http://git-wip-us.apache.org/repos/asf/hbase-site/blob/aa7ffc92/devapidocs/src-html/org/apache/hadoop/hbase/backup/regionserver/LogRollRegionServerProcedureManager.BackupSubprocedureBuilder.html ---------------------------------------------------------------------- diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/backup/regionserver/LogRollRegionServerProcedureManager.BackupSubprocedureBuilder.html b/devapidocs/src-html/org/apache/hadoop/hbase/backup/regionserver/LogRollRegionServerProcedureManager.BackupSubprocedureBuilder.html index 2d7a3e0..2c2ce10 100644 --- a/devapidocs/src-html/org/apache/hadoop/hbase/backup/regionserver/LogRollRegionServerProcedureManager.BackupSubprocedureBuilder.html +++ b/devapidocs/src-html/org/apache/hadoop/hbase/backup/regionserver/LogRollRegionServerProcedureManager.BackupSubprocedureBuilder.html @@ -35,14 +35,14 @@ <span class="sourceLineNo">027</span>import org.apache.hadoop.hbase.backup.impl.BackupManager;<a name="line.27"></a> <span class="sourceLineNo">028</span>import org.apache.hadoop.hbase.backup.master.LogRollMasterProcedureManager;<a name="line.28"></a> <span class="sourceLineNo">029</span>import org.apache.hadoop.hbase.coordination.ZkCoordinatedStateManager;<a name="line.29"></a> -<span class="sourceLineNo">030</span>import org.apache.yetus.audience.InterfaceAudience;<a name="line.30"></a> -<span class="sourceLineNo">031</span>import org.apache.hadoop.hbase.errorhandling.ForeignExceptionDispatcher;<a name="line.31"></a> -<span class="sourceLineNo">032</span>import org.apache.hadoop.hbase.procedure.ProcedureMember;<a name="line.32"></a> -<span class="sourceLineNo">033</span>import org.apache.hadoop.hbase.procedure.ProcedureMemberRpcs;<a name="line.33"></a> -<span class="sourceLineNo">034</span>import org.apache.hadoop.hbase.procedure.RegionServerProcedureManager;<a name="line.34"></a> -<span class="sourceLineNo">035</span>import org.apache.hadoop.hbase.procedure.Subprocedure;<a name="line.35"></a> -<span class="sourceLineNo">036</span>import org.apache.hadoop.hbase.procedure.SubprocedureFactory;<a name="line.36"></a> -<span class="sourceLineNo">037</span>import org.apache.hadoop.hbase.regionserver.RegionServerServices;<a name="line.37"></a> +<span class="sourceLineNo">030</span>import org.apache.hadoop.hbase.errorhandling.ForeignExceptionDispatcher;<a name="line.30"></a> +<span class="sourceLineNo">031</span>import org.apache.hadoop.hbase.procedure.ProcedureMember;<a name="line.31"></a> +<span class="sourceLineNo">032</span>import org.apache.hadoop.hbase.procedure.ProcedureMemberRpcs;<a name="line.32"></a> +<span class="sourceLineNo">033</span>import org.apache.hadoop.hbase.procedure.RegionServerProcedureManager;<a name="line.33"></a> +<span class="sourceLineNo">034</span>import org.apache.hadoop.hbase.procedure.Subprocedure;<a name="line.34"></a> +<span class="sourceLineNo">035</span>import org.apache.hadoop.hbase.procedure.SubprocedureFactory;<a name="line.35"></a> +<span class="sourceLineNo">036</span>import org.apache.hadoop.hbase.regionserver.RegionServerServices;<a name="line.36"></a> +<span class="sourceLineNo">037</span>import org.apache.yetus.audience.InterfaceAudience;<a name="line.37"></a> <span class="sourceLineNo">038</span>import org.apache.zookeeper.KeeperException;<a name="line.38"></a> <span class="sourceLineNo">039</span>import org.slf4j.Logger;<a name="line.39"></a> <span class="sourceLineNo">040</span>import org.slf4j.LoggerFactory;<a name="line.40"></a> @@ -60,134 +60,129 @@ <span class="sourceLineNo">052</span> */<a name="line.52"></a> <span class="sourceLineNo">053</span>@InterfaceAudience.Private<a name="line.53"></a> <span class="sourceLineNo">054</span>public class LogRollRegionServerProcedureManager extends RegionServerProcedureManager {<a name="line.54"></a> -<span class="sourceLineNo">055</span><a name="line.55"></a> -<span class="sourceLineNo">056</span> private static final Logger LOG =<a name="line.56"></a> -<span class="sourceLineNo">057</span> LoggerFactory.getLogger(LogRollRegionServerProcedureManager.class);<a name="line.57"></a> -<span class="sourceLineNo">058</span><a name="line.58"></a> -<span class="sourceLineNo">059</span> /** Conf key for number of request threads to start backup on region servers */<a name="line.59"></a> -<span class="sourceLineNo">060</span> public static final String BACKUP_REQUEST_THREADS_KEY = "hbase.backup.region.pool.threads";<a name="line.60"></a> -<span class="sourceLineNo">061</span> /** # of threads for backup work on the rs. */<a name="line.61"></a> -<span class="sourceLineNo">062</span> public static final int BACKUP_REQUEST_THREADS_DEFAULT = 10;<a name="line.62"></a> -<span class="sourceLineNo">063</span><a name="line.63"></a> -<span class="sourceLineNo">064</span> public static final String BACKUP_TIMEOUT_MILLIS_KEY = "hbase.backup.timeout";<a name="line.64"></a> -<span class="sourceLineNo">065</span> public static final long BACKUP_TIMEOUT_MILLIS_DEFAULT = 60000;<a name="line.65"></a> -<span class="sourceLineNo">066</span><a name="line.66"></a> -<span class="sourceLineNo">067</span> /** Conf key for millis between checks to see if backup work completed or if there are errors */<a name="line.67"></a> -<span class="sourceLineNo">068</span> public static final String BACKUP_REQUEST_WAKE_MILLIS_KEY = "hbase.backup.region.wakefrequency";<a name="line.68"></a> -<span class="sourceLineNo">069</span> /** Default amount of time to check for errors while regions finish backup work */<a name="line.69"></a> -<span class="sourceLineNo">070</span> private static final long BACKUP_REQUEST_WAKE_MILLIS_DEFAULT = 500;<a name="line.70"></a> -<span class="sourceLineNo">071</span><a name="line.71"></a> -<span class="sourceLineNo">072</span> private RegionServerServices rss;<a name="line.72"></a> -<span class="sourceLineNo">073</span> private ProcedureMemberRpcs memberRpcs;<a name="line.73"></a> -<span class="sourceLineNo">074</span> private ProcedureMember member;<a name="line.74"></a> -<span class="sourceLineNo">075</span> private boolean started = false;<a name="line.75"></a> -<span class="sourceLineNo">076</span><a name="line.76"></a> -<span class="sourceLineNo">077</span> /**<a name="line.77"></a> -<span class="sourceLineNo">078</span> * Create a default backup procedure manager<a name="line.78"></a> -<span class="sourceLineNo">079</span> */<a name="line.79"></a> -<span class="sourceLineNo">080</span> public LogRollRegionServerProcedureManager() {<a name="line.80"></a> -<span class="sourceLineNo">081</span> }<a name="line.81"></a> -<span class="sourceLineNo">082</span><a name="line.82"></a> -<span class="sourceLineNo">083</span> /**<a name="line.83"></a> -<span class="sourceLineNo">084</span> * Start accepting backup procedure requests.