http://git-wip-us.apache.org/repos/asf/hbase-site/blob/b248f175/devapidocs/src-html/org/apache/hadoop/hbase/master/cleaner/LogCleaner.CleanerContext.html ---------------------------------------------------------------------- diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/master/cleaner/LogCleaner.CleanerContext.html b/devapidocs/src-html/org/apache/hadoop/hbase/master/cleaner/LogCleaner.CleanerContext.html index 541533a..a23f742 100644 --- a/devapidocs/src-html/org/apache/hadoop/hbase/master/cleaner/LogCleaner.CleanerContext.html +++ b/devapidocs/src-html/org/apache/hadoop/hbase/master/cleaner/LogCleaner.CleanerContext.html @@ -32,213 +32,248 @@ <span class="sourceLineNo">024</span>import java.util.LinkedList;<a name="line.24"></a> <span class="sourceLineNo">025</span>import java.util.List;<a name="line.25"></a> <span class="sourceLineNo">026</span>import java.util.concurrent.LinkedBlockingQueue;<a name="line.26"></a> -<span class="sourceLineNo">027</span><a name="line.27"></a> -<span class="sourceLineNo">028</span>import org.apache.hadoop.conf.Configuration;<a name="line.28"></a> -<span class="sourceLineNo">029</span>import org.apache.hadoop.fs.FileStatus;<a name="line.29"></a> -<span class="sourceLineNo">030</span>import org.apache.hadoop.fs.FileSystem;<a name="line.30"></a> -<span class="sourceLineNo">031</span>import org.apache.hadoop.fs.Path;<a name="line.31"></a> -<span class="sourceLineNo">032</span>import org.apache.hadoop.hbase.Stoppable;<a name="line.32"></a> -<span class="sourceLineNo">033</span>import org.apache.hadoop.hbase.master.procedure.MasterProcedureUtil;<a name="line.33"></a> -<span class="sourceLineNo">034</span>import org.apache.hadoop.hbase.wal.AbstractFSWALProvider;<a name="line.34"></a> -<span class="sourceLineNo">035</span>import org.apache.yetus.audience.InterfaceAudience;<a name="line.35"></a> -<span class="sourceLineNo">036</span>import org.slf4j.Logger;<a name="line.36"></a> -<span class="sourceLineNo">037</span>import org.slf4j.LoggerFactory;<a name="line.37"></a> -<span class="sourceLineNo">038</span>import org.apache.hbase.thirdparty.com.google.common.annotations.VisibleForTesting;<a name="line.38"></a> -<span class="sourceLineNo">039</span><a name="line.39"></a> -<span class="sourceLineNo">040</span>/**<a name="line.40"></a> -<span class="sourceLineNo">041</span> * This Chore, every time it runs, will attempt to delete the WALs and Procedure WALs in the old<a name="line.41"></a> -<span class="sourceLineNo">042</span> * logs folder. The WAL is only deleted if none of the cleaner delegates says otherwise.<a name="line.42"></a> -<span class="sourceLineNo">043</span> * @see BaseLogCleanerDelegate<a name="line.43"></a> -<span class="sourceLineNo">044</span> */<a name="line.44"></a> -<span class="sourceLineNo">045</span>@InterfaceAudience.Private<a name="line.45"></a> -<span class="sourceLineNo">046</span>public class LogCleaner extends CleanerChore<BaseLogCleanerDelegate> {<a name="line.46"></a> -<span class="sourceLineNo">047</span> private static final Logger LOG = LoggerFactory.getLogger(LogCleaner.class.getName());<a name="line.47"></a> -<span class="sourceLineNo">048</span><a name="line.48"></a> -<span class="sourceLineNo">049</span> public static final String OLD_WALS_CLEANER_SIZE = "hbase.oldwals.cleaner.thread.size";<a name="line.49"></a> -<span class="sourceLineNo">050</span> public static final int OLD_WALS_CLEANER_DEFAULT_SIZE = 2;<a name="line.50"></a> -<span class="sourceLineNo">051</span><a name="line.51"></a> -<span class="sourceLineNo">052</span> private final LinkedBlockingQueue<CleanerContext> pendingDelete;<a name="line.52"></a> -<span class="sourceLineNo">053</span> private List<Thread> oldWALsCleaner;<a name="line.53"></a> -<span class="sourceLineNo">054</span><a name="line.54"></a> -<span class="sourceLineNo">055</span> /**<a name="line.55"></a> -<span class="sourceLineNo">056</span> * @param period the period of time to sleep between each run<a name="line.56"></a> -<span class="sourceLineNo">057</span> * @param stopper the stopper<a name="line.57"></a> -<span class="sourceLineNo">058</span> * @param conf configuration to use<a name="line.58"></a> -<span class="sourceLineNo">059</span> * @param fs handle to the FS<a name="line.59"></a> -<span class="sourceLineNo">060</span> * @param oldLogDir the path to the archived logs<a name="line.60"></a> -<span class="sourceLineNo">061</span> */<a name="line.61"></a> -<span class="sourceLineNo">062</span> public LogCleaner(final int period, final Stoppable stopper, Configuration conf, FileSystem fs,<a name="line.62"></a> -<span class="sourceLineNo">063</span> Path oldLogDir) {<a name="line.63"></a> -<span class="sourceLineNo">064</span> super("LogsCleaner", period, stopper, conf, fs, oldLogDir, HBASE_MASTER_LOGCLEANER_PLUGINS);<a name="line.64"></a> -<span class="sourceLineNo">065</span> this.pendingDelete = new LinkedBlockingQueue<>();<a name="line.65"></a> -<span class="sourceLineNo">066</span> int size = conf.getInt(OLD_WALS_CLEANER_SIZE, OLD_WALS_CLEANER_DEFAULT_SIZE);<a name="line.66"></a> -<span class="sourceLineNo">067</span> this.oldWALsCleaner = createOldWalsCleaner(size);<a name="line.67"></a> -<span class="sourceLineNo">068</span> }<a name="line.68"></a> -<span class="sourceLineNo">069</span><a name="line.69"></a> -<span class="sourceLineNo">070</span> @Override<a name="line.70"></a> -<span class="sourceLineNo">071</span> protected boolean validate(Path file) {<a name="line.71"></a> -<span class="sourceLineNo">072</span> return AbstractFSWALProvider.validateWALFilename(file.getName())<a name="line.72"></a> -<span class="sourceLineNo">073</span> || MasterProcedureUtil.validateProcedureWALFilename(file.getName());<a name="line.73"></a> -<span class="sourceLineNo">074</span> }<a name="line.74"></a> -<span class="sourceLineNo">075</span><a name="line.75"></a> -<span class="sourceLineNo">076</span> @Override<a name="line.76"></a> -<span class="sourceLineNo">077</span> public void onConfigurationChange(Configuration conf) {<a name="line.77"></a> -<span class="sourceLineNo">078</span> super.onConfigurationChange(conf);<a name="line.78"></a> -<span class="sourceLineNo">079</span><a name="line.79"></a> -<span class="sourceLineNo">080</span> int newSize = conf.getInt(OLD_WALS_CLEANER_SIZE, OLD_WALS_CLEANER_DEFAULT_SIZE);<a name="line.80"></a> -<span class="sourceLineNo">081</span> if (newSize == oldWALsCleaner.size()) {<a name="line.81"></a> -<span class="sourceLineNo">082</span> if (LOG.isDebugEnabled()) {<a name="line.82"></a> -<span class="sourceLineNo">083</span> LOG.debug("Size from configuration is the same as previous which is " +<a name="line.83"></a> -<span class="sourceLineNo">084</span> newSize + ", no need to update.");<a name="line.84"></a> -<span class="sourceLineNo">085</span> }<a name="line.85"></a> -<span class="sourceLineNo">086</span> return;<a name="line.86"></a> -<span class="sourceLineNo">087</span> }<a name="line.87"></a> -<span class="sourceLineNo">088</span> interruptOldWALsCleaner();<a name="line.88"></a> -<span class="sourceLineNo">089</span> oldWALsCleaner = createOldWalsCleaner(newSize);<a name="line.89"></a> -<span class="sourceLineNo">090</span> }<a name="line.90"></a> -<span class="sourceLineNo">091</span><a name="line.91"></a> -<span class="sourceLineNo">092</span> @Override<a name="line.92"></a> -<span class="sourceLineNo">093</span> protected int deleteFiles(Iterable<FileStatus> filesToDelete) {<a name="line.93"></a> -<span class="sourceLineNo">094</span> List<CleanerContext> results = new LinkedList<>();<a name="line.94"></a> -<span class="sourceLineNo">095</span> for (FileStatus toDelete : filesToDelete) {<a name="line.95"></a> -<span class="sourceLineNo">096</span> CleanerContext context = CleanerContext.createCleanerContext(toDelete);<a name="line.96"></a> -<span class="sourceLineNo">097</span> if (context != null) {<a name="line.97"></a> -<span class="sourceLineNo">098</span> pendingDelete.add(context);<a name="line.98"></a> -<span class="sourceLineNo">099</span> results.add(context);<a name="line.99"></a> -<span class="sourceLineNo">100</span> }<a name="line.100"></a> -<span class="sourceLineNo">101</span> }<a name="line.101"></a> -<span class="sourceLineNo">102</span><a name="line.102"></a> -<span class="sourceLineNo">103</span> int deletedFiles = 0;<a name="line.103"></a> -<span class="sourceLineNo">104</span> for (CleanerContext res : results) {<a name="line.104"></a> -<span class="sourceLineNo">105</span> deletedFiles += res.getResult(500) ? 1 : 0;<a name="line.105"></a> -<span class="sourceLineNo">106</span> }<a name="line.106"></a> -<span class="sourceLineNo">107</span> return deletedFiles;<a name="line.107"></a> -<span class="sourceLineNo">108</span> }<a name="line.108"></a> -<span class="sourceLineNo">109</span><a name="line.109"></a> -<span class="sourceLineNo">110</span> @Override<a name="line.110"></a> -<span class="sourceLineNo">111</span> public synchronized void cleanup() {<a name="line.111"></a> -<span class="sourceLineNo">112</span> super.cleanup();<a name="line.112"></a> -<span class="sourceLineNo">113</span> interruptOldWALsCleaner();<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> @VisibleForTesting<a name="line.116"></a> -<span class="sourceLineNo">117</span> int getSizeOfCleaners() {<a name="line.117"></a> -<span class="sourceLineNo">118</span> return oldWALsCleaner.size();<a name="line.118"></a> -<span class="sourceLineNo">119</span> }<a name="line.119"></a> -<span class="sourceLineNo">120</span><a name="line.120"></a> -<span class="sourceLineNo">121</span> private List<Thread> createOldWalsCleaner(int size) {<a name="line.121"></a> -<span class="sourceLineNo">122</span> LOG.info("Creating OldWALs cleaners with size=" + size);<a name="line.122"></a> -<span class="sourceLineNo">123</span><a name="line.123"></a> -<span class="sourceLineNo">124</span> List<Thread> oldWALsCleaner = new ArrayList<>(size);<a name="line.124"></a> -<span class="sourceLineNo">125</span> for (int i = 0; i < size; i++) {<a name="line.125"></a> -<span class="sourceLineNo">126</span> Thread cleaner = new Thread(() -> deleteFile());<a