http://git-wip-us.apache.org/repos/asf/hbase-site/blob/7cf6034b/devapidocs/src-html/org/apache/hadoop/hbase/wal/WALFactory.html
----------------------------------------------------------------------
diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/wal/WALFactory.html 
b/devapidocs/src-html/org/apache/hadoop/hbase/wal/WALFactory.html
index d2d8da1..5bbbf0c 100644
--- a/devapidocs/src-html/org/apache/hadoop/hbase/wal/WALFactory.html
+++ b/devapidocs/src-html/org/apache/hadoop/hbase/wal/WALFactory.html
@@ -90,391 +90,392 @@
 <span class="sourceLineNo">082</span>  static final String 
DEFAULT_WAL_PROVIDER = Providers.defaultProvider.name();<a name="line.82"></a>
 <span class="sourceLineNo">083</span><a name="line.83"></a>
 <span class="sourceLineNo">084</span>  public static final String 
META_WAL_PROVIDER = "hbase.wal.meta_provider";<a name="line.84"></a>
-<span class="sourceLineNo">085</span>  static final String 
DEFAULT_META_WAL_PROVIDER = Providers.defaultProvider.name();<a 
name="line.85"></a>
-<span class="sourceLineNo">086</span><a name="line.86"></a>
-<span class="sourceLineNo">087</span>  final String factoryId;<a 
name="line.87"></a>
-<span class="sourceLineNo">088</span>  private final WALProvider provider;<a 
name="line.88"></a>
-<span class="sourceLineNo">089</span>  // The meta updates are written to a 
different wal. If this<a name="line.89"></a>
-<span class="sourceLineNo">090</span>  // regionserver holds meta regions, 
then this ref will be non-null.<a name="line.90"></a>
-<span class="sourceLineNo">091</span>  // lazily intialized; most 
RegionServers don't deal with META<a name="line.91"></a>
-<span class="sourceLineNo">092</span>  private final 
AtomicReference&lt;WALProvider&gt; metaProvider = new 
AtomicReference&lt;&gt;();<a name="line.92"></a>
-<span class="sourceLineNo">093</span><a name="line.93"></a>
-<span class="sourceLineNo">094</span>  /**<a name="line.94"></a>
-<span class="sourceLineNo">095</span>   * Configuration-specified WAL Reader 
used when a custom reader is requested<a name="line.95"></a>
-<span class="sourceLineNo">096</span>   */<a name="line.96"></a>
-<span class="sourceLineNo">097</span>  private final Class&lt;? extends 
AbstractFSWALProvider.Reader&gt; logReaderClass;<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>   * How long to attempt opening 
in-recovery wals<a name="line.100"></a>
-<span class="sourceLineNo">101</span>   */<a name="line.101"></a>
-<span class="sourceLineNo">102</span>  private final int timeoutMillis;<a 
name="line.102"></a>
-<span class="sourceLineNo">103</span><a name="line.103"></a>
-<span class="sourceLineNo">104</span>  private final Configuration conf;<a 
name="line.104"></a>
-<span class="sourceLineNo">105</span><a name="line.105"></a>
-<span class="sourceLineNo">106</span>  // Used for the singleton WALFactory, 
see below.<a name="line.106"></a>
-<span class="sourceLineNo">107</span>  private WALFactory(Configuration conf) 
{<a name="line.107"></a>
-<span class="sourceLineNo">108</span>    // this code is duplicated here so we 
can keep our members final.<a name="line.108"></a>
-<span class="sourceLineNo">109</span>    // until we've moved reader/writer 
construction down into providers, this initialization must<a 
name="line.109"></a>
-<span class="sourceLineNo">110</span>    // happen prior to provider 
initialization, in case they need to instantiate a reader/writer.<a 
name="line.110"></a>
-<span class="sourceLineNo">111</span>    timeoutMillis = 
conf.getInt("hbase.hlog.open.timeout", 300000);<a name="line.111"></a>
-<span class="sourceLineNo">112</span>    /* TODO Both of these are probably 
specific to the fs wal provider */<a name="line.112"></a>
-<span class="sourceLineNo">113</span>    logReaderClass = 
conf.getClass("hbase.regionserver.hlog.reader.impl", ProtobufLogReader.class,<a 
name="line.113"></a>
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AbstractFSWALProvider.Reader.class);<a name="line.114"></a>
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name="line.115"></a>
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initialization<a name="line.116"></a>
-<span class="sourceLineNo">117</span><a name="line.117"></a>
-<span class="sourceLineNo">118</span>    // this instance can't create wals, 
just reader/writers.<a name="line.118"></a>
-<span class="sourceLineNo">119</span>    provider = null;<a 
name="line.119"></a>
-<span class="sourceLineNo">120</span>    factoryId = SINGLETON_ID;<a 
name="line.120"></a>
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-<span class="sourceLineNo">123</span>  @VisibleForTesting<a 
name="line.123"></a>
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WALProvider&gt; getProviderClass(String key, String defaultValue) {<a 
name="line.124"></a>
-<span class="sourceLineNo">125</span>    try {<a name="line.125"></a>
-<span class="sourceLineNo">126</span>      Providers provider = 
Providers.valueOf(conf.get(key, defaultValue));<a name="line.126"></a>
-<span class="sourceLineNo">127</span>      if (provider != 
Providers.defaultProvider) {<a name="line.127"></a>
-<span class="sourceLineNo">128</span>        // User gives a wal provider 
explicitly, just use that one<a name="line.128"></a>
-<span class="sourceLineNo">129</span>        return provider.clazz;<a 
name="line.129"></a>
-<span class="sourceLineNo">130</span>      }<a name="line.130"></a>