<a name="line.84"></a> -<span class="sourceLineNo">085</span> */<a name="line.85"></a> -<span class="sourceLineNo">086</span> @Override<a name="line.86"></a> -<span class="sourceLineNo">087</span> public void start() {<a name="line.87"></a> -<span class="sourceLineNo">088</span> if (!BackupManager.isBackupEnabled(rss.getConfiguration())) {<a name="line.88"></a> -<span class="sourceLineNo">089</span> LOG.warn("Backup is not enabled. Check your " + BackupRestoreConstants.BACKUP_ENABLE_KEY<a name="line.89"></a> -<span class="sourceLineNo">090</span> + " setting");<a name="line.90"></a> -<span class="sourceLineNo">091</span> return;<a name="line.91"></a> -<span class="sourceLineNo">092</span> }<a name="line.92"></a> -<span class="sourceLineNo">093</span> this.memberRpcs.start(rss.getServerName().toString(), member);<a name="line.93"></a> -<span class="sourceLineNo">094</span> started = true;<a name="line.94"></a> -<span class="sourceLineNo">095</span> LOG.info("Started region server backup manager.");<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> * Close <tt>this</tt> and all running backup procedure tasks<a name="line.99"></a> -<span class="sourceLineNo">100</span> * @param force forcefully stop all running tasks<a name="line.100"></a> -<span class="sourceLineNo">101</span> * @throws IOException exception<a name="line.101"></a> -<span class="sourceLineNo">102</span> */<a name="line.102"></a> -<span class="sourceLineNo">103</span> @Override<a name="line.103"></a> -<span class="sourceLineNo">104</span> public void stop(boolean force) throws IOException {<a name="line.104"></a> -<span class="sourceLineNo">105</span> if (!started) {<a name="line.105"></a> -<span class="sourceLineNo">106</span> return;<a name="line.106"></a> -<span class="sourceLineNo">107</span> }<a name="line.107"></a> -<span class="sourceLineNo">108</span> String mode = force ? "abruptly" : "gracefully";<a name="line.108"></a> -<span class="sourceLineNo">109</span> LOG.info("Stopping RegionServerBackupManager " + mode + ".");<a name="line.109"></a> -<span class="sourceLineNo">110</span><a name="line.110"></a> -<span class="sourceLineNo">111</span> try {<a name="line.111"></a> -<span class="sourceLineNo">112</span> this.member.close();<a name="line.112"></a> -<span class="sourceLineNo">113</span> } finally {<a name="line.113"></a> -<span class="sourceLineNo">114</span> this.memberRpcs.close();<a name="line.114"></a> -<span class="sourceLineNo">115</span> }<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> /**<a name="line.118"></a> -<span class="sourceLineNo">119</span> * If in a running state, creates the specified subprocedure for handling a backup procedure.<a name="line.119"></a> -<span class="sourceLineNo">120</span> * @return Subprocedure to submit to the ProcedureMemeber.<a name="line.120"></a> -<span class="sourceLineNo">121</span> */<a name="line.121"></a> -<span class="sourceLineNo">122</span> public Subprocedure buildSubprocedure(byte[] data) {<a name="line.122"></a> -<span class="sourceLineNo">123</span><a name="line.123"></a> -<span class="sourceLineNo">124</span> // don't run a backup if the parent is stop(ping)<a name="line.124"></a> -<span class="sourceLineNo">125</span> if (rss.isStopping() || rss.isStopped()) {<a name="line.125"></a> -<span class="sourceLineNo">126</span> throw new IllegalStateException("Can't start backup procedure on RS: " + rss.getServerName()<a name="line.126"></a> -<span class="sourceLineNo">127</span> + ", because stopping/stopped!");<a name="line.127"></a> -<span class="sourceLineNo">128</span> }<a name="line.128"></a> -<span class="sourceLineNo">129</span><a name="line.129"></a> -<span class="sourceLineNo">130</span> LOG.info("Attempting to run a roll log procedure for backup.");<a name="line.130"></a> -<span class="sourceLineNo">131</span> ForeignExceptionDispatcher errorDispatcher = new ForeignExceptionDispatcher();<a name="line.131"></a> -<span class="sourceLineNo">132</span> Configuration conf = rss.getConfiguration();<a name="line.132"></a> -<span class="sourceLineNo">133</span> long timeoutMillis = conf.getLong(BACKUP_TIMEOUT_MILLIS_KEY, BACKUP_TIMEOUT_MILLIS_DEFAULT);<a name="line.133"></a> -<span class="sourceLineNo">134</span> long wakeMillis =<a name="line.134"></a> -<span class="sourceLineNo">135</span> conf.getLong(BACKUP_REQUEST_WAKE_MILLIS_KEY, BACKUP_REQUEST_WAKE_MILLIS_DEFAULT);<a name="line.135"></a> -<span class="sourceLineNo">136</span><a name="line.136"></a> -<span class="sourceLineNo">137</span> LogRollBackupSubprocedurePool taskManager =<a name="line.137"></a> -<span class="sourceLineNo">138</span> new LogRollBackupSubprocedurePool(rss.getServerName().toString(), conf);<a name="line.138"></a> -<span class="sourceLineNo">139</span> return new LogRollBackupSubprocedure(rss, member, errorDispatcher, wakeMillis, timeoutMillis,<a name="line.139"></a> -<span class="sourceLineNo">140</span> taskManager, data);<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><a name="line.143"></a> -<span class="sourceLineNo">144</span> /**<a name="line.144"></a> -<span class="sourceLineNo">145</span> * Build the actual backup procedure runner that will do all the 'hard' work<a name="line.145"></a> -<span class="sourceLineNo">146</span> */<a name="line.146"></a> -<span class="sourceLineNo">147</span> public class BackupSubprocedureBuilder implements SubprocedureFactory {<a name="line.147"></a> -<span class="sourceLineNo">148</span><a name="line.148"></a> -<span class="sourceLineNo">149</span> @Override<a name="line.149"></a> -<span class="sourceLineNo">150</span> public Subprocedure buildSubprocedure(String name, byte[] data) {<a name="line.150"></a> -<span class="sourceLineNo">151</span> return LogRollRegionServerProcedureManager.this.buildSubprocedure(data);<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><a name="line.154"></a> -<span class="sourceLineNo">155</span> @Override<a name="line.155"></a> -<span class="sourceLineNo">156</span> public void initialize(RegionServerServices rss) throws KeeperException {<a name="line.156"></a> -<span class="sourceLineNo">157</span> this.rss = rss;<a name="line.157"></a> -<span class="sourceLineNo">158</span> if (!BackupManager.isBackupEnabled(rss.getConfiguration())) {<a name="line.158"></a> -<span class="sourceLineNo">159</span> LOG.warn("Backup is not enabled. Check your " + BackupRestoreConstants.BACKUP_ENABLE_KEY<a name="line.159"></a> -<span class="sourceLineNo">160</span> + " setting");<a name="line.160"></a> -<span class="sourceLineNo">161</span> return;<a name="line.161"></a> -<span