name="line.126"></a> -<span class="sourceLineNo">127</span> cleaner.setName("OldWALsCleaner-" + i);<a name="line.127"></a> -<span class="sourceLineNo">128</span> cleaner.setDaemon(true);<a name="line.128"></a> -<span class="sourceLineNo">129</span> cleaner.start();<a name="line.129"></a> -<span class="sourceLineNo">130</span> oldWALsCleaner.add(cleaner);<a name="line.130"></a> -<span class="sourceLineNo">131</span> }<a name="line.131"></a> -<span class="sourceLineNo">132</span> return oldWALsCleaner;<a name="line.132"></a> -<span class="sourceLineNo">133</span> }<a name="line.133"></a> -<span class="sourceLineNo">134</span><a name="line.134"></a> -<span class="sourceLineNo">135</span> private void interruptOldWALsCleaner() {<a name="line.135"></a> -<span class="sourceLineNo">136</span> for (Thread cleaner : oldWALsCleaner) {<a name="line.136"></a> -<span class="sourceLineNo">137</span> cleaner.interrupt();<a name="line.137"></a> -<span class="sourceLineNo">138</span> }<a name="line.138"></a> -<span class="sourceLineNo">139</span> oldWALsCleaner.clear();<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> private void deleteFile() {<a name="line.142"></a> -<span class="sourceLineNo">143</span> while (true) {<a name="line.143"></a> -<span class="sourceLineNo">144</span> CleanerContext context = null;<a name="line.144"></a> -<span class="sourceLineNo">145</span> boolean succeed = false;<a name="line.145"></a> -<span class="sourceLineNo">146</span> boolean interrupted = false;<a name="line.146"></a> -<span class="sourceLineNo">147</span> try {<a name="line.147"></a> -<span class="sourceLineNo">148</span> context = pendingDelete.take();<a name="line.148"></a> -<span class="sourceLineNo">149</span> if (context != null) {<a name="line.149"></a> -<span class="sourceLineNo">150</span> FileStatus toClean = context.getTargetToClean();<a name="line.150"></a> -<span class="sourceLineNo">151</span> succeed = this.fs.delete(toClean.getPath(), false);<a name="line.151"></a> -<span class="sourceLineNo">152</span> }<a name="line.152"></a> -<span class="sourceLineNo">153</span> } catch (InterruptedException ite) {<a name="line.153"></a> -<span class="sourceLineNo">154</span> // It's most likely from configuration changing request<a name="line.154"></a> -<span class="sourceLineNo">155</span> if (context != null) {<a name="line.155"></a> -<span class="sourceLineNo">156</span> LOG.warn("Interrupted while cleaning oldWALs " +<a name="line.156"></a> -<span class="sourceLineNo">157</span> context.getTargetToClean() + ", try to clean it next round.");<a name="line.157"></a> -<span class="sourceLineNo">158</span> }<a name="line.158"></a> -<span class="sourceLineNo">159</span> interrupted = true;<a name="line.159"></a> -<span class="sourceLineNo">160</span> } catch (IOException e) {<a name="line.160"></a> -<span class="sourceLineNo">161</span> // fs.delete() fails.<a name="line.161"></a> -<span class="sourceLineNo">162</span> LOG.warn("Failed to clean oldwals with exception: " + e);<a name="line.162"></a> -<span class="sourceLineNo">163</span> succeed = false;<a name="line.163"></a> -<span class="sourceLineNo">164</span> } finally {<a name="line.164"></a> -<span class="sourceLineNo">165</span> if (context != null) {<a name="line.165"></a> -<span class="sourceLineNo">166</span> context.setResult(succeed);<a name="line.166"></a> -<span class="sourceLineNo">167</span> }<a name="line.167"></a> -<span class="sourceLineNo">168</span> if (interrupted) {<a name="line.168"></a> -<span class="sourceLineNo">169</span> // Restore interrupt status<a name="line.169"></a> -<span class="sourceLineNo">170</span> Thread.currentThread().interrupt();<a name="line.170"></a> -<span class="sourceLineNo">171</span> break;<a name="line.171"></a> -<span class="sourceLineNo">172</span> }<a name="line.172"></a> -<span class="sourceLineNo">173</span> }<a name="line.173"></a> -<span class="sourceLineNo">174</span> }<a name="line.174"></a> -<span class="sourceLineNo">175</span> if (LOG.isDebugEnabled()) {<a name="line.175"></a> -<span class="sourceLineNo">176</span> LOG.debug("Exiting cleaner.");<a name="line.176"></a> -<span class="sourceLineNo">177</span> }<a name="line.177"></a> -<span class="sourceLineNo">178</span> }<a name="line.178"></a> -<span class="sourceLineNo">179</span><a name="line.179"></a> -<span class="sourceLineNo">180</span> @Override<a name="line.180"></a> -<span class="sourceLineNo">181</span> public synchronized void cancel(boolean mayInterruptIfRunning) {<a name="line.181"></a> -<span class="sourceLineNo">182</span> super.cancel(mayInterruptIfRunning);<a name="line.182"></a> -<span class="sourceLineNo">183</span> for (Thread t : oldWALsCleaner) {<a name="line.183"></a> -<span class="sourceLineNo">184</span> t.interrupt();<a name="line.184"></a> -<span class="sourceLineNo">185</span> }<a name="line.185"></a> -<span class="sourceLineNo">186</span> }<a name="line.186"></a> -<span class="sourceLineNo">187</span><a name="line.187"></a> -<span class="sourceLineNo">188</span> private static final class CleanerContext {<a name="line.188"></a> -<span class="sourceLineNo">189</span> // At most waits 60 seconds<a name="line.189"></a> -<span class="sourceLineNo">190</span> static final long MAX_WAIT = 60 * 1000;<a name="line.190"></a> -<span class="sourceLineNo">191</span><a name="line.191"></a> -<span class="sourceLineNo">192</span> final FileStatus target;<a name="line.192"></a> -<span class="sourceLineNo">193</span> volatile boolean result;<a name="line.193"></a> -<span class="sourceLineNo">194</span> volatile boolean setFromCleaner = false;<a name="line.194"></a> -<span class="sourceLineNo">195</span><a name="line.195"></a> -<span class="sourceLineNo">196</span> static CleanerContext createCleanerContext(FileStatus status) {<a name="line.196"></a> -<span class="sourceLineNo">197</span> return status != null ? new CleanerContext(status) : null;<a name="line.197"></a> -<span class="sourceLineNo">198</span> }<a name="line.198"></a> -<span class="sourceLineNo">199</span><a name="line.199"></a> -<span class="sourceLineNo">200</span> private CleanerContext(FileStatus status) {<a name="line.200"></a> -<span class="sourceLineNo">201</span> this.target = status;<a name="line.201"></a> -<span class="sourceLineNo">202</span> this.result = false;<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> synchronized void setResult(boolean res) {<a name="line.205"></a> -<span class="sourceLineNo">206</span> this.result = res;<a name="line.206"></a> -<span class="sourceLineNo">207</span> this.setFromCleaner = true;<a name="line.207"></a> -<span class="sourceLineNo">208</span> notify();<a name="line.208"></a> -<span class="sourceLineNo">209</span> }<a name="line.209"></a> -<span class="sourceLineNo">210</span><a name="line.210"></a> -<span class="sourceLineNo">211</span> synchronized boolean getResult(long waitIfNotFinished) {<a name="line.211"></a> -<span class="sourceLineNo">212</span> long totalTime = 0;<a name="line.212"></a> -<span class="sourceLineNo">213</span> try {<a name="line.213"></a> -<span class="sourceLineNo">214</span> while (!setFromCleaner) {<a name="line.214"></a> -<span class="sourceLineNo">215</span> wait(waitIfNotFinished);<a name="line.215"></a> -<span class="sourceLineNo">216</span> totalTime += waitIfNotFinished;<a name="line.216"></a> -<span class="sourceLineNo">217</span> if (totalTime >= MAX_WAIT) {<a name="line.217"></a> -<span class="sourceLineNo">218</span> LOG.warn("Spend too much time to delete oldwals " + target);<a name="line.218"></a> -<span class="sourceLineNo">219</span> return result;<a name="line.219"></a> -<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> } catch (InterruptedException e) {<a name="line.222"></a> -<span class="sourceLineNo">223</span> LOG.warn("Interrupted while waiting deletion of " + target);<a name="line.223"></a> -<span class="sourceLineNo">224</span> return result;<a name="line.224"></a> -<span class="sourceLineNo">225</span> }<a name="line.225"></a> -<span class="sourceLineNo">226</span> return result;<a name="line.226"></a> -<span class="sourceLineNo">227</span> }<a name="line.227"></a> -<span class="sourceLineNo">228</span><a name="line.228"></a> -<span class="sourceLineNo">229</span> FileStatus getTargetToClean() {<a name="line.229"></a> -<span class="sourceLineNo">230</span> return target;<a name="line.230"></a> -<span class="sourceLineNo">231</span> }<a name="line.231"></a> -<span class="sourceLineNo">232</span> }<a name="line.232"></a> -<span class="sourceLineNo">233</span>}<a name="line.233"></a> +<span class="sourceLineNo">027</span>import java.util.concurrent.TimeUnit;<a name="line.27"></a> +<span class="sourceLineNo">028</span><a name="line.28"></a> +<span class="sourceLineNo">029</span>import org.apache.hadoop.conf.Configuration;<a name="line.29"></a> +<span class="sourceLineNo">030</span>import org.apache.hadoop.fs.FileStatus;<a name="line.30"></a> +<span class="sourceLineNo">031</span>import org.apache.hadoop.fs.FileSystem;<a name="line.31"></a> +<span class="sourceLineNo">032</span>import org.apache.hadoop.fs.Path;<a name="line.32"></a> +<span class="sourceLineNo">033</span>import org.apache.hadoop.hbase.Stoppable;<a name="line.33"></a> +<span class="sourceLineNo">034</span>import org.apache.hadoop.hbase.master.procedure.MasterProcedureUtil;<a name="line.34"></a> +<span class="sourceLineNo">035</span>import org.apache.hadoop.hbase.wal.AbstractFSWALProvider;<a name="line.35"></a> +<span class="sourceLineNo">036</span>import org.apache.yetus.audience.InterfaceAudience;<a name="line.36"></a> +<span class="sourceLineNo">037</span>import org.slf4j.Logger;<a name="line.37"></a> +<span class="sourceLineNo">038</span>import org.slf4j.LoggerFactory;<a name="line.38"></a> +<span class="sourceLineNo">039</span>import org.apache.hbase.thirdparty.com.google.common.annotations.VisibleForTesting;<a name="line.39"></a> +<span class="sourceLineNo">040</span><a name="line.40"></a> +<span class="sourceLineNo">041</span>/**<a name="line.41"></a> +<span class="sourceLineNo">042</span> * This Chore, every time it runs, will attempt to delete the WALs and Procedure WALs in the old<a name="line.42"></a> +<span class="sourceLineNo">043</span> * logs folder. The WAL is only deleted if none of the cleaner delegates says otherwise.