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| <pre><span class="sourceLineNo">001</span>/**<a name="line.1"></a> |
| <span class="sourceLineNo">002</span> * Licensed to the Apache Software Foundation (ASF) under one<a name="line.2"></a> |
| <span class="sourceLineNo">003</span> * or more contributor license agreements. See the NOTICE file<a name="line.3"></a> |
| <span class="sourceLineNo">004</span> * distributed with this work for additional information<a name="line.4"></a> |
| <span class="sourceLineNo">005</span> * regarding copyright ownership. The ASF licenses this file<a name="line.5"></a> |
| <span class="sourceLineNo">006</span> * to you under the Apache License, Version 2.0 (the<a name="line.6"></a> |
| <span class="sourceLineNo">007</span> * "License"); you may not use this file except in compliance<a name="line.7"></a> |
| <span class="sourceLineNo">008</span> * with the License. You may obtain a copy of the License at<a name="line.8"></a> |
| <span class="sourceLineNo">009</span> *<a name="line.9"></a> |
| <span class="sourceLineNo">010</span> * http://www.apache.org/licenses/LICENSE-2.0<a name="line.10"></a> |
| <span class="sourceLineNo">011</span> *<a name="line.11"></a> |
| <span class="sourceLineNo">012</span> * Unless required by applicable law or agreed to in writing, software<a name="line.12"></a> |
| <span class="sourceLineNo">013</span> * distributed under the License is distributed on an "AS IS" BASIS,<a name="line.13"></a> |
| <span class="sourceLineNo">014</span> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.<a name="line.14"></a> |
| <span class="sourceLineNo">015</span> * See the License for the specific language governing permissions and<a name="line.15"></a> |
| <span class="sourceLineNo">016</span> * limitations under the License.<a name="line.16"></a> |
| <span class="sourceLineNo">017</span> */<a name="line.17"></a> |
| <span class="sourceLineNo">018</span>package org.apache.hadoop.hbase.master.cleaner;<a name="line.18"></a> |
| <span class="sourceLineNo">019</span><a name="line.19"></a> |
| <span class="sourceLineNo">020</span>import java.io.IOException;<a name="line.20"></a> |
| <span class="sourceLineNo">021</span>import java.util.Collections;<a name="line.21"></a> |
| <span class="sourceLineNo">022</span>import java.util.Comparator;<a name="line.22"></a> |
| <span class="sourceLineNo">023</span>import java.util.HashMap;<a name="line.23"></a> |
| <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.Map;<a name="line.26"></a> |
| <span class="sourceLineNo">027</span>import java.util.Optional;<a name="line.27"></a> |
| <span class="sourceLineNo">028</span>import java.util.concurrent.ExecutionException;<a name="line.28"></a> |
| <span class="sourceLineNo">029</span>import java.util.concurrent.RecursiveTask;<a name="line.29"></a> |
| <span class="sourceLineNo">030</span>import java.util.concurrent.atomic.AtomicBoolean;<a name="line.30"></a> |
| <span class="sourceLineNo">031</span>import org.apache.hadoop.conf.Configuration;<a name="line.31"></a> |
| <span class="sourceLineNo">032</span>import org.apache.hadoop.fs.FileStatus;<a name="line.32"></a> |
| <span class="sourceLineNo">033</span>import org.apache.hadoop.fs.FileSystem;<a name="line.33"></a> |
| <span class="sourceLineNo">034</span>import org.apache.hadoop.fs.Path;<a name="line.34"></a> |
| <span class="sourceLineNo">035</span>import org.apache.hadoop.fs.PathIsNotEmptyDirectoryException;<a name="line.35"></a> |
| <span class="sourceLineNo">036</span>import org.apache.hadoop.hbase.ScheduledChore;<a name="line.36"></a> |
| <span class="sourceLineNo">037</span>import org.apache.hadoop.hbase.Stoppable;<a name="line.37"></a> |
| <span class="sourceLineNo">038</span>import org.apache.hadoop.hbase.util.FSUtils;<a name="line.38"></a> |
| <span class="sourceLineNo">039</span>import org.apache.hadoop.ipc.RemoteException;<a name="line.39"></a> |
| <span class="sourceLineNo">040</span>import org.apache.yetus.audience.InterfaceAudience;<a name="line.40"></a> |
| <span class="sourceLineNo">041</span>import org.slf4j.Logger;<a name="line.41"></a> |
| <span class="sourceLineNo">042</span>import org.slf4j.LoggerFactory;<a name="line.42"></a> |
| <span class="sourceLineNo">043</span><a name="line.43"></a> |
| <span class="sourceLineNo">044</span>import org.apache.hbase.thirdparty.com.google.common.annotations.VisibleForTesting;<a name="line.44"></a> |
| <span class="sourceLineNo">045</span>import org.apache.hbase.thirdparty.com.google.common.base.Preconditions;<a name="line.45"></a> |
| <span class="sourceLineNo">046</span>import org.apache.hbase.thirdparty.com.google.common.base.Predicate;<a name="line.46"></a> |
| <span class="sourceLineNo">047</span>import org.apache.hbase.thirdparty.com.google.common.collect.ImmutableSet;<a name="line.47"></a> |
| <span class="sourceLineNo">048</span>import org.apache.hbase.thirdparty.com.google.common.collect.Iterables;<a name="line.48"></a> |
| <span class="sourceLineNo">049</span>import org.apache.hbase.thirdparty.com.google.common.collect.Lists;<a name="line.49"></a> |
| <span class="sourceLineNo">050</span><a name="line.50"></a> |
| <span class="sourceLineNo">051</span>/**<a name="line.51"></a> |
| <span class="sourceLineNo">052</span> * Abstract Cleaner that uses a chain of delegates to clean a directory of files<a name="line.52"></a> |