class="sourceLineNo">162</span> }<a name="line.162"></a> -<span class="sourceLineNo">163</span> CoordinatedStateManager coordManager = new ZkCoordinatedStateManager(rss);<a name="line.163"></a> -<span class="sourceLineNo">164</span> this.memberRpcs = coordManager<a name="line.164"></a> -<span class="sourceLineNo">165</span> .getProcedureMemberRpcs(LogRollMasterProcedureManager.ROLLLOG_PROCEDURE_SIGNATURE);<a name="line.165"></a> -<span class="sourceLineNo">166</span><a name="line.166"></a> -<span class="sourceLineNo">167</span> // read in the backup handler configuration properties<a name="line.167"></a> -<span class="sourceLineNo">168</span> Configuration conf = rss.getConfiguration();<a name="line.168"></a> -<span class="sourceLineNo">169</span> long keepAlive = conf.getLong(BACKUP_TIMEOUT_MILLIS_KEY, BACKUP_TIMEOUT_MILLIS_DEFAULT);<a name="line.169"></a> -<span class="sourceLineNo">170</span> int opThreads = conf.getInt(BACKUP_REQUEST_THREADS_KEY, BACKUP_REQUEST_THREADS_DEFAULT);<a name="line.170"></a> -<span class="sourceLineNo">171</span> // create the actual cohort member<a name="line.171"></a> -<span class="sourceLineNo">172</span> ThreadPoolExecutor pool =<a name="line.172"></a> -<span class="sourceLineNo">173</span> ProcedureMember.defaultPool(rss.getServerName().toString(), opThreads, keepAlive);<a name="line.173"></a> -<span class="sourceLineNo">174</span> this.member = new ProcedureMember(memberRpcs, pool, new BackupSubprocedureBuilder());<a name="line.174"></a> -<span class="sourceLineNo">175</span> }<a name="line.175"></a> -<span class="sourceLineNo">176</span><a name="line.176"></a> -<span class="sourceLineNo">177</span> @Override<a name="line.177"></a> -<span class="sourceLineNo">178</span> public String getProcedureSignature() {<a name="line.178"></a> -<span class="sourceLineNo">179</span> return "backup-proc";<a name="line.179"></a> -<span class="sourceLineNo">180</span> }<a name="line.180"></a> -<span class="sourceLineNo">181</span><a name="line.181"></a> -<span class="sourceLineNo">182</span>}<a name="line.182"></a> +<span class="sourceLineNo">055</span> private static final Logger LOG =<a name="line.55"></a> +<span class="sourceLineNo">056</span> LoggerFactory.getLogger(LogRollRegionServerProcedureManager.class);<a name="line.56"></a> +<span class="sourceLineNo">057</span><a name="line.57"></a> +<span class="sourceLineNo">058</span> /** Conf key for number of request threads to start backup on region servers */<a name="line.58"></a> +<span class="sourceLineNo">059</span> public static final String BACKUP_REQUEST_THREADS_KEY = "hbase.backup.region.pool.threads";<a name="line.59"></a> +<span class="sourceLineNo">060</span> /** # of threads for backup work on the rs. */<a name="line.60"></a> +<span class="sourceLineNo">061</span> public static final int BACKUP_REQUEST_THREADS_DEFAULT = 10;<a name="line.61"></a> +<span class="sourceLineNo">062</span><a name="line.62"></a> +<span class="sourceLineNo">063</span> public static final String BACKUP_TIMEOUT_MILLIS_KEY = "hbase.backup.timeout";<a name="line.63"></a> +<span class="sourceLineNo">064</span> public static final long BACKUP_TIMEOUT_MILLIS_DEFAULT = 60000;<a name="line.64"></a> +<span class="sourceLineNo">065</span><a name="line.65"></a> +<span class="sourceLineNo">066</span> /** Conf key for millis between checks to see if backup work completed or if there are errors */<a name="line.66"></a> +<span class="sourceLineNo">067</span> public static final String BACKUP_REQUEST_WAKE_MILLIS_KEY = "hbase.backup.region.wakefrequency";<a name="line.67"></a> +<span class="sourceLineNo">068</span> /** Default amount of time to check for errors while regions finish backup work */<a name="line.68"></a> +<span class="sourceLineNo">069</span> private static final long BACKUP_REQUEST_WAKE_MILLIS_DEFAULT = 500;<a name="line.69"></a> +<span class="sourceLineNo">070</span><a name="line.70"></a> +<span class="sourceLineNo">071</span> private RegionServerServices rss;<a name="line.71"></a> +<span class="sourceLineNo">072</span> private ProcedureMemberRpcs memberRpcs;<a name="line.72"></a> +<span class="sourceLineNo">073</span> private ProcedureMember member;<a name="line.73"></a> +<span class="sourceLineNo">074</span> private boolean started = false;<a name="line.74"></a> +<span class="sourceLineNo">075</span><a name="line.75"></a> +<span class="sourceLineNo">076</span> /**<a name="line.76"></a> +<span class="sourceLineNo">077</span> * Create a default backup procedure manager<a name="line.77"></a> +<span class="sourceLineNo">078</span> */<a name="line.78"></a> +<span class="sourceLineNo">079</span> public LogRollRegionServerProcedureManager() {<a name="line.79"></a> +<span class="sourceLineNo">080</span> }<a name="line.80"></a> +<span class="sourceLineNo">081</span><a name="line.81"></a> +<span class="sourceLineNo">082</span> /**<a name="line.82"></a> +<span class="sourceLineNo">083</span> * Start accepting backup procedure requests.<a name="line.83"></a> +<span class="sourceLineNo">084</span> */<a name="line.84"></a> +<span class="sourceLineNo">085</span> @Override<a name="line.85"></a> +<span class="sourceLineNo">086</span> public void start() {<a name="line.86"></a> +<span class="sourceLineNo">087</span> if (!BackupManager.isBackupEnabled(rss.getConfiguration())) {<a name="line.87"></a> +<span class="sourceLineNo">088</span> LOG.warn("Backup is not enabled. Check your " + BackupRestoreConstants.BACKUP_ENABLE_KEY<a name="line.88"></a> +<span class="sourceLineNo">089</span> + " setting");<a name="line.89"></a> +<span class="sourceLineNo">090</span> return;<a name="line.90"></a> +<span class="sourceLineNo">091</span> }<a name="line.91"></a> +<span class="sourceLineNo">092</span> this.memberRpcs.start(rss.getServerName().toString(), member);<a name="line.92"></a> +<span class="sourceLineNo">093</span> started = true;<a name="line.93"></a> +<span class="sourceLineNo">094</span> LOG.info("Started region server backup manager.");<a name="line.94"></a> +<span class="sourceLineNo">095</span> }<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> * Close <tt>this</tt> and all running backup procedure tasks<a name="line.98"></a> +<span class="sourceLineNo">099</span> * @param force forcefully stop all running tasks<a name="line.99"></a> +<span class="sourceLineNo">100</span> * @throws IOException exception<a name="line.100"></a> +<span class="sourceLineNo">101</span> */<a name="line.101"></a> +<span class="sourceLineNo">102</span> @Override<a name="line.102"></a> +<span class="sourceLineNo">103</span> public void stop(boolean force) throws IOException {<a name="line.103"></a> +<span class="sourceLineNo">104</span> if (!started) {<a