<a name="line.43"></a> +<span class="sourceLineNo">044</span> * @see BaseLogCleanerDelegate<a name="line.44"></a> +<span class="sourceLineNo">045</span> */<a name="line.45"></a> +<span class="sourceLineNo">046</span>@InterfaceAudience.Private<a name="line.46"></a> +<span class="sourceLineNo">047</span>public class LogCleaner extends CleanerChore<BaseLogCleanerDelegate> {<a name="line.47"></a> +<span class="sourceLineNo">048</span> private static final Logger LOG = LoggerFactory.getLogger(LogCleaner.class.getName());<a name="line.48"></a> +<span class="sourceLineNo">049</span><a name="line.49"></a> +<span class="sourceLineNo">050</span> public static final String OLD_WALS_CLEANER_THREAD_SIZE = "hbase.oldwals.cleaner.thread.size";<a name="line.50"></a> +<span class="sourceLineNo">051</span> public static final int DEFAULT_OLD_WALS_CLEANER_THREAD_SIZE = 2;<a name="line.51"></a> +<span class="sourceLineNo">052</span><a name="line.52"></a> +<span class="sourceLineNo">053</span> public static final String OLD_WALS_CLEANER_THREAD_TIMEOUT_MSEC =<a name="line.53"></a> +<span class="sourceLineNo">054</span> "hbase.oldwals.cleaner.thread.timeout.msec";<a name="line.54"></a> +<span class="sourceLineNo">055</span> @VisibleForTesting<a name="line.55"></a> +<span class="sourceLineNo">056</span> static final long DEFAULT_OLD_WALS_CLEANER_THREAD_TIMEOUT_MSEC = 60 * 1000L;<a name="line.56"></a> +<span class="sourceLineNo">057</span><a name="line.57"></a> +<span class="sourceLineNo">058</span> public static final String OLD_WALS_CLEANER_THREAD_CHECK_INTERVAL_MSEC =<a name="line.58"></a> +<span class="sourceLineNo">059</span> "hbase.oldwals.cleaner.thread.check.interval.msec";<a name="line.59"></a> +<span class="sourceLineNo">060</span> @VisibleForTesting<a name="line.60"></a> +<span class="sourceLineNo">061</span> static final long DEFAULT_OLD_WALS_CLEANER_THREAD_CHECK_INTERVAL_MSEC = 500L;<a name="line.61"></a> +<span class="sourceLineNo">062</span><a name="line.62"></a> +<span class="sourceLineNo">063</span><a name="line.63"></a> +<span class="sourceLineNo">064</span> private final LinkedBlockingQueue<CleanerContext> pendingDelete;<a name="line.64"></a> +<span class="sourceLineNo">065</span> private List<Thread> oldWALsCleaner;<a name="line.65"></a> +<span class="sourceLineNo">066</span> private long cleanerThreadTimeoutMsec;<a name="line.66"></a> +<span class="sourceLineNo">067</span> private long cleanerThreadCheckIntervalMsec;<a name="line.67"></a> +<span class="sourceLineNo">068</span><a name="line.68"></a> +<span class="sourceLineNo">069</span> /**<a name="line.69"></a> +<span class="sourceLineNo">070</span> * @param period the period of time to sleep between each run<a name="line.70"></a> +<span class="sourceLineNo">071</span> * @param stopper the stopper<a name="line.71"></a> +<span class="sourceLineNo">072</span> * @param conf configuration to use<a name="line.72"></a> +<span class="sourceLineNo">073</span> * @param fs handle to the FS<a name="line.73"></a> +<span class="sourceLineNo">074</span> * @param oldLogDir the path to the archived logs<a name="line.74"></a> +<span class="sourceLineNo">075</span> */<a name="line.75"></a> +<span class="sourceLineNo">076</span> public LogCleaner(final int period, final Stoppable stopper, Configuration conf, FileSystem fs,<a name="line.76"></a> +<span class="sourceLineNo">077</span> Path oldLogDir) {<a name="line.77"></a> +<span class="sourceLineNo">078</span> super("LogsCleaner", period, stopper, conf, fs, oldLogDir, HBASE_MASTER_LOGCLEANER_PLUGINS);<a name="line.78"></a> +<span class="sourceLineNo">079</span> this.pendingDelete = new LinkedBlockingQueue<>();<a name="line.79"></a> +<span class="sourceLineNo">080</span> int size = conf.getInt(OLD_WALS_CLEANER_THREAD_SIZE, DEFAULT_OLD_WALS_CLEANER_THREAD_SIZE);<a name="line.80"></a> +<span class="sourceLineNo">081</span> this.oldWALsCleaner = createOldWalsCleaner(size);<a name="line.81"></a> +<span class="sourceLineNo">082</span> this.cleanerThreadTimeoutMsec = conf.getLong(OLD_WALS_CLEANER_THREAD_TIMEOUT_MSEC,<a name="line.82"></a> +<span class="sourceLineNo">083</span> DEFAULT_OLD_WALS_CLEANER_THREAD_TIMEOUT_MSEC);<a name="line.83"></a> +<span class="sourceLineNo">084</span> this.cleanerThreadCheckIntervalMsec = conf.getLong(OLD_WALS_CLEANER_THREAD_CHECK_INTERVAL_MSEC,<a name="line.84"></a> +<span class="sourceLineNo">085</span> DEFAULT_OLD_WALS_CLEANER_THREAD_CHECK_INTERVAL_MSEC);<a name="line.85"></a> +<span class="sourceLineNo">086</span> }<a name="line.86"></a> +<span class="sourceLineNo">087</span><a name="line.87"></a> +<span class="sourceLineNo">088</span> @Override<a name="line.88"></a> +<span class="sourceLineNo">089</span> protected boolean validate(Path file) {<a name="line.89"></a> +<span class="sourceLineNo">090</span> return AbstractFSWALProvider.validateWALFilename(file.getName())<a name="line.90"></a> +<span class="sourceLineNo">091</span> || MasterProcedureUtil.validateProcedureWALFilename(file.getName());<a name="line.91"></a> +<span class="sourceLineNo">092</span> }<a name="line.92"></a> +<span class="sourceLineNo">093</span><a name="line.93"></a> +<span class="sourceLineNo">094</span> @Override<a name="line.94"></a> +<span class="sourceLineNo">095</span> public void onConfigurationChange(Configuration conf) {<a name="line.95"></a> +<span class="sourceLineNo">096</span> super.onConfigurationChange(conf);<a name="line.96"></a> +<span class="sourceLineNo">097</span><a name="line.97"></a> +<span class="sourceLineNo">098</span> int newSize = conf.getInt(OLD_WALS_CLEANER_THREAD_SIZE, DEFAULT_OLD_WALS_CLEANER_THREAD_SIZE);<a name="line.98"></a> +<span class="sourceLineNo">099</span> if (newSize == oldWALsCleaner.size()) {<a name="line.99"></a> +<span class="sourceLineNo">100</span> if (LOG.isDebugEnabled()) {<a name="line.100"></a> +<span class="sourceLineNo">101</span> LOG.debug("Size from configuration is the same as previous which is " +<a name="line.101"></a> +<span class="sourceLineNo">102</span> newSize + ", no need to update.");<a name="line.102"></a> +<span class="sourceLineNo">103</span> }<a name="line.103"></a> +<span class="sourceLineNo">104</span> return;<a name="line.104"></a> +<span class="sourceLineNo">105</span> }<a name="line.105"></a> +<span class="sourceLineNo">106</span> interruptOldWALsCleaner();<a name="line.106"></a> +<span class="sourceLineNo">107</span> oldWALsCleaner = createOldWalsCleaner(newSize);<a name="line.107"></a> +<span class="sourceLineNo">108</span> cleanerThreadTimeoutMsec = conf.getLong(OLD_WALS_CLEANER_THREAD_TIMEOUT_MSEC,<a name="line.108"></a> +<span class="sourceLineNo">109</span> DEFAULT_OLD_WALS_CLEANER_THREAD_TIMEOUT_MSEC);<a name="line.109"></a> +<span class="sourceLineNo">110</span> cleanerThreadCheckIntervalMsec = conf.getLong(OLD_WALS_CLEANER_THREAD_CHECK_INTERVAL_MSEC,<a name="line.110"></a> +<span class="sourceLineNo">111</span> DEFAULT_OLD_WALS_CLEANER_THREAD_CHECK_INTERVAL_MSEC);<a name="line.111"></a> +<span class="sourceLineNo">112</span> }<a name="line.112"></a> +<span class="sourceLineNo">113</span><a name="line.113"></a> +<span class="sourceLineNo">114</span> @Override<a name="line.114"></a> +<span class="sourceLineNo">115</span> protected int deleteFiles(Iterable<FileStatus> filesToDelete) {<a name="line.115"></a> +<span class="sourceLineNo">116</span> List<CleanerContext> results = new LinkedList<>();<a name="line.116"></a> +<span class="sourceLineNo">117</span> for (FileStatus toDelete : filesToDelete) {<a name="line.117"></a> +<span class="sourceLineNo">118</span> CleanerContext context = CleanerContext.createCleanerContext(toDelete,<a name="line.118"></a> +<span class="sourceLineNo">119</span> cleanerThreadTimeoutMsec);<a name="line.119"></a> +<span class="sourceLineNo">120</span> if (context != null) {<a name="line.120"></a> +<span class="sourceLineNo">121</span> pendingDelete.add(context);<a name="line.121"></a> +<span class="sourceLineNo">122</span> results.add(context);<a name="line.122"></a> +<span class="sourceLineNo">123</span> }<a name="line.123"></a> +<span class="sourceLineNo">124</span> }<a name="line.124"></a> +<span class="sourceLineNo">125</span><a name="line.125"></a> +<span class="sourceLineNo">126</span> int deletedFiles = 0;<a name="line.126"></a> +<span class="sourceLineNo">127</span> for (CleanerContext res : results) {<a name="line.127"></a> +<span class="sourceLineNo">128</span> deletedFiles += res.getResult(cleanerThreadCheckIntervalMsec) ? 