| <span class="sourceLineNo">053</span> * @param <T> Cleaner delegate class that is dynamically loaded from configuration<a name="line.53"></a> |
| <span class="sourceLineNo">054</span> */<a name="line.54"></a> |
| <span class="sourceLineNo">055</span>@InterfaceAudience.Private<a name="line.55"></a> |
| <span class="sourceLineNo">056</span>public abstract class CleanerChore<T extends FileCleanerDelegate> extends ScheduledChore {<a name="line.56"></a> |
| <span class="sourceLineNo">057</span><a name="line.57"></a> |
| <span class="sourceLineNo">058</span> private static final Logger LOG = LoggerFactory.getLogger(CleanerChore.class);<a name="line.58"></a> |
| <span class="sourceLineNo">059</span> private static final int AVAIL_PROCESSORS = Runtime.getRuntime().availableProcessors();<a name="line.59"></a> |
| <span class="sourceLineNo">060</span><a name="line.60"></a> |
| <span class="sourceLineNo">061</span> /**<a name="line.61"></a> |
| <span class="sourceLineNo">062</span> * If it is an integer and >= 1, it would be the size;<a name="line.62"></a> |
| <span class="sourceLineNo">063</span> * if 0.0 < size <= 1.0, size would be available processors * size.<a name="line.63"></a> |
| <span class="sourceLineNo">064</span> * Pay attention that 1.0 is different from 1, former indicates it will use 100% of cores,<a name="line.64"></a> |
| <span class="sourceLineNo">065</span> * while latter will use only 1 thread for chore to scan dir.<a name="line.65"></a> |
| <span class="sourceLineNo">066</span> */<a name="line.66"></a> |
| <span class="sourceLineNo">067</span> public static final String CHORE_POOL_SIZE = "hbase.cleaner.scan.dir.concurrent.size";<a name="line.67"></a> |
| <span class="sourceLineNo">068</span> static final String DEFAULT_CHORE_POOL_SIZE = "0.25";<a name="line.68"></a> |
| <span class="sourceLineNo">069</span><a name="line.69"></a> |
| <span class="sourceLineNo">070</span> private final DirScanPool pool;<a name="line.70"></a> |
| <span class="sourceLineNo">071</span><a name="line.71"></a> |
| <span class="sourceLineNo">072</span> protected final FileSystem fs;<a name="line.72"></a> |
| <span class="sourceLineNo">073</span> private final Path oldFileDir;<a name="line.73"></a> |
| <span class="sourceLineNo">074</span> private final Configuration conf;<a name="line.74"></a> |
| <span class="sourceLineNo">075</span> protected final Map<String, Object> params;<a name="line.75"></a> |
| <span class="sourceLineNo">076</span> private final AtomicBoolean enabled = new AtomicBoolean(true);<a name="line.76"></a> |
| <span class="sourceLineNo">077</span> protected List<T> cleanersChain;<a name="line.77"></a> |
| <span class="sourceLineNo">078</span><a name="line.78"></a> |
| <span class="sourceLineNo">079</span> public CleanerChore(String name, final int sleepPeriod, final Stoppable s, Configuration conf,<a name="line.79"></a> |
| <span class="sourceLineNo">080</span> FileSystem fs, Path oldFileDir, String confKey, DirScanPool pool) {<a name="line.80"></a> |
| <span class="sourceLineNo">081</span> this(name, sleepPeriod, s, conf, fs, oldFileDir, confKey, pool, null);<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> /**<a name="line.84"></a> |
| <span class="sourceLineNo">085</span> * @param name name of the chore being run<a name="line.85"></a> |
| <span class="sourceLineNo">086</span> * @param sleepPeriod the period of time to sleep between each run<a name="line.86"></a> |
| <span class="sourceLineNo">087</span> * @param s the stopper<a name="line.87"></a> |
| <span class="sourceLineNo">088</span> * @param conf configuration to use<a name="line.88"></a> |
| <span class="sourceLineNo">089</span> * @param fs handle to the FS<a name="line.89"></a> |
| <span class="sourceLineNo">090</span> * @param oldFileDir the path to the archived files<a name="line.90"></a> |
| <span class="sourceLineNo">091</span> * @param confKey configuration key for the classes to instantiate<a name="line.91"></a> |
| <span class="sourceLineNo">092</span> * @param pool the thread pool used to scan directories<a name="line.92"></a> |
| <span class="sourceLineNo">093</span> * @param params members could be used in cleaner<a name="line.93"></a> |
| <span class="sourceLineNo">094</span> */<a name="line.94"></a> |
| <span class="sourceLineNo">095</span> public CleanerChore(String name, final int sleepPeriod, final Stoppable s, Configuration conf,<a name="line.95"></a> |
| <span class="sourceLineNo">096</span> FileSystem fs, Path oldFileDir, String confKey, DirScanPool pool, Map<String, Object> params) {<a name="line.96"></a> |
| <span class="sourceLineNo">097</span> super(name, s, sleepPeriod);<a name="line.97"></a> |
| <span class="sourceLineNo">098</span><a name="line.98"></a> |
| <span class="sourceLineNo">099</span> Preconditions.checkNotNull(pool, "Chore's pool can not be null");<a name="line.99"></a> |
| <span class="sourceLineNo">100</span> this.pool = pool;<a name="line.100"></a> |
| <span class="sourceLineNo">101</span> this.fs = fs;<a name="line.101"></a> |
| <span class="sourceLineNo">102</span> this.oldFileDir = oldFileDir;<a name="line.102"></a> |
| <span class="sourceLineNo">103</span> this.conf = conf;<a name="line.103"></a> |
| <span class="sourceLineNo">104</span> this.params = params;<a name="line.104"></a> |
| <span class="sourceLineNo">105</span> initCleanerChain(confKey);<a name="line.105"></a> |
| <span class="sourceLineNo">106</span> }<a name="line.106"></a> |
| <span class="sourceLineNo">107</span><a name="line.107"></a> |
