http://git-wip-us.apache.org/repos/asf/hbase-site/blob/99c53df1/devapidocs/src-html/org/apache/hadoop/hbase/snapshot/SnapshotManifest.html ---------------------------------------------------------------------- diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/snapshot/SnapshotManifest.html b/devapidocs/src-html/org/apache/hadoop/hbase/snapshot/SnapshotManifest.html index 3255174..bfaacbc 100644 --- a/devapidocs/src-html/org/apache/hadoop/hbase/snapshot/SnapshotManifest.html +++ b/devapidocs/src-html/org/apache/hadoop/hbase/snapshot/SnapshotManifest.html @@ -55,516 +55,538 @@ <span class="sourceLineNo">047</span>import org.apache.hadoop.hbase.regionserver.Store;<a name="line.47"></a> <span class="sourceLineNo">048</span>import org.apache.hadoop.hbase.regionserver.StoreFile;<a name="line.48"></a> <span class="sourceLineNo">049</span>import org.apache.hadoop.hbase.regionserver.StoreFileInfo;<a name="line.49"></a> -<span class="sourceLineNo">050</span>import org.apache.hadoop.hbase.shaded.com.google.protobuf.CodedInputStream;<a name="line.50"></a> -<span class="sourceLineNo">051</span>import org.apache.hadoop.hbase.shaded.com.google.protobuf.InvalidProtocolBufferException;<a name="line.51"></a> -<span class="sourceLineNo">052</span>import org.apache.hadoop.hbase.shaded.protobuf.ProtobufUtil;<a name="line.52"></a> -<span class="sourceLineNo">053</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.SnapshotProtos.SnapshotDataManifest;<a name="line.53"></a> -<span class="sourceLineNo">054</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.SnapshotProtos.SnapshotDescription;<a name="line.54"></a> -<span class="sourceLineNo">055</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.SnapshotProtos.SnapshotRegionManifest;<a name="line.55"></a> -<span class="sourceLineNo">056</span>import org.apache.hadoop.hbase.util.Bytes;<a name="line.56"></a> -<span class="sourceLineNo">057</span>import org.apache.hadoop.hbase.util.FSTableDescriptors;<a name="line.57"></a> -<span class="sourceLineNo">058</span>import org.apache.hadoop.hbase.util.FSUtils;<a name="line.58"></a> -<span class="sourceLineNo">059</span>import org.apache.hadoop.hbase.util.Threads;<a name="line.59"></a> -<span class="sourceLineNo">060</span><a name="line.60"></a> -<span class="sourceLineNo">061</span>/**<a name="line.61"></a> -<span class="sourceLineNo">062</span> * Utility class to help read/write the Snapshot Manifest.<a name="line.62"></a> -<span class="sourceLineNo">063</span> *<a name="line.63"></a> -<span class="sourceLineNo">064</span> * The snapshot format is transparent for the users of this class,<a name="line.64"></a> -<span class="sourceLineNo">065</span> * once the snapshot is written, it will never be modified.<a name="line.65"></a> -<span class="sourceLineNo">066</span> * On open() the snapshot will be loaded to the current in-memory format.<a name="line.66"></a> -<span class="sourceLineNo">067</span> */<a name="line.67"></a> -<span class="sourceLineNo">068</span>@InterfaceAudience.Private<a name="line.68"></a> -<span class="sourceLineNo">069</span>public final class SnapshotManifest {<a name="line.69"></a> -<span class="sourceLineNo">070</span> private static final Log LOG = LogFactory.getLog(SnapshotManifest.class);<a name="line.70"></a> -<span class="sourceLineNo">071</span><a name="line.71"></a> -<span class="sourceLineNo">072</span> public static final String SNAPSHOT_MANIFEST_SIZE_LIMIT_CONF_KEY = "snapshot.manifest.size.limit";<a name="line.72"></a> -<span class="sourceLineNo">073</span><a name="line.73"></a> -<span class="sourceLineNo">074</span> public static final String DATA_MANIFEST_NAME = "data.manifest";<a name="line.74"></a> -<span class="sourceLineNo">075</span><a name="line.75"></a> -<span class="sourceLineNo">076</span> private List<SnapshotRegionManifest> regionManifests;<a name="line.76"></a> -<span class="sourceLineNo">077</span> private SnapshotDescription desc;<a name="line.77"></a> -<span class="sourceLineNo">078</span> private HTableDescriptor htd;<a name="line.78"></a> -<span class="sourceLineNo">079</span><a name="line.79"></a> -<span class="sourceLineNo">080</span> private final ForeignExceptionSnare monitor;<a name="line.80"></a> -<span class="sourceLineNo">081</span> private final Configuration conf;<a name="line.81"></a> -<span class="sourceLineNo">082</span> private final Path workingDir;<a name="line.82"></a> -<span class="sourceLineNo">083</span> private final FileSystem fs;<a name="line.83"></a> -<span class="sourceLineNo">084</span> private int manifestSizeLimit;<a name="line.84"></a> -<span class="sourceLineNo">085</span><a name="line.85"></a> -<span class="sourceLineNo">086</span> private SnapshotManifest(final Configuration conf, final FileSystem fs,<a name="line.86"></a> -<span class="sourceLineNo">087</span> final Path workingDir, final SnapshotDescription desc,<a name="line.87"></a> -<span class="sourceLineNo">088</span> final ForeignExceptionSnare monitor) {<a name="line.88"></a> -<span class="sourceLineNo">089</span> this.monitor = monitor;<a name="line.89"></a> -<span class="sourceLineNo">090</span> this.desc = desc;<a name="line.90"></a> -<span class="sourceLineNo">091</span> this.workingDir = workingDir;<a name="line.91"></a> -<span class="sourceLineNo">092</span> this.conf = conf;<a name="line.92"></a> -<span class="sourceLineNo">093</span> this.fs = fs;<a name="line.93"></a> -<span class="sourceLineNo">094</span><a name="line.94"></a> -<span class="sourceLineNo">095</span> this.manifestSizeLimit = conf.getInt(SNAPSHOT_MANIFEST_SIZE_LIMIT_CONF_KEY, 64 * 1024 * 1024);<a name="line.95"></a> -<span class="sourceLineNo">096</span> }<a name="line.96"></a> -<span class="sourceLineNo">097</span><a name="line.97"></a> -<span class="sourceLineNo">098</span> /**<a name="line.98"></a> -<span class="sourceLineNo">099</span> * Return a SnapshotManifest instance, used for writing a snapshot.<a name="line.99"></a> -<span class="sourceLineNo">100</span> *<a name="line.100"></a> -<span class="sourceLineNo">101</span> * There are two usage pattern:<a name="line.101"></a> -<span class="sourceLineNo">102</span> * - The Master will create a manifest, add the descriptor, offline regions<a name="line.102"></a> -<span class="sourceLineNo">103</span> * and consolidate the snapshot by writing all the pending stuff on-disk.<a name="line.103"></a> -<span class="sourceLineNo">104</span> * manifest = SnapshotManifest.create(...)<a name="line.104"></a> -<span class="sourceLineNo">105</span> * manifest.addRegion(tableDir, hri)<a name="line.105"></a> -<span class="sourceLineNo">106</span> * manifest.consolidate()<a name="line.106"></a> -<span class="sourceLineNo">107</span> * - The RegionServer will create a single region manifest<a name="line.107"></a> -<span class="sourceLineNo">108</span> * manifest = SnapshotManifest.create(...)<a name="line.108"></a> -<span class="sourceLineNo">109</span> * manifest.addRegion(region)<a name="line.109"></a> -<span class="sourceLineNo">110</span> */<a name="line.110"></a> -<span class="sourceLineNo">111</span> public static SnapshotManifest create(final Configuration conf, final FileSystem fs,<a name="line.111"></a> -<span class="sourceLineNo">112</span> final Path workingDir, final SnapshotDescription desc,<a name="line.112"></a> -<span class="sourceLineNo">113</span> final ForeignExceptionSnare monitor) {<a name="line.113"></a> -<span class="sourceLineNo">114</span> return new SnapshotManifest(conf, fs, workingDir, desc, monitor);<a name="line.114"></a> -<span class="sourceLineNo">115</span> }<a name="line.115"></a> +<span class="sourceLineNo">050</span>import org.apache.hadoop.hbase.shaded.com.google.common.annotations.VisibleForTesting;<a name="line.50"></a> +<span class="sourceLineNo">051</span>import org.apache.hadoop.hbase.shaded.com.google.protobuf.CodedInputStream;<a name="line.51"></a> +<span class="sourceLineNo">052</span>import org.apache.hadoop.hbase.shaded.com.google.protobuf.InvalidProtocolBufferException;<a name="line.52"></a> +<span class="sourceLineNo">053</span>import org.apache.hadoop.hbase.shaded.protobuf.ProtobufUtil;<a name="line.53"></a> +<span class="sourceLineNo">054</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.SnapshotProtos.SnapshotDataManifest;<a name="line.54"></a> +<span class="sourceLineNo">055</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.SnapshotProtos.SnapshotDescription;<a name="line.55"></a> +<span class="sourceLineNo">056</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.SnapshotProtos.SnapshotRegionManifest;<a name="line.56"></a> +<span class="sourceLineNo">057</span>import org.apache.hadoop.hbase.util.Bytes;<a name="line.57"></a> +<span class="sourceLineNo">058</span>import org.apache.hadoop.hbase.util.FSTableDescriptors;<a name="line.58"></a> +<span class="sourceLineNo">059</span>import org.apache.hadoop.hbase.util.FSUtils;<a name="line.59"></a> +<span class="sourceLineNo">060</span>import org.apache.hadoop.hbase.util.Threads;<a name="line.60"></a> +<span class="sourceLineNo">061</span><a name="line.61"></a> +<span class="sourceLineNo">062</span>/**<a name="line.62"></a> +<span class="sourceLineNo">063</span> * Utility class to help read/write the Snapshot Manifest.<a name="line.63"></a> +<span class="sourceLineNo">064</span> *<a name="line.64"></a> +<span class="sourceLineNo">065</span> * The snapshot format is transparent for the users of this class,<a name="line.65"></a> +<span class="sourceLineNo">066</span> * once the snapshot is written, it will never be modified.<a name="line.66"></a> +<span class="sourceLineNo">067</span> * On open() the snapshot will be loaded to the current in-memory format.