-<span class="sourceLineNo">131</span>      // AsyncFSWAL has better 
performance in most cases, and also uses less resources, we will try<a 
name="line.131"></a>
-<span class="sourceLineNo">132</span>      // to use it if possible. But it 
deeply hacks into the internal of DFSClient so will be easily<a 
name="line.132"></a>
-<span class="sourceLineNo">133</span>      // broken when upgrading hadoop. If 
it is broken, then we fall back to use FSHLog.<a name="line.133"></a>
-<span class="sourceLineNo">134</span>      if (AsyncFSWALProvider.load()) {<a 
name="line.134"></a>
-<span class="sourceLineNo">135</span>        return 
AsyncFSWALProvider.class;<a name="line.135"></a>
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name="line.137"></a>
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exception) {<a name="line.139"></a>
-<span class="sourceLineNo">140</span>      // Fall back to them specifying a 
class name<a name="line.140"></a>
-<span class="sourceLineNo">141</span>      // Note that the passed default 
class shouldn't actually be used, since the above only fails<a 
name="line.141"></a>
-<span class="sourceLineNo">142</span>      // when there is a config value 
present.<a name="line.142"></a>
-<span class="sourceLineNo">143</span>      return conf.getClass(key, 
Providers.defaultProvider.clazz, WALProvider.class);<a name="line.143"></a>
-<span class="sourceLineNo">144</span>    }<a name="line.144"></a>
-<span class="sourceLineNo">145</span>  }<a name="line.145"></a>
-<span class="sourceLineNo">146</span><a name="line.146"></a>
-<span class="sourceLineNo">147</span>  static WALProvider 
createProvider(Class&lt;? extends WALProvider&gt; clazz) throws IOException {<a 
name="line.147"></a>
-<span class="sourceLineNo">148</span>    LOG.info("Instantiating WALProvider 
of type {}", clazz);<a name="line.148"></a>
-<span class="sourceLineNo">149</span>    try {<a name="line.149"></a>
-<span class="sourceLineNo">150</span>      return 
clazz.getDeclaredConstructor().newInstance();<a name="line.150"></a>
-<span class="sourceLineNo">151</span>    } catch (Exception e) {<a 
name="line.151"></a>
-<span class="sourceLineNo">152</span>      LOG.error("couldn't set up 
WALProvider, the configured class is " + clazz);<a name="line.152"></a>
-<span class="sourceLineNo">153</span>      LOG.debug("Exception details for 
failure to load WALProvider.", e);<a name="line.153"></a>
-<span class="sourceLineNo">154</span>      throw new IOException("couldn't set 
up WALProvider", e);<a name="line.154"></a>
-<span class="sourceLineNo">155</span>    }<a name="line.155"></a>
-<span class="sourceLineNo">156</span>  }<a name="line.156"></a>
-<span class="sourceLineNo">157</span><a name="line.157"></a>
-<span class="sourceLineNo">158</span>  /**<a name="line.158"></a>
-<span class="sourceLineNo">159</span>   * @param conf must not be null, will 
keep a reference to read params in later reader/writer<a name="line.159"></a>
-<span class="sourceLineNo">160</span>   *          instances.<a 
name="line.160"></a>
-<span class="sourceLineNo">161</span>   * @param factoryId a unique identifier 
for this factory. used i.e. by filesystem implementations<a name="line.161"></a>
-<span class="sourceLineNo">162</span>   *          to make a directory<a 
name="line.162"></a>
-<span class="sourceLineNo">163</span>   */<a name="line.163"></a>
-<span class="sourceLineNo">164</span>  public WALFactory(Configuration conf, 
String factoryId) throws IOException {<a name="line.164"></a>
-<span class="sourceLineNo">165</span>    // default 
enableSyncReplicationWALProvider is true, only disable 
SyncReplicationWALProvider<a name="line.165"></a>
-<span class="sourceLineNo">166</span>    // for HMaster or HRegionServer which 
take system table only. See HBASE-19999<a name="line.166"></a>
-<span class="sourceLineNo">167</span>    this(conf, factoryId, true);<a 
name="line.167"></a>
-<span class="sourceLineNo">168</span>  }<a name="line.168"></a>
-<span class="sourceLineNo">169</span><a name="line.169"></a>
-<span class="sourceLineNo">170</span>  /**<a name="line.170"></a>
-<span class="sourceLineNo">171</span>   * @param conf must not be null, will 
keep a reference to read params in later reader/writer<a name="line.171"></a>
-<span class="sourceLineNo">172</span>   *          instances.<a 
name="line.172"></a>
-<span class="sourceLineNo">173</span>   * @param factoryId a unique identifier 
for this factory. used i.e. by filesystem implementations<a name="line.173"></a>
-<span class="sourceLineNo">174</span>   *          to make a directory<a 
name="line.174"></a>
-<span class="sourceLineNo">175</span>   * @param 
enableSyncReplicationWALProvider whether wrap the wal provider to a<a 
name="line.175"></a>
-<span class="sourceLineNo">176</span>   *          {@link 
SyncReplicationWALProvider}<a name="line.176"></a>
-<span class="sourceLineNo">177</span>   */<a name="line.177"></a>
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String factoryId, boolean enableSyncReplicationWALProvider)<a 
name="line.178"></a>
-<span class="sourceLineNo">179</span>      throws IOException {<a 
name="line.179"></a>
-<span class="sourceLineNo">180</span>    // until we've moved reader/writer 
construction down into providers, this initialization must<a 
name="line.180"></a>
-<span class="sourceLineNo">181</span>    // happen prior to provider 