name="line.104"></a> +<span class="sourceLineNo">105</span> return;<a name="line.105"></a> +<span class="sourceLineNo">106</span> }<a name="line.106"></a> +<span class="sourceLineNo">107</span> String mode = force ? "abruptly" : "gracefully";<a name="line.107"></a> +<span class="sourceLineNo">108</span> LOG.info("Stopping RegionServerBackupManager " + mode + ".");<a name="line.108"></a> +<span class="sourceLineNo">109</span><a name="line.109"></a> +<span class="sourceLineNo">110</span> try {<a name="line.110"></a> +<span class="sourceLineNo">111</span> this.member.close();<a name="line.111"></a> +<span class="sourceLineNo">112</span> } finally {<a name="line.112"></a> +<span class="sourceLineNo">113</span> this.memberRpcs.close();<a name="line.113"></a> +<span class="sourceLineNo">114</span> }<a name="line.114"></a> +<span class="sourceLineNo">115</span> }<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> * If in a running state, creates the specified subprocedure for handling a backup procedure.<a name="line.118"></a> +<span class="sourceLineNo">119</span> * @return Subprocedure to submit to the ProcedureMemeber.<a name="line.119"></a> +<span class="sourceLineNo">120</span> */<a name="line.120"></a> +<span class="sourceLineNo">121</span> public Subprocedure buildSubprocedure(byte[] data) {<a name="line.121"></a> +<span class="sourceLineNo">122</span> // don't run a backup if the parent is stop(ping)<a name="line.122"></a> +<span class="sourceLineNo">123</span> if (rss.isStopping() || rss.isStopped()) {<a name="line.123"></a> +<span class="sourceLineNo">124</span> throw new IllegalStateException("Can't start backup procedure on RS: " + rss.getServerName()<a name="line.124"></a> +<span class="sourceLineNo">125</span> + ", because stopping/stopped!");<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> LOG.info("Attempting to run a roll log procedure for backup.");<a name="line.128"></a> +<span class="sourceLineNo">129</span> ForeignExceptionDispatcher errorDispatcher = new ForeignExceptionDispatcher();<a name="line.129"></a> +<span class="sourceLineNo">130</span> Configuration conf = rss.getConfiguration();<a name="line.130"></a> +<span class="sourceLineNo">131</span> long timeoutMillis = conf.getLong(BACKUP_TIMEOUT_MILLIS_KEY, BACKUP_TIMEOUT_MILLIS_DEFAULT);<a name="line.131"></a> +<span class="sourceLineNo">132</span> long wakeMillis =<a name="line.132"></a> +<span class="sourceLineNo">133</span> conf.getLong(BACKUP_REQUEST_WAKE_MILLIS_KEY, BACKUP_REQUEST_WAKE_MILLIS_DEFAULT);<a name="line.133"></a> +<span class="sourceLineNo">134</span><a name="line.134"></a> +<span class="sourceLineNo">135</span> LogRollBackupSubprocedurePool taskManager =<a name="line.135"></a> +<span class="sourceLineNo">136</span> new LogRollBackupSubprocedurePool(rss.getServerName().toString(), conf);<a name="line.136"></a> +<span class="sourceLineNo">137</span> return new LogRollBackupSubprocedure(rss, member, errorDispatcher, wakeMillis, timeoutMillis,<a name="line.137"></a> +<span class="sourceLineNo">138</span> taskManager, data);<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> /**<a name="line.141"></a> +<span class="sourceLineNo">142</span> * Build the actual backup procedure runner that will do all the 'hard' work<a name="line.142"></a> +<span class="sourceLineNo">143</span> */<a name="line.143"></a> +<span class="sourceLineNo">144</span> public class BackupSubprocedureBuilder implements SubprocedureFactory {<a name="line.144"></a> +<span class="sourceLineNo">145</span> @Override<a name="line.145"></a> +<span class="sourceLineNo">146</span> public Subprocedure buildSubprocedure(String name, byte[] data) {<a name="line.146"></a> +<span class="sourceLineNo">147</span> return LogRollRegionServerProcedureManager.this.buildSubprocedure(data);<a name="line.147"></a> +<span class="sourceLineNo">148</span> }<a name="line.148"></a> +<span class="sourceLineNo">149</span> }<a name="line.149"></a> +<span class="sourceLineNo">150</span><a name="line.150"></a> +<span class="sourceLineNo">151</span> @Override<a name="line.151"></a> +<span class="sourceLineNo">152</span> public void initialize(RegionServerServices rss) throws KeeperException {<a name="line.152"></a> +<span class="sourceLineNo">153</span> this.rss = rss;<a name="line.153"></a> +<span class="sourceLineNo">154</span> if (!BackupManager.isBackupEnabled(rss.getConfiguration())) {<a name="line.154"></a> +<span class="sourceLineNo">155</span> LOG.warn("Backup is not enabled. Check your " + BackupRestoreConstants.BACKUP_ENABLE_KEY<a name="line.155"></a> +<span class="sourceLineNo">156</span> + " setting");<a name="line.156"></a> +<span class="sourceLineNo">157</span> return;<a name="line.157"></a> +<span class="sourceLineNo">158</span> }<a name="line.158"></a> +<span class="sourceLineNo">159</span> CoordinatedStateManager coordManager = new ZkCoordinatedStateManager(rss);<a name="line.159"></a> +<span class="sourceLineNo">160</span> this.memberRpcs = coordManager<a name="line.160"></a> +<span class="sourceLineNo">161</span> .getProcedureMemberRpcs(LogRollMasterProcedureManager.ROLLLOG_PROCEDURE_SIGNATURE);<a name="line.161"></a> +<span class="sourceLineNo">162</span><a name="line.162"></a> +<span class="sourceLineNo">163</span> // read in the backup handler configuration properties<a name="line.163"></a> +<span class="sourceLineNo">164</span> Configuration conf = rss.getConfiguration();<a name="line.164"></a> +<span class="sourceLineNo">165</span> long keepAlive = conf.getLong(BACKUP_TIMEOUT_MILLIS_KEY, BACKUP_TIMEOUT_MILLIS_DEFAULT);<a name="line.165"></a> +<span class="sourceLineNo">166</span> int opThreads = conf.getInt(BACKUP_REQUEST_THREADS_KEY, BACKUP_REQUEST_THREADS_DEFAULT);<a name="line.166"></a> +<span class="sourceLineNo">167</span> // create the actual cohort member<a name="line.167"></a> +<span class="sourceLineNo">168</span> ThreadPoolExecutor pool =<a name="line.168"></a> +<span class="sourceLineNo">169</span> ProcedureMember.defaultPool(rss.getServerName().toString(), opThreads, keepAlive);<a name="line.169"></a> +<span class="sourceLineNo">170</span> this.member = new ProcedureMember(memberRpcs, pool, new BackupSubprocedureBuilder());<a name="line.170"></a> +<span class="sourceLineNo">171</span> }<a name="line.171"></a> +<span class="sourceLineNo">172</span><a name="line.172"></a> +<span class="sourceLineNo">173</span> @Override<a name="line.173"></a> +<span class="sourceLineNo">174</span> public String getProcedureSignature() {<a name="line.174"></a> +<span class="sourceLineNo">175</span> return "backup-proc";<a name="line.175"></a> +<span class="sourceLineNo">176</span> }<a name="line.176"></a> +<span class="sourceLineNo">177</span>}<a name="line.177"></a>