<a name="line.67"></a> +<span class="sourceLineNo">068</span> */<a name="line.68"></a> +<span class="sourceLineNo">069</span>@InterfaceAudience.Private<a name="line.69"></a> +<span class="sourceLineNo">070</span>public final class SnapshotManifest {<a name="line.70"></a> +<span class="sourceLineNo">071</span> private static final Log LOG = LogFactory.getLog(SnapshotManifest.class);<a name="line.71"></a> +<span class="sourceLineNo">072</span><a name="line.72"></a> +<span class="sourceLineNo">073</span> public static final String SNAPSHOT_MANIFEST_SIZE_LIMIT_CONF_KEY = "snapshot.manifest.size.limit";<a name="line.73"></a> +<span class="sourceLineNo">074</span><a name="line.74"></a> +<span class="sourceLineNo">075</span> public static final String DATA_MANIFEST_NAME = "data.manifest";<a name="line.75"></a> +<span class="sourceLineNo">076</span><a name="line.76"></a> +<span class="sourceLineNo">077</span> private List<SnapshotRegionManifest> regionManifests;<a name="line.77"></a> +<span class="sourceLineNo">078</span> private SnapshotDescription desc;<a name="line.78"></a> +<span class="sourceLineNo">079</span> private HTableDescriptor htd;<a name="line.79"></a> +<span class="sourceLineNo">080</span><a name="line.80"></a> +<span class="sourceLineNo">081</span> private final ForeignExceptionSnare monitor;<a name="line.81"></a> +<span class="sourceLineNo">082</span> private final Configuration conf;<a name="line.82"></a> +<span class="sourceLineNo">083</span> private final Path workingDir;<a name="line.83"></a> +<span class="sourceLineNo">084</span> private final FileSystem fs;<a name="line.84"></a> +<span class="sourceLineNo">085</span> private int manifestSizeLimit;<a name="line.85"></a> +<span class="sourceLineNo">086</span><a name="line.86"></a> +<span class="sourceLineNo">087</span> private SnapshotManifest(final Configuration conf, final FileSystem fs,<a name="line.87"></a> +<span class="sourceLineNo">088</span> final Path workingDir, final SnapshotDescription desc,<a name="line.88"></a> +<span class="sourceLineNo">089</span> final ForeignExceptionSnare monitor) {<a name="line.89"></a> +<span class="sourceLineNo">090</span> this.monitor = monitor;<a name="line.90"></a> +<span class="sourceLineNo">091</span> this.desc = desc;<a name="line.91"></a> +<span class="sourceLineNo">092</span> this.workingDir = workingDir;<a name="line.92"></a> +<span class="sourceLineNo">093</span> this.conf = conf;<a name="line.93"></a> +<span class="sourceLineNo">094</span> this.fs = fs;<a name="line.94"></a> +<span class="sourceLineNo">095</span><a name="line.95"></a> +<span class="sourceLineNo">096</span> this.manifestSizeLimit = conf.getInt(SNAPSHOT_MANIFEST_SIZE_LIMIT_CONF_KEY, 64 * 1024 * 1024);<a name="line.96"></a> +<span class="sourceLineNo">097</span> }<a name="line.97"></a> +<span class="sourceLineNo">098</span><a name="line.98"></a> +<span class="sourceLineNo">099</span> /**<a name="line.99"></a> +<span class="sourceLineNo">100</span> * Return a SnapshotManifest instance, used for writing a snapshot.<a name="line.100"></a> +<span class="sourceLineNo">101</span> *<a name="line.101"></a> +<span class="sourceLineNo">102</span> * There are two usage pattern:<a name="line.102"></a> +<span class="sourceLineNo">103</span> * - The Master will create a manifest, add the descriptor, offline regions<a name="line.103"></a> +<span class="sourceLineNo">104</span> * and consolidate the snapshot by writing all the pending stuff on-disk.<a name="line.104"></a> +<span class="sourceLineNo">105</span> * manifest = SnapshotManifest.create(...)<a name="line.105"></a> +<span class="sourceLineNo">106</span> * manifest.addRegion(tableDir, hri)<a name="line.106"></a> +<span class="sourceLineNo">107</span> * manifest.consolidate()<a name="line.107"></a> +<span class="sourceLineNo">108</span> * - The RegionServer will create a single region manifest<a name="line.108"></a> +<span class="sourceLineNo">109</span> * manifest = SnapshotManifest.create(...)<a name="line.109"></a> +<span class="sourceLineNo">110</span> * manifest.addRegion(region)<a name="line.110"></a> +<span class="sourceLineNo">111</span> */<a name="line.111"></a> +<span class="sourceLineNo">112</span> public static SnapshotManifest create(final Configuration conf, final FileSystem fs,<a name="line.112"></a> +<span class="sourceLineNo">113</span> final Path workingDir, final SnapshotDescription desc,<a name="line.113"></a> +<span class="sourceLineNo">114</span> final ForeignExceptionSnare monitor) {<a name="line.114"></a> +<span class="sourceLineNo">115</span> return new SnapshotManifest(conf, fs, workingDir, desc, monitor);<a name="line.115"></a> <span class="sourceLineNo">116</span><a name="line.116"></a> -<span class="sourceLineNo">117</span> /**<a name="line.117"></a> -<span class="sourceLineNo">118</span> * Return a SnapshotManifest instance with the information already loaded in-memory.<a name="line.118"></a> -<span class="sourceLineNo">119</span> * SnapshotManifest manifest = SnapshotManifest.open(...)<a name="line.119"></a> -<span class="sourceLineNo">120</span> * HTableDescriptor htd = manifest.getTableDescriptor()<a name="line.120"></a> -<span class="sourceLineNo">121</span> * for (SnapshotRegionManifest regionManifest: manifest.getRegionManifests())<a name="line.121"></a> -<span class="sourceLineNo">122</span> * hri = regionManifest.getRegionInfo()<a name="line.122"></a> -<span class="sourceLineNo">123</span> * for (regionManifest.getFamilyFiles())<a name="line.123"></a> -<span class="sourceLineNo">124</span> * ...<a name="line.124"></a> -<span class="sourceLineNo">125</span> */<a name="line.125"></a> -<span class="sourceLineNo">126</span> public static SnapshotManifest open(final Configuration conf, final FileSystem fs,<a name="line.126"></a> -<span class="sourceLineNo">127</span> final Path workingDir, final SnapshotDescription desc) throws IOException {<a name="line.127"></a> -<span class="sourceLineNo">128</span> SnapshotManifest manifest = new SnapshotManifest(conf, fs, workingDir, desc, null);<a name="line.128"></a> -<span class="sourceLineNo">129</span> manifest.load();<a name="line.129"></a> -<span class="sourceLineNo">130</span> return manifest;<a name="line.130"></a> -<span class="sourceLineNo">131</span> }<a name="line.131"></a> -<span class="sourceLineNo">132</span><a name="line.132"></a> -<span class="sourceLineNo">133</span><a name="line.133"></a> -<span class="sourceLineNo">134</span> /**<a name="line.134"></a> -<span class="sourceLineNo">135</span> * Add the table descriptor to the snapshot manifest<a name="line.135"></a> -<span class="sourceLineNo">136</span> */<a name="line.136"></a> -<span class="sourceLineNo">137</span> public void addTableDescriptor(final HTableDescriptor htd) throws IOException {<a name="line.137"></a> -<span class="sourceLineNo">138</span> this.htd = htd;<a name="line.138"></a> -<span class="sourceLineNo">139</span> }<a name="line.139"></a> -<span class="sourceLineNo">140</span><a name="line.140"></a> -<span class="sourceLineNo">141</span> interface RegionVisitor<TRegion, TFamily> {<a name="line.141"></a> -<span class="sourceLineNo">142</span> TRegion regionOpen(final HRegionInfo regionInfo) throws IOException;<a name="line.142"></a> -<span class="sourceLineNo">143</span> void regionClose(final TRegion region) throws IOException;<a name="line.143"></a> -<span class="sourceLineNo">144</span><a name="line.144"></a> -<span class="sourceLineNo">145</span> TFamily familyOpen(final TRegion region, final byte[] familyName) throws IOException;<a name="line.145"></a> -<span class="sourceLineNo">146</span> void familyClose(final TRegion region, final TFamily family) throws IOException;<a name="line.146"></a> -<span class="sourceLineNo">147</span><a name="line.147"></a> -<span class="sourceLineNo">148</span> void storeFile(final TRegion region, final TFamily family, final StoreFileInfo storeFile)<a name="line.148"></a> -<span class="sourceLineNo">149</span> throws IOException;<a name="line.149"></a> -<span class="sourceLineNo">150</span> }<a name="line.150"></a> -<span class="sourceLineNo">151</span><a name="line.151"></a> -<span class="sourceLineNo">152</span> private RegionVisitor createRegionVisitor(final SnapshotDescription desc) throws IOException {<a name="line.152"></a> -<span class="sourceLineNo">153</span> switch (getSnapshotFormat(desc)) {<a name="line.153"></a> -<span class="sourceLineNo">154</span> case SnapshotManifestV1.DESCRIPTOR_VERSION:<a name="line.154"></a> -<span class="sourceLineNo">155</span> return new SnapshotManifestV1.ManifestBuilder(conf, fs, workingDir);<a name="line.155"></a> -<span class="sourceLineNo">156</span> case SnapshotManifestV2.DESCRIPTOR_VERSION:<a name="line.156"></a> -<span class="sourceLineNo">157</span> return new SnapshotManifestV2.ManifestBuilder(conf, fs, workingDir);<a name="line.157"></a> -<span class="sourceLineNo">158</span> default:<a name="line.158"></a> -<span class="sourceLineNo">159</span> throw new CorruptedSnapshotException("Invalid Snapshot version: " + desc.getVersion(),<a name="line.159"></a> -<span class="sourceLineNo">160</span> ProtobufUtil.createSnapshotDesc(desc));<a name="line.160"></a> -<span class="sourceLineNo">161</span> }<a name="line.161"></a> -<span class="sourceLineNo">162</span> }<a name="line.162"></a> -<span class="sourceLineNo">163</span><a name="line.163"></a> -<span class="sourceLineNo">164</span> public void addMobRegion(HRegionInfo regionInfo) throws IOException {<a name="line.164"></a> -<span class="sourceLineNo">165</span> // 0. Get the ManifestBuilder/RegionVisitor<a name="line.165"></a> -<span class="sourceLineNo">166</span> RegionVisitor visitor = createRegionVisitor(desc);<a name="line.166"></a> -<span class="sourceLineNo">167</span><a name="line.167"></a> -<span class="sourceLineNo">168</span> // 1. dump region meta info into the snapshot directory<a name="line.168"></a> -<span class="sourceLineNo">169</span> LOG.debug("Storing mob region '" + regionInfo + "' region-info for snapshot.");<a name="line.169"></a> -<span class="sourceLineNo">170</span> Object regionData = visitor.regionOpen(regionInfo);<a name="line.170"></a> -<span class="sourceLineNo">171</span> monitor.rethrowException();<a name="line.171"></a> -<span class="sourceLineNo">172</span><a name="line.172"></a> -<span class="sourceLineNo">173</span> // 2. iterate through all the stores in the region<a name="line.173"></a> -<span class="sourceLineNo">174</span> LOG.debug("Creating references for mob files");<a name="line.174"></a> -<span class="sourceLineNo">175</span><a name="line.175"></a> -<span class="sourceLineNo">176</span> Path mobRegionPath = MobUtils.getMobRegionPath(conf, regionInfo.getTable());<a name="line.176"></a> -<span class="sourceLineNo">177</span> for (HColumnDescriptor hcd : htd.getColumnFamilies()) {<a name="line.177"></a> -<span class="sourceLineNo">178</span> // 2.1. build the snapshot reference for the store if it's a mob store<a name="line.178"></a> -<span class="sourceLineNo">179</span> if (!hcd.isMobEnabled()) {<a name="line.179"></a> -<span class="sourceLineNo">180</span> continue;<a name="line.180"></a> -<span class="sourceLineNo">181</span> }<a name="line.181"></a> -<span class="sourceLineNo">182</span> Object familyData = visitor.familyOpen(regionData, hcd.getName());<a name="line.182"></a> -<span class="sourceLineNo">183</span> monitor.rethrowException();<a name="line.183"></a> -<span class="sourceLineNo">184</span><a name="line.184"></a> -<span class="sourceLineNo">185</span> Path storePath = MobUtils.getMobFamilyPath(mobRegionPath, hcd.getNameAsString());<a name="line.185"></a> -<span class="sourceLineNo">186</span> List<StoreFileInfo> storeFiles = getStoreFiles(storePath);<a name="line.186"></a> -<span class="sourceLineNo">187</span> if (storeFiles == null) {<a name="line.187"></a> -<span class="sourceLineNo">188</span> if (LOG.isDebugEnabled()) {<a name="line.188"></a> -<span class="sourceLineNo">189</span> LOG.debug("No mob files under family: " + hcd.getNameAsString());<a name="line.189"></a> -<span class="sourceLineNo">190</span> }<a name="line.190"></a> -<span class="sourceLineNo">191</span> continue;<a name="line.191"></a> -<span class="sourceLineNo">192</span> }<a name="line.192"></a> -<span class="sourceLineNo">193</span><a name="line.193"></a> -<span class="sourceLineNo">194</span> addReferenceFiles(visitor, regionData, familyData, storeFiles, true);<a name="line.194"></a> -<span class="sourceLineNo">195</span><a name="line.195"></a> -<span class="sourceLineNo">196</span> visitor.familyClose(regionData, familyData);<a name="line.196"></a> -<span class="sourceLineNo">197</span> }<a name="line.197"></a> -<span class="sourceLineNo">198</span> visitor.regionClose(regionData);<a name="line.198"></a> -<span class="sourceLineNo">199</span> }<a name="line.199"></a> -<span class="sourceLineNo">200</span><a name="line.200"></a> -<span class="sourceLineNo">201</span> /**<a name="line.201"></a> -<span class="sourceLineNo">202</span> * Creates a 'manifest' for the specified region, by reading directly from the HRegion object.