initialization, in case they need to instantiate a reader/writer.<a 
name="line.181"></a>
-<span class="sourceLineNo">182</span>    timeoutMillis = 
conf.getInt("hbase.hlog.open.timeout", 300000);<a name="line.182"></a>
-<span class="sourceLineNo">183</span>    /* TODO Both of these are probably 
specific to the fs wal provider */<a name="line.183"></a>
-<span class="sourceLineNo">184</span>    logReaderClass = 
conf.getClass("hbase.regionserver.hlog.reader.impl", ProtobufLogReader.class,<a 
name="line.184"></a>
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AbstractFSWALProvider.Reader.class);<a name="line.185"></a>
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name="line.186"></a>
-<span class="sourceLineNo">187</span>    this.factoryId = factoryId;<a 
name="line.187"></a>
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initialization<a name="line.188"></a>
-<span class="sourceLineNo">189</span>    if 
(conf.getBoolean("hbase.regionserver.hlog.enabled", true)) {<a 
name="line.189"></a>
-<span class="sourceLineNo">190</span>      WALProvider provider = 
createProvider(getProviderClass(WAL_PROVIDER, DEFAULT_WAL_PROVIDER));<a 
name="line.190"></a>
-<span class="sourceLineNo">191</span>      if 
(enableSyncReplicationWALProvider) {<a name="line.191"></a>
-<span class="sourceLineNo">192</span>        provider = new 
SyncReplicationWALProvider(provider);<a name="line.192"></a>
-<span class="sourceLineNo">193</span>      }<a name="line.193"></a>
-<span class="sourceLineNo">194</span>      provider.init(this, conf, null);<a 
name="line.194"></a>
-<span class="sourceLineNo">195</span>      provider.addWALActionsListener(new 
MetricsWAL());<a name="line.195"></a>
-<span class="sourceLineNo">196</span>      this.provider = provider;<a 
name="line.196"></a>
-<span class="sourceLineNo">197</span>    } else {<a name="line.197"></a>
-<span class="sourceLineNo">198</span>      // special handling of existing 
configuration behavior.<a name="line.198"></a>
-<span class="sourceLineNo">199</span>      LOG.warn("Running with WAL 
disabled.");<a name="line.199"></a>
-<span class="sourceLineNo">200</span>      provider = new 
DisabledWALProvider();<a name="line.200"></a>
-<span class="sourceLineNo">201</span>      provider.init(this, conf, 
factoryId);<a name="line.201"></a>
-<span class="sourceLineNo">202</span>    }<a name="line.202"></a>
-<span class="sourceLineNo">203</span>  }<a name="line.203"></a>
-<span class="sourceLineNo">204</span><a name="line.204"></a>
-<span class="sourceLineNo">205</span>  /**<a name="line.205"></a>
-<span class="sourceLineNo">206</span>   * Shutdown all WALs and clean up any 
underlying storage.<a name="line.206"></a>
-<span class="sourceLineNo">207</span>   * Use only when you will not need to 
replay and edits that have gone to any wals from this<a name="line.207"></a>
-<span class="sourceLineNo">208</span>   * factory.<a name="line.208"></a>
-<span class="sourceLineNo">209</span>   */<a name="line.209"></a>
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{<a name="line.210"></a>
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this.metaProvider.get();<a name="line.211"></a>
-<span class="sourceLineNo">212</span>    if (null != metaProvider) {<a 
name="line.212"></a>
-<span class="sourceLineNo">213</span>      metaProvider.close();<a 
name="line.213"></a>
-<span class="sourceLineNo">214</span>    }<a name="line.214"></a>
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with null provider in the case of contention handling<a name="line.215"></a>
-<span class="sourceLineNo">216</span>    // within the getInstance method.<a 
name="line.216"></a>
-<span class="sourceLineNo">217</span>    if (null != provider) {<a 
name="line.217"></a>
-<span class="sourceLineNo">218</span>      provider.close();<a 
name="line.218"></a>
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-<span class="sourceLineNo">220</span>  }<a name="line.220"></a>
-<span class="sourceLineNo">221</span><a name="line.221"></a>
-<span class="sourceLineNo">222</span>  /**<a name="line.222"></a>
-<span class="sourceLineNo">223</span>   * Tell the underlying WAL providers to 
shut down, but do not clean up underlying storage.<a name="line.223"></a>
-<span class="sourceLineNo">224</span>   * If you are not ending cleanly and 
will need to replay edits from this factory's wals,<a name="line.224"></a>
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will try to leave things as tidy as possible.<a name="line.225"></a>
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IOException {<a name="line.227"></a>
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name="line.86"></a>
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+<span class="sourceLineNo">089</span>  // regionserver holds meta regions, 
then this ref will be non-null.<a name="line.89"></a>
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used when a custom reader is requested<a name="line.94"></a>
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+<span class="sourceLineNo">096</span>  private final Class&lt;? extends 
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+<span class="sourceLineNo">097</span><a name="line.97"></a>
+<span class="sourceLineNo">098</span>  /**<a name="line.98"></a>
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in-recovery wals<a name="line.99"></a>
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{<a name="line.106"></a>