1 : 0;<a name="line.128"></a> +<span class="sourceLineNo">129</span> }<a name="line.129"></a> +<span class="sourceLineNo">130</span> return deletedFiles;<a name="line.130"></a> +<span class="sourceLineNo">131</span> }<a name="line.131"></a> +<span class="sourceLineNo">132</span><a name="line.132"></a> +<span class="sourceLineNo">133</span> @Override<a name="line.133"></a> +<span class="sourceLineNo">134</span> public synchronized void cleanup() {<a name="line.134"></a> +<span class="sourceLineNo">135</span> super.cleanup();<a name="line.135"></a> +<span class="sourceLineNo">136</span> interruptOldWALsCleaner();<a name="line.136"></a> +<span class="sourceLineNo">137</span> }<a name="line.137"></a> +<span class="sourceLineNo">138</span><a name="line.138"></a> +<span class="sourceLineNo">139</span> @VisibleForTesting<a name="line.139"></a> +<span class="sourceLineNo">140</span> int getSizeOfCleaners() {<a name="line.140"></a> +<span class="sourceLineNo">141</span> return oldWALsCleaner.size();<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> @VisibleForTesting<a name="line.144"></a> +<span class="sourceLineNo">145</span> long getCleanerThreadTimeoutMsec() {<a name="line.145"></a> +<span class="sourceLineNo">146</span> return cleanerThreadTimeoutMsec;<a name="line.146"></a> +<span class="sourceLineNo">147</span> }<a name="line.147"></a> +<span class="sourceLineNo">148</span><a name="line.148"></a> +<span class="sourceLineNo">149</span> @VisibleForTesting<a name="line.149"></a> +<span class="sourceLineNo">150</span> long getCleanerThreadCheckIntervalMsec() {<a name="line.150"></a> +<span class="sourceLineNo">151</span> return cleanerThreadCheckIntervalMsec;<a name="line.151"></a> +<span class="sourceLineNo">152</span> }<a name="line.152"></a> +<span class="sourceLineNo">153</span><a name="line.153"></a> +<span class="sourceLineNo">154</span> private List<Thread> createOldWalsCleaner(int size) {<a name="line.154"></a> +<span class="sourceLineNo">155</span> LOG.info("Creating OldWALs cleaners with size=" + size);<a name="line.155"></a> +<span class="sourceLineNo">156</span><a name="line.156"></a> +<span class="sourceLineNo">157</span> List<Thread> oldWALsCleaner = new ArrayList<>(size);<a name="line.157"></a> +<span class="sourceLineNo">158</span> for (int i = 0; i < size; i++) {<a name="line.158"></a> +<span class="sourceLineNo">159</span> Thread cleaner = new Thread(() -> deleteFile());<a name="line.159"></a> +<span class="sourceLineNo">160</span> cleaner.setName("OldWALsCleaner-" + i);<a name="line.160"></a> +<span class="sourceLineNo">161</span> cleaner.setDaemon(true);<a name="line.161"></a> +<span class="sourceLineNo">162</span> cleaner.start();<a name="line.162"></a> +<span class="sourceLineNo">163</span> oldWALsCleaner.add(cleaner);<a name="line.163"></a> +<span class="sourceLineNo">164</span> }<a name="line.164"></a> +<span class="sourceLineNo">165</span> return oldWALsCleaner;<a name="line.165"></a> +<span class="sourceLineNo">166</span> }<a name="line.166"></a> +<span class="sourceLineNo">167</span><a name="line.167"></a> +<span class="sourceLineNo">168</span> private void interruptOldWALsCleaner() {<a name="line.168"></a> +<span class="sourceLineNo">169</span> for (Thread cleaner : oldWALsCleaner) {<a name="line.169"></a> +<span class="sourceLineNo">170</span> cleaner.interrupt();<a name="line.170"></a> +<span class="sourceLineNo">171</span> }<a name="line.171"></a> +<span class="sourceLineNo">172</span> oldWALsCleaner.clear();<a name="line.172"></a> +<span class="sourceLineNo">173</span> }<a name="line.173"></a> +<span class="sourceLineNo">174</span><a name="line.174"></a> +<span class="sourceLineNo">175</span> private void deleteFile() {<a name="line.175"></a> +<span class="sourceLineNo">176</span> while (true) {<a name="line.176"></a> +<span class="sourceLineNo">177</span> CleanerContext context = null;<a name="line.177"></a> +<span class="sourceLineNo">178</span> boolean succeed = false;<a name="line.178"></a> +<span class="sourceLineNo">179</span> boolean interrupted = false;<a name="line.179"></a> +<span class="sourceLineNo">180</span> try {<a name="line.180"></a> +<span class="sourceLineNo">181</span> context = pendingDelete.take();<a name="line.181"></a> +<span class="sourceLineNo">182</span> if (context != null) {<a name="line.182"></a> +<span class="sourceLineNo">183</span> FileStatus toClean = context.getTargetToClean();<a name="line.183"></a> +<span class="sourceLineNo">184</span> succeed = this.fs.delete(toClean.getPath(), false);<a name="line.184"></a> +<span class="sourceLineNo">185</span> }<a name="line.185"></a> +<span class="sourceLineNo">186</span> } catch (InterruptedException ite) {<a name="line.186"></a> +<span class="sourceLineNo">187</span> // It's most likely from configuration changing request<a name="line.187"></a> +<span class="sourceLineNo">188</span> if (context != null) {<a name="line.188"></a> +<span class="sourceLineNo">189</span> LOG.warn("Interrupted while cleaning oldWALs " +<a name="line.189"></a> +<span class="sourceLineNo">190</span> context.getTargetToClean() + ", try to clean it next round.");<a name="line.190"></a> +<span class="sourceLineNo">191</span> }<a name="line.191"></a> +<span class="sourceLineNo">192</span> interrupted = true;<a name="line.192"></a> +<span class="sourceLineNo">193</span> } catch (IOException e) {<a name="line.193"></a> +<span class="sourceLineNo">194</span> // fs.delete() fails.<a name="line.194"></a> +<span class="sourceLineNo">195</span> LOG.warn("Failed to clean oldwals with exception: " + e);<a name="line.195"></a> +<span class="sourceLineNo">196</span> succeed = false;<a name="line.196"></a> +<span class="sourceLineNo">197</span> } finally {<a name="line.197"></a> +<span class="sourceLineNo">198</span> if (context != null) {<a name="line.198"></a> +<span class="sourceLineNo">199</span> context.setResult(succeed);<a name="line.199"></a> +<span class="sourceLineNo">200</span> }<a name="line.200"></a> +<span class="sourceLineNo">201</span> if (interrupted) {<a name="line.201"></a> +<span class="sourceLineNo">202</span> // Restore interrupt status<a name="line.202"></a> +<span class="sourceLineNo">203</span> Thread.currentThread().interrupt();<a name="line.203"></a> +<span class="sourceLineNo">204</span> break;<a name="line.204"></a> +<span class="sourceLineNo">205</span> }<a name="line.205"></a> +<span class="sourceLineNo">206</span> }<a name="line.206"></a> +<span class="sourceLineNo">207</span> }<a name="line.207"></a> +<span class="sourceLineNo">208</span> if (LOG.isDebugEnabled()) {<a name="line.208"></a> +<span class="sourceLineNo">209</span> LOG.debug("Exiting cleaner.");<a name="line.209"></a> +<span class="sourceLineNo">210</span> }<a name="line.210"></a> +<span class="sourceLineNo">211</span> }<a name="line.211"></a> +<span class="sourceLineNo">212</span><a name="line.212"></a> +<span class="sourceLineNo">213</span> @Override<a name="line.213"></a> +<span class="sourceLineNo">214</span> public synchronized void cancel(boolean mayInterruptIfRunning) {<a name="line.214"></a> +<span class="sourceLineNo">215</span> super.cancel(mayInterruptIfRunning);<a name="line.215"></a> +<span class="sourceLineNo">216</span> for (Thread t : oldWALsCleaner) {<a name="line.216"></a> +<span class="sourceLineNo">217</span> t.interrupt();<a name="line.217"></a> +<span class="sourceLineNo">218</span> }<a name="line.218"></a> +<span class="sourceLineNo">219</span> }<a name="line.219"></a> +<span class="sourceLineNo">220</span><a name="line.220"></a> +<span class="sourceLineNo">221</span> private static final class CleanerContext {<a name="line.221"></a> +<span class="sourceLineNo">222</span><a name="line.222"></a> +<span class="sourceLineNo">223</span> final FileStatus target;<a name="line.223"></a> +<span class="sourceLineNo">224</span> volatile boolean result;<a name="line.224"></a> +<span class="sourceLineNo">225</span> volatile boolean setFromCleaner = false;<a name="line.225"></a> +<span class="sourceLineNo">226</span> long timeoutMsec;<a name="line.226"></a> +<span class="sourceLineNo">227</span><a name="line.227"></a> +<span class="sourceLineNo">228</span> static CleanerContext createCleanerContext(FileStatus status, long timeoutMsec) {<a name="line.228"></a> +<span class="sourceLineNo">229</span> return status != null ? new CleanerContext(status, timeoutMsec) : null;<a name="line.229"></a> +<span class="sourceLineNo">230</span> }<a name="line.230"></a> +<span class="sourceLineNo">231</span><a name="line.231"></a> +<span class="sourceLineNo">232</span> private CleanerContext(FileStatus status, long timeoutMsec) {<a name="line.232"></a> +<span class="sourceLineNo">233</span> this.target = status;<a name="line.233"></a> +<span class="sourceLineNo">234</span> this.result = false;<a name="line.234"></a> +<span class="sourceLineNo">235</span> this.timeoutMsec = timeoutMsec;<a name="line.235"></a> +<span class="sourceLineNo">236</span> }<a name="line.236"></a> +<span class="sourceLineNo">237</span><a name="line.237"></a> +<span class="sourceLineNo">238</span> synchronized void setResult(boolean res) {<a name="line.238"></a> +<span class="sourceLineNo">239</span> this.result = res;<a name="line.239"></a> +<span class="sourceLineNo">240</span> this.setFromCleaner = true;<a name="line.240"></a> +<span class="sourceLineNo">241</span> notify();<a name="line.241"></a> +<span class="sourceLineNo">242</span> }<a name="line.242"></a> +<span class="sourceLineNo">243</span><a name="line.243"></a> +<span class="sourceLineNo">244</span> synchronized boolean getResult(long waitIfNotFinished) {<a name="line.244"></a> +<span class="sourceLineNo">245</span> long totalTimeMsec = 0;<a name="line.245"></a> +<span class="sourceLineNo">246</span> try {<a name="line.246"></a> +<span class="sourceLineNo">247</span> while (!setFromCleaner) {<a name="line.247"></a> +<span class="sourceLineNo">248</span> long startTimeNanos = System.nanoTime();<a name="line.248"></a> +<span class="sourceLineNo">249</span> wait(waitIfNotFinished);<a name="line.249"></a> +<span class="sourceLineNo">250</span> totalTimeMsec += TimeUnit.MILLISECONDS.convert(System.nanoTime() - startTimeNanos,<a name="line.250"></a> +<span class="sourceLineNo">251</span> TimeUnit.NANOSECONDS);<a name="line.251"></a> +<span class="sourceLineNo">252</span> if (totalTimeMsec >= timeoutMsec) {<a name="line.252"></a> +<span class="sourceLineNo">253</span> LOG.warn("Spend too much time " + totalTimeMsec + " ms to delete oldwals " + target);<a name="line.253"></a> +<span class="sourceLineNo">254</span> return result;<a name="line.254"></a> +<span class="sourceLineNo">255</span> }<a name="line.255"></a> +<span class="sourceLineNo">256</span> }<a name="line.256"></a> +<span class="sourceLineNo">257</span> } catch (InterruptedException e) {<a name="line.257"></a> +<span class="sourceLineNo">258</span> LOG.warn("Interrupted while waiting deletion of " + target);<a name="line.258"></a> +<span class="sourceLineNo">259</span> return result;<a name="line.259"></a> +<span class="sourceLineNo">260</span> }<a name="line.260"></a> +<span class="sourceLineNo">261</span> return result;<a name="line.261"></a> +<span class="sourceLineNo">262</span> }<a name="line.262"></a> +<span class="sourceLineNo">263</span><a name="line.263"></a> +<span class="sourceLineNo">264</span> FileStatus getTargetToClean() {<a name="line.264"></a> +<span class="sourceLineNo">265</span> return target;<a name="line.265"></a> +<span class="sourceLineNo">266</span> }<a name="line.266"></a> +<span class="sourceLineNo">267</span> }<a name="line.267"></a> +<span class="sourceLineNo">268</span>}<a name="line.268"></a>