<a name="line.202"></a> -<span class="sourceLineNo">203</span> * This is used by the "online snapshot" when the table is enabled.<a name="line.203"></a> -<span class="sourceLineNo">204</span> */<a name="line.204"></a> -<span class="sourceLineNo">205</span> public void addRegion(final HRegion region) throws IOException {<a name="line.205"></a> -<span class="sourceLineNo">206</span> // 0. Get the ManifestBuilder/RegionVisitor<a name="line.206"></a> -<span class="sourceLineNo">207</span> RegionVisitor visitor = createRegionVisitor(desc);<a name="line.207"></a> +<span class="sourceLineNo">117</span> }<a name="line.117"></a> +<span class="sourceLineNo">118</span><a name="line.118"></a> +<span class="sourceLineNo">119</span> /**<a name="line.119"></a> +<span class="sourceLineNo">120</span> * Return a SnapshotManifest instance with the information already loaded in-memory.<a name="line.120"></a> +<span class="sourceLineNo">121</span> * SnapshotManifest manifest = SnapshotManifest.open(...)<a name="line.121"></a> +<span class="sourceLineNo">122</span> * HTableDescriptor htd = manifest.getTableDescriptor()<a name="line.122"></a> +<span class="sourceLineNo">123</span> * for (SnapshotRegionManifest regionManifest: manifest.getRegionManifests())<a name="line.123"></a> +<span class="sourceLineNo">124</span> * hri = regionManifest.getRegionInfo()<a name="line.124"></a> +<span class="sourceLineNo">125</span> * for (regionManifest.getFamilyFiles())<a name="line.125"></a> +<span class="sourceLineNo">126</span> * ...<a name="line.126"></a> +<span class="sourceLineNo">127</span> */<a name="line.127"></a> +<span class="sourceLineNo">128</span> public static SnapshotManifest open(final Configuration conf, final FileSystem fs,<a name="line.128"></a> +<span class="sourceLineNo">129</span> final Path workingDir, final SnapshotDescription desc) throws IOException {<a name="line.129"></a> +<span class="sourceLineNo">130</span> SnapshotManifest manifest = new SnapshotManifest(conf, fs, workingDir, desc, null);<a name="line.130"></a> +<span class="sourceLineNo">131</span> manifest.load();<a name="line.131"></a> +<span class="sourceLineNo">132</span> return manifest;<a name="line.132"></a> +<span class="sourceLineNo">133</span> }<a name="line.133"></a> +<span class="sourceLineNo">134</span><a name="line.134"></a> +<span class="sourceLineNo">135</span><a name="line.135"></a> +<span class="sourceLineNo">136</span> /**<a name="line.136"></a> +<span class="sourceLineNo">137</span> * Add the table descriptor to the snapshot manifest<a name="line.137"></a> +<span class="sourceLineNo">138</span> */<a name="line.138"></a> +<span class="sourceLineNo">139</span> public void addTableDescriptor(final HTableDescriptor htd) throws IOException {<a name="line.139"></a> +<span class="sourceLineNo">140</span> this.htd = htd;<a name="line.140"></a> +<span class="sourceLineNo">141</span> }<a name="line.141"></a> +<span class="sourceLineNo">142</span><a name="line.142"></a> +<span class="sourceLineNo">143</span> interface RegionVisitor<TRegion, TFamily> {<a name="line.143"></a> +<span class="sourceLineNo">144</span> TRegion regionOpen(final HRegionInfo regionInfo) throws IOException;<a name="line.144"></a> +<span class="sourceLineNo">145</span> void regionClose(final TRegion region) throws IOException;<a name="line.145"></a> +<span class="sourceLineNo">146</span><a name="line.146"></a> +<span class="sourceLineNo">147</span> TFamily familyOpen(final TRegion region, final byte[] familyName) throws IOException;<a name="line.147"></a> +<span class="sourceLineNo">148</span> void familyClose(final TRegion region, final TFamily family) throws IOException;<a name="line.148"></a> +<span class="sourceLineNo">149</span><a name="line.149"></a> +<span class="sourceLineNo">150</span> void storeFile(final TRegion region, final TFamily family, final StoreFileInfo storeFile)<a name="line.150"></a> +<span class="sourceLineNo">151</span> throws IOException;<a name="line.151"></a> +<span class="sourceLineNo">152</span> }<a name="line.152"></a> +<span class="sourceLineNo">153</span><a name="line.153"></a> +<span class="sourceLineNo">154</span> private RegionVisitor createRegionVisitor(final SnapshotDescription desc) throws IOException {<a name="line.154"></a> +<span class="sourceLineNo">155</span> switch (getSnapshotFormat(desc)) {<a name="line.155"></a> +<span class="sourceLineNo">156</span> case SnapshotManifestV1.DESCRIPTOR_VERSION:<a name="line.156"></a> +<span class="sourceLineNo">157</span> return new SnapshotManifestV1.ManifestBuilder(conf, fs, workingDir);<a name="line.157"></a> +<span class="sourceLineNo">158</span> case SnapshotManifestV2.DESCRIPTOR_VERSION:<a name="line.158"></a> +<span class="sourceLineNo">159</span> return new SnapshotManifestV2.ManifestBuilder(conf, fs, workingDir);<a name="line.159"></a> +<span class="sourceLineNo">160</span> default:<a name="line.160"></a> +<span class="sourceLineNo">161</span> throw new CorruptedSnapshotException("Invalid Snapshot version: " + desc.getVersion(),<a name="line.161"></a> +<span class="sourceLineNo">162</span> ProtobufUtil.createSnapshotDesc(desc));<a name="line.162"></a> +<span class="sourceLineNo">163</span> }<a name="line.163"></a> +<span class="sourceLineNo">164</span> }<a name="line.164"></a> +<span class="sourceLineNo">165</span><a name="line.165"></a> +<span class="sourceLineNo">166</span> public void addMobRegion(HRegionInfo regionInfo) throws IOException {<a name="line.166"></a> +<span class="sourceLineNo">167</span> // Get the ManifestBuilder/RegionVisitor<a name="line.167"></a> +<span class="sourceLineNo">168</span> RegionVisitor visitor = createRegionVisitor(desc);<a name="line.168"></a> +<span class="sourceLineNo">169</span><a name="line.169"></a> +<span class="sourceLineNo">170</span> // Visit the region and add it to the manifest<a name="line.170"></a> +<span class="sourceLineNo">171</span> addMobRegion(regionInfo, visitor);<a name="line.171"></a> +<span class="sourceLineNo">172</span> }<a name="line.172"></a> +<span class="sourceLineNo">173</span><a name="line.173"></a> +<span class="sourceLineNo">174</span> @VisibleForTesting<a name="line.174"></a> +<span class="sourceLineNo">175</span> protected void addMobRegion(HRegionInfo regionInfo, RegionVisitor visitor) throws IOException {<a name="line.175"></a> +<span class="sourceLineNo">176</span> // 1. dump region meta info into the snapshot directory<a name="line.176"></a> +<span class="sourceLineNo">177</span> LOG.debug("Storing mob region '" + regionInfo + "' region-info for snapshot.");<a name="line.177"></a> +<span class="sourceLineNo">178</span> Object regionData = visitor.regionOpen(regionInfo);<a name="line.178"></a> +<span class="sourceLineNo">179</span> monitor.rethrowException();<a name="line.179"></a> +<span class="sourceLineNo">180</span><a name="line.180"></a> +<span class="sourceLineNo">181</span> // 2. iterate through all the stores in the region<a name="line.181"></a> +<span class="sourceLineNo">182</span> LOG.debug("Creating references for mob files");<a name="line.182"></a> +<span class="sourceLineNo">183</span><a name="line.183"></a> +<span class="sourceLineNo">184</span> Path mobRegionPath = MobUtils.getMobRegionPath(conf, regionInfo.getTable());<a name="line.184"></a> +<span class="sourceLineNo">185</span> for (HColumnDescriptor hcd : htd.getColumnFamilies()) {<a name="line.185"></a> +<span class="sourceLineNo">186</span> // 2.1. build the snapshot reference for the store if it's a mob store<a name="line.186"></a> +<span class="sourceLineNo">187</span> if (!hcd.isMobEnabled()) {<a name="line.187"></a> +<span class="sourceLineNo">188</span> continue;<a name="line.188"></a> +<span class="sourceLineNo">189</span> }<a name="line.189"></a> +<span class="sourceLineNo">190</span> Object familyData = visitor.familyOpen(regionData, hcd.getName());<a name="line.190"></a> +<span class="sourceLineNo">191</span> monitor.rethrowException();<a name="line.191"></a> +<span class="sourceLineNo">192</span><a name="line.192"></a> +<span class="sourceLineNo">193</span> Path storePath = MobUtils.getMobFamilyPath(mobRegionPath, hcd.getNameAsString());<a name="line.193"></a> +<span class="sourceLineNo">194</span> List<StoreFileInfo> storeFiles = getStoreFiles(storePath);<a name="line.194"></a> +<span class="sourceLineNo">195</span> if (storeFiles == null) {<a name="line.195"></a> +<span class="sourceLineNo">196</span> if (LOG.isDebugEnabled()) {<a name="line.196"></a> +<span class="sourceLineNo">197</span> LOG.debug("No mob files under family: " + hcd.getNameAsString());<a name="line.197"></a> +<span class="sourceLineNo">198</span> }<a name="line.198"></a> +<span class="sourceLineNo">199</span> continue;<a name="line.199"></a> +<span class="sourceLineNo">200</span> }<a name="line.200"></a> +<span class="sourceLineNo">201</span><a name="line.201"></a> +<span class="sourceLineNo">202</span> addReferenceFiles(visitor, regionData, familyData, storeFiles, true);<a name="line.202"></a> +<span class="sourceLineNo">203</span><a name="line.203"></a> +<span class="sourceLineNo">204</span> visitor.familyClose(regionData, familyData);<a name="line.204"></a> +<span class="sourceLineNo">205</span> }<a name="line.205"></a> +<span class="sourceLineNo">206</span> visitor.regionClose(regionData);<a name="line.206"></a> +<span class="sourceLineNo">207</span> }<a name="line.207"></a> <span class="sourceLineNo">208</span><a name="line.208"></a> -<span class="sourceLineNo">209</span> // 1. dump region meta info into the snapshot directory<a name="line.209"></a> -<span class="sourceLineNo">210</span> LOG.debug("Storing '" + region + "' region-info for snapshot.");<a name="line.210"></a> -<span class="sourceLineNo">211</span> Object regionData = visitor.regionOpen(region.getRegionInfo());<a name="line.211"></a> -<span class="sourceLineNo">212</span> monitor.rethrowException();<a name="line.212"></a> -<span class="sourceLineNo">213</span><a name="line.213"></a> -<span class="sourceLineNo">214</span> // 2. iterate through all the stores in the region<a name="line.214"></a> -<span class="sourceLineNo">215</span> LOG.debug("Creating references for hfiles");<a name="line.215"></a> +<span class="sourceLineNo">209</span> /**<a name="line.209"></a> +<span class="sourceLineNo">210</span> * Creates a 'manifest' for the specified region, by reading directly from the HRegion object.