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name="line.108"></a>
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name="line.109"></a>
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conf.getInt("hbase.hlog.open.timeout", 300000);<a name="line.110"></a>
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specific to the fs wal provider */<a name="line.111"></a>
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conf.getClass("hbase.regionserver.hlog.reader.impl", ProtobufLogReader.class,<a 
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AbstractFSWALProvider.Reader.class);<a name="line.113"></a>
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initialization<a name="line.115"></a>
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+<span class="sourceLineNo">117</span>    // this instance can't create wals, 
just reader/writers.<a name="line.117"></a>
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Providers.valueOf(conf.get(key, defaultValue));<a name="line.125"></a>
+<span class="sourceLineNo">126</span>      if (provider != 
Providers.defaultProvider) {<a name="line.126"></a>
+<span class="sourceLineNo">127</span>        // User gives a wal provider 
explicitly, just use that one<a name="line.127"></a>
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+<span class="sourceLineNo">129</span>      }<a name="line.129"></a>
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performance in most cases, and also uses less resources, we will try<a 
name="line.130"></a>
+<span class="sourceLineNo">131</span>      // to use it if possible. But it 
deeply hacks into the internal of DFSClient so will be easily<a 
name="line.131"></a>
+<span class="sourceLineNo">132</span>      // broken when upgrading hadoop. If 
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name="line.378"></a>
+<span class="sourceLineNo">379</span>    return 
FSHLogProvider.createWriter(conf, fs, path, true);<a name="line.379"></a>
+<span class="sourceLineNo">380</span>  }<a name="line.380"></a>
+<span class="sourceLineNo">381</span><a name="line.381"></a>
+<span class="sourceLineNo">382</span>  // These static methods are currently 
used where it's impractical to<a name="line.382"></a>
+<span class="sourceLineNo">383</span>  // untangle the reliance on state in 
the filesystem. They rely on singleton<a name="line.383"></a>
+<span class="sourceLineNo">384</span>  // WALFactory that just provides Reader 
/ Writers.<a name="line.384"></a>
+<span class="sourceLineNo">385</span>  // For now, first Configuration object 
wins. Practically this just impacts the reader/writer class<a 
name="line.385"></a>
+<span class="sourceLineNo">386</span>  private static final 
AtomicReference&lt;WALFactory&gt; singleton = new AtomicReference&lt;&gt;();<a 
name="line.386"></a>
+<span class="sourceLineNo">387</span>  private static final String 
SINGLETON_ID = WALFactory.class.getName();<a name="line.387"></a>
+<span class="sourceLineNo">388</span>  <a name="line.388"></a>
+<span class="sourceLineNo">389</span>  // Public only for FSHLog<a 
name="line.389"></a>
+<span class="sourceLineNo">390</span>  public static WALFactory 
getInstance(Configuration configuration) {<a name="line.390"></a>
+<span class="sourceLineNo">391</span>    WALFactory factory = 
singleton.get();<a name="line.391"></a>
+<span class="sourceLineNo">392</span>    if (null == factory) {<a 
name="line.392"></a>
+<span class="sourceLineNo">393</span>      WALFactory temp = new 
WALFactory(configuration);<a name="line.393"></a>
+<span class="sourceLineNo">394</span>      if (singleton.compareAndSet(null, 
temp)) {<a name="line.394"></a>
+<span class="sourceLineNo">395</span>        factory = temp;<a 
name="line.395"></a>
+<span class="sourceLineNo">396</span>      } else {<a name="line.396"></a>
+<span class="sourceLineNo">397</span>        // someone else beat us to 
initializing<a name="line.397"></a>
+<span class="sourceLineNo">398</span>        try {<a name="line.398"></a>
+<span class="sourceLineNo">399</span>          temp.close();<a 
name="line.399"></a>
+<span class="sourceLineNo">400</span>        } catch (IOException exception) 
{<a name="line.400"></a>
+<span class="sourceLineNo">401</span>          LOG.debug("failed to close 
temporary singleton. ignoring.", exception);<a name="line.401"></a>
+<span class="sourceLineNo">402</span>        }<a name="line.402"></a>
+<span class="sourceLineNo">403</span>        factory = singleton.get();<a 
name="line.403"></a>
+<span class="sourceLineNo">404</span>      }<a name="line.404"></a>
+<span class="sourceLineNo">405</span>    }<a name="line.405"></a>
+<span class="sourceLineNo">406</span>    return factory;<a name="line.406"></a>
+<span class="sourceLineNo">407</span>  }<a name="line.407"></a>
+<span class="sourceLineNo">408</span><a name="line.408"></a>
+<span class="sourceLineNo">409</span>  /**<a name="line.409"></a>
+<span class="sourceLineNo">410</span>   * Create a reader for the given path, 
accept custom reader classes from conf.<a name="line.410"></a>
+<span class="sourceLineNo">411</span>   * If you already have a WALFactory, 
you should favor the instance method.<a name="line.411"></a>
+<span class="sourceLineNo">412</span>   * @return a WAL Reader, caller must 
close.<a name="line.412"></a>
+<span class="sourceLineNo">413</span>   */<a name="line.413"></a>