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/aa7ffc92/devapidocs/src-html/org/apache/hadoop/hbase/backup/regionserver/LogRollRegionServerProcedureManager.html ---------------------------------------------------------------------- diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/backup/regionserver/LogRollRegionServerProcedureManager.html b/devapidocs/src-html/org/apache/hadoop/hbase/backup/regionserver/LogRollRegionServerProcedureManager.html index 2d7a3e0..2c2ce10 100644 --- a/devapidocs/src-html/org/apache/hadoop/hbase/backup/regionserver/LogRollRegionServerProcedureManager.html +++ b/devapidocs/src-html/org/apache/hadoop/hbase/backup/regionserver/LogRollRegionServerProcedureManager.html @@ -35,14 +35,14 @@ <span class="sourceLineNo">027</span>import org.apache.hadoop.hbase.backup.impl.BackupManager;<a name="line.27"></a> <span class="sourceLineNo">028</span>import org.apache.hadoop.hbase.backup.master.LogRollMasterProcedureManager;<a name="line.28"></a> <span class="sourceLineNo">029</span>import org.apache.hadoop.hbase.coordination.ZkCoordinatedStateManager;<a name="line.29"></a> -<span class="sourceLineNo">030</span>import org.apache.yetus.audience.InterfaceAudience;<a name="line.30"></a> -<span class="sourceLineNo">031</span>import org.apache.hadoop.hbase.errorhandling.ForeignExceptionDispatcher;<a name="line.31"></a> -<span class="sourceLineNo">032</span>import org.apache.hadoop.hbase.procedure.ProcedureMember;<a name="line.32"></a> -<span class="sourceLineNo">033</span>import org.apache.hadoop.hbase.procedure.ProcedureMemberRpcs;<a name="line.33"></a> -<span class="sourceLineNo">034</span>import org.apache.hadoop.hbase.procedure.RegionServerProcedureManager;<a name="line.34"></a> -<span class="sourceLineNo">035</span>import org.apache.hadoop.hbase.procedure.Subprocedure;<a name="line.35"></a> -<span class="sourceLineNo">036</span>import org.apache.hadoop.hbase.procedure.SubprocedureFactory;<a name="line.36"></a> -<span class="sourceLineNo">037</span>import org.apache.hadoop.hbase.regionserver.RegionServerServices;<a name="line.37"></a> +<span class="sourceLineNo">030</span>import org.apache.hadoop.hbase.errorhandling.ForeignExceptionDispatcher;<a name="line.30"></a> +<span class="sourceLineNo">031</span>import org.apache.hadoop.hbase.procedure.ProcedureMember;<a name="line.31"></a> +<span class="sourceLineNo">032</span>import org.apache.hadoop.hbase.procedure.ProcedureMemberRpcs;<a name="line.32"></a> +<span class="sourceLineNo">033</span>import org.apache.hadoop.hbase.procedure.RegionServerProcedureManager;<a name="line.33"></a> +<span class="sourceLineNo">034</span>import org.apache.hadoop.hbase.procedure.Subprocedure;<a name="line.34"></a> +<span class="sourceLineNo">035</span>import org.apache.hadoop.hbase.procedure.SubprocedureFactory;<a name="line.35"></a> +<span class="sourceLineNo">036</span>import org.apache.hadoop.hbase.regionserver.RegionServerServices;<a name="line.36"></a> +<span class="sourceLineNo">037</span>import org.apache.yetus.audience.InterfaceAudience;<a name="line.37"></a> <span class="sourceLineNo">038</span>import org.apache.zookeeper.KeeperException;<a name="line.38"></a> <span class="sourceLineNo">039</span>import org.slf4j.Logger;<a name="line.39"></a> <span class="sourceLineNo">040</span>import org.slf4j.LoggerFactory;<a name="line.40"></a> @@ -60,134 +60,129 @@ <span class="sourceLineNo">052</span> */<a name="line.52"></a> <span class="sourceLineNo">053</span>@InterfaceAudience.Private<a name="line.53"></a> <span class="sourceLineNo">054</span>public class LogRollRegionServerProcedureManager extends RegionServerProcedureManager {<a name="line.54"></a> -<span class="sourceLineNo">055</span><a name="line.55"></a> -<span class="sourceLineNo">056</span> private static final Logger LOG =<a name="line.56"></a> -<span class="sourceLineNo">057</span> LoggerFactory.getLogger(LogRollRegionServerProcedureManager.class);<a name="line.57"></a> -<span class="sourceLineNo">058</span><a name="line.58"></a> -<span class="sourceLineNo">059</span> /** Conf key for number of request threads to start backup on region servers */<a name="line.59"></a> -<span class="sourceLineNo">060</span> public static final String BACKUP_REQUEST_THREADS_KEY = "hbase.backup.region.pool.threads";<a name="line.60"></a> -<span class="sourceLineNo">061</span> /** # of threads for backup work on the rs. */<a name="line.61"></a> -<span class="sourceLineNo">062</span> public static final int BACKUP_REQUEST_THREADS_DEFAULT = 10;<a name="line.62"></a> -<span class="sourceLineNo">063</span><a name="line.63"></a> -<span class="sourceLineNo">064</span> public static final String BACKUP_TIMEOUT_MILLIS_KEY = "hbase.backup.timeout";<a name="line.64"></a> -<span class="sourceLineNo">065</span> public static final long BACKUP_TIMEOUT_MILLIS_DEFAULT = 60000;<a name="line.65"></a> -<span class="sourceLineNo">066</span><a name="line.66"></a> -<span class="sourceLineNo">067</span> /** Conf key for millis between checks to see if backup work completed or if there are errors */<a name="line.67"></a> -<span class="sourceLineNo">068</span> public static final String BACKUP_REQUEST_WAKE_MILLIS_KEY = "hbase.backup.region.wakefrequency";<a name="line.68"></a> -<span class="sourceLineNo">069</span> /** Default amount of time to check for errors while regions finish backup work */<a name="line.69"></a> -<span class="sourceLineNo">070</span> private static final long BACKUP_REQUEST_WAKE_MILLIS_DEFAULT = 500;<a name="line.70"></a> -<span class="sourceLineNo">071</span><a name="line.71"></a> -<span class="sourceLineNo">072</span> private RegionServerServices rss;<a name="line.72"></a> -<span class="sourceLineNo">073</span> private ProcedureMemberRpcs memberRpcs;<a name="line.73"></a> -<span class="sourceLineNo">074</span> private ProcedureMember member;<a name="line.74"></a> -<span class="sourceLineNo">075</span> private boolean started = false;<a name="line.75"></a> -<span class="sourceLineNo">076</span><a name="line.76"></a> -<span class="sourceLineNo">077</span> /**<a name="line.77"></a> -<span class="sourceLineNo">078</span> * Create a default backup procedure manager<a name="line.78"></a> -<span class="sourceLineNo">079</span> */<a name="line.79"></a> -<span class="sourceLineNo">080</span> public LogRollRegionServerProcedureManager() {<a name="line.80"></a> -<span class="sourceLineNo">081</span> }<a name="line.81"></a> -<span class="sourceLineNo">082</span><a name="line.82"></a> -<span class="sourceLineNo">083</span> /**<a name="line.83"></a> -<span class="sourceLineNo">084</span> * Start accepting backup procedure requests.