<a name="line.210"></a> +<span class="sourceLineNo">211</span> * This is used by the "online snapshot" when the table is enabled.<a name="line.211"></a> +<span class="sourceLineNo">212</span> */<a name="line.212"></a> +<span class="sourceLineNo">213</span> public void addRegion(final HRegion region) throws IOException {<a name="line.213"></a> +<span class="sourceLineNo">214</span> // Get the ManifestBuilder/RegionVisitor<a name="line.214"></a> +<span class="sourceLineNo">215</span> RegionVisitor visitor = createRegionVisitor(desc);<a name="line.215"></a> <span class="sourceLineNo">216</span><a name="line.216"></a> -<span class="sourceLineNo">217</span> for (Store store : region.getStores()) {<a name="line.217"></a> -<span class="sourceLineNo">218</span> // 2.1. build the snapshot reference for the store<a name="line.218"></a> -<span class="sourceLineNo">219</span> Object familyData = visitor.familyOpen(regionData, store.getColumnFamilyDescriptor().getName());<a name="line.219"></a> -<span class="sourceLineNo">220</span> monitor.rethrowException();<a name="line.220"></a> -<span class="sourceLineNo">221</span><a name="line.221"></a> -<span class="sourceLineNo">222</span> List<StoreFile> storeFiles = new ArrayList<>(store.getStorefiles());<a name="line.222"></a> -<span class="sourceLineNo">223</span> if (LOG.isDebugEnabled()) {<a name="line.223"></a> -<span class="sourceLineNo">224</span> LOG.debug("Adding snapshot references for " + storeFiles + " hfiles");<a name="line.224"></a> -<span class="sourceLineNo">225</span> }<a name="line.225"></a> -<span class="sourceLineNo">226</span><a name="line.226"></a> -<span class="sourceLineNo">227</span> // 2.2. iterate through all the store's files and create "references".<a name="line.227"></a> -<span class="sourceLineNo">228</span> for (int i = 0, sz = storeFiles.size(); i < sz; i++) {<a name="line.228"></a> -<span class="sourceLineNo">229</span> StoreFile storeFile = storeFiles.get(i);<a name="line.229"></a> -<span class="sourceLineNo">230</span> monitor.rethrowException();<a name="line.230"></a> -<span class="sourceLineNo">231</span><a name="line.231"></a> -<span class="sourceLineNo">232</span> // create "reference" to this store file.<a name="line.232"></a> -<span class="sourceLineNo">233</span> LOG.debug("Adding reference for file (" + (i+1) + "/" + sz + "): " + storeFile.getPath());<a name="line.233"></a> -<span class="sourceLineNo">234</span> visitor.storeFile(regionData, familyData, storeFile.getFileInfo());<a name="line.234"></a> -<span class="sourceLineNo">235</span> }<a name="line.235"></a> -<span class="sourceLineNo">236</span> visitor.familyClose(regionData, familyData);<a name="line.236"></a> -<span class="sourceLineNo">237</span> }<a name="line.237"></a> -<span class="sourceLineNo">238</span> visitor.regionClose(regionData);<a name="line.238"></a> -<span class="sourceLineNo">239</span> }<a name="line.239"></a> -<span class="sourceLineNo">240</span><a name="line.240"></a> -<span class="sourceLineNo">241</span> /**<a name="line.241"></a> -<span class="sourceLineNo">242</span> * Creates a 'manifest' for the specified region, by reading directly from the disk.<a name="line.242"></a> -<span class="sourceLineNo">243</span> * This is used by the "offline snapshot" when the table is disabled.<a name="line.243"></a> -<span class="sourceLineNo">244</span> */<a name="line.244"></a> -<span class="sourceLineNo">245</span> public void addRegion(final Path tableDir, final HRegionInfo regionInfo) throws IOException {<a name="line.245"></a> -<span class="sourceLineNo">246</span> // 0. Get the ManifestBuilder/RegionVisitor<a name="line.246"></a> -<span class="sourceLineNo">247</span> RegionVisitor visitor = createRegionVisitor(desc);<a name="line.247"></a> -<span class="sourceLineNo">248</span><a name="line.248"></a> -<span class="sourceLineNo">249</span> boolean isMobRegion = MobUtils.isMobRegionInfo(regionInfo);<a name="line.249"></a> -<span class="sourceLineNo">250</span> try {<a name="line.250"></a> -<span class="sourceLineNo">251</span> Path baseDir = tableDir;<a name="line.251"></a> -<span class="sourceLineNo">252</span> // Open the RegionFS<a name="line.252"></a> -<span class="sourceLineNo">253</span> if (isMobRegion) {<a name="line.253"></a> -<span class="sourceLineNo">254</span> baseDir = FSUtils.getTableDir(MobUtils.getMobHome(conf), regionInfo.getTable());<a name="line.254"></a> -<span class="sourceLineNo">255</span> }<a name="line.255"></a> -<span class="sourceLineNo">256</span> HRegionFileSystem regionFs = HRegionFileSystem.openRegionFromFileSystem(conf, fs,<a name="line.256"></a> -<span class="sourceLineNo">257</span> baseDir, regionInfo, true);<a name="line.257"></a> -<span class="sourceLineNo">258</span> monitor.rethrowException();<a name="line.258"></a> -<span class="sourceLineNo">259</span><a name="line.259"></a> -<span class="sourceLineNo">260</span> // 1. dump region meta info into the snapshot directory<a name="line.260"></a> -<span class="sourceLineNo">261</span> LOG.debug("Storing region-info for snapshot.");<a name="line.261"></a> -<span class="sourceLineNo">262</span> Object regionData = visitor.regionOpen(regionInfo);<a name="line.262"></a> -<span class="sourceLineNo">263</span> monitor.rethrowException();<a name="line.263"></a> -<span class="sourceLineNo">264</span><a name="line.264"></a> -<span class="sourceLineNo">265</span> // 2. iterate through all the stores in the region<a name="line.265"></a> -<span class="sourceLineNo">266</span> LOG.debug("Creating references for hfiles");<a name="line.266"></a> +<span class="sourceLineNo">217</span> // Visit the region and add it to the manifest<a name="line.217"></a> +<span class="sourceLineNo">218</span> addRegion(region, visitor);<a name="line.218"></a> +<span class="sourceLineNo">219</span> }<a name="line.219"></a> +<span class="sourceLineNo">220</span><a name="line.220"></a> +<span class="sourceLineNo">221</span> @VisibleForTesting<a name="line.221"></a> +<span class="sourceLineNo">222</span> protected void addRegion(final HRegion region, RegionVisitor visitor) throws IOException {<a name="line.222"></a> +<span class="sourceLineNo">223</span> // 1. dump region meta info into the snapshot directory<a name="line.223"></a> +<span class="sourceLineNo">224</span> LOG.debug("Storing '" + region + "' region-info for snapshot.");<a name="line.224"></a> +<span class="sourceLineNo">225</span> Object regionData = visitor.regionOpen(region.getRegionInfo());<a name="line.225"></a> +<span class="sourceLineNo">226</span> monitor.rethrowException();<a name="line.226"></a> +<span class="sourceLineNo">227</span><a name="line.227"></a> +<span class="sourceLineNo">228</span> // 2. iterate through all the stores in the region<a name="line.228"></a> +<span class="sourceLineNo">229</span> LOG.debug("Creating references for hfiles");<a name="line.229"></a> +<span class="sourceLineNo">230</span><a name="line.230"></a> +<span class="sourceLineNo">231</span> for (Store store : region.getStores()) {<a name="line.231"></a> +<span class="sourceLineNo">232</span> // 2.1. build the snapshot reference for the store<a name="line.232"></a> +<span class="sourceLineNo">233</span> Object familyData = visitor.familyOpen(regionData,<a name="line.233"></a> +<span class="sourceLineNo">234</span> store.getColumnFamilyDescriptor().getName());<a name="line.234"></a> +<span class="sourceLineNo">235</span> monitor.rethrowException();<a name="line.235"></a> +<span class="sourceLineNo">236</span><a name="line.236"></a> +<span class="sourceLineNo">237</span> List<StoreFile> storeFiles = new ArrayList<>(store.getStorefiles());<a name="line.237"></a> +<span class="sourceLineNo">238</span> if (LOG.isDebugEnabled()) {<a name="line.238"></a> +<span class="sourceLineNo">239</span> LOG.debug("Adding snapshot references for " + storeFiles + " hfiles");<a name="line.239"></a> +<span class="sourceLineNo">240</span> }<a name="line.240"></a> +<span class="sourceLineNo">241</span><a name="line.241"></a> +<span class="sourceLineNo">242</span> // 2.2. iterate through all the store's files and create "references".<a name="line.242"></a> +<span class="sourceLineNo">243</span> for (int i = 0, sz = storeFiles.size(); i < sz; i++) {<a name="line.243"></a> +<span class="sourceLineNo">244</span> StoreFile storeFile = storeFiles.get(i);<a name="line.244"></a> +<span class="sourceLineNo">245</span> monitor.rethrowException();<a name="line.245"></a> +<span class="sourceLineNo">246</span><a name="line.246"></a> +<span class="sourceLineNo">247</span> // create "reference" to this store file.<a name="line.247"></a> +<span class="sourceLineNo">248</span> LOG.debug("Adding reference for file (" + (i+1) + "/" + sz + "): " + storeFile.getPath());<a name="line.248"></a> +<span class="sourceLineNo">249</span> visitor.storeFile(regionData, familyData, storeFile.getFileInfo());<a name="line.249"></a> +<span class="sourceLineNo">250</span> }<a name="line.250"></a> +<span class="sourceLineNo">251</span> visitor.familyClose(regionData, familyData);<a name="line.251"></a> +<span class="sourceLineNo">252</span> }<a name="line.252"></a> +<span class="sourceLineNo">253</span> visitor.regionClose(regionData);<a name="line.253"></a> +<span class="sourceLineNo">254</span> }<a name="line.254"></a> +<span class="sourceLineNo">255</span><a name="line.255"></a> +<span class="sourceLineNo">256</span> /**<a name="line.256"></a> +<span class="sourceLineNo">257</span> * Creates a 'manifest' for the specified region, by reading directly from the disk.