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/b248f175/devapidocs/src-html/org/apache/hadoop/hbase/master/cleaner/LogCleaner.html ---------------------------------------------------------------------- diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/master/cleaner/LogCleaner.html b/devapidocs/src-html/org/apache/hadoop/hbase/master/cleaner/LogCleaner.html index 541533a..a23f742 100644 --- a/devapidocs/src-html/org/apache/hadoop/hbase/master/cleaner/LogCleaner.html +++ b/devapidocs/src-html/org/apache/hadoop/hbase/master/cleaner/LogCleaner.html @@ -32,213 +32,248 @@ <span class="sourceLineNo">024</span>import java.util.LinkedList;<a name="line.24"></a> <span class="sourceLineNo">025</span>import java.util.List;<a name="line.25"></a> <span class="sourceLineNo">026</span>import java.util.concurrent.LinkedBlockingQueue;<a name="line.26"></a> -<span class="sourceLineNo">027</span><a name="line.27"></a> -<span class="sourceLineNo">028</span>import org.apache.hadoop.conf.Configuration;<a name="line.28"></a> -<span class="sourceLineNo">029</span>import org.apache.hadoop.fs.FileStatus;<a name="line.29"></a> -<span class="sourceLineNo">030</span>import org.apache.hadoop.fs.FileSystem;<a name="line.30"></a> -<span class="sourceLineNo">031</span>import org.apache.hadoop.fs.Path;<a name="line.31"></a> -<span class="sourceLineNo">032</span>import org.apache.hadoop.hbase.Stoppable;<a name="line.32"></a> -<span class="sourceLineNo">033</span>import org.apache.hadoop.hbase.master.procedure.MasterProcedureUtil;<a name="line.33"></a> -<span class="sourceLineNo">034</span>import org.apache.hadoop.hbase.wal.AbstractFSWALProvider;<a name="line.34"></a> -<span class="sourceLineNo">035</span>import org.apache.yetus.audience.InterfaceAudience;<a name="line.35"></a> -<span class="sourceLineNo">036</span>import org.slf4j.Logger;<a name="line.36"></a> -<span class="sourceLineNo">037</span>import org.slf4j.LoggerFactory;<a name="line.37"></a> -<span class="sourceLineNo">038</span>import org.apache.hbase.thirdparty.com.google.common.annotations.VisibleForTesting;<a name="line.38"></a> -<span class="sourceLineNo">039</span><a name="line.39"></a> -<span class="sourceLineNo">040</span>/**<a name="line.40"></a> -<span class="sourceLineNo">041</span> * This Chore, every time it runs, will attempt to delete the WALs and Procedure WALs in the old<a name="line.41"></a> -<span class="sourceLineNo">042</span> * logs folder. The WAL is only deleted if none of the cleaner delegates says otherwise.<a name="line.42"></a> -<span class="sourceLineNo">043</span> * @see BaseLogCleanerDelegate<a name="line.43"></a> -<span class="sourceLineNo">044</span> */<a name="line.44"></a> -<span class="sourceLineNo">045</span>@InterfaceAudience.Private<a name="line.45"></a> -<span class="sourceLineNo">046</span>public class LogCleaner extends CleanerChore<BaseLogCleanerDelegate> {<a name="line.46"></a> -<span class="sourceLineNo">047</span> private static final Logger LOG = LoggerFactory.getLogger(LogCleaner.class.getName());<a name="line.47"></a> -<span class="sourceLineNo">048</span><a name="line.48"></a> -<span class="sourceLineNo">049</span> public static final String OLD_WALS_CLEANER_SIZE = "hbase.oldwals.cleaner.thread.size";<a name="line.49"></a> -<span class="sourceLineNo">050</span> public static final int OLD_WALS_CLEANER_DEFAULT_SIZE = 2;<a name="line.50"></a> -<span class="sourceLineNo">051</span><a name="line.51"></a> -<span class="sourceLineNo">052</span> private final LinkedBlockingQueue<CleanerContext> pendingDelete;<a name="line.52"></a> -<span class="sourceLineNo">053</span> private List<Thread> oldWALsCleaner;<a name="line.53"></a> -<span class="sourceLineNo">054</span><a name="line.54"></a> -<span class="sourceLineNo">055</span> /**<a name="line.55"></a> -<span class="sourceLineNo">056</span> * @param period the period of time to sleep between each run<a name="line.56"></a> -<span class="sourceLineNo">057</span> * @param stopper the stopper<a name="line.57"></a> -<span class="sourceLineNo">058</span> * @param conf configuration to use<a name="line.58"></a> -<span class="sourceLineNo">059</span> * @param fs handle to the FS<a name="line.59"></a> -<span class="sourceLineNo">060</span> * @param oldLogDir the path to the archived logs<a name="line.60"></a> -<span class="sourceLineNo">061</span> */<a name="line.61"></a> -<span class="sourceLineNo">062</span> public LogCleaner(final int period, final Stoppable stopper, Configuration conf, FileSystem fs,<a name="line.62"></a> -<span class="sourceLineNo">063</span> Path oldLogDir) {<a name="line.63"></a> -<span class="sourceLineNo">064</span> super("LogsCleaner", period, stopper, conf, fs, oldLogDir, HBASE_MASTER_LOGCLEANER_PLUGINS);<a name="line.64"></a> -<span class="sourceLineNo">065</span> this.pendingDelete = new LinkedBlockingQueue<>();<a name="line.65"></a> -<span class="sourceLineNo">066</span> int size = conf.getInt(OLD_WALS_CLEANER_SIZE, OLD_WALS_CLEANER_DEFAULT_SIZE);<a name="line.66"></a> -<span class="sourceLineNo">067</span> this.oldWALsCleaner = createOldWalsCleaner(size);<a name="line.67"></a> -<span class="sourceLineNo">068</span> }<a name="line.68"></a> -<span class="sourceLineNo">069</span><a name="line.69"></a> -<span class="sourceLineNo">070</span> @Override<a name="line.70"></a> -<span class="sourceLineNo">071</span> protected boolean validate(Path file) {<a name="line.71"></a> -<span class="sourceLineNo">072</span> return AbstractFSWALProvider.validateWALFilename(file.getName())<a name="line.72"></a> -<span class="sourceLineNo">073</span> || MasterProcedureUtil.validateProcedureWALFilename(file.getName());<a name="line.73"></a> -<span class="sourceLineNo">074</span> }<a name="line.74"></a> -<span class="sourceLineNo">075</span><a name="line.75"></a> -<span class="sourceLineNo">076</span> @Override<a name="line.76"></a> -<span class="sourceLineNo">077</span> public void onConfigurationChange(Configuration conf) {<a name="line.77"></a> -<span class="sourceLineNo">078</span> super.onConfigurationChange(conf);<a name="line.78"></a> -<span class="sourceLineNo">079</span><a name="line.79"></a> -<span class="sourceLineNo">080</span> int newSize = conf.getInt(OLD_WALS_CLEANER_SIZE, OLD_WALS_CLEANER_DEFAULT_SIZE);<a name="line.80"></a> -<span class="sourceLineNo">081</span> if (newSize == oldWALsCleaner.size()) {<a name="line.81"></a> -<span class="sourceLineNo">082</span> if (LOG.isDebugEnabled()) {<a name="line.82"></a> -<span class="sourceLineNo">083</span> LOG.debug("Size from configuration is the same as previous which is " +<a name="line.83"></a> -<span class="sourceLineNo">084</span> newSize + ", no need to update.");<a name="line.84"></a> -<span class="sourceLineNo">085</span> }<a name="line.85"></a> -<span class="sourceLineNo">086</span> return;<a name="line.86"></a> -<span class="sourceLineNo">087</span> }<a name="line.87"></a> -<span class="sourceLineNo">088</span> interruptOldWALsCleaner();<a name="line.88"></a> -<span class="sourceLineNo">089</span> oldWALsCleaner = createOldWalsCleaner(newSize);<a name="line.89"></a> -<span class="sourceLineNo">090</span> }<a name="line.90"></a> -<span class="sourceLineNo">091</span><a name="line.91"></a> -<span class="sourceLineNo">092</span> @Override<a name="line.92"></a> -<span class="sourceLineNo">093</span> protected int deleteFiles(Iterable<FileStatus> filesToDelete) {<a name="line.93"></a> -<span class="sourceLineNo">094</span> List<CleanerContext> results = new LinkedList<>();<a name="line.94"></a> -<span class="sourceLineNo">095</span> for (FileStatus toDelete : filesToDelete) {<a name="line.95"></a> -<span class="sourceLineNo">096</span> CleanerContext context = CleanerContext.createCleanerContext(toDelete);<a name="line.96"></a> -<span class="sourceLineNo">097</span> if (context != null) {<a name="line.97"></a> -<span class="sourceLineNo">098</span> pendingDelete.add(context);<a name="line.98"></a> -<span class="sourceLineNo">099</span> results.add(context);<a name="line.99"></a> -<span class="sourceLineNo">100</span> }<a name="line.100"></a> -<span class="sourceLineNo">101</span> }<a name="line.101"></a> -<span class="sourceLineNo">102</span><a name="line.102"></a> -<span class="sourceLineNo">103</span> int deletedFiles = 0;<a name="line.103"></a> -<span class="sourceLineNo">104</span> for (CleanerContext res : results) {<a name="line.104"></a> -<span class="sourceLineNo">105</span> deletedFiles += res.getResult(500) ? 1 : 0;<a name="line.105"></a> -<span class="sourceLineNo">106</span> }<a name="line.106"></a> -<span class="sourceLineNo">107</span> return deletedFiles;<a name="line.107"></a> -<span class="sourceLineNo">108</span> }<a name="line.108"></a> -<span class="sourceLineNo">109</span><a name="line.109"></a> -<span class="sourceLineNo">110</span> @Override<a name="line.110"></a> -<span class="sourceLineNo">111</span> public synchronized void cleanup() {<a name="line.111"></a> -<span class="sourceLineNo">112</span> super.cleanup();<a name="line.112"></a> -<span class="sourceLineNo">113</span> interruptOldWALsCleaner();<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> @VisibleForTesting<a name="line.116"></a> -<span class="sourceLineNo">117</span> int getSizeOfCleaners() {<a name="line.117"></a> -<span class="sourceLineNo">118</span> return oldWALsCleaner.size();<a name="line.118"></a> -<span class="sourceLineNo">119</span> }<a name="line.119"></a> -<span class="sourceLineNo">120</span><a name="line.120"></a> -<span class="sourceLineNo">121</span> private List<Thread> createOldWalsCleaner(int size) {<a name="line.121"></a> -<span class="sourceLineNo">122</span> LOG.info("Creating OldWALs cleaners with size=" + size);<a name="line.122"></a> -<span class="sourceLineNo">123</span><a name="line.123"></a> -<span class="sourceLineNo">124</span> List<Thread> oldWALsCleaner = new ArrayList<>(size);<a name="line.124"></a> -<span class="sourceLineNo">125</span> for (int i = 0; i < size; i++) {<a name="line.125"></a> -<span class="sourceLineNo">126</span> Thread cleaner = new Thread(() -> deleteFile());<a name="line.126"></a> -<span