<a name="line.84"></a> -<span class="sourceLineNo">085</span> */<a name="line.85"></a> -<span class="sourceLineNo">086</span> @Override<a name="line.86"></a> -<span class="sourceLineNo">087</span> public void start() {<a name="line.87"></a> -<span class="sourceLineNo">088</span> if (!BackupManager.isBackupEnabled(rss.getConfiguration())) {<a name="line.88"></a> -<span class="sourceLineNo">089</span> LOG.warn("Backup is not enabled. Check your " + BackupRestoreConstants.BACKUP_ENABLE_KEY<a name="line.89"></a> -<span class="sourceLineNo">090</span> + " setting");<a name="line.90"></a> -<span class="sourceLineNo">091</span> return;<a name="line.91"></a> -<span class="sourceLineNo">092</span> }<a name="line.92"></a> -<span class="sourceLineNo">093</span> this.memberRpcs.start(rss.getServerName().toString(), member);<a name="line.93"></a> -<span class="sourceLineNo">094</span> started = true;<a name="line.94"></a> -<span class="sourceLineNo">095</span> LOG.info("Started region server backup manager.");<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> * Close <tt>this</tt> and all running backup procedure tasks<a name="line.99"></a> -<span class="sourceLineNo">100</span> * @param force forcefully stop all running tasks<a name="line.100"></a> -<span class="sourceLineNo">101</span> * @throws IOException exception<a name="line.101"></a> -<span class="sourceLineNo">102</span> */<a name="line.102"></a> -<span class="sourceLineNo">103</span> @Override<a name="line.103"></a> -<span class="sourceLineNo">104</span> public void stop(boolean force) throws IOException {<a name="line.104"></a> -<span class="sourceLineNo">105</span> if (!started) {<a name="line.105"></a> -<span class="sourceLineNo">106</span> return;<a name="line.106"></a> -<span class="sourceLineNo">107</span> }<a name="line.107"></a> -<span class="sourceLineNo">108</span> String mode = force ? "abruptly" : "gracefully";<a name="line.108"></a> -<span class="sourceLineNo">109</span> LOG.info("Stopping RegionServerBackupManager " + mode + ".");<a name="line.109"></a> -<span class="sourceLineNo">110</span><a name="line.110"></a> -<span class="sourceLineNo">111</span> try {<a name="line.111"></a> -<span class="sourceLineNo">112</span> this.member.close();<a name="line.112"></a> -<span class="sourceLineNo">113</span> } finally {<a name="line.113"></a> -<span class="sourceLineNo">114</span> this.memberRpcs.close();<a name="line.114"></a> -<span class="sourceLineNo">115</span> }<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> /**<a name="line.118"></a> -<span class="sourceLineNo">119</span> * If in a running state, creates the specified subprocedure for handling a backup procedure.<a name="line.119"></a> -<span class="sourceLineNo">120</span> * @return Subprocedure to submit to the ProcedureMemeber.<a name="line.120"></a> -<span class="sourceLineNo">121</span> */<a name="line.121"></a> -<span class="sourceLineNo">122</span> public Subprocedure buildSubprocedure(byte[] data) {<a name="line.122"></a> -<span class="sourceLineNo">123</span><a name="line.123"></a> -<span class="sourceLineNo">124</span> // don't run a backup if the parent is stop(ping)<a name="line.124"></a> -<span class="sourceLineNo">125</span> if (rss.isStopping() || rss.isStopped()) {<a name="line.125"></a> -<span class="sourceLineNo">126</span> throw new IllegalStateException("Can't start backup procedure on RS: " + rss.getServerName()<a name="line.126"></a> -<span class="sourceLineNo">127</span> + ", because stopping/stopped!");<a name="line.127"></a> -<span class="sourceLineNo">128</span> }<a name="line.128"></a> -<span class="sourceLineNo">129</span><a name="line.129"></a> -<span class="sourceLineNo">130</span> LOG.info("Attempting to run a roll log procedure for backup.");<a name="line.130"></a> -<span class="sourceLineNo">131</span> ForeignExceptionDispatcher errorDispatcher = new ForeignExceptionDispatcher();<a name="line.131"></a> -<span class="sourceLineNo">132</span> Configuration conf = rss.getConfiguration();<a name="line.132"></a> -<span class="sourceLineNo">133</span> long timeoutMillis = conf.getLong(BACKUP_TIMEOUT_MILLIS_KEY, BACKUP_TIMEOUT_MILLIS_DEFAULT);<a name="line.133"></a> -<span class="sourceLineNo">134</span> long wakeMillis =<a name="line.134"></a> -<span class="sourceLineNo">135</span> conf.getLong(BACKUP_REQUEST_WAKE_MILLIS_KEY, BACKUP_REQUEST_WAKE_MILLIS_DEFAULT);<a name="line.135"></a> -<span class="sourceLineNo">136</span><a name="line.136"></a> -<span class="sourceLineNo">137</span> LogRollBackupSubprocedurePool taskManager =<a name="line.137"></a> -<span class="sourceLineNo">138</span> new LogRollBackupSubprocedurePool(rss.getServerName().toString(), conf);<a name="line.138"></a> -<span class="sourceLineNo">139</span> return new LogRollBackupSubprocedure(rss, member, errorDispatcher, wakeMillis, timeoutMillis,<a name="line.139"></a> -<span class="sourceLineNo">140</span> taskManager, data);<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><a name="line.143"></a> -<span class="sourceLineNo">144</span> /**<a name="line.144"></a> -<span class="sourceLineNo">145</span> * Build the actual backup procedure runner that will do all the 'hard' work<a name="line.145"></a> -<span class="sourceLineNo">146</span> */<a name="line.146"></a> -<span class="sourceLineNo">147</span> public class BackupSubprocedureBuilder implements SubprocedureFactory {<a name="line.147"></a> -<span class="sourceLineNo">148</span><a name="line.148"></a> -<span class="sourceLineNo">149</span> @Override<a name="line.149"></a> -<span class="sourceLineNo">150</span> public Subprocedure buildSubprocedure(String name, byte[] data) {<a name="line.150"></a> -<span class="sourceLineNo">151</span> return LogRollRegionServerProcedureManager.this.buildSubprocedure(data);<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><a name="line.154"></a> -<span class="sourceLineNo">155</span> @Override<a name="line.155"></a> -<span class="sourceLineNo">156</span> public void initialize(RegionServerServices rss) throws KeeperException {<a name="line.156"></a> -<span class="sourceLineNo">157</span> this.rss = rss;<a name="line.157"></a> -<span class="sourceLineNo">158</span> if (!BackupManager.isBackupEnabled(rss.getConfiguration())) {<a name="line.158"></a> -<span class="sourceLineNo">159</span> LOG.warn("Backup is not enabled. Check your " + BackupRestoreConstants.BACKUP_ENABLE_KEY<a name="line.159"></a> -<span class="sourceLineNo">160</span> + " setting");<a name="line.160"></a> -<span class="sourceLineNo">161</span> return;<a name="line.161"></a> -<span class="sourceLineNo">162</span> }<a name="line.162"></a> -<span