+<span class="sourceLineNo">414</span>  public static Reader createReader(final 
FileSystem fs, final Path path,<a name="line.414"></a>
+<span class="sourceLineNo">415</span>      final Configuration configuration) 
throws IOException {<a name="line.415"></a>
+<span class="sourceLineNo">416</span>    return 
getInstance(configuration).createReader(fs, path);<a name="line.416"></a>
+<span class="sourceLineNo">417</span>  }<a name="line.417"></a>
+<span class="sourceLineNo">418</span><a name="line.418"></a>
+<span class="sourceLineNo">419</span>  /**<a name="line.419"></a>
+<span class="sourceLineNo">420</span>   * Create a reader for the given path, 
accept custom reader classes from conf.<a name="line.420"></a>
+<span class="sourceLineNo">421</span>   * If you already have a WALFactory, 
you should favor the instance method.<a name="line.421"></a>
+<span class="sourceLineNo">422</span>   * @return a WAL Reader, caller must 
close.<a name="line.422"></a>
+<span class="sourceLineNo">423</span>   */<a name="line.423"></a>
+<span class="sourceLineNo">424</span>  static Reader createReader(final 
FileSystem fs, final Path path,<a name="line.424"></a>
+<span class="sourceLineNo">425</span>      final Configuration configuration, 
final CancelableProgressable reporter) throws IOException {<a 
name="line.425"></a>
+<span class="sourceLineNo">426</span>    return 
getInstance(configuration).createReader(fs, path, reporter);<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>   * Create a reader for the given path, 
ignore custom reader classes from conf.<a name="line.430"></a>
+<span class="sourceLineNo">431</span>   * If you already have a WALFactory, 
you should favor the instance method.<a name="line.431"></a>
+<span class="sourceLineNo">432</span>   * only public pending move of {@link 
org.apache.hadoop.hbase.regionserver.wal.Compressor}<a name="line.432"></a>
+<span class="sourceLineNo">433</span>   * @return a WAL Reader, caller must 
close.<a name="line.433"></a>
+<span class="sourceLineNo">434</span>   */<a name="line.434"></a>
+<span class="sourceLineNo">435</span>  public static Reader 
createReaderIgnoreCustomClass(final FileSystem fs, final Path path,<a 
name="line.435"></a>
+<span class="sourceLineNo">436</span>      final Configuration configuration) 
throws IOException {<a name="line.436"></a>
+<span class="sourceLineNo">437</span>    return 
getInstance(configuration).createReader(fs, path, null, false);<a 
name="line.437"></a>
+<span class="sourceLineNo">438</span>  }<a name="line.438"></a>
+<span class="sourceLineNo">439</span><a name="line.439"></a>
+<span class="sourceLineNo">440</span>  /**<a name="line.440"></a>
+<span class="sourceLineNo">441</span>   * If you already have a WALFactory, 
you should favor the instance method.<a name="line.441"></a>
+<span class="sourceLineNo">442</span>   * Uses defaults.<a name="line.442"></a>
+<span class="sourceLineNo">443</span>   * @return a Writer that will overwrite 
files. Caller must close.<a name="line.443"></a>
+<span class="sourceLineNo">444</span>   */<a name="line.444"></a>
+<span class="sourceLineNo">445</span>  static Writer 
createRecoveredEditsWriter(final FileSystem fs, final Path path,<a 
name="line.445"></a>
+<span class="sourceLineNo">446</span>      final Configuration 
configuration)<a name="line.446"></a>
+<span class="sourceLineNo">447</span>      throws IOException {<a 
name="line.447"></a>
+<span class="sourceLineNo">448</span>    return 
FSHLogProvider.createWriter(configuration, fs, path, true);<a 
name="line.448"></a>
+<span class="sourceLineNo">449</span>  }<a name="line.449"></a>
+<span class="sourceLineNo">450</span><a name="line.450"></a>
+<span class="sourceLineNo">451</span>  /**<a name="line.451"></a>
+<span class="sourceLineNo">452</span>   * If you already have a WALFactory, 
you should favor the instance method.<a name="line.452"></a>
+<span class="sourceLineNo">453</span>   * Uses defaults.<a name="line.453"></a>
+<span class="sourceLineNo">454</span>   * @return a writer that won't 
overwrite files. Caller must close.<a name="line.454"></a>
+<span class="sourceLineNo">455</span>   */<a name="line.455"></a>
+<span class="sourceLineNo">456</span>  @VisibleForTesting<a 
name="line.456"></a>
+<span class="sourceLineNo">457</span>  public static Writer 
createWALWriter(final FileSystem fs, final Path path,<a name="line.457"></a>
+<span class="sourceLineNo">458</span>      final Configuration 
configuration)<a name="line.458"></a>
+<span class="sourceLineNo">459</span>      throws IOException {<a 
name="line.459"></a>
+<span class="sourceLineNo">460</span>    return 
FSHLogProvider.createWriter(configuration, fs, path, false);<a 
name="line.460"></a>
+<span class="sourceLineNo">461</span>  }<a name="line.461"></a>
+<span class="sourceLineNo">462</span><a name="line.462"></a>
+<span class="sourceLineNo">463</span>  public final WALProvider 
getWALProvider() {<a name="line.463"></a>
+<span class="sourceLineNo">464</span>    return this.provider;<a 
name="line.464"></a>
+<span class="sourceLineNo">465</span>  }<a name="line.465"></a>
+<span class="sourceLineNo">466</span><a name="line.466"></a>
+<span class="sourceLineNo">467</span>  public final WALProvider 
getMetaWALProvider() {<a name="line.467"></a>
+<span class="sourceLineNo">468</span>    return this.metaProvider.get();<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>
 