class="sourceLineNo">127</span> cleaner.setName("OldWALsCleaner-" + i);<a name="line.127"></a> -<span class="sourceLineNo">128</span> cleaner.setDaemon(true);<a name="line.128"></a> -<span class="sourceLineNo">129</span> cleaner.start();<a name="line.129"></a> -<span class="sourceLineNo">130</span> oldWALsCleaner.add(cleaner);<a name="line.130"></a> -<span class="sourceLineNo">131</span> }<a name="line.131"></a> -<span class="sourceLineNo">132</span> return oldWALsCleaner;<a name="line.132"></a> -<span class="sourceLineNo">133</span> }<a name="line.133"></a> -<span class="sourceLineNo">134</span><a name="line.134"></a> -<span class="sourceLineNo">135</span> private void interruptOldWALsCleaner() {<a name="line.135"></a> -<span class="sourceLineNo">136</span> for (Thread cleaner : oldWALsCleaner) {<a name="line.136"></a> -<span class="sourceLineNo">137</span> cleaner.interrupt();<a name="line.137"></a> -<span class="sourceLineNo">138</span> }<a name="line.138"></a> -<span class="sourceLineNo">139</span> oldWALsCleaner.clear();<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> private void deleteFile() {<a name="line.142"></a> -<span class="sourceLineNo">143</span> while (true) {<a name="line.143"></a> -<span class="sourceLineNo">144</span> CleanerContext context = null;<a name="line.144"></a> -<span class="sourceLineNo">145</span> boolean succeed = false;<a name="line.145"></a> -<span class="sourceLineNo">146</span> boolean interrupted = false;<a name="line.146"></a> -<span class="sourceLineNo">147</span> try {<a name="line.147"></a> -<span class="sourceLineNo">148</span> context = pendingDelete.take();<a name="line.148"></a> -<span class="sourceLineNo">149</span> if (context != null) {<a name="line.149"></a> -<span class="sourceLineNo">150</span> FileStatus toClean = context.getTargetToClean();<a name="line.150"></a> -<span class="sourceLineNo">151</span> succeed = this.fs.delete(toClean.getPath(), false);<a name="line.151"></a> -<span class="sourceLineNo">152</span> }<a name="line.152"></a> -<span class="sourceLineNo">153</span> } catch (InterruptedException ite) {<a name="line.153"></a> -<span class="sourceLineNo">154</span> // It's most likely from configuration changing request<a name="line.154"></a> -<span class="sourceLineNo">155</span> if (context != null) {<a name="line.155"></a> -<span class="sourceLineNo">156</span> LOG.warn("Interrupted while cleaning oldWALs " +<a name="line.156"></a> -<span class="sourceLineNo">157</span> context.getTargetToClean() + ", try to clean it next round.");<a name="line.157"></a> -<span class="sourceLineNo">158</span> }<a name="line.158"></a> -<span class="sourceLineNo">159</span> interrupted = true;<a name="line.159"></a> -<span class="sourceLineNo">160</span> } catch (IOException e) {<a name="line.160"></a> -<span class="sourceLineNo">161</span> // fs.delete() fails.<a name="line.161"></a> -<span class="sourceLineNo">162</span> LOG.warn("Failed to clean oldwals with exception: " + e);<a name="line.162"></a> -<span class="sourceLineNo">163</span> succeed = false;<a name="line.163"></a> -<span class="sourceLineNo">164</span> } finally {<a name="line.164"></a> -<span class="sourceLineNo">165</span> if (context != null) {<a name="line.165"></a> -<span class="sourceLineNo">166</span> context.setResult(succeed);<a name="line.166"></a> -<span class="sourceLineNo">167</span> }<a name="line.167"></a> -<span class="sourceLineNo">168</span> if (interrupted) {<a name="line.168"></a> -<span class="sourceLineNo">169</span> // Restore interrupt status<a name="line.169"></a> -<span class="sourceLineNo">170</span> Thread.currentThread().interrupt();<a name="line.170"></a> -<span class="sourceLineNo">171</span> break;<a name="line.171"></a> -<span class="sourceLineNo">172</span> }<a name="line.172"></a> -<span class="sourceLineNo">173</span> }<a name="line.173"></a> -<span class="sourceLineNo">174</span> }<a name="line.174"></a> -<span class="sourceLineNo">175</span> if (LOG.isDebugEnabled()) {<a name="line.175"></a> -<span class="sourceLineNo">176</span> LOG.debug("Exiting cleaner.");<a name="line.176"></a> -<span class="sourceLineNo">177</span> }<a name="line.177"></a> -<span class="sourceLineNo">178</span> }<a name="line.178"></a> -<span class="sourceLineNo">179</span><a name="line.179"></a> -<span class="sourceLineNo">180</span> @Override<a name="line.180"></a> -<span class="sourceLineNo">181</span> public synchronized void cancel(boolean mayInterruptIfRunning) {<a name="line.181"></a> -<span class="sourceLineNo">182</span> super.cancel(mayInterruptIfRunning);<a name="line.182"></a> -<span class="sourceLineNo">183</span> for (Thread t : oldWALsCleaner) {<a name="line.183"></a> -<span class="sourceLineNo">184</span> t.interrupt();<a name="line.184"></a> -<span class="sourceLineNo">185</span> }<a name="line.185"></a> -<span class="sourceLineNo">186</span> }<a name="line.186"></a> -<span class="sourceLineNo">187</span><a name="line.187"></a> -<span class="sourceLineNo">188</span> private static final class CleanerContext {<a name="line.188"></a> -<span class="sourceLineNo">189</span> // At most waits 60 seconds<a name="line.189"></a> -<span class="sourceLineNo">190</span> static final long MAX_WAIT = 60 * 1000;<a name="line.190"></a> -<span class="sourceLineNo">191</span><a name="line.191"></a> -<span class="sourceLineNo">192</span> final FileStatus target;<a name="line.192"></a> -<span class="sourceLineNo">193</span> volatile boolean result;<a name="line.193"></a> -<span class="sourceLineNo">194</span> volatile boolean setFromCleaner = false;<a name="line.194"></a> -<span class="sourceLineNo">195</span><a name="line.195"></a> -<span class="sourceLineNo">196</span> static CleanerContext createCleanerContext(FileStatus status) {<a name="line.196"></a> -<span class="sourceLineNo">197</span> return status != null ? new CleanerContext(status) : null;<a name="line.197"></a> -<span class="sourceLineNo">198</span> }<a name="line.198"></a> -<span class="sourceLineNo">199</span><a name="line.199"></a> -<span class="sourceLineNo">200</span> private CleanerContext(FileStatus status) {<a name="line.200"></a> -<span class="sourceLineNo">201</span> this.target = status;<a name="line.201"></a> -<span class="sourceLineNo">202</span> this.result = false;<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> synchronized void setResult(boolean res) {<a name="line.205"></a> -<span class="sourceLineNo">206</span> this.result = res;<a name="line.206"></a> -<span class="sourceLineNo">207</span> this.setFromCleaner = true;<a name="line.207"></a> -<span class="sourceLineNo">208</span> notify();<a name="line.208"></a> -<span class="sourceLineNo">209</span> }<a name="line.209"></a> -<span class="sourceLineNo">210</span><a name="line.210"></a> -<span class="sourceLineNo">211</span> synchronized boolean getResult(long waitIfNotFinished) {<a name="line.211"></a> -<span class="sourceLineNo">212</span> long totalTime = 0;<a name="line.212"></a> -<span class="sourceLineNo">213</span> try {<a name="line.213"></a> -<span class="sourceLineNo">214</span> while (!setFromCleaner) {<a name="line.214"></a> -<span class="sourceLineNo">215</span> wait(waitIfNotFinished);<a name="line.215"></a> -<span class="sourceLineNo">216</span> totalTime += waitIfNotFinished;<a name="line.216"></a> -<span class="sourceLineNo">217</span> if (totalTime >= MAX_WAIT) {<a name="line.217"></a> -<span class="sourceLineNo">218</span> LOG.warn("Spend too much time to delete oldwals " + target);<a name="line.218"></a> -<span class="sourceLineNo">219</span> return result;<a name="line.219"></a> -<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> } catch (InterruptedException e) {<a name="line.222"></a> -<span class="sourceLineNo">223</span> LOG.warn("Interrupted while waiting deletion of " + target);<a name="line.223"></a> -<span class="sourceLineNo">224</span> return result;<a name="line.224"></a> -<span class="sourceLineNo">225</span> }<a name="line.225"></a> -<span class="sourceLineNo">226</span> return result;<a name="line.226"></a> -<span class="sourceLineNo">227</span> }<a name="line.227"></a> -<span class="sourceLineNo">228</span><a name="line.228"></a> -<span class="sourceLineNo">229</span> FileStatus getTargetToClean() {<a name="line.229"></a> -<span class="sourceLineNo">230</span> return target;<a name="line.230"></a> -<span class="sourceLineNo">231</span> }<a name="line.231"></a> -<span class="sourceLineNo">232</span> }<a name="line.232"></a> -<span class="sourceLineNo">233</span>}<a name="line.233"></a> +<span class="sourceLineNo">027</span>import java.util.concurrent.TimeUnit;<a name="line.27"></a> +<span class="sourceLineNo">028</span><a name="line.28"></a> +<span class="sourceLineNo">029</span>import org.apache.hadoop.conf.Configuration;<a name="line.29"></a> +<span class="sourceLineNo">030</span>import org.apache.hadoop.fs.FileStatus;<a name="line.30"></a> +<span class="sourceLineNo">031</span>import org.apache.hadoop.fs.FileSystem;<a name="line.31"></a> +<span class="sourceLineNo">032</span>import org.apache.hadoop.fs.Path;<a name="line.32"></a> +<span class="sourceLineNo">033</span>import org.apache.hadoop.hbase.Stoppable;<a name="line.33"></a> +<span class="sourceLineNo">034</span>import org.apache.hadoop.hbase.master.procedure.MasterProcedureUtil;<a name="line.34"></a> +<span class="sourceLineNo">035</span>import org.apache.hadoop.hbase.wal.AbstractFSWALProvider;<a name="line.35"></a> +<span class="sourceLineNo">036</span>import org.apache.yetus.audience.InterfaceAudience;<a name="line.36"></a> +<span class="sourceLineNo">037</span>import org.slf4j.Logger;<a name="line.37"></a> +<span class="sourceLineNo">038</span>import org.slf4j.LoggerFactory;<a name="line.38"></a> +<span class="sourceLineNo">039</span>import org.apache.hbase.thirdparty.com.google.common.annotations.VisibleForTesting;<a name="line.39"></a> +<span class="sourceLineNo">040</span><a name="line.40"></a> +<span class="sourceLineNo">041</span>/**<a name="line.41"></a> +<span class="sourceLineNo">042</span> * This Chore, every time it runs, will attempt to delete the WALs and Procedure WALs in the old<a name="line.42"></a> +<span class="sourceLineNo">043</span> * logs folder. The WAL is only deleted if none of the cleaner delegates says otherwise.