class="sourceLineNo">163</span> CoordinatedStateManager coordManager = new ZkCoordinatedStateManager(rss);<a name="line.163"></a> -<span class="sourceLineNo">164</span> this.memberRpcs = coordManager<a name="line.164"></a> -<span class="sourceLineNo">165</span> .getProcedureMemberRpcs(LogRollMasterProcedureManager.ROLLLOG_PROCEDURE_SIGNATURE);<a name="line.165"></a> -<span class="sourceLineNo">166</span><a name="line.166"></a> -<span class="sourceLineNo">167</span> // read in the backup handler configuration properties<a name="line.167"></a> -<span class="sourceLineNo">168</span> Configuration conf = rss.getConfiguration();<a name="line.168"></a> -<span class="sourceLineNo">169</span> long keepAlive = conf.getLong(BACKUP_TIMEOUT_MILLIS_KEY, BACKUP_TIMEOUT_MILLIS_DEFAULT);<a name="line.169"></a> -<span class="sourceLineNo">170</span> int opThreads = conf.getInt(BACKUP_REQUEST_THREADS_KEY, BACKUP_REQUEST_THREADS_DEFAULT);<a name="line.170"></a> -<span class="sourceLineNo">171</span> // create the actual cohort member<a name="line.171"></a> -<span class="sourceLineNo">172</span> ThreadPoolExecutor pool =<a name="line.172"></a> -<span class="sourceLineNo">173</span> ProcedureMember.defaultPool(rss.getServerName().toString(), opThreads, keepAlive);<a name="line.173"></a> -<span class="sourceLineNo">174</span> this.member = new ProcedureMember(memberRpcs, pool, new BackupSubprocedureBuilder());<a name="line.174"></a> -<span class="sourceLineNo">175</span> }<a name="line.175"></a> -<span class="sourceLineNo">176</span><a name="line.176"></a> -<span class="sourceLineNo">177</span> @Override<a name="line.177"></a> -<span class="sourceLineNo">178</span> public String getProcedureSignature() {<a name="line.178"></a> -<span class="sourceLineNo">179</span> return "backup-proc";<a name="line.179"></a> -<span class="sourceLineNo">180</span> }<a name="line.180"></a> -<span class="sourceLineNo">181</span><a name="line.181"></a> -<span class="sourceLineNo">182</span>}<a name="line.182"></a> +<span class="sourceLineNo">055</span> private static final Logger LOG =<a name="line.55"></a> +<span class="sourceLineNo">056</span> LoggerFactory.getLogger(LogRollRegionServerProcedureManager.class);<a name="line.56"></a> +<span class="sourceLineNo">057</span><a name="line.57"></a> +<span class="sourceLineNo">058</span> /** Conf key for number of request threads to start backup on region servers */<a name="line.58"></a> +<span class="sourceLineNo">059</span> public static final String BACKUP_REQUEST_THREADS_KEY = "hbase.backup.region.pool.threads";<a name="line.59"></a> +<span class="sourceLineNo">060</span> /** # of threads for backup work on the rs. */<a name="line.60"></a> +<span class="sourceLineNo">061</span> public static final int BACKUP_REQUEST_THREADS_DEFAULT = 10;<a name="line.61"></a> +<span class="sourceLineNo">062</span><a name="line.62"></a> +<span class="sourceLineNo">063</span> public static final String BACKUP_TIMEOUT_MILLIS_KEY = "hbase.backup.timeout";<a name="line.63"></a> +<span class="sourceLineNo">064</span> public static final long BACKUP_TIMEOUT_MILLIS_DEFAULT = 60000;<a name="line.64"></a> +<span class="sourceLineNo">065</span><a name="line.65"></a> +<span class="sourceLineNo">066</span> /** Conf key for millis between checks to see if backup work completed or if there are errors */<a name="line.66"></a> +<span class="sourceLineNo">067</span> public static final String BACKUP_REQUEST_WAKE_MILLIS_KEY = "hbase.backup.region.wakefrequency";<a name="line.67"></a> +<span class="sourceLineNo">068</span> /** Default amount of time to check for errors while regions finish backup work */<a name="line.68"></a> +<span class="sourceLineNo">069</span> private static final long BACKUP_REQUEST_WAKE_MILLIS_DEFAULT = 500;<a name="line.69"></a> +<span class="sourceLineNo">070</span><a name="line.70"></a> +<span class="sourceLineNo">071</span> private RegionServerServices rss;<a name="line.71"></a> +<span class="sourceLineNo">072</span> private ProcedureMemberRpcs memberRpcs;<a name="line.72"></a> +<span class="sourceLineNo">073</span> private ProcedureMember member;<a name="line.73"></a> +<span class="sourceLineNo">074</span> private boolean started = false;<a name="line.74"></a> +<span class="sourceLineNo">075</span><a name="line.75"></a> +<span class="sourceLineNo">076</span> /**<a name="line.76"></a> +<span class="sourceLineNo">077</span> * Create a default backup procedure manager<a name="line.77"></a> +<span class="sourceLineNo">078</span> */<a name="line.78"></a> +<span class="sourceLineNo">079</span> public LogRollRegionServerProcedureManager() {<a name="line.79"></a> +<span class="sourceLineNo">080</span> }<a name="line.80"></a> +<span class="sourceLineNo">081</span><a name="line.81"></a> +<span class="sourceLineNo">082</span> /**<a name="line.82"></a> +<span class="sourceLineNo">083</span> * Start accepting backup procedure requests.<a name="line.83"></a> +<span class="sourceLineNo">084</span> */<a name="line.84"></a> +<span class="sourceLineNo">085</span> @Override<a name="line.85"></a> +<span class="sourceLineNo">086</span> public void start() {<a name="line.86"></a> +<span class="sourceLineNo">087</span> if (!BackupManager.isBackupEnabled(rss.getConfiguration())) {<a name="line.87"></a> +<span class="sourceLineNo">088</span> LOG.warn("Backup is not enabled. Check your " + BackupRestoreConstants.BACKUP_ENABLE_KEY<a name="line.88"></a> +<span class="sourceLineNo">089</span> + " setting");<a name="line.89"></a> +<span class="sourceLineNo">090</span> return;<a name="line.90"></a> +<span class="sourceLineNo">091</span> }<a name="line.91"></a> +<span class="sourceLineNo">092</span> this.memberRpcs.start(rss.getServerName().toString(), member);<a name="line.92"></a> +<span class="sourceLineNo">093</span> started = true;<a name="line.93"></a> +<span class="sourceLineNo">094</span> LOG.info("Started region server backup manager.");<a name="line.94"></a> +<span class="sourceLineNo">095</span> }<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> * Close <tt>this</tt> and all running backup procedure tasks<a name="line.98"></a> +<span class="sourceLineNo">099</span> * @param force forcefully stop all running tasks<a name="line.99"></a> +<span class="sourceLineNo">100</span> * @throws IOException exception<a name="line.100"></a> +<span class="sourceLineNo">101</span> */<a name="line.101"></a> +<span class="sourceLineNo">102</span> @Override<a name="line.102"></a> +<span class="sourceLineNo">103</span> public void stop(boolean force) throws IOException {<a name="line.103"></a> +<span class="sourceLineNo">104</span> if (!started) {<a name="line.104"></a> +<span class="sourceLineNo">105</span> return;<a name="line.105"></a> +<span class="sourceLineNo">106</span> }<a name="line.106"></a> +<span class="sourceLineNo">107</span> String mode = force ? "abruptly" : "gracefully";<a name="line.107"></a> +<span class="sourceLineNo">108</span> LOG.info("Stopping RegionServerBackupManager " + mode + ".");<a name="line.108"></a> +<span class="sourceLineNo">109</span><a name="line.109"></a> +<span class="sourceLineNo">110</span> try {<a name="line.110"></a> +<span class="sourceLineNo">111</span> this.member.close();<a name="line.111"></a> +<span class="sourceLineNo">112</span> } finally {<a name="line.112"></a> +<span class="sourceLineNo">113</span> this.memberRpcs.close();<a name="line.113"></a> +<span class="sourceLineNo">114</span> }<a name="line.114"></a> +<span class="sourceLineNo">115</span> }<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> * If in a running state, creates the specified subprocedure for handling a backup procedure.