<a name="line.257"></a> +<span class="sourceLineNo">258</span> * This is used by the "offline snapshot" when the table is disabled.<a name="line.258"></a> +<span class="sourceLineNo">259</span> */<a name="line.259"></a> +<span class="sourceLineNo">260</span> public void addRegion(final Path tableDir, final HRegionInfo regionInfo) throws IOException {<a name="line.260"></a> +<span class="sourceLineNo">261</span> // Get the ManifestBuilder/RegionVisitor<a name="line.261"></a> +<span class="sourceLineNo">262</span> RegionVisitor visitor = createRegionVisitor(desc);<a name="line.262"></a> +<span class="sourceLineNo">263</span><a name="line.263"></a> +<span class="sourceLineNo">264</span> // Visit the region and add it to the manifest<a name="line.264"></a> +<span class="sourceLineNo">265</span> addRegion(tableDir, regionInfo, visitor);<a name="line.265"></a> +<span class="sourceLineNo">266</span> }<a name="line.266"></a> <span class="sourceLineNo">267</span><a name="line.267"></a> -<span class="sourceLineNo">268</span> // This ensures that we have an atomic view of the directory as long as we have < ls limit<a name="line.268"></a> -<span class="sourceLineNo">269</span> // (batch size of the files in a directory) on the namenode. Otherwise, we get back the files<a name="line.269"></a> -<span class="sourceLineNo">270</span> // in batches and may miss files being added/deleted. This could be more robust (iteratively<a name="line.270"></a> -<span class="sourceLineNo">271</span> // checking to see if we have all the files until we are sure), but the limit is currently<a name="line.271"></a> -<span class="sourceLineNo">272</span> // 1000 files/batch, far more than the number of store files under a single column family.<a name="line.272"></a> -<span class="sourceLineNo">273</span> Collection<String> familyNames = regionFs.getFamilies();<a name="line.273"></a> -<span class="sourceLineNo">274</span> if (familyNames != null) {<a name="line.274"></a> -<span class="sourceLineNo">275</span> for (String familyName: familyNames) {<a name="line.275"></a> -<span class="sourceLineNo">276</span> Object familyData = visitor.familyOpen(regionData, Bytes.toBytes(familyName));<a name="line.276"></a> -<span class="sourceLineNo">277</span> monitor.rethrowException();<a name="line.277"></a> -<span class="sourceLineNo">278</span><a name="line.278"></a> -<span class="sourceLineNo">279</span> Collection<StoreFileInfo> storeFiles = regionFs.getStoreFiles(familyName);<a name="line.279"></a> -<span class="sourceLineNo">280</span> if (storeFiles == null) {<a name="line.280"></a> -<span class="sourceLineNo">281</span> if (LOG.isDebugEnabled()) {<a name="line.281"></a> -<span class="sourceLineNo">282</span> LOG.debug("No files under family: " + familyName);<a name="line.282"></a> -<span class="sourceLineNo">283</span> }<a name="line.283"></a> -<span class="sourceLineNo">284</span> continue;<a name="line.284"></a> -<span class="sourceLineNo">285</span> }<a name="line.285"></a> +<span class="sourceLineNo">268</span> @VisibleForTesting<a name="line.268"></a> +<span class="sourceLineNo">269</span> protected void addRegion(final Path tableDir, final HRegionInfo regionInfo, RegionVisitor visitor)<a name="line.269"></a> +<span class="sourceLineNo">270</span> throws IOException {<a name="line.270"></a> +<span class="sourceLineNo">271</span> boolean isMobRegion = MobUtils.isMobRegionInfo(regionInfo);<a name="line.271"></a> +<span class="sourceLineNo">272</span> try {<a name="line.272"></a> +<span class="sourceLineNo">273</span> Path baseDir = tableDir;<a name="line.273"></a> +<span class="sourceLineNo">274</span> // Open the RegionFS<a name="line.274"></a> +<span class="sourceLineNo">275</span> if (isMobRegion) {<a name="line.275"></a> +<span class="sourceLineNo">276</span> baseDir = FSUtils.getTableDir(MobUtils.getMobHome(conf), regionInfo.getTable());<a name="line.276"></a> +<span class="sourceLineNo">277</span> }<a name="line.277"></a> +<span class="sourceLineNo">278</span> HRegionFileSystem regionFs = HRegionFileSystem.openRegionFromFileSystem(conf, fs,<a name="line.278"></a> +<span class="sourceLineNo">279</span> baseDir, regionInfo, true);<a name="line.279"></a> +<span class="sourceLineNo">280</span> monitor.rethrowException();<a name="line.280"></a> +<span class="sourceLineNo">281</span><a name="line.281"></a> +<span class="sourceLineNo">282</span> // 1. dump region meta info into the snapshot directory<a name="line.282"></a> +<span class="sourceLineNo">283</span> LOG.debug("Storing region-info for snapshot.");<a name="line.283"></a> +<span class="sourceLineNo">284</span> Object regionData = visitor.regionOpen(regionInfo);<a name="line.284"></a> +<span class="sourceLineNo">285</span> monitor.rethrowException();<a name="line.285"></a> <span class="sourceLineNo">286</span><a name="line.286"></a> -<span class="sourceLineNo">287</span> // 2.1. build the snapshot reference for the store<a name="line.287"></a> -<span class="sourceLineNo">288</span> // iterate through all the store's files and create "references".<a name="line.288"></a> -<span class="sourceLineNo">289</span> addReferenceFiles(visitor, regionData, familyData, storeFiles, false);<a name="line.289"></a> -<span class="sourceLineNo">290</span><a name="line.290"></a> -<span class="sourceLineNo">291</span> visitor.familyClose(regionData, familyData);<a name="line.291"></a> -<span class="sourceLineNo">292</span> }<a name="line.292"></a> -<span class="sourceLineNo">293</span> }<a name="line.293"></a> -<span class="sourceLineNo">294</span> visitor.regionClose(regionData);<a name="line.294"></a> -<span class="sourceLineNo">295</span> } catch (IOException e) {<a name="line.295"></a> -<span class="sourceLineNo">296</span> // the mob directory might not be created yet, so do nothing when it is a mob region<a name="line.296"></a> -<span class="sourceLineNo">297</span> if (!isMobRegion) {<a name="line.297"></a> -<span class="sourceLineNo">298</span> throw e;<a name="line.298"></a> -<span class="sourceLineNo">299</span> }<a name="line.299"></a> -<span class="sourceLineNo">300</span> }<a name="line.300"></a> -<span class="sourceLineNo">301</span> }<a name="line.301"></a> -<span class="sourceLineNo">302</span><a name="line.302"></a> -<span class="sourceLineNo">303</span> private List<StoreFileInfo> getStoreFiles(Path storeDir) throws IOException {<a name="line.303"></a> -<span class="sourceLineNo">304</span> FileStatus[] stats = FSUtils.listStatus(fs, storeDir);<a name="line.304"></a> -<span class="sourceLineNo">305</span> if (stats == null) return null;<a name="line.305"></a> -<span class="sourceLineNo">306</span><a name="line.306"></a> -<span class="sourceLineNo">307</span> ArrayList<StoreFileInfo> storeFiles = new ArrayList<>(stats.length);<a name="line.307"></a> -<span class="sourceLineNo">308</span> for (int i = 0; i < stats.length; ++i) {<a name="line.308"></a> -<span class="sourceLineNo">309</span> storeFiles.add(new StoreFileInfo(conf, fs, stats[i]));<a name="line.309"></a> -<span class="sourceLineNo">310</span> }<a name="line.310"></a> -<span class="sourceLineNo">311</span> return storeFiles;<a name="line.311"></a> -<span class="sourceLineNo">312</span> }<a name="line.312"></a> -<span class="sourceLineNo">313</span><a name="line.313"></a> -<span class="sourceLineNo">314</span> private void addReferenceFiles(RegionVisitor visitor, Object regionData, Object familyData,<a name="line.314"></a> -<span class="sourceLineNo">315</span> Collection<StoreFileInfo> storeFiles, boolean isMob) throws IOException {<a name="line.315"></a> -<span class="sourceLineNo">316</span> final String fileType = isMob ? "mob file" : "hfile";<a name="line.316"></a> -<span class="sourceLineNo">317</span><a name="line.317"></a> -<span class="sourceLineNo">318</span> if (LOG.isDebugEnabled()) {<a name="line.318"></a> -<span class="sourceLineNo">319</span> LOG.debug(String.format("Adding snapshot references for %s %ss", storeFiles, fileType));<a name="line.319"></a> -<span class="sourceLineNo">320</span> }<a name="line.320"></a> -<span class="sourceLineNo">321</span><a name="line.321"></a> -<span class="sourceLineNo">322</span> int i = 0;<a name="line.322"></a> -<span class="sourceLineNo">323</span> int sz = storeFiles.size();<a name="line.323"></a> -<span class="sourceLineNo">324</span> for (StoreFileInfo storeFile: storeFiles) {<a name="line.324"></a> -<span class="sourceLineNo">325</span> monitor.rethrowException();<a name="line.325"></a> -<span class="sourceLineNo">326</span><a name="line.326"></a> -<span class="sourceLineNo">327</span> LOG.debug(String.format("Adding reference for %s (%d/%d): %s",<a name="line.327"></a> -<span class="sourceLineNo">328</span> fileType, ++i, sz, storeFile.getPath()));<a name="line.328"></a> -<span class="sourceLineNo">329</span><a name="line.329"></a> -<span class="sourceLineNo">330</span> // create "reference" to this store file.<a name="line.330"></a> -<span class="sourceLineNo">331</span> visitor.storeFile(regionData, familyData, storeFile);<a name="line.331"></a> +<span class="sourceLineNo">287</span> // 2. iterate through all the stores in the region<a name="line.287"></a> +<span class="sourceLineNo">288</span> LOG.debug("Creating references for hfiles");<a name="line.288"></a> +<span class="sourceLineNo">289</span><a name="line.289"></a> +<span class="sourceLineNo">290</span> // This ensures that we have an atomic view of the directory as long as we have < ls limit<a name="line.290"></a> +<span class="sourceLineNo">291</span> // (batch size of the files in a directory) on the namenode. Otherwise, we get back the files<a name="line.291"></a> +<span class="sourceLineNo">292</span> // in batches and may miss files being added/deleted. This could be more robust (iteratively<a name="line.292"></a> +<span class="sourceLineNo">293</span> // checking to see if we have all the files until we are sure), but the limit is currently<a name="line.293"></a> +<span class="sourceLineNo">294</span> // 1000 files/batch, far more than the number of store files under a single column family.