<a name="line.43"></a> +<span class="sourceLineNo">044</span> * @see BaseLogCleanerDelegate<a name="line.44"></a> +<span class="sourceLineNo">045</span> */<a name="line.45"></a> +<span class="sourceLineNo">046</span>@InterfaceAudience.Private<a name="line.46"></a> +<span class="sourceLineNo">047</span>public class LogCleaner extends CleanerChore<BaseLogCleanerDelegate> {<a name="line.47"></a> +<span class="sourceLineNo">048</span> private static final Logger LOG = LoggerFactory.getLogger(LogCleaner.class.getName());<a name="line.48"></a> +<span class="sourceLineNo">049</span><a name="line.49"></a> +<span class="sourceLineNo">050</span> public static final String OLD_WALS_CLEANER_THREAD_SIZE = "hbase.oldwals.cleaner.thread.size";<a name="line.50"></a> +<span class="sourceLineNo">051</span> public static final int DEFAULT_OLD_WALS_CLEANER_THREAD_SIZE = 2;<a name="line.51"></a> +<span class="sourceLineNo">052</span><a name="line.52"></a> +<span class="sourceLineNo">053</span> public static final String OLD_WALS_CLEANER_THREAD_TIMEOUT_MSEC =<a name="line.53"></a> +<span class="sourceLineNo">054</span> "hbase.oldwals.cleaner.thread.timeout.msec";<a name="line.54"></a> +<span class="sourceLineNo">055</span> @VisibleForTesting<a name="line.55"></a> +<span class="sourceLineNo">056</span> static final long DEFAULT_OLD_WALS_CLEANER_THREAD_TIMEOUT_MSEC = 60 * 1000L;<a name="line.56"></a> +<span class="sourceLineNo">057</span><a name="line.57"></a> +<span class="sourceLineNo">058</span> public static final String OLD_WALS_CLEANER_THREAD_CHECK_INTERVAL_MSEC =<a name="line.58"></a> +<span class="sourceLineNo">059</span> "hbase.oldwals.cleaner.thread.check.interval.msec";<a name="line.59"></a> +<span class="sourceLineNo">060</span> @VisibleForTesting<a name="line.60"></a> +<span class="sourceLineNo">061</span> static final long DEFAULT_OLD_WALS_CLEANER_THREAD_CHECK_INTERVAL_MSEC = 500L;<a name="line.61"></a> +<span class="sourceLineNo">062</span><a name="line.62"></a> +<span class="sourceLineNo">063</span><a name="line.63"></a> +<span class="sourceLineNo">064</span> private final LinkedBlockingQueue<CleanerContext> pendingDelete;<a name="line.64"></a> +<span class="sourceLineNo">065</span> private List<Thread> oldWALsCleaner;<a name="line.65"></a> +<span class="sourceLineNo">066</span> private long cleanerThreadTimeoutMsec;<a name="line.66"></a> +<span class="sourceLineNo">067</span> private long cleanerThreadCheckIntervalMsec;<a name="line.67"></a> +<span class="sourceLineNo">068</span><a name="line.68"></a> +<span class="sourceLineNo">069</span> /**<a name="line.69"></a> +<span class="sourceLineNo">070</span> * @param period the period of time to sleep between each run<a name="line.70"></a> +<span class="sourceLineNo">071</span> * @param stopper the stopper<a name="line.71"></a> +<span class="sourceLineNo">072</span> * @param conf configuration to use<a name="line.72"></a> +<span class="sourceLineNo">073</span> * @param fs handle to the FS<a name="line.73"></a> +<span class="sourceLineNo">074</span> * @param oldLogDir the path to the archived logs<a name="line.74"></a> +<span class="sourceLineNo">075</span> */<a name="line.75"></a> +<span class="sourceLineNo">076</span> public LogCleaner(final int period, final Stoppable stopper, Configuration conf, FileSystem fs,<a name="line.76"></a> +<span class="sourceLineNo">077</span> Path oldLogDir) {<a name="line.77"></a> +<span class="sourceLineNo">078</span> super("LogsCleaner", period, stopper, conf, fs, oldLogDir, HBASE_MASTER_LOGCLEANER_PLUGINS);<a name="line.78"></a> +<span class="sourceLineNo">079</span> this.pendingDelete = new LinkedBlockingQueue<>();<a name="line.79"></a> +<span class="sourceLineNo">080</span> int size = conf.getInt(OLD_WALS_CLEANER_THREAD_SIZE, DEFAULT_OLD_WALS_CLEANER_THREAD_SIZE);<a name="line.80"></a> +<span class="sourceLineNo">081</span> this.oldWALsCleaner = createOldWalsCleaner(size);<a name="line.81"></a> +<span class="sourceLineNo">082</span> this.cleanerThreadTimeoutMsec = conf.getLong(OLD_WALS_CLEANER_THREAD_TIMEOUT_MSEC,<a name="line.82"></a> +<span class="sourceLineNo">083</span> DEFAULT_OLD_WALS_CLEANER_THREAD_TIMEOUT_MSEC);<a name="line.83"></a> +<span class="sourceLineNo">084</span> this.cleanerThreadCheckIntervalMsec = conf.getLong(OLD_WALS_CLEANER_THREAD_CHECK_INTERVAL_MSEC,<a name="line.84"></a> +<span class="sourceLineNo">085</span> DEFAULT_OLD_WALS_CLEANER_THREAD_CHECK_INTERVAL_MSEC);<a name="line.85"></a> +<span class="sourceLineNo">086</span> }<a name="line.86"></a> +<span class="sourceLineNo">087</span><a name="line.87"></a> +<span class="sourceLineNo">088</span> @Override<a name="line.88"></a> +<span class="sourceLineNo">089</span> protected boolean validate(Path file) {<a name="line.89"></a> +<span class="sourceLineNo">090</span> return AbstractFSWALProvider.validateWALFilename(file.getName())<a name="line.90"></a> +<span class="sourceLineNo">091</span> || MasterProcedureUtil.validateProcedureWALFilename(file.getName());<a name="line.91"></a> +<span class="sourceLineNo">092</span> }<a name="line.92"></a> +<span class="sourceLineNo">093</span><a name="line.93"></a> +<span class="sourceLineNo">094</span> @Override<a name="line.94"></a> +<span class="sourceLineNo">095</span> public void onConfigurationChange(Configuration conf) {<a name="line.95"></a> +<span class="sourceLineNo">096</span> super.onConfigurationChange(conf);<a name="line.96"></a> +<span class="sourceLineNo">097</span><a name="line.97"></a> +<span class="sourceLineNo">098</span> int newSize = conf.getInt(OLD_WALS_CLEANER_THREAD_SIZE, DEFAULT_OLD_WALS_CLEANER_THREAD_SIZE);<a name="line.98"></a> +<span class="sourceLineNo">099</span> if (newSize == oldWALsCleaner.size()) {<a name="line.99"></a> +<span class="sourceLineNo">100</span> if (LOG.isDebugEnabled()) {<a name="line.100"></a> +<span class="sourceLineNo">101</span> LOG.debug("Size from configuration is the same as previous which is " +<a name="line.101"></a> +<span class="sourceLineNo">102</span> newSize + ", no need to update.");<a name="line.102"></a> +<span class="sourceLineNo">103</span> }<a name="line.103"></a> +<span class="sourceLineNo">104</span> return;<a name="line.104"></a> +<span class="sourceLineNo">105</span> }<a name="line.105"></a> +<span class="sourceLineNo">106</span> interruptOldWALsCleaner();<a name="line.106"></a> +<span class="sourceLineNo">107</span> oldWALsCleaner = createOldWalsCleaner(newSize);<a name="line.107"></a> +<span class="sourceLineNo">108</span> cleanerThreadTimeoutMsec = conf.getLong(OLD_WALS_CLEANER_THREAD_TIMEOUT_MSEC,<a name="line.108"></a> +<span class="sourceLineNo">109</span> DEFAULT_OLD_WALS_CLEANER_THREAD_TIMEOUT_MSEC);<a name="line.109"></a> +<span class="sourceLineNo">110</span> cleanerThreadCheckIntervalMsec = conf.getLong(OLD_WALS_CLEANER_THREAD_CHECK_INTERVAL_MSEC,<a name="line.110"></a> +<span class="sourceLineNo">111</span> DEFAULT_OLD_WALS_CLEANER_THREAD_CHECK_INTERVAL_MSEC);<a name="line.111"></a> +<span class="sourceLineNo">112</span> }<a name="line.112"></a> +<span class="sourceLineNo">113</span><a name="line.113"></a> +<span class="sourceLineNo">114</span> @Override<a name="line.114"></a> +<span class="sourceLineNo">115</span> protected int deleteFiles(Iterable<FileStatus> filesToDelete) {<a name="line.115"></a> +<span class="sourceLineNo">116</span> List<CleanerContext> results = new LinkedList<>();<a name="line.116"></a> +<span class="sourceLineNo">117</span> for (FileStatus toDelete : filesToDelete) {<a name="line.117"></a> +<span class="sourceLineNo">118</span> CleanerContext context = CleanerContext.createCleanerContext(toDelete,<a name="line.118"></a> +<span class="sourceLineNo">119</span> cleanerThreadTimeoutMsec);<a name="line.119"></a> +<span class="sourceLineNo">120</span> if (context != null) {<a name="line.120"></a> +<span class="sourceLineNo">121</span> pendingDelete.add(context);<a name="line.121"></a> +<span class="sourceLineNo">122</span> results.add(context);<a name="line.122"></a> +<span class="sourceLineNo">123</span> }<a name="line.123"></a> +<span class="sourceLineNo">124</span> }<a name="line.124"></a> +<span class="sourceLineNo">125</span><a name="line.125"></a> +<span class="sourceLineNo">126</span> int deletedFiles = 0;<a name="line.126"></a> +<span class="sourceLineNo">127</span> for (CleanerContext res : results) {<a name="line.127"></a> +<span class="sourceLineNo">128</span> deletedFiles += res.getResult(cleanerThreadCheckIntervalMsec) ? 1 : 0;<a name="line.128"></a> +<span class="sourceLineNo">129</span> }<a name="line.129"></a> +<span class="sourceLineNo">130</span> return deletedFiles;<a name="line.130"></a> +<span class="sourceLineNo">131</span> }<a name="line.131"></a> +<span class="sourceLineNo">132</span><a name="line.132"></a> +<span class="sourceLineNo">133</span> @Override<a name="line.133"></a> +<span class="sourceLineNo">134</span> public synchronized void cleanup() {<a name="line.134"></a> +<span class="sourceLineNo">135</span> super.cleanup();<a name="line.135"></a> +<span class="sourceLineNo">136</span> interruptOldWALsCleaner();<a name="line.136"></a> +<span class="sourceLineNo">137</span> }<a name="line.137"></a> +<span class="sourceLineNo">138</span><a name="line.138"></a> +<span class="sourceLineNo">139</span> @VisibleForTesting<a name="line.139"></a> +<span class="sourceLineNo">140</span> int getSizeOfCleaners() {<a name="line.140"></a> +<span class="sourceLineNo">141</span> return oldWALsCleaner.size();<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> @VisibleForTesting<a name="line.144"></a> +<span class="sourceLineNo">145</span> long getCleanerThreadTimeoutMsec() {<a name="line.145"></a> +<span class="sourceLineNo">146</span> return cleanerThreadTimeoutMsec;<a name="line.146"></a> +<span class="sourceLineNo">147</span> }<a name="line.147"></a> +<span class="sourceLineNo">148</span><a name="line.148"></a> +<span class="sourceLineNo">149</span> @VisibleForTesting<a name="line.149"></a> +<span class="sourceLineNo">150</span> long