<a name="line.118"></a> +<span class="sourceLineNo">119</span> * @return Subprocedure to submit to the ProcedureMemeber.<a name="line.119"></a> +<span class="sourceLineNo">120</span> */<a name="line.120"></a> +<span class="sourceLineNo">121</span> public Subprocedure buildSubprocedure(byte[] data) {<a name="line.121"></a> +<span class="sourceLineNo">122</span> // don't run a backup if the parent is stop(ping)<a name="line.122"></a> +<span class="sourceLineNo">123</span> if (rss.isStopping() || rss.isStopped()) {<a name="line.123"></a> +<span class="sourceLineNo">124</span> throw new IllegalStateException("Can't start backup procedure on RS: " + rss.getServerName()<a name="line.124"></a> +<span class="sourceLineNo">125</span> + ", because stopping/stopped!");<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> LOG.info("Attempting to run a roll log procedure for backup.");<a name="line.128"></a> +<span class="sourceLineNo">129</span> ForeignExceptionDispatcher errorDispatcher = new ForeignExceptionDispatcher();<a name="line.129"></a> +<span class="sourceLineNo">130</span> Configuration conf = rss.getConfiguration();<a name="line.130"></a> +<span class="sourceLineNo">131</span> long timeoutMillis = conf.getLong(BACKUP_TIMEOUT_MILLIS_KEY, BACKUP_TIMEOUT_MILLIS_DEFAULT);<a name="line.131"></a> +<span class="sourceLineNo">132</span> long wakeMillis =<a name="line.132"></a> +<span class="sourceLineNo">133</span> conf.getLong(BACKUP_REQUEST_WAKE_MILLIS_KEY, BACKUP_REQUEST_WAKE_MILLIS_DEFAULT);<a name="line.133"></a> +<span class="sourceLineNo">134</span><a name="line.134"></a> +<span class="sourceLineNo">135</span> LogRollBackupSubprocedurePool taskManager =<a name="line.135"></a> +<span class="sourceLineNo">136</span> new LogRollBackupSubprocedurePool(rss.getServerName().toString(), conf);<a name="line.136"></a> +<span class="sourceLineNo">137</span> return new LogRollBackupSubprocedure(rss, member, errorDispatcher, wakeMillis, timeoutMillis,<a name="line.137"></a> +<span class="sourceLineNo">138</span> taskManager, data);<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> /**<a name="line.141"></a> +<span class="sourceLineNo">142</span> * Build the actual backup procedure runner that will do all the 'hard' work<a name="line.142"></a> +<span class="sourceLineNo">143</span> */<a name="line.143"></a> +<span class="sourceLineNo">144</span> public class BackupSubprocedureBuilder implements SubprocedureFactory {<a name="line.144"></a> +<span class="sourceLineNo">145</span> @Override<a name="line.145"></a> +<span class="sourceLineNo">146</span> public Subprocedure buildSubprocedure(String name, byte[] data) {<a name="line.146"></a> +<span class="sourceLineNo">147</span> return LogRollRegionServerProcedureManager.this.buildSubprocedure(data);<a name="line.147"></a> +<span class="sourceLineNo">148</span> }<a name="line.148"></a> +<span class="sourceLineNo">149</span> }<a name="line.149"></a> +<span class="sourceLineNo">150</span><a name="line.150"></a> +<span class="sourceLineNo">151</span> @Override<a name="line.151"></a> +<span class="sourceLineNo">152</span> public void initialize(RegionServerServices rss) throws KeeperException {<a name="line.152"></a> +<span class="sourceLineNo">153</span> this.rss = rss;<a name="line.153"></a> +<span class="sourceLineNo">154</span> if (!BackupManager.isBackupEnabled(rss.getConfiguration())) {<a name="line.154"></a> +<span class="sourceLineNo">155</span> LOG.warn("Backup is not enabled. Check your " + BackupRestoreConstants.BACKUP_ENABLE_KEY<a name="line.155"></a> +<span class="sourceLineNo">156</span> + " setting");<a name="line.156"></a> +<span class="sourceLineNo">157</span> return;<a name="line.157"></a> +<span class="sourceLineNo">158</span> }<a name="line.158"></a> +<span class="sourceLineNo">159</span> CoordinatedStateManager coordManager = new ZkCoordinatedStateManager(rss);<a name="line.159"></a> +<span class="sourceLineNo">160</span> this.memberRpcs = coordManager<a name="line.160"></a> +<span class="sourceLineNo">161</span> .getProcedureMemberRpcs(LogRollMasterProcedureManager.ROLLLOG_PROCEDURE_SIGNATURE);<a name="line.161"></a> +<span class="sourceLineNo">162</span><a name="line.162"></a> +<span class="sourceLineNo">163</span> // read in the backup handler configuration properties<a name="line.163"></a> +<span class="sourceLineNo">164</span> Configuration conf = rss.getConfiguration();<a name="line.164"></a> +<span class="sourceLineNo">165</span> long keepAlive = conf.getLong(BACKUP_TIMEOUT_MILLIS_KEY, BACKUP_TIMEOUT_MILLIS_DEFAULT);<a name="line.165"></a> +<span class="sourceLineNo">166</span> int opThreads = conf.getInt(BACKUP_REQUEST_THREADS_KEY, BACKUP_REQUEST_THREADS_DEFAULT);<a name="line.166"></a> +<span class="sourceLineNo">167</span> // create the actual cohort member<a name="line.167"></a> +<span class="sourceLineNo">168</span> ThreadPoolExecutor pool =<a name="line.168"></a> +<span class="sourceLineNo">169</span> ProcedureMember.defaultPool(rss.getServerName().toString(), opThreads, keepAlive);<a name="line.169"></a> +<span class="sourceLineNo">170</span> this.member = new ProcedureMember(memberRpcs, pool, new BackupSubprocedureBuilder());<a name="line.170"></a> +<span class="sourceLineNo">171</span> }<a name="line.171"></a> +<span class="sourceLineNo">172</span><a name="line.172"></a> +<span class="sourceLineNo">173</span> @Override<a name="line.173"></a> +<span class="sourceLineNo">174</span> public String getProcedureSignature() {<a name="line.174"></a> +<span class="sourceLineNo">175</span> return "backup-proc";<a name="line.175"></a> +<span class="sourceLineNo">176</span> }<a name="line.176"></a> +<span class="sourceLineNo">177</span>}<a name="line.177"></a>