| <span class="sourceLineNo">108</span> /**<a name="line.108"></a> |
| <span class="sourceLineNo">109</span> * Calculate size for cleaner pool.<a name="line.109"></a> |
| <span class="sourceLineNo">110</span> * @param poolSize size from configuration<a name="line.110"></a> |
| <span class="sourceLineNo">111</span> * @return size of pool after calculation<a name="line.111"></a> |
| <span class="sourceLineNo">112</span> */<a name="line.112"></a> |
| <span class="sourceLineNo">113</span> static int calculatePoolSize(String poolSize) {<a name="line.113"></a> |
| <span class="sourceLineNo">114</span> if (poolSize.matches("[1-9][0-9]*")) {<a name="line.114"></a> |
| <span class="sourceLineNo">115</span> // If poolSize is an integer, return it directly,<a name="line.115"></a> |
| <span class="sourceLineNo">116</span> // but upmost to the number of available processors.<a name="line.116"></a> |
| <span class="sourceLineNo">117</span> int size = Math.min(Integer.parseInt(poolSize), AVAIL_PROCESSORS);<a name="line.117"></a> |
| <span class="sourceLineNo">118</span> if (size == AVAIL_PROCESSORS) {<a name="line.118"></a> |
| <span class="sourceLineNo">119</span> LOG.warn("Use full core processors to scan dir, size={}", size);<a name="line.119"></a> |
| <span class="sourceLineNo">120</span> }<a name="line.120"></a> |
| <span class="sourceLineNo">121</span> return size;<a name="line.121"></a> |
| <span class="sourceLineNo">122</span> } else if (poolSize.matches("0.[0-9]+|1.0")) {<a name="line.122"></a> |
| <span class="sourceLineNo">123</span> // if poolSize is a double, return poolSize * availableProcessors;<a name="line.123"></a> |
| <span class="sourceLineNo">124</span> // Ensure that we always return at least one.<a name="line.124"></a> |
| <span class="sourceLineNo">125</span> int computedThreads = (int) (AVAIL_PROCESSORS * Double.valueOf(poolSize));<a name="line.125"></a> |
| <span class="sourceLineNo">126</span> if (computedThreads < 1) {<a name="line.126"></a> |
| <span class="sourceLineNo">127</span> LOG.debug("Computed {} threads for CleanerChore, using 1 instead", computedThreads);<a name="line.127"></a> |
| <span class="sourceLineNo">128</span> return 1;<a name="line.128"></a> |
| <span class="sourceLineNo">129</span> }<a name="line.129"></a> |
| <span class="sourceLineNo">130</span> return computedThreads;<a name="line.130"></a> |
| <span class="sourceLineNo">131</span> } else {<a name="line.131"></a> |
| <span class="sourceLineNo">132</span> LOG.error("Unrecognized value: " + poolSize + " for " + CHORE_POOL_SIZE +<a name="line.132"></a> |
| <span class="sourceLineNo">133</span> ", use default config: " + DEFAULT_CHORE_POOL_SIZE + " instead.");<a name="line.133"></a> |
| <span class="sourceLineNo">134</span> return calculatePoolSize(DEFAULT_CHORE_POOL_SIZE);<a name="line.134"></a> |
| <span class="sourceLineNo">135</span> }<a name="line.135"></a> |
| <span class="sourceLineNo">136</span> }<a name="line.136"></a> |
| <span class="sourceLineNo">137</span><a name="line.137"></a> |
| <span class="sourceLineNo">138</span> /**<a name="line.138"></a> |
| <span class="sourceLineNo">139</span> * Validate the file to see if it even belongs in the directory. If it is valid, then the file<a name="line.139"></a> |
| <span class="sourceLineNo">140</span> * will go through the cleaner delegates, but otherwise the file is just deleted.<a name="line.140"></a> |
| <span class="sourceLineNo">141</span> * @param file full {@link Path} of the file to be checked<a name="line.141"></a> |
| <span class="sourceLineNo">142</span> * @return <tt>true</tt> if the file is valid, <tt>false</tt> otherwise<a name="line.142"></a> |
| <span class="sourceLineNo">143</span> */<a name="line.143"></a> |
| <span class="sourceLineNo">144</span> protected abstract boolean validate(Path file);<a name="line.144"></a> |
| <span class="sourceLineNo">145</span><a name="line.145"></a> |
| <span class="sourceLineNo">146</span> /**<a name="line.146"></a> |
| <span class="sourceLineNo">147</span> * Instantiate and initialize all the file cleaners set in the configuration<a name="line.147"></a> |
| <span class="sourceLineNo">148</span> * @param confKey key to get the file cleaner classes from the configuration<a name="line.148"></a> |
| <span class="sourceLineNo">149</span> */<a name="line.149"></a> |
| <span class="sourceLineNo">150</span> private void initCleanerChain(String confKey) {<a name="line.150"></a> |
| <span class="sourceLineNo">151</span> this.cleanersChain = new LinkedList<>();<a name="line.151"></a> |
| <span class="sourceLineNo">152</span> String[] logCleaners = conf.getStrings(confKey);<a name="line.152"></a> |
| <span class="sourceLineNo">153</span> if (logCleaners != null) {<a name="line.153"></a> |
| <span class="sourceLineNo">154</span> for (String className : logCleaners) {<a name="line.154"></a> |
| <span class="sourceLineNo">155</span> T logCleaner = newFileCleaner(className, conf);<a name="line.155"></a> |
| <span class="sourceLineNo">156</span> if (logCleaner != null) {<a name="line.156"></a> |
| <span class="sourceLineNo">157</span> LOG.debug("Initialize cleaner={}", className);<a name="line.157"></a> |
| <span class="sourceLineNo">158</span> this.cleanersChain.add(logCleaner);<a name="line.158"></a> |
| <span class="sourceLineNo">159</span> }<a name="line.159"></a> |
| <span class="sourceLineNo">160</span> }<a name="line.160"></a> |