 
 

http://git-wip-us.apache.org/repos/asf/hbase-site/blob/7cf6034b/downloads.html
----------------------------------------------------------------------
diff --git a/downloads.html b/downloads.html
index 4b721d2..3cacc07 100644
--- a/downloads.html
+++ b/downloads.html
@@ -7,7 +7,7 @@
   <head>
     <meta charset="UTF-8" />
     <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-    <meta name="Date-Revision-yyyymmdd" content="20180801" />
+    <meta name="Date-Revision-yyyymmdd" content="20180802" />
     <meta http-equiv="Content-Language" content="en" />
     <title>Apache HBase &#x2013; Apache HBase Downloads</title>
     <link rel="stylesheet" href="./css/apache-maven-fluido-1.5-HBASE.min.css" 
/>
@@ -423,7 +423,7 @@ under the License. -->
                         <a href="https://www.apache.org/";>The Apache Software 
Foundation</a>.
             All rights reserved.      
                     
-                  <li id="publishDate" class="pull-right">Last Published: 
2018-08-01</li>
+                  <li id="publishDate" class="pull-right">Last Published: 
2018-08-02</li>
             </p>
                 </div>
 

http://git-wip-us.apache.org/repos/asf/hbase-site/blob/7cf6034b/export_control.html
----------------------------------------------------------------------
diff --git a/export_control.html b/export_control.html
index b77cbb9..04aa869 100644
--- a/export_control.html
+++ b/export_control.html
@@ -7,7 +7,7 @@
   <head>
     <meta charset="UTF-8" />
     <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-    <meta name="Date-Revision-yyyymmdd" content="20180801" />
+    <meta name="Date-Revision-yyyymmdd" content="20180802" />
     <meta http-equiv="Content-Language" content="en" />
     <title>Apache HBase &#x2013; 
       Export Control
@@ -331,7 +331,7 @@ for more details.</p>
                         <a href="https://www.apache.org/";>The Apache Software 
Foundation</a>.
             All rights reserved.      
                     