<a name="line.294"></a> +<span class="sourceLineNo">295</span> Collection<String> familyNames = regionFs.getFamilies();<a name="line.295"></a> +<span class="sourceLineNo">296</span> if (familyNames != null) {<a name="line.296"></a> +<span class="sourceLineNo">297</span> for (String familyName: familyNames) {<a name="line.297"></a> +<span class="sourceLineNo">298</span> Object familyData = visitor.familyOpen(regionData, Bytes.toBytes(familyName));<a name="line.298"></a> +<span class="sourceLineNo">299</span> monitor.rethrowException();<a name="line.299"></a> +<span class="sourceLineNo">300</span><a name="line.300"></a> +<span class="sourceLineNo">301</span> Collection<StoreFileInfo> storeFiles = regionFs.getStoreFiles(familyName);<a name="line.301"></a> +<span class="sourceLineNo">302</span> if (storeFiles == null) {<a name="line.302"></a> +<span class="sourceLineNo">303</span> if (LOG.isDebugEnabled()) {<a name="line.303"></a> +<span class="sourceLineNo">304</span> LOG.debug("No files under family: " + familyName);<a name="line.304"></a> +<span class="sourceLineNo">305</span> }<a name="line.305"></a> +<span class="sourceLineNo">306</span> continue;<a name="line.306"></a> +<span class="sourceLineNo">307</span> }<a name="line.307"></a> +<span class="sourceLineNo">308</span><a name="line.308"></a> +<span class="sourceLineNo">309</span> // 2.1. build the snapshot reference for the store<a name="line.309"></a> +<span class="sourceLineNo">310</span> // iterate through all the store's files and create "references".<a name="line.310"></a> +<span class="sourceLineNo">311</span> addReferenceFiles(visitor, regionData, familyData, storeFiles, false);<a name="line.311"></a> +<span class="sourceLineNo">312</span><a name="line.312"></a> +<span class="sourceLineNo">313</span> visitor.familyClose(regionData, familyData);<a name="line.313"></a> +<span class="sourceLineNo">314</span> }<a name="line.314"></a> +<span class="sourceLineNo">315</span> }<a name="line.315"></a> +<span class="sourceLineNo">316</span> visitor.regionClose(regionData);<a name="line.316"></a> +<span class="sourceLineNo">317</span> } catch (IOException e) {<a name="line.317"></a> +<span class="sourceLineNo">318</span> // the mob directory might not be created yet, so do nothing when it is a mob region<a name="line.318"></a> +<span class="sourceLineNo">319</span> if (!isMobRegion) {<a name="line.319"></a> +<span class="sourceLineNo">320</span> throw e;<a name="line.320"></a> +<span class="sourceLineNo">321</span> }<a name="line.321"></a> +<span class="sourceLineNo">322</span> }<a name="line.322"></a> +<span class="sourceLineNo">323</span> }<a name="line.323"></a> +<span class="sourceLineNo">324</span><a name="line.324"></a> +<span class="sourceLineNo">325</span> private List<StoreFileInfo> getStoreFiles(Path storeDir) throws IOException {<a name="line.325"></a> +<span class="sourceLineNo">326</span> FileStatus[] stats = FSUtils.listStatus(fs, storeDir);<a name="line.326"></a> +<span class="sourceLineNo">327</span> if (stats == null) return null;<a name="line.327"></a> +<span class="sourceLineNo">328</span><a name="line.328"></a> +<span class="sourceLineNo">329</span> ArrayList<StoreFileInfo> storeFiles = new ArrayList<>(stats.length);<a name="line.329"></a> +<span class="sourceLineNo">330</span> for (int i = 0; i < stats.length; ++i) {<a name="line.330"></a> +<span class="sourceLineNo">331</span> storeFiles.add(new StoreFileInfo(conf, fs, stats[i]));<a name="line.331"></a> <span class="sourceLineNo">332</span> }<a name="line.332"></a> -<span class="sourceLineNo">333</span> }<a name="line.333"></a> -<span class="sourceLineNo">334</span><a name="line.334"></a> -<span class="sourceLineNo">335</span> /**<a name="line.335"></a> -<span class="sourceLineNo">336</span> * Load the information in the SnapshotManifest. Called by SnapshotManifest.open()<a name="line.336"></a> -<span class="sourceLineNo">337</span> *<a name="line.337"></a> -<span class="sourceLineNo">338</span> * If the format is v2 and there is no data-manifest, means that we are loading an<a name="line.338"></a> -<span class="sourceLineNo">339</span> * in-progress snapshot. 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SnapshotManifestV1.loadRegionManifests(conf, tpool, fs, workingDir, desc);<a name="line.349"></a> -<span class="sourceLineNo">350</span> } finally {<a name="line.350"></a> -<span class="sourceLineNo">351</span> tpool.shutdown();<a name="line.351"></a> -<span class="sourceLineNo">352</span> }<a name="line.352"></a> -<span class="sourceLineNo">353</span> break;<a name="line.353"></a> -<span class="sourceLineNo">354</span> }<a name="line.354"></a> -<span class="sourceLineNo">355</span> case SnapshotManifestV2.DESCRIPTOR_VERSION: {<a name="line.355"></a> -<span class="sourceLineNo">356</span> SnapshotDataManifest dataManifest = readDataManifest();<a name="line.356"></a> -<span class="sourceLineNo">357</span> if (dataManifest != null) {<a name="line.357"></a> -<span class="sourceLineNo">358</span> htd = ProtobufUtil.convertToHTableDesc(dataManifest.getTableSchema());<a name="line.358"></a> -<span class="sourceLineNo">359</span> regionManifests = dataManifest.getRegionManifestsList();<a name="line.359"></a> -<span class="sourceLineNo">360</span> } else {<a name="line.360"></a> -<span class="sourceLineNo">361</span> // Compatibility, load the v1 regions<a name="line.361"></a> -<span class="sourceLineNo">362</span> // This happens only when the snapshot is in-progress and the cache wants to refresh.<a name="line.362"></a> -<span class="sourceLineNo">363</span> List<SnapshotRegionManifest> v1Regions, v2Regions;<a name="line.363"></a> -<span class="sourceLineNo">364</span> ThreadPoolExecutor tpool = createExecutor("SnapshotManifestLoader");<a name="line.364"></a> -<span class="sourceLineNo">365</span> try {<a name="line.365"></a> -<span class="sourceLineNo">366</span> v1Regions = SnapshotManifestV1.loadRegionManifests(conf, tpool, fs, workingDir, desc);<a name="line.366"></a> -<span class="sourceLineNo">367</span> v2Regions = SnapshotManifestV2.loadRegionManifests(conf, tpool, fs, workingDir, desc,<a name="line.367"></a> -<span class="sourceLineNo">368</span> manifestSizeLimit);<a name="line.368"></a> -<span class="sourceLineNo">369</span> } catch (InvalidProtocolBufferException e) {<a name="line.369"></a> -<span class="sourceLineNo">370</span> throw new CorruptedSnapshotException("unable to parse region manifest " +<a name="line.370"></a> -<span class="sourceLineNo">371</span> e.getMessage(), e);<a name="line.371"></a> -<span class="sourceLineNo">372</span> } finally {<a name="line.372"></a> -<span class="sourceLineNo">373</span> tpool.shutdown();<a name="line.373"></a> -<span class="sourceLineNo">374</span> }<a name="line.374"></a> -<span class="sourceLineNo">375</span> if (v1Regions != null && v2Regions != null) {<a name="line.375"></a> -<span class="sourceLineNo">376</span> regionManifests = new ArrayList<>(v1Regions.size() + v2Regions.size());<a name="line.376"></a> -<span class="sourceLineNo">377</span> regionManifests.addAll(v1Regions);<a name="line.377"></a> -<span class="sourceLineNo">378</span> regionManifests.addAll(v2Regions);<a name="line.378"></a> -<span class="sourceLineNo">379</span> } else if (v1Regions != null) {<a name="line.379"></a> -<span class="sourceLineNo">380</span> regionManifests = v1Regions;<a name="line.380"></a> -<span class="sourceLineNo">381</span> } else /* if (v2Regions != null) */ {<a name="line.381"></a> -<span class="sourceLineNo">382</span> regionManifests = v2Regions;<a name="line.382"></a> -<span class="sourceLineNo">383</span> }<a name="line.383"></a> -<span class="sourceLineNo">384</span> }<a name="line.384"></a> -<span class="sourceLineNo">385</span> break;<a name="line.385"></a> -<span class="sourceLineNo">386</span> }<a name="line.386"></a> -<span class="sourceLineNo">387</span> default:<a name="line.387"></a> -<span class="sourceLineNo">388</span> throw new CorruptedSnapshotException("Invalid Snapshot version: " + desc.getVersion(),<a name="line.388"></a> -<span class="sourceLineNo">389</span> ProtobufUtil.createSnapshotDesc(desc));<a name="line.389"></a> -<span class="sourceLineNo">390</span> }<a name="line.390"></a> -<span class="sourceLineNo">391</span> }<a name="line.391"></a> -<span class="sourceLineNo">392</span><a name="line.392"></a> -<span class="sourceLineNo">393</span> /**<a name="line.393"></a> -<span class="sourceLineNo">394</span> * Get the current snapshot working dir<a name="line.394"></a> -<span class="sourceLineNo">395</span> */<a name="line.395"></a> -<span class="sourceLineNo">396</span> public Path getSnapshotDir() {<a name="line.396"></a> -<span class="sourceLineNo">397</span> return this.workingDir;<a name="line.397"></a> -<span class="sourceLineNo">398</span> }<a name="line.398"></a> -<span class="sourceLineNo">399</span><a name="line.399"></a> -<span class="sourceLineNo">400</span> /**<a name="line.400"></a> -<span class="sourceLineNo">401</span> * Get the SnapshotDescription<a name="line.401"></a> -<span class="sourceLineNo">402</span> */<a name="line.402"></a> -<span class="sourceLineNo">403</span> public SnapshotDescription getSnapshotDescription() {<a name="line.403"></a> -<span class="sourceLineNo">404</span> return this.desc;<a name="line.404"></a> -<span class="sourceLineNo">405</span> }<a name="line.405"></a> -<span class="sourceLineNo">406</span><a name="line.406"></a> -<span class="sourceLineNo">407</span> /**<a name="line.407"></a> -<span class="sourceLineNo">408</span> * Get the table descriptor from the Snapshot<a name="line.408"></a> -<span class="sourceLineNo">409</span> */<a name="line.409"></a> -<span class="sourceLineNo">410</span> public HTableDescriptor getTableDescriptor() {<a name="line.410"></a> -<span class="sourceLineNo">411</span> return this.htd;<a name="line.411"></a> -<span class="sourceLineNo">412</span> }<a name="line.412"></a> -<span class="sourceLineNo">413</span><a name="line.413"></a> -<span class="sourceLineNo">414</span> /**<a name="line.414"></a> -<span class="sourceLineNo">415</span> * Get all the Region Manifest from the snapshot<a name="line.415"></a> -<span class="sourceLineNo">416</span> */<a name="line.416"></a> -<span class="sourceLineNo">417</span> public List<SnapshotRegionManifest> getRegionManifests() {<a name="line.417"></a> -<span class="sourceLineNo">418</span> return this.regionManifests;<a name="line.418"></a> -<span class="sourceLineNo">419</span> }<a name="line.419"></a> -<span class="sourceLineNo">420</span><a name="line.420"></a> -<span class="sourceLineNo">421</span> /**<a name="line.421"></a> -<span class="sourceLineNo">422</span> * Get all the Region Manifest from the snapshot.