| <span class="sourceLineNo">161</span> }<a name="line.161"></a> |
| <span class="sourceLineNo">162</span> }<a name="line.162"></a> |
| <span class="sourceLineNo">163</span><a name="line.163"></a> |
| <span class="sourceLineNo">164</span> /**<a name="line.164"></a> |
| <span class="sourceLineNo">165</span> * A utility method to create new instances of LogCleanerDelegate based on the class name of the<a name="line.165"></a> |
| <span class="sourceLineNo">166</span> * LogCleanerDelegate.<a name="line.166"></a> |
| <span class="sourceLineNo">167</span> * @param className fully qualified class name of the LogCleanerDelegate<a name="line.167"></a> |
| <span class="sourceLineNo">168</span> * @param conf used configuration<a name="line.168"></a> |
| <span class="sourceLineNo">169</span> * @return the new instance<a name="line.169"></a> |
| <span class="sourceLineNo">170</span> */<a name="line.170"></a> |
| <span class="sourceLineNo">171</span> private T newFileCleaner(String className, Configuration conf) {<a name="line.171"></a> |
| <span class="sourceLineNo">172</span> try {<a name="line.172"></a> |
| <span class="sourceLineNo">173</span> Class<? extends FileCleanerDelegate> c = Class.forName(className).asSubclass(<a name="line.173"></a> |
| <span class="sourceLineNo">174</span> FileCleanerDelegate.class);<a name="line.174"></a> |
| <span class="sourceLineNo">175</span> @SuppressWarnings("unchecked")<a name="line.175"></a> |
| <span class="sourceLineNo">176</span> T cleaner = (T) c.getDeclaredConstructor().newInstance();<a name="line.176"></a> |
| <span class="sourceLineNo">177</span> cleaner.setConf(conf);<a name="line.177"></a> |
| <span class="sourceLineNo">178</span> cleaner.init(this.params);<a name="line.178"></a> |
| <span class="sourceLineNo">179</span> return cleaner;<a name="line.179"></a> |
| <span class="sourceLineNo">180</span> } catch (Exception e) {<a name="line.180"></a> |
| <span class="sourceLineNo">181</span> LOG.warn("Can NOT create CleanerDelegate={}", className, e);<a name="line.181"></a> |
| <span class="sourceLineNo">182</span> // skipping if can't instantiate<a name="line.182"></a> |
| <span class="sourceLineNo">183</span> return null;<a name="line.183"></a> |
| <span class="sourceLineNo">184</span> }<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> @Override<a name="line.187"></a> |
| <span class="sourceLineNo">188</span> protected void chore() {<a name="line.188"></a> |
| <span class="sourceLineNo">189</span> if (getEnabled()) {<a name="line.189"></a> |
| <span class="sourceLineNo">190</span> try {<a name="line.190"></a> |
| <span class="sourceLineNo">191</span> pool.latchCountUp();<a name="line.191"></a> |
| <span class="sourceLineNo">192</span> if (runCleaner()) {<a name="line.192"></a> |
| <span class="sourceLineNo">193</span> LOG.trace("Cleaned all WALs under {}", oldFileDir);<a name="line.193"></a> |
| <span class="sourceLineNo">194</span> } else {<a name="line.194"></a> |
| <span class="sourceLineNo">195</span> LOG.trace("WALs outstanding under {}", oldFileDir);<a name="line.195"></a> |
| <span class="sourceLineNo">196</span> }<a name="line.196"></a> |
| <span class="sourceLineNo">197</span> } finally {<a name="line.197"></a> |
| <span class="sourceLineNo">198</span> pool.latchCountDown();<a name="line.198"></a> |
| <span class="sourceLineNo">199</span> }<a name="line.199"></a> |
| <span class="sourceLineNo">200</span> // After each cleaner chore, checks if received reconfigure notification while cleaning.<a name="line.200"></a> |
| <span class="sourceLineNo">201</span> // First in cleaner turns off notification, to avoid another cleaner updating pool again.<a name="line.201"></a> |
| <span class="sourceLineNo">202</span> // This cleaner is waiting for other cleaners finishing their jobs.<a name="line.202"></a> |
| <span class="sourceLineNo">203</span> // To avoid missing next chore, only wait 0.8 * period, then shutdown.<a name="line.203"></a> |
| <span class="sourceLineNo">204</span> pool.tryUpdatePoolSize((long) (0.8 * getTimeUnit().toMillis(getPeriod())));<a name="line.204"></a> |
| <span class="sourceLineNo">205</span> } else {<a name="line.205"></a> |
| <span class="sourceLineNo">206</span> LOG.trace("Cleaner chore disabled! Not cleaning.");<a name="line.206"></a> |
| <span class="sourceLineNo">207</span> }<a name="line.207"></a> |
| <span class="sourceLineNo">208</span> }<a name="line.208"></a> |
| <span class="sourceLineNo">209</span><a name="line.209"></a> |
| <span class="sourceLineNo">210</span> private void preRunCleaner() {<a name="line.210"></a> |
| <span class="sourceLineNo">211</span> cleanersChain.forEach(FileCleanerDelegate::preClean);<a name="line.211"></a> |
| <span class="sourceLineNo">212</span> }<a name="line.212"></a> |
| <span class="sourceLineNo">213</span><a name="line.213"></a> |
| <span class="sourceLineNo">214</span> public Boolean runCleaner() {<a name="line.214"></a> |
| <span class="sourceLineNo">215</span> preRunCleaner();<a name="line.215"></a> |
| <span class="sourceLineNo">216</span> CleanerTask task = new CleanerTask(this.oldFileDir, true);<a name="line.216"></a> |
| <span class="sourceLineNo">217</span> pool.execute(task);<a name="line.217"></a> |
| <span class="sourceLineNo">218</span> return task.join();<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> /**<a name="line.221"></a> |