-                  <li id="publishDate" class="pull-right">Last Published: 
2018-08-01</li>
+                  <li id="publishDate" class="pull-right">Last Published: 
2018-08-02</li>
             </p>
                 </div>
 

http://git-wip-us.apache.org/repos/asf/hbase-site/blob/7cf6034b/index.html
----------------------------------------------------------------------
diff --git a/index.html b/index.html
index e942efd..8e1b388 100644
--- a/index.html
+++ b/index.html
@@ -7,7 +7,7 @@
   <head>
     <meta charset="UTF-8" />
     <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-    <meta name="Date-Revision-yyyymmdd" content="20180801" />
+    <meta name="Date-Revision-yyyymmdd" content="20180802" />
     <meta http-equiv="Content-Language" content="en" />
     <title>Apache HBase &#x2013; Apache HBase™ Home</title>
     <link rel="stylesheet" href="./css/apache-maven-fluido-1.5-HBASE.min.css" 
/>
@@ -411,7 +411,7 @@ Apache HBase is an open-source, distributed, versioned, 
non-relational database
                         <a href="https://www.apache.org/";>The Apache Software 
Foundation</a>.
             All rights reserved.      
                     
-                  <li id="publishDate" class="pull-right">Last Published: 
2018-08-01</li>
+                  <li id="publishDate" class="pull-right">Last Published: 
2018-08-02</li>
             </p>
                 </div>
 

http://git-wip-us.apache.org/repos/asf/hbase-site/blob/7cf6034b/integration.html
----------------------------------------------------------------------
diff --git a/integration.html b/integration.html
index f4412be..e6bc91d 100644
--- a/integration.html
+++ b/integration.html
@@ -7,7 +7,7 @@
   <head>
     <meta charset="UTF-8" />
     <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-    <meta name="Date-Revision-yyyymmdd" content="20180801" />
+    <meta name="Date-Revision-yyyymmdd" content="20180802" />
     <meta http-equiv="Content-Language" content="en" />
     <title>Apache HBase &#x2013; CI Management</title>
     <link rel="stylesheet" href="./css/apache-maven-fluido-1.5-HBASE.min.css" 
/>
@@ -291,7 +291,7 @@
                         <a href="https://www.apache.org/";>The Apache Software 
Foundation</a>.
             All rights reserved.      
                     
-                  <li id="publishDate" class="pull-right">Last Published: 
2018-08-01</li>
+                  <li id="publishDate" class="pull-right">Last Published: 
2018-08-02</li>
             </p>
                 </div>
 

http://git-wip-us.apache.org/repos/asf/hbase-site/blob/7cf6034b/issue-tracking.html
----------------------------------------------------------------------
diff --git a/issue-tracking.html b/issue-tracking.html
index 0138919..5748e0f 100644
--- a/issue-tracking.html
+++ b/issue-tracking.html
@@ -7,7 +7,7 @@
   <head>
     <meta charset="UTF-8" />
     <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-    <meta name="Date-Revision-yyyymmdd" content="20180801" />
+    <meta name="Date-Revision-yyyymmdd" content="20180802" />
     <meta http-equiv="Content-Language" content="en" />
     <title>Apache HBase &#x2013; Issue Management</title>
     <link rel="stylesheet" href="./css/apache-maven-fluido-1.5-HBASE.min.css" 
/>
@@ -288,7 +288,7 @@
                         <a href="https://www.apache.org/";>The Apache Software 
Foundation</a>.
             All rights reserved.      
                     
-                  <li id="publishDate" class="pull-right">Last Published: 
2018-08-01</li>
+                  <li id="publishDate" class="pull-right">Last Published: 
2018-08-02</li>
             </p>
                 </div>
 

http://git-wip-us.apache.org/repos/asf/hbase-site/blob/7cf6034b/license.html
----------------------------------------------------------------------
diff --git a/license.html b/license.html
index fb4e2fd..bdfe998 100644
--- a/license.html
+++ b/license.html
@@ -7,7 +7,7 @@
   <head>
     <meta charset="UTF-8" />
     <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-    <meta name="Date-Revision-yyyymmdd" content="20180801" />
+    <meta name="Date-Revision-yyyymmdd" content="20180802" />
     <meta http-equiv="Content-Language" content="en" />
     <title>Apache HBase &#x2013; Project Licenses</title>
     <link rel="stylesheet" href="./css/apache-maven-fluido-1.5-HBASE.min.css" 
/>
@@ -491,7 +491,7 @@
                         <a href="https://www.apache.org/";>The Apache Software 
Foundation</a>.
             All rights reserved.      
                     