getCleanerThreadCheckIntervalMsec() {<a name="line.150"></a> +<span class="sourceLineNo">151</span> return cleanerThreadCheckIntervalMsec;<a name="line.151"></a> +<span class="sourceLineNo">152</span> }<a name="line.152"></a> +<span class="sourceLineNo">153</span><a name="line.153"></a> +<span class="sourceLineNo">154</span> private List<Thread> createOldWalsCleaner(int size) {<a name="line.154"></a> +<span class="sourceLineNo">155</span> LOG.info("Creating OldWALs cleaners with size=" + size);<a name="line.155"></a> +<span class="sourceLineNo">156</span><a name="line.156"></a> +<span class="sourceLineNo">157</span> List<Thread> oldWALsCleaner = new ArrayList<>(size);<a name="line.157"></a> +<span class="sourceLineNo">158</span> for (int i = 0; i < size; i++) {<a name="line.158"></a> +<span class="sourceLineNo">159</span> Thread cleaner = new Thread(() -> deleteFile());<a name="line.159"></a> +<span class="sourceLineNo">160</span> cleaner.setName("OldWALsCleaner-" + i);<a name="line.160"></a> +<span class="sourceLineNo">161</span> cleaner.setDaemon(true);<a name="line.161"></a> +<span class="sourceLineNo">162</span> cleaner.start();<a name="line.162"></a> +<span class="sourceLineNo">163</span> oldWALsCleaner.add(cleaner);<a name="line.163"></a> +<span class="sourceLineNo">164</span> }<a name="line.164"></a> +<span class="sourceLineNo">165</span> return oldWALsCleaner;<a name="line.165"></a> +<span class="sourceLineNo">166</span> }<a name="line.166"></a> +<span class="sourceLineNo">167</span><a name="line.167"></a> +<span class="sourceLineNo">168</span> private void interruptOldWALsCleaner() {<a name="line.168"></a> +<span class="sourceLineNo">169</span> for (Thread cleaner : oldWALsCleaner) {<a name="line.169"></a> +<span class="sourceLineNo">170</span> cleaner.interrupt();<a name="line.170"></a> +<span class="sourceLineNo">171</span> }<a name="line.171"></a> +<span class="sourceLineNo">172</span> oldWALsCleaner.clear();<a name="line.172"></a> +<span class="sourceLineNo">173</span> }<a name="line.173"></a> +<span class="sourceLineNo">174</span><a name="line.174"></a> +<span class="sourceLineNo">175</span> private void deleteFile() {<a name="line.175"></a> +<span class="sourceLineNo">176</span> while (true) {<a name="line.176"></a> +<span class="sourceLineNo">177</span> CleanerContext context = null;<a name="line.177"></a> +<span class="sourceLineNo">178</span> boolean succeed = false;<a name="line.178"></a> +<span class="sourceLineNo">179</span> boolean interrupted = false;<a name="line.179"></a> +<span class="sourceLineNo">180</span> try {<a name="line.180"></a> +<span class="sourceLineNo">181</span> context = pendingDelete.take();<a name="line.181"></a> +<span class="sourceLineNo">182</span> if (context != null) {<a name="line.182"></a> +<span class="sourceLineNo">183</span> FileStatus toClean = context.getTargetToClean();<a name="line.183"></a> +<span class="sourceLineNo">184</span> succeed = this.fs.delete(toClean.getPath(), false);<a name="line.184"></a> +<span class="sourceLineNo">185</span> }<a name="line.185"></a> +<span class="sourceLineNo">186</span> } catch (InterruptedException ite) {<a name="line.186"></a> +<span class="sourceLineNo">187</span> // It's most likely from configuration changing request<a name="line.187"></a> +<span class="sourceLineNo">188</span> if (context != null) {<a name="line.188"></a> +<span class="sourceLineNo">189</span> LOG.warn("Interrupted while cleaning oldWALs " +<a name="line.189"></a> +<span class="sourceLineNo">190</span> context.getTargetToClean() + ", try to clean it next round.");<a name="line.190"></a> +<span class="sourceLineNo">191</span> }<a name="line.191"></a> +<span class="sourceLineNo">192</span> interrupted = true;<a name="line.192"></a> +<span class="sourceLineNo">193</span> } catch (IOException e) {<a name="line.193"></a> +<span class="sourceLineNo">194</span> // fs.delete() fails.<a name="line.194"></a> +<span class="sourceLineNo">195</span> LOG.warn("Failed to clean oldwals with exception: " + e);<a name="line.195"></a> +<span class="sourceLineNo">196</span> succeed = false;<a name="line.196"></a> +<span class="sourceLineNo">197</span> } finally {<a name="line.197"></a> +<span class="sourceLineNo">198</span> if (context != null) {<a name="line.198"></a> +<span class="sourceLineNo">199</span> context.setResult(succeed);<a name="line.199"></a> +<span class="sourceLineNo">200</span> }<a name="line.200"></a> +<span class="sourceLineNo">201</span> if (interrupted) {<a name="line.201"></a> +<span class="sourceLineNo">202</span> // Restore interrupt status<a name="line.202"></a> +<span class="sourceLineNo">203</span> Thread.currentThread().interrupt();<a name="line.203"></a> +<span class="sourceLineNo">204</span> break;<a name="line.204"></a> +<span class="sourceLineNo">205</span> }<a name="line.205"></a> +<span class="sourceLineNo">206</span> }<a name="line.206"></a> +<span class="sourceLineNo">207</span> }<a name="line.207"></a> +<span class="sourceLineNo">208</span> if (LOG.isDebugEnabled()) {<a name="line.208"></a> +<span class="sourceLineNo">209</span> LOG.debug("Exiting cleaner.");<a name="line.209"></a> +<span class="sourceLineNo">210</span> }<a name="line.210"></a> +<span class="sourceLineNo">211</span> }<a name="line.211"></a> +<span class="sourceLineNo">212</span><a name="line.212"></a> +<span class="sourceLineNo">213</span> @Override<a name="line.213"></a> +<span class="sourceLineNo">214</span> public synchronized void cancel(boolean mayInterruptIfRunning) {<a name="line.214"></a> +<span class="sourceLineNo">215</span> super.cancel(mayInterruptIfRunning);<a name="line.215"></a> +<span class="sourceLineNo">216</span> for (Thread t : oldWALsCleaner) {<a name="line.216"></a> +<span class="sourceLineNo">217</span> t.interrupt();<a name="line.217"></a> +<span class="sourceLineNo">218</span> }<a name="line.218"></a> +<span class="sourceLineNo">219</span> }<a name="line.219"></a> +<span class="sourceLineNo">220</span><a name="line.220"></a> +<span class="sourceLineNo">221</span> private static final class CleanerContext {<a name="line.221"></a> +<span class="sourceLineNo">222</span><a name="line.222"></a> +<span class="sourceLineNo">223</span> final FileStatus target;<a name="line.223"></a> +<span class="sourceLineNo">224</span> volatile boolean result;<a name="line.224"></a> +<span class="sourceLineNo">225</span> volatile boolean setFromCleaner = false;<a name="line.225"></a> +<span class="sourceLineNo">226</span> long timeoutMsec;<a name="line.226"></a> +<span class="sourceLineNo">227</span><a name="line.227"></a> +<span class="sourceLineNo">228</span> static CleanerContext createCleanerContext(FileStatus status, long timeoutMsec) {<a name="line.228"></a> +<span class="sourceLineNo">229</span> return status != null ? new CleanerContext(status, timeoutMsec) : null;<a name="line.229"></a> +<span class="sourceLineNo">230</span> }<a name="line.230"></a> +<span class="sourceLineNo">231</span><a name="line.231"></a> +<span class="sourceLineNo">232</span> private CleanerContext(FileStatus status, long timeoutMsec) {<a name="line.232"></a> +<span class="sourceLineNo">233</span> this.target = status;<a name="line.233"></a> +<span class="sourceLineNo">234</span> this.result = false;<a name="line.234"></a> +<span class="sourceLineNo">235</span> this.timeoutMsec = timeoutMsec;<a name="line.235"></a> +<span class="sourceLineNo">236</span> }<a name="line.236"></a> +<span class="sourceLineNo">237</span><a name="line.237"></a> +<span class="sourceLineNo">238</span> synchronized void setResult(boolean res) {<a name="line.238"></a> +<span class="sourceLineNo">239</span> this.result = res;<a name="line.239"></a> +<span class="sourceLineNo">240</span> this.setFromCleaner = true;<a name="line.240"></a> +<span class="sourceLineNo">241</span> notify();<a name="line.241"></a> +<span class="sourceLineNo">242</span> }<a name="line.242"></a> +<span class="sourceLineNo">243</span><a name="line.243"></a> +<span class="sourceLineNo">244</span> synchronized boolean getResult(long waitIfNotFinished) {<a name="line.244"></a> +<span class="sourceLineNo">245</span> long totalTimeMsec = 0;<a name="line.245"></a> +<span class="sourceLineNo">246</span> try {<a name="line.246"></a> +<span class="sourceLineNo">247</span> while (!setFromCleaner) {<a name="line.247"></a> +<span class="sourceLineNo">248</span> long startTimeNanos = System.nanoTime();<a name="line.248"></a> +<span class="sourceLineNo">249</span> wait(waitIfNotFinished);<a name="line.249"></a> +<span class="sourceLineNo">250</span> totalTimeMsec += TimeUnit.MILLISECONDS.convert(System.nanoTime() - startTimeNanos,<a name="line.250"></a> +<span class="sourceLineNo">251</span> TimeUnit.NANOSECONDS);<a name="line.251"></a> +<span class="sourceLineNo">252</span> if (totalTimeMsec >= timeoutMsec) {<a name="line.252"></a> +<span class="sourceLineNo">253</span> LOG.warn("Spend too much time " + totalTimeMsec + " ms to delete oldwals " + target);<a name="line.253"></a> +<span class="sourceLineNo">254</span> return result;<a name="line.254"></a> +<span class="sourceLineNo">255</span> }<a name="line.255"></a> +<span class="sourceLineNo">256</span> }<a name="line.256"></a> +<span class="sourceLineNo">257</span> } catch (InterruptedException e) {<a name="line.257"></a> +<span class="sourceLineNo">258</span> LOG.warn("Interrupted while waiting deletion of " + target);<a name="line.258"></a> +<span class="sourceLineNo">259</span> return result;<a name="line.259"></a> +<span class="sourceLineNo">260</span> }<a name="line.260"></a> +<span class="sourceLineNo">261</span> return result;<a name="line.261"></a> +<span class="sourceLineNo">262</span> }<a name="line.262"></a> +<span class="sourceLineNo">263</span><a name="line.263"></a> +<span class="sourceLineNo">264</span> FileStatus getTargetToClean() {<a name="line.264"></a> +<span class="sourceLineNo">265</span> return target;<a name="line.265"></a> +<span class="sourceLineNo">266</span> }<a name="line.266"></a> +<span class="sourceLineNo">267</span> }<a name="line.267"></a> +<span class="sourceLineNo">268</span>}<a name="line.268"></a>