| <span class="sourceLineNo">222</span> * Sort the given list in (descending) order of the space each element takes<a name="line.222"></a> |
| <span class="sourceLineNo">223</span> * @param dirs the list to sort, element in it should be directory (not file)<a name="line.223"></a> |
| <span class="sourceLineNo">224</span> */<a name="line.224"></a> |
| <span class="sourceLineNo">225</span> private void sortByConsumedSpace(List<FileStatus> dirs) {<a name="line.225"></a> |
| <span class="sourceLineNo">226</span> if (dirs == null || dirs.size() < 2) {<a name="line.226"></a> |
| <span class="sourceLineNo">227</span> // no need to sort for empty or single directory<a name="line.227"></a> |
| <span class="sourceLineNo">228</span> return;<a name="line.228"></a> |
| <span class="sourceLineNo">229</span> }<a name="line.229"></a> |
| <span class="sourceLineNo">230</span> dirs.sort(new Comparator<FileStatus>() {<a name="line.230"></a> |
| <span class="sourceLineNo">231</span> HashMap<FileStatus, Long> directorySpaces = new HashMap<>();<a name="line.231"></a> |
| <span class="sourceLineNo">232</span><a name="line.232"></a> |
| <span class="sourceLineNo">233</span> @Override<a name="line.233"></a> |
| <span class="sourceLineNo">234</span> public int compare(FileStatus f1, FileStatus f2) {<a name="line.234"></a> |
| <span class="sourceLineNo">235</span> long f1ConsumedSpace = getSpace(f1);<a name="line.235"></a> |
| <span class="sourceLineNo">236</span> long f2ConsumedSpace = getSpace(f2);<a name="line.236"></a> |
| <span class="sourceLineNo">237</span> return Long.compare(f2ConsumedSpace, f1ConsumedSpace);<a name="line.237"></a> |
| <span class="sourceLineNo">238</span> }<a name="line.238"></a> |
| <span class="sourceLineNo">239</span><a name="line.239"></a> |
| <span class="sourceLineNo">240</span> private long getSpace(FileStatus f) {<a name="line.240"></a> |
| <span class="sourceLineNo">241</span> Long cached = directorySpaces.get(f);<a name="line.241"></a> |
| <span class="sourceLineNo">242</span> if (cached != null) {<a name="line.242"></a> |
| <span class="sourceLineNo">243</span> return cached;<a name="line.243"></a> |
| <span class="sourceLineNo">244</span> }<a name="line.244"></a> |
| <span class="sourceLineNo">245</span> try {<a name="line.245"></a> |
| <span class="sourceLineNo">246</span> long space =<a name="line.246"></a> |
| <span class="sourceLineNo">247</span> f.isDirectory() ? fs.getContentSummary(f.getPath()).getSpaceConsumed() : f.getLen();<a name="line.247"></a> |
| <span class="sourceLineNo">248</span> directorySpaces.put(f, space);<a name="line.248"></a> |
| <span class="sourceLineNo">249</span> return space;<a name="line.249"></a> |
| <span class="sourceLineNo">250</span> } catch (IOException e) {<a name="line.250"></a> |
| <span class="sourceLineNo">251</span> LOG.trace("Failed to get space consumed by path={}", f, e);<a name="line.251"></a> |
| <span class="sourceLineNo">252</span> return -1;<a name="line.252"></a> |
| <span class="sourceLineNo">253</span> }<a name="line.253"></a> |
| <span class="sourceLineNo">254</span> }<a name="line.254"></a> |
| <span class="sourceLineNo">255</span> });<a name="line.255"></a> |
| <span class="sourceLineNo">256</span> }<a name="line.256"></a> |
| <span class="sourceLineNo">257</span><a name="line.257"></a> |
| <span class="sourceLineNo">258</span> /**<a name="line.258"></a> |
| <span class="sourceLineNo">259</span> * Run the given files through each of the cleaners to see if it should be deleted, deleting it if<a name="line.259"></a> |
| <span class="sourceLineNo">260</span> * necessary.<a name="line.260"></a> |
| <span class="sourceLineNo">261</span> * @param files List of FileStatus for the files to check (and possibly delete)<a name="line.261"></a> |
| <span class="sourceLineNo">262</span> * @return true iff successfully deleted all files<a name="line.262"></a> |
| <span class="sourceLineNo">263</span> */<a name="line.263"></a> |
| <span class="sourceLineNo">264</span> private boolean checkAndDeleteFiles(List<FileStatus> files) {<a name="line.264"></a> |
| <span class="sourceLineNo">265</span> if (files == null) {<a name="line.265"></a> |
| <span class="sourceLineNo">266</span> return true;<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> |
| <span class="sourceLineNo">269</span> // first check to see if the path is valid<a name="line.269"></a> |
| <span class="sourceLineNo">270</span> List<FileStatus> validFiles = Lists.newArrayListWithCapacity(files.size());<a name="line.270"></a> |
| <span class="sourceLineNo">271</span> List<FileStatus> invalidFiles = Lists.newArrayList();<a name="line.271"></a> |
| <span class="sourceLineNo">272</span> for (FileStatus file : files) {<a name="line.272"></a> |
| <span class="sourceLineNo">273</span> if (validate(file.getPath())) {<a name="line.273"></a> |
| <span class="sourceLineNo">274</span> validFiles.add(file);<a name="line.274"></a> |
| <span class="sourceLineNo">275</span> } else {<a name="line.275"></a> |
| <span class="sourceLineNo">276</span> LOG.warn("Found a wrongly formatted file: " + file.getPath() + " - will delete it.");<a name="line.276"></a> |
| <span class="sourceLineNo">277</span> invalidFiles.add(file);<a name="line.277"></a> |
| <span class="sourceLineNo">278</span> }<a name="line.278"></a> |
| <span class="sourceLineNo">279</span> }<a name="line.279"></a> |
| <span class="sourceLineNo">280</span><a name="line.280"></a> |