<a name="line.422"></a> -<span class="sourceLineNo">423</span> * This is an helper to get a map with the region encoded name<a name="line.423"></a> +<span class="sourceLineNo">333</span> return storeFiles;<a name="line.333"></a> +<span class="sourceLineNo">334</span> }<a name="line.334"></a> +<span class="sourceLineNo">335</span><a name="line.335"></a> +<span class="sourceLineNo">336</span> private void addReferenceFiles(RegionVisitor visitor, Object regionData, Object familyData,<a name="line.336"></a> +<span class="sourceLineNo">337</span> Collection<StoreFileInfo> storeFiles, boolean isMob) throws IOException {<a name="line.337"></a> +<span class="sourceLineNo">338</span> final String fileType = isMob ? "mob file" : "hfile";<a name="line.338"></a> +<span class="sourceLineNo">339</span><a name="line.339"></a> +<span class="sourceLineNo">340</span> if (LOG.isDebugEnabled()) {<a name="line.340"></a> +<span class="sourceLineNo">341</span> LOG.debug(String.format("Adding snapshot references for %s %ss", storeFiles, fileType));<a name="line.341"></a> +<span class="sourceLineNo">342</span> }<a name="line.342"></a> +<span class="sourceLineNo">343</span><a name="line.343"></a> +<span class="sourceLineNo">344</span> int i = 0;<a name="line.344"></a> +<span class="sourceLineNo">345</span> int sz = storeFiles.size();<a name="line.345"></a> +<span class="sourceLineNo">346</span> for (StoreFileInfo storeFile: storeFiles) {<a name="line.346"></a> +<span class="sourceLineNo">347</span> monitor.rethrowException();<a name="line.347"></a> +<span class="sourceLineNo">348</span><a name="line.348"></a> +<span class="sourceLineNo">349</span> LOG.debug(String.format("Adding reference for %s (%d/%d): %s",<a name="line.349"></a> +<span class="sourceLineNo">350</span> fileType, ++i, sz, storeFile.getPath()));<a name="line.350"></a> +<span class="sourceLineNo">351</span><a name="line.351"></a> +<span class="sourceLineNo">352</span> // create "reference" to this store file.<a name="line.352"></a> +<span class="sourceLineNo">353</span> visitor.storeFile(regionData, familyData, storeFile);<a name="line.353"></a> +<span class="sourceLineNo">354</span> }<a name="line.354"></a> +<span class="sourceLineNo">355</span> }<a name="line.355"></a> +<span class="sourceLineNo">356</span><a name="line.356"></a> +<span class="sourceLineNo">357</span> /**<a name="line.357"></a> +<span class="sourceLineNo">358</span> * Load the information in the SnapshotManifest. Called by SnapshotManifest.open()<a name="line.358"></a> +<span class="sourceLineNo">359</span> *<a name="line.359"></a> +<span class="sourceLineNo">360</span> * If the format is v2 and there is no data-manifest, means that we are loading an<a name="line.360"></a> +<span class="sourceLineNo">361</span> * in-progress snapshot. Since we support rolling-upgrades, we loook for v1 and v2<a name="line.361"></a> +<span class="sourceLineNo">362</span> * regions format.<a name="line.362"></a> +<span class="sourceLineNo">363</span> */<a name="line.363"></a> +<span class="sourceLineNo">364</span> private void load() throws IOException {<a name="line.364"></a> +<span class="sourceLineNo">365</span> switch (getSnapshotFormat(desc)) {<a name="line.365"></a> +<span class="sourceLineNo">366</span> case SnapshotManifestV1.DESCRIPTOR_VERSION: {<a name="line.366"></a> +<span class="sourceLineNo">367</span> this.htd = FSTableDescriptors.getTableDescriptorFromFs(fs, workingDir);<a name="line.367"></a> +<span class="sourceLineNo">368</span> ThreadPoolExecutor tpool = createExecutor("SnapshotManifestLoader");<a name="line.368"></a> +<span class="sourceLineNo">369</span> try {<a name="line.369"></a> +<span class="sourceLineNo">370</span> this.regionManifests =<a name="line.370"></a> +<span class="sourceLineNo">371</span> SnapshotManifestV1.loadRegionManifests(conf, tpool, fs, workingDir, desc);<a name="line.371"></a> +<span class="sourceLineNo">372</span> } finally {<a name="line.372"></a> +<span class="sourceLineNo">373</span> tpool.shutdown();<a name="line.373"></a> +<span class="sourceLineNo">374</span> }<a name="line.374"></a> +<span class="sourceLineNo">375</span> break;<a name="line.375"></a> +<span class="sourceLineNo">376</span> }<a name="line.376"></a> +<span class="sourceLineNo">377</span> case SnapshotManifestV2.DESCRIPTOR_VERSION: {<a name="line.377"></a> +<span class="sourceLineNo">378</span> SnapshotDataManifest dataManifest = readDataManifest();<a name="line.378"></a> +<span class="sourceLineNo">379</span> if (dataManifest != null) {<a name="line.379"></a> +<span class="sourceLineNo">380</span> htd = ProtobufUtil.convertToHTableDesc(dataManifest.getTableSchema());<a name="line.380"></a> +<span class="sourceLineNo">381</span> regionManifests = dataManifest.getRegionManifestsList();<a name="line.381"></a> +<span class="sourceLineNo">382</span> } else {<a name="line.382"></a> +<span class="sourceLineNo">383</span> // Compatibility, load the v1 regions<a name="line.383"></a> +<span class="sourceLineNo">384</span> // This happens only when the snapshot is in-progress and the cache wants to refresh.<a name="line.384"></a> +<span class="sourceLineNo">385</span> List<SnapshotRegionManifest> v1Regions, v2Regions;<a name="line.385"></a> +<span class="sourceLineNo">386</span> ThreadPoolExecutor tpool = createExecutor("SnapshotManifestLoader");<a name="line.386"></a> +<span class="sourceLineNo">387</span> try {<a name="line.387"></a> +<span class="sourceLineNo">388</span> v1Regions = SnapshotManifestV1.loadRegionManifests(conf, tpool, fs, workingDir, desc);<a name="line.388"></a> +<span class="sourceLineNo">389</span> v2Regions = SnapshotManifestV2.loadRegionManifests(conf, tpool, fs, workingDir, desc,<a name="line.389"></a> +<span class="sourceLineNo">390</span> manifestSizeLimit);<a name="line.390"></a> +<span class="sourceLineNo">391</span> } catch (InvalidProtocolBufferException e) {<a name="line.391"></a> +<span class="sourceLineNo">392</span> throw new CorruptedSnapshotException("unable to parse region manifest " +<a name="line.392"></a> +<span class="sourceLineNo">393</span> e.getMessage(), e);<a name="line.393"></a> +<span class="sourceLineNo">394</span> } finally {<a name="line.394"></a> +<span class="sourceLineNo">395</span> tpool.shutdown();<a name="line.395"></a> +<span class="sourceLineNo">396</span> }<a name="line.396"></a> +<span class="sourceLineNo">397</span> if (v1Regions != null && v2Regions != null) {<a name="line.397"></a> +<span class="sourceLineNo">398</span> regionManifests = new ArrayList<>(v1Regions.size() + v2Regions.size());<a name="line.398"></a> +<span class="sourceLineNo">399</span> regionManifests.addAll(v1Regions);<a name="line.399"></a> +<span class="sourceLineNo">400</span> regionManifests.addAll(v2Regions);<a name="line.400"></a> +<span class="sourceLineNo">401</span> } else if (v1Regions != null) {<a name="line.401"></a> +<span class="sourceLineNo">402</span> regionManifests = v1Regions;<a name="line.402"></a> +<span class="sourceLineNo">403</span> } else /* if (v2Regions != null) */ {<a name="line.403"></a> +<span class="sourceLineNo">404</span> regionManifests = v2Regions;<a name="line.404"></a> +<span class="sourceLineNo">405</span> }<a name="line.405"></a> +<span class="sourceLineNo">406</span> }<a name="line.406"></a> +<span class="sourceLineNo">407</span> break;<a name="line.407"></a> +<span class="sourceLineNo">408</span> }<a name="line.408"></a> +<span class="sourceLineNo">409</span> default:<a name="line.409"></a> +<span class="sourceLineNo">410</span> throw new CorruptedSnapshotException("Invalid Snapshot version: " + desc.getVersion(),<a name="line.410"></a> +<span class="sourceLineNo">411</span> ProtobufUtil.createSnapshotDesc(desc));<a name="line.411"></a> +<span class="sourceLineNo">412</span> }<a name="line.412"></a> +<span class="sourceLineNo">413</span> }<a name="line.413"></a> +<span class="sourceLineNo">414</span><a name="line.414"></a> +<span class="sourceLineNo">415</span> /**<a name="line.415"></a> +<span class="sourceLineNo">416</span> * Get the current snapshot working dir<a name="line.416"></a> +<span class="sourceLineNo">417</span> */<a name="line.417"></a> +<span class="sourceLineNo">418</span> public Path getSnapshotDir() {<a name="line.418"></a> +<span class="sourceLineNo">419</span> return this.workingDir;<a name="line.419"></a> +<span class="sourceLineNo">420</span> }<a name="line.420"></a> +<span class="sourceLineNo">421</span><a name="line.421"></a> +<span class="sourceLineNo">422</span> /**<a name="line.422"></a> +<span class="sourceLineNo">423</span> * Get the SnapshotDescription<a name="line.423"></a> <span class="sourceLineNo">424</span> */<a name="line.424"></a> -<span class="sourceLineNo">425</span> public Map<String, SnapshotRegionManifest> getRegionManifestsMap() {<a name="line.425"></a> -<span class="sourceLineNo">426</span> if (regionManifests == null || regionManifests.isEmpty()) return null;<a name="line.426"></a> -<span class="sourceLineNo">427</span><a name="line.427"></a> -<span class="sourceLineNo">428</span> HashMap<String, SnapshotRegionManifest> regionsMap = new HashMap<>(regionManifests.size());<a name="line.428"></a> -<span class="sourceLineNo">429</span> for (SnapshotRegionManifest manifest: regionManifests) {<a name="line.429"></a> -<span class="sourceLineNo">430</span> String regionName = getRegionNameFromManifest(manifest);<a name="line.430"></a> -<span class="sourceLineNo">431</span> regionsMap.put(regionName, manifest);<a name="line.431"></a> -<span class="sourceLineNo">432</span> }<a name="line.432"></a> -<span class="sourceLineNo">433</span> return regionsMap;<a name="line.433"></a> +<span class="sourceLineNo">425</span> public SnapshotDescription getSnapshotDescription() {<a name="line.425"></a> +<span class="sourceLineNo">426</span> return this.desc;<a name="line.426"></a> +<span class="sourceLineNo">427</span> }<a name="line.427"></a> +<span class="sourceLineNo">428</span><a name="line.428"></a> +<span class="sourceLineNo">429</span> /**<a name="line.429"></a> +<span class="sourceLineNo">430</span> * Get the table descriptor from the Snapshot<a name="line.430"></a> +<span class="sourceLineNo">431</span> */<a name="line.431"></a> +<span class="sourceLineNo">432</span> public HTableDescriptor getTableDescriptor() {<a name="line.432"></a> +<span class="sourceLineNo">433</span> return this.htd;<a name="line.433"></a> <span class="sourceLineNo">434</span> }<a name="line.434"></a> <span class="sourceLineNo">435</span><a name="line.435"></a> -<span class="sourceLineNo">436</span> public void consolidate() throws IOException {<a name="line.436"></a> -<span class="sourceLineNo">437</span> if (getSnapshotFormat(desc) == SnapshotManifestV1.DESCRIPTOR_VERSION) {<a name="line.437"></a> -<span class="sourceLineNo">438</span> Path rootDir = FSUtils.getRootDir(conf);<a name="line.438"></a> -<span class="sourceLineNo">439</span> LOG.info("Using old Snapshot Format");<a name="line.439"></a> -<span class="sourceLineNo">440</span> // write a copy of descriptor to the snapshot directory<a name="line.440"></a> -<span class="sourceLineNo">441</span> new FSTableDescriptors(conf, fs, rootDir)<a name="line.441"></a> -<span class="sourceLineNo">442</span> .createTableDescriptorForTableDirectory(workingDir, htd, false);<a name="line.442"></a> -<span class="sourceLineNo">443</span> } else {<a name="line.443"></a> -<span class="sourceLineNo">444</span> LOG.debug("Convert to Single Snapshot Manifest");<a name="line.444"></a> -<span class="sourceLineNo">445</span> convertToV2SingleManifest();<a name="line.445"></a> -<span class="sourceLineNo">446</span> }<a name="line.446"></a> -<span class="sourceLineNo">447</span> }<a name="line.447"></a> -<span class="sourceLineNo">448</span><a name="line.448"></a> -<span class="sourceLineNo">449</span> /*<a name="line.449"></a> -<span class="sourceLineNo">450</span> * In case of rolling-upgrade, we try to read all the formats and build<a name="line.450"></a> -<span class="sourceLineNo">451</span> * the snapshot with the latest format.