-                  <li id="publishDate" class="pull-right">Last Published: 
2018-08-01</li>
+                  <li id="publishDate" class="pull-right">Last Published: 
2018-08-02</li>
             </p>
                 </div>
 

http://git-wip-us.apache.org/repos/asf/hbase-site/blob/7cf6034b/mail-lists.html
----------------------------------------------------------------------
diff --git a/mail-lists.html b/mail-lists.html
index 6bdba55..428a3f1 100644
--- a/mail-lists.html
+++ b/mail-lists.html
@@ -7,7 +7,7 @@
   <head>
     <meta charset="UTF-8" />
     <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-    <meta name="Date-Revision-yyyymmdd" content="20180801" />
+    <meta name="Date-Revision-yyyymmdd" content="20180802" />
     <meta http-equiv="Content-Language" content="en" />
     <title>Apache HBase &#x2013; Project Mailing Lists</title>
     <link rel="stylesheet" href="./css/apache-maven-fluido-1.5-HBASE.min.css" 
/>
@@ -341,7 +341,7 @@
                         <a href="https://www.apache.org/";>The Apache Software 
Foundation</a>.
             All rights reserved.      
                     
-                  <li id="publishDate" class="pull-right">Last Published: 
2018-08-01</li>
+                  <li id="publishDate" class="pull-right">Last Published: 
2018-08-02</li>
             </p>
                 </div>
 

http://git-wip-us.apache.org/repos/asf/hbase-site/blob/7cf6034b/metrics.html
----------------------------------------------------------------------
diff --git a/metrics.html b/metrics.html
index 8015deb..afa6d18 100644
--- a/metrics.html
+++ b/metrics.html
@@ -7,7 +7,7 @@
   <head>
     <meta charset="UTF-8" />
     <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-    <meta name="Date-Revision-yyyymmdd" content="20180801" />
+    <meta name="Date-Revision-yyyymmdd" content="20180802" />
     <meta http-equiv="Content-Language" content="en" />
     <title>Apache HBase &#x2013;  
       Apache HBase (TM) Metrics
@@ -459,7 +459,7 @@ export HBASE_REGIONSERVER_OPTS=&quot;$HBASE_JMX_OPTS 
-Dcom.sun.management.jmxrem
                         <a href="https://www.apache.org/";>The Apache Software 
Foundation</a>.
             All rights reserved.      
                     
-                  <li id="publishDate" class="pull-right">Last Published: 
2018-08-01</li>
+                  <li id="publishDate" class="pull-right">Last Published: 
2018-08-02</li>
             </p>
                 </div>
 

http://git-wip-us.apache.org/repos/asf/hbase-site/blob/7cf6034b/old_news.html
----------------------------------------------------------------------
diff --git a/old_news.html b/old_news.html
index c1b892e..10c2753 100644
--- a/old_news.html
+++ b/old_news.html
@@ -7,7 +7,7 @@
   <head>
     <meta charset="UTF-8" />
     <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-    <meta name="Date-Revision-yyyymmdd" content="20180801" />
+    <meta name="Date-Revision-yyyymmdd" content="20180802" />
     <meta http-equiv="Content-Language" content="en" />
     <title>Apache HBase &#x2013; 
       Old Apache HBase (TM) News
@@ -440,7 +440,7 @@ under the License. -->
                         <a href="https://www.apache.org/";>The Apache Software 
Foundation</a>.
             All rights reserved.      
                     
-                  <li id="publishDate" class="pull-right">Last Published: 
2018-08-01</li>
+                  <li id="publishDate" class="pull-right">Last Published: 
2018-08-02</li>
             </p>
                 </div>
 

http://git-wip-us.apache.org/repos/asf/hbase-site/blob/7cf6034b/plugin-management.html
----------------------------------------------------------------------
diff --git a/plugin-management.html b/plugin-management.html
index 4662d17..2e52273 100644
--- a/plugin-management.html
+++ b/plugin-management.html
@@ -7,7 +7,7 @@
   <head>
     <meta charset="UTF-8" />
     <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-    <meta name="Date-Revision-yyyymmdd" content="20180801" />
+    <meta name="Date-Revision-yyyymmdd" content="20180802" />
     <meta http-equiv="Content-Language" content="en" />
     <title>Apache HBase &#x2013; Project Plugin Management</title>
     <link rel="stylesheet" href="./css/apache-maven-fluido-1.5-HBASE.min.css" 
/>
@@ -440,7 +440,7 @@
                         <a href="https://www.apache.org/";>The Apache Software 
Foundation</a>.
             All rights reserved.      
                     
-                  <li id="publishDate" class="pull-right">Last Published: 
2018-08-01</li>
+                  <li id="publishDate" class="pull-right">Last Published: 
2018-08-02</li>
             </p>
                 </div>
 

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