| <span class="sourceLineNo">281</span> Iterable<FileStatus> deletableValidFiles = validFiles;<a name="line.281"></a> |
| <span class="sourceLineNo">282</span> // check each of the cleaners for the valid files<a name="line.282"></a> |
| <span class="sourceLineNo">283</span> for (T cleaner : cleanersChain) {<a name="line.283"></a> |
| <span class="sourceLineNo">284</span> if (cleaner.isStopped() || this.getStopper().isStopped()) {<a name="line.284"></a> |
| <span class="sourceLineNo">285</span> LOG.warn("A file cleaner" + this.getName() + " is stopped, won't delete any more files in:"<a name="line.285"></a> |
| <span class="sourceLineNo">286</span> + this.oldFileDir);<a name="line.286"></a> |
| <span class="sourceLineNo">287</span> return false;<a name="line.287"></a> |
| <span class="sourceLineNo">288</span> }<a name="line.288"></a> |
| <span class="sourceLineNo">289</span><a name="line.289"></a> |
| <span class="sourceLineNo">290</span> Iterable<FileStatus> filteredFiles = cleaner.getDeletableFiles(deletableValidFiles);<a name="line.290"></a> |
| <span class="sourceLineNo">291</span><a name="line.291"></a> |
| <span class="sourceLineNo">292</span> // trace which cleaner is holding on to each file<a name="line.292"></a> |
| <span class="sourceLineNo">293</span> if (LOG.isTraceEnabled()) {<a name="line.293"></a> |
| <span class="sourceLineNo">294</span> ImmutableSet<FileStatus> filteredFileSet = ImmutableSet.copyOf(filteredFiles);<a name="line.294"></a> |
| <span class="sourceLineNo">295</span> for (FileStatus file : deletableValidFiles) {<a name="line.295"></a> |
| <span class="sourceLineNo">296</span> if (!filteredFileSet.contains(file)) {<a name="line.296"></a> |
| <span class="sourceLineNo">297</span> LOG.trace(file.getPath() + " is not deletable according to:" + cleaner);<a name="line.297"></a> |
| <span class="sourceLineNo">298</span> }<a name="line.298"></a> |
| <span class="sourceLineNo">299</span> }<a name="line.299"></a> |
| <span class="sourceLineNo">300</span> }<a name="line.300"></a> |
| <span class="sourceLineNo">301</span><a name="line.301"></a> |
| <span class="sourceLineNo">302</span> deletableValidFiles = filteredFiles;<a name="line.302"></a> |
| <span class="sourceLineNo">303</span> }<a name="line.303"></a> |
| <span class="sourceLineNo">304</span><a name="line.304"></a> |
| <span class="sourceLineNo">305</span> Iterable<FileStatus> filesToDelete = Iterables.concat(invalidFiles, deletableValidFiles);<a name="line.305"></a> |
| <span class="sourceLineNo">306</span> return deleteFiles(filesToDelete) == files.size();<a name="line.306"></a> |
| <span class="sourceLineNo">307</span> }<a name="line.307"></a> |
| <span class="sourceLineNo">308</span><a name="line.308"></a> |
| <span class="sourceLineNo">309</span> /**<a name="line.309"></a> |
| <span class="sourceLineNo">310</span> * Check if a empty directory with no subdirs or subfiles can be deleted<a name="line.310"></a> |
| <span class="sourceLineNo">311</span> * @param dir Path of the directory<a name="line.311"></a> |
| <span class="sourceLineNo">312</span> * @return True if the directory can be deleted, otherwise false<a name="line.312"></a> |
| <span class="sourceLineNo">313</span> */<a name="line.313"></a> |
| <span class="sourceLineNo">314</span> private boolean isEmptyDirDeletable(Path dir) {<a name="line.314"></a> |
| <span class="sourceLineNo">315</span> for (T cleaner : cleanersChain) {<a name="line.315"></a> |
| <span class="sourceLineNo">316</span> if (cleaner.isStopped() || this.getStopper().isStopped()) {<a name="line.316"></a> |
| <span class="sourceLineNo">317</span> LOG.warn("A file cleaner {} is stopped, won't delete the empty directory {}",<a name="line.317"></a> |
| <span class="sourceLineNo">318</span> this.getName(), dir);<a name="line.318"></a> |
| <span class="sourceLineNo">319</span> return false;<a name="line.319"></a> |
| <span class="sourceLineNo">320</span> }<a name="line.320"></a> |
| <span class="sourceLineNo">321</span> if (!cleaner.isEmptyDirDeletable(dir)) {<a name="line.321"></a> |
| <span class="sourceLineNo">322</span> // If one of the cleaner need the empty directory, skip delete it<a name="line.322"></a> |
| <span class="sourceLineNo">323</span> return false;<a name="line.323"></a> |
| <span class="sourceLineNo">324</span> }<a name="line.324"></a> |
| <span class="sourceLineNo">325</span> }<a name="line.325"></a> |
| <span class="sourceLineNo">326</span> return true;<a name="line.326"></a> |
| <span class="sourceLineNo">327</span> }<a name="line.327"></a> |
| <span class="sourceLineNo">328</span><a name="line.328"></a> |
| <span class="sourceLineNo">329</span> /**<a name="line.329"></a> |
| <span class="sourceLineNo">330</span> * Delete the given files<a name="line.330"></a> |
| <span class="sourceLineNo">331</span> * @param filesToDelete files to delete<a name="line.331"></a> |
| <span class="sourceLineNo">332</span> * @return number of deleted files<a name="line.332"></a> |
| <span class="sourceLineNo">333</span> */<a name="line.333"></a> |
| <span class="sourceLineNo">334</span> protected int deleteFiles(Iterable<FileStatus> filesToDelete) {<a name="line.334"></a> |
| <span class="sourceLineNo">335</span> int deletedFileCount = 0;<a name="line.335"></a> |
| <span class="sourceLineNo">336</span> for (FileStatus file : filesToDelete) {<a name="line.336"></a> |
| <span class="sourceLineNo">337</span> Path filePath = file.getPath();<a name="line.337"></a> |