<a name="line.451"></a> -<span class="sourceLineNo">452</span> */<a name="line.452"></a> -<span class="sourceLineNo">453</span> private void convertToV2SingleManifest() throws IOException {<a name="line.453"></a> -<span class="sourceLineNo">454</span> // Try to load v1 and v2 regions<a name="line.454"></a> -<span class="sourceLineNo">455</span> List<SnapshotRegionManifest> v1Regions, v2Regions;<a name="line.455"></a> -<span class="sourceLineNo">456</span> ThreadPoolExecutor tpool = createExecutor("SnapshotManifestLoader");<a name="line.456"></a> -<span class="sourceLineNo">457</span> try {<a name="line.457"></a> -<span class="sourceLineNo">458</span> v1Regions = SnapshotManifestV1.loadRegionManifests(conf, tpool, fs, workingDir, desc);<a name="line.458"></a> -<span class="sourceLineNo">459</span> v2Regions = SnapshotManifestV2.loadRegionManifests(conf, tpool, fs, workingDir, desc,<a name="line.459"></a> -<span class="sourceLineNo">460</span> manifestSizeLimit);<a name="line.460"></a> -<span class="sourceLineNo">461</span> } finally {<a name="line.461"></a> -<span class="sourceLineNo">462</span> tpool.shutdown();<a name="line.462"></a> -<span class="sourceLineNo">463</span> }<a name="line.463"></a> -<span class="sourceLineNo">464</span><a name="line.464"></a> -<span class="sourceLineNo">465</span> SnapshotDataManifest.Builder dataManifestBuilder = SnapshotDataManifest.newBuilder();<a name="line.465"></a> -<span class="sourceLineNo">466</span> dataManifestBuilder.setTableSchema(ProtobufUtil.convertToTableSchema(htd));<a name="line.466"></a> -<span class="sourceLineNo">467</span><a name="line.467"></a> -<span class="sourceLineNo">468</span> if (v1Regions != null && v1Regions.size() > 0) {<a name="line.468"></a> -<span class="sourceLineNo">469</span> dataManifestBuilder.addAllRegionManifests(v1Regions);<a name="line.469"></a> -<span class="sourceLineNo">470</span> }<a name="line.470"></a> -<span class="sourceLineNo">471</span> if (v2Regions != null && v2Regions.size() > 0) {<a name="line.471"></a> -<span class="sourceLineNo">472</span> dataManifestBuilder.addAllRegionManifests(v2Regions);<a name="line.472"></a> -<span class="sourceLineNo">473</span> }<a name="line.473"></a> -<span class="sourceLineNo">474</span><a name="line.474"></a> -<span class="sourceLineNo">475</span> // Write the v2 Data Manifest.<a name="line.475"></a> -<span class="sourceLineNo">476</span> // Once the data-manifest is written, the snapshot can be considered complete.<a name="line.476"></a> -<span class="sourceLineNo">477</span> // Currently snapshots are written in a "temporary" directory and later<a name="line.477"></a> -<span class="sourceLineNo">478</span> // moved to the "complated" snapshot directory.<a name="line.478"></a> -<span class="sourceLineNo">479</span> SnapshotDataManifest dataManifest = dataManifestBuilder.build();<a name="line.479"></a> -<span class="sourceLineNo">480</span> writeDataManifest(dataManifest);<a name="line.480"></a> -<span class="sourceLineNo">481</span> this.regionManifests = dataManifest.getRegionManifestsList();<a name="line.481"></a> -<span class="sourceLineNo">482</span><a name="line.482"></a> -<span class="sourceLineNo">483</span> // Remove the region manifests. Everything is now in the data-manifest.<a name="line.483"></a> -<span class="sourceLineNo">484</span> // The delete operation is "relaxed", unless we get an exception we keep going.<a name="line.484"></a> -<span class="sourceLineNo">485</span> // The extra files in the snapshot directory will not give any problem,<a name="line.485"></a> -<span class="sourceLineNo">486</span> // since they have the same content as the data manifest, and even by re-reading<a name="line.486"></a> -<span class="sourceLineNo">487</span> // them we will get the same information.<a name="line.487"></a> -<span class="sourceLineNo">488</span> if (v1Regions != null && v1Regions.size() > 0) {<a name="line.488"></a> -<span class="sourceLineNo">489</span> for (SnapshotRegionManifest regionManifest: v1Regions) {<a name="line.489"></a> -<span class="sourceLineNo">490</span> SnapshotManifestV1.deleteRegionManifest(fs, workingDir, regionManifest);<a name="line.490"></a> -<span class="sourceLineNo">491</span> }<a name="line.491"></a> +<span class="sourceLineNo">436</span> /**<a name="line.436"></a> +<span class="sourceLineNo">437</span> * Get all the Region Manifest from the snapshot<a name="line.437"></a> +<span class="sourceLineNo">438</span> */<a name="line.438"></a> +<span class="sourceLineNo">439</span> public List<SnapshotRegionManifest> getRegionManifests() {<a name="line.439"></a> +<span class="sourceLineNo">440</span> return this.regionManifests;<a name="line.440"></a> +<span class="sourceLineNo">441</span> }<a name="line.441"></a> +<span class="sourceLineNo">442</span><a name="line.442"></a> +<span class="sourceLineNo">443</span> /**<a name="line.443"></a> +<span class="sourceLineNo">444</span> * Get all the Region Manifest from the snapshot.<a name="line.444"></a> +<span class="sourceLineNo">445</span> * This is an helper to get a map with the region encoded name<a name="line.445"></a> +<span class="sourceLineNo">446</span> */<a name="line.446"></a> +<span class="sourceLineNo">447</span> public Map<String, SnapshotRegionManifest> getRegionManifestsMap() {<a name="line.447"></a> +<span class="sourceLineNo">448</span> if (regionManifests == null || regionManifests.isEmpty()) return null;<a name="line.448"></a> +<span class="sourceLineNo">449</span><a name="line.449"></a> +<span class="sourceLineNo">450</span> HashMap<String, SnapshotRegionManifest> regionsMap = new HashMap<>(regionManifests.size());<a name="line.450"></a> +<span class="sourceLineNo">451</span> for (SnapshotRegionManifest manifest: regionManifests) {<a name="line.451"></a> +<span class="sourceLineNo">452</span> String regionName = getRegionNameFromManifest(manifest);<a name="line.452"></a> +<span class="sourceLineNo">453</span> regionsMap.put(regionName, manifest);<a name="line.453"></a> +<span class="sourceLineNo">454</span> }<a name="line.454"></a> +<span class="sourceLineNo">455</span> return regionsMap;<a name="line.455"></a> +<span class="sourceLineNo">456</span> }<a name="line.456"></a> +<span class="sourceLineNo">457</span><a name="line.457"></a> +<span class="sourceLineNo">458</span> public void consolidate() throws IOException {<a name="line.458"></a> +<span class="sourceLineNo">459</span> if (getSnapshotFormat(desc) == SnapshotManifestV1.DESCRIPTOR_VERSION) {<a name="line.459"></a> +<span class="sourceLineNo">460</span> Path rootDir = FSUtils.getRootDir(conf);<a name="line.460"></a> +<span class="sourceLineNo">461</span> LOG.info("Using old Snapshot Format");<a name="line.461"></a> +<span class="sourceLineNo">462</span> // write a copy of descriptor to the snapshot directory<a name="line.462"></a> +<span class="sourceLineNo">463</span> new FSTableDescriptors(conf, fs, rootDir)<a name="line.463"></a> +<span class="sourceLineNo">464</span> .createTableDescriptorForTableDirectory(workingDir, htd, false);<a name="line.464"></a> +<span class="sourceLineNo">465</span> } else {<a name="line.465"></a> +<span class="sourceLineNo">466</span> LOG.debug("Convert to Single Snapshot Manifest");<a name="line.466"></a> +<span class="sourceLineNo">467</span> convertToV2SingleManifest();<a name="line.467"></a> +<span class="sourceLineNo">468</span> }<a name="line.468"></a> +<span class="sourceLineNo">469</span> }<a name="line.469"></a> +<span class="sourceLineNo">470</span><a name="line.470"></a> +<span class="sourceLineNo">471</span> /*<a name="line.471"></a> +<span class="sourceLineNo">472</span> * In case of rolling-upgrade, we try to read all the formats and build<a name="line.472"></a> +<span class="sourceLineNo">473</span> * the snapshot with the latest format.<a name="line.473"></a> +<span class="sourceLineNo">474</span> */<a name="line.474"></a> +<span class="sourceLineNo">475</span> private void convertToV2SingleManifest() throws IOException {<a name="line.475"></a> +<span class="sourceLineNo">476</span> // Try to load v1 and v2 regions<a name="line.476"></a> +<span class="sourceLineNo">477</span> List<SnapshotRegionManifest> v1Regions, v2Regions;<a name="line.477"></a> +<span class="sourceLineNo">478</span> ThreadPoolExecutor tpool = createExecutor("SnapshotManifestLoader");<a name="line.478"></a> +<span class="sourceLineNo">479</span> try {<a name="line.479"></a> +<span class="sourceLineNo">480</span> v1Regions = SnapshotManifestV1.loadRegionManifests(conf, tpool, fs, workingDir, desc);<a name="line.480"></a> +<span class="sourceLineNo">481</span> v2Regions = SnapshotManifestV2.loadRegionManifests(conf, tpool, fs, workingDir, desc,<a name="line.481"></a> +<span class="sourceLineNo">482</span> manifestSizeLimit);<a name="line.482"></a> +<span class="sourceLineNo">483</span> } finally {<a name="line.483"></a> +<span class="sourceLineNo">484</span> tpool.shutdown();<a name="line.484"></a> +<span class="sourceLineNo">485</span> }<a name="line.485"></a> +<span class="sourceLineNo">486</span><a name="line.486"></a> +<span class="sourceLineNo">487</span> SnapshotDataManifest.Builder dataManifestBuilder = SnapshotDataManifest.newBuilder();<a name="line.487"></a> +<span class="sourceLineNo">488</span> dataManifestBuilder.setTableSchema(ProtobufUtil.convertToTableSchema(htd));<a name="line.488"></a> +<span class="sourceLineNo">489</span><a name="line.489"></a> +<span class="source
<TRUNCATED>