| <span class="sourceLineNo">338</span> LOG.trace("Removing {} from archive", filePath);<a name="line.338"></a> |
| <span class="sourceLineNo">339</span> try {<a name="line.339"></a> |
| <span class="sourceLineNo">340</span> boolean success = this.fs.delete(filePath, false);<a name="line.340"></a> |
| <span class="sourceLineNo">341</span> if (success) {<a name="line.341"></a> |
| <span class="sourceLineNo">342</span> deletedFileCount++;<a name="line.342"></a> |
| <span class="sourceLineNo">343</span> } else {<a name="line.343"></a> |
| <span class="sourceLineNo">344</span> LOG.warn("Attempted to delete:" + filePath<a name="line.344"></a> |
| <span class="sourceLineNo">345</span> + ", but couldn't. Run cleaner chain and attempt to delete on next pass.");<a name="line.345"></a> |
| <span class="sourceLineNo">346</span> }<a name="line.346"></a> |
| <span class="sourceLineNo">347</span> } catch (IOException e) {<a name="line.347"></a> |
| <span class="sourceLineNo">348</span> e = e instanceof RemoteException ?<a name="line.348"></a> |
| <span class="sourceLineNo">349</span> ((RemoteException)e).unwrapRemoteException() : e;<a name="line.349"></a> |
| <span class="sourceLineNo">350</span> LOG.warn("Error while deleting: " + filePath, e);<a name="line.350"></a> |
| <span class="sourceLineNo">351</span> }<a name="line.351"></a> |
| <span class="sourceLineNo">352</span> }<a name="line.352"></a> |
| <span class="sourceLineNo">353</span> return deletedFileCount;<a name="line.353"></a> |
| <span class="sourceLineNo">354</span> }<a name="line.354"></a> |
| <span class="sourceLineNo">355</span><a name="line.355"></a> |
| <span class="sourceLineNo">356</span> @Override<a name="line.356"></a> |
| <span class="sourceLineNo">357</span> public synchronized void cleanup() {<a name="line.357"></a> |
| <span class="sourceLineNo">358</span> for (T lc : this.cleanersChain) {<a name="line.358"></a> |
| <span class="sourceLineNo">359</span> try {<a name="line.359"></a> |
| <span class="sourceLineNo">360</span> lc.stop("Exiting");<a name="line.360"></a> |
| <span class="sourceLineNo">361</span> } catch (Throwable t) {<a name="line.361"></a> |
| <span class="sourceLineNo">362</span> LOG.warn("Stopping", t);<a name="line.362"></a> |
| <span class="sourceLineNo">363</span> }<a name="line.363"></a> |
| <span class="sourceLineNo">364</span> }<a name="line.364"></a> |
| <span class="sourceLineNo">365</span> }<a name="line.365"></a> |
| <span class="sourceLineNo">366</span><a name="line.366"></a> |
| <span class="sourceLineNo">367</span> @VisibleForTesting<a name="line.367"></a> |
| <span class="sourceLineNo">368</span> int getChorePoolSize() {<a name="line.368"></a> |
| <span class="sourceLineNo">369</span> return pool.getSize();<a name="line.369"></a> |
| <span class="sourceLineNo">370</span> }<a name="line.370"></a> |
| <span class="sourceLineNo">371</span><a name="line.371"></a> |
| <span class="sourceLineNo">372</span> /**<a name="line.372"></a> |
| <span class="sourceLineNo">373</span> * @param enabled<a name="line.373"></a> |
| <span class="sourceLineNo">374</span> */<a name="line.374"></a> |
| <span class="sourceLineNo">375</span> public boolean setEnabled(final boolean enabled) {<a name="line.375"></a> |
| <span class="sourceLineNo">376</span> return this.enabled.getAndSet(enabled);<a name="line.376"></a> |
| <span class="sourceLineNo">377</span> }<a name="line.377"></a> |
| <span class="sourceLineNo">378</span><a name="line.378"></a> |
| <span class="sourceLineNo">379</span> public boolean getEnabled() { return this.enabled.get();<a name="line.379"></a> |
| <span class="sourceLineNo">380</span> }<a name="line.380"></a> |
| <span class="sourceLineNo">381</span><a name="line.381"></a> |
| <span class="sourceLineNo">382</span> private interface Action<T> {<a name="line.382"></a> |
| <span class="sourceLineNo">383</span> T act() throws IOException;<a name="line.383"></a> |
| <span class="sourceLineNo">384</span> }<a name="line.384"></a> |
| <span class="sourceLineNo">385</span><a name="line.385"></a> |
| <span class="sourceLineNo">386</span> /**<a name="line.386"></a> |
| <span class="sourceLineNo">387</span> * Attemps to clean up a directory, its subdirectories, and files. Return value is true if<a name="line.387"></a> |
| <span class="sourceLineNo">388</span> * everything was deleted. false on partial / total failures.<a name="line.388"></a> |
| <span class="sourceLineNo">389</span> */<a name="line.389"></a> |
| <span class="sourceLineNo">390</span> private final class CleanerTask extends RecursiveTask<Boolean> {<a name="line.390"></a> |
| <span class="sourceLineNo">391</span><a name="line.391"></a> |
| <span class="sourceLineNo">392</span> private static final long serialVersionUID = -5444212174088754172L;<a name="line.392"></a> |
| <span class="sourceLineNo">393</span><a name="line.393"></a> |
| <span class="sourceLineNo">394</span> private final Path dir;<a name="line.394"></a> |
| <span class="sourceLineNo">395</span> private final boolean root;<a name="line.395"></a> |
| <span class="sourceLineNo">396</span><a name="line.396"></a> |
| <span class="sourceLineNo">397</span> CleanerTask(final FileStatus dir, final boolean root) {<a name="line.397"></a> |
| <span class="sourceLineNo">398</span> this(dir.getPath(), root);<a name="line.398"></a> |
| <span class="sourceLineNo">399</span> }<a name="line.399"></a> |
| <span class="sourceLineNo">400</span><a name="line.400"></a> |
| <span class="sourceLineNo">401</span> CleanerTask(final Path dir, final boolean root) {<a name="line.401"></a> |
| <span class="sourceLineNo">402</span> this.dir = dir;<a name="line.402"></a> |
| <span class="sourceLineNo">403</span> this.root = root;<a name="line.403"></a> |
| <span class="sourceLineNo">404</span> }<a name="line.404"></a> |
| <span class="sourceLineNo">405</span><a name="line.405"></a> |
| <span class="sourceLineNo">406</span> @Override<a name="line.406"></a> |
| <span class="sourceLineNo">407</span> protected Boolean compute() {<a name="line.407"></a> |
| <span class="sourceLineNo">408</span> LOG.trace("Cleaning under {}", dir);<a name="line.408"></a> |
| <span class="sourceLineNo">409</span> List<FileStatus> subDirs;<a name="line.409"></a> |
| <span class="sourceLineNo">410</span> List<FileStatus> files;<a name="line.410"></a> |
| <span class="sourceLineNo">411</span> try {<a name="line.411"></a> |
| <span class="sourceLineNo">412</span> // if dir doesn't exist, we'll get null back for both of these<a name="line.412"></a> |
| <span class="sourceLineNo">413</span> // which will fall through to succeeding.<a name="line.413"></a> |
| <span class="sourceLineNo">414</span> subDirs = getFilteredStatus(FileStatus::isDirectory);<a name="line.414"></a> |
| <span class="sourceLineNo">415</span> files = getFilteredStatus(FileStatus::isFile);<a name="line.415"></a> |
| <span class="sourceLineNo">416</span> } catch (IOException ioe) {<a name="line.416"></a> |
| <span class="sourceLineNo">417</span> LOG.warn("failed to get FileStatus for contents of '{}'", dir, ioe);<a name="line.417"></a> |
| <span class="sourceLineNo">418</span> return false;<a name="line.418"></a> |
| <span class="sourceLineNo">419</span> }<a name="line.419"></a> |
| <span class="sourceLineNo">420</span><a name="line.420"></a> |
| <span class="sourceLineNo">421</span> boolean allFilesDeleted = true;<a name="line.421"></a> |
| <span class="sourceLineNo">422</span> if (!files.isEmpty()) {<a name="line.422"></a> |
| <span class="sourceLineNo">423</span> allFilesDeleted = deleteAction(() -> checkAndDeleteFiles(files), "files");<a name="line.423"></a> |
| <span class="sourceLineNo">424</span> }<a name="line.424"></a> |
| <span class="sourceLineNo">425</span><a name="line.425"></a> |
| <span class="sourceLineNo">426</span> boolean allSubdirsDeleted = true;<a name="line.426"></a> |
| <span class="sourceLineNo">427</span> if (!subDirs.isEmpty()) {<a name="line.427"></a> |
| <span class="sourceLineNo">428</span> List<CleanerTask> tasks = Lists.newArrayListWithCapacity(subDirs.size());<a name="line.428"></a> |
| <span class="sourceLineNo">429</span> sortByConsumedSpace(subDirs);<a name="line.429"></a> |
| <span class="sourceLineNo">430</span> for (FileStatus subdir : subDirs) {<a name="line.430"></a> |
| <span class="sourceLineNo">431</span> CleanerTask task = new CleanerTask(subdir, false);<a name="line.431"></a> |
| <span class="sourceLineNo">432</span> tasks.add(task);<a name="line.432"></a> |
| <span class="sourceLineNo">433</span> task.fork();<a name="line.433"></a> |
| <span class="sourceLineNo">434</span> }<a name="line.434"></a> |
| <span class="sourceLineNo">435</span> allSubdirsDeleted = deleteAction(() -> getCleanResult(tasks), "subdirs");<a name="line.435"></a> |
| <span class="sourceLineNo">436</span> }<a name="line.436"></a> |
| <span class="sourceLineNo">437</span><a name="line.437"></a> |
| <span class="sourceLineNo">438</span> boolean result = allFilesDeleted && allSubdirsDeleted && isEmptyDirDeletable(dir);<a name="line.438"></a> |
| <span class="sourceLineNo">439</span> // if and only if files and subdirs under current dir are deleted successfully, and the empty<a name="line.439"></a> |
| <span class="sourceLineNo">440</span> // directory can be deleted, and it is not the root dir then task will try to delete it.<a name="line.440"></a> |
| <span class="sourceLineNo">441</span> if (result && !root) {<a name="line.441"></a> |
| <span class="sourceLineNo">442</span> result &= deleteAction(() -> fs.delete(dir, false), "dir");<a name="line.442"></a> |
| <span class="sourceLineNo">443</span> }<a name="line.443"></a> |
| <span class="sourceLineNo">444</span> return result;<a name="line.444"></a> |
| <span class="sourceLineNo">445</span> }<a name="line.445"></a> |
| <span class="sourceLineNo">446</span><a name="line.446"></a> |
| <span class="sourceLineNo">447</span> /**<a name="line.447"></a> |
| <span class="sourceLineNo">448</span> * Get FileStatus with filter.<a name="line.448"></a> |
| <span class="sourceLineNo">449</span> * @param function a filter function<a name="line.449"></a> |
| <span class="sourceLineNo">450</span> * @return filtered FileStatus or empty list if dir doesn't exist<a name="line.450"></a> |
| <span class="sourceLineNo">451</span> * @throws IOException if there's an error other than dir not existing<a name="line.451"></a> |
| <span class="sourceLineNo">452</span> */<a name="line.452"></a> |
| <span class="sourceLineNo">453</span> private List<FileStatus> getFilteredStatus(Predicate<FileStatus> function) throws IOException {<a name="line.453"></a> |
| <span class="sourceLineNo">454</span> return Optional.ofNullable(FSUtils.listStatusWithStatusFilter(fs, dir,<a name="line.454"></a> |
| <span class="sourceLineNo">455</span> status -> function.test(status))).orElseGet(Collections::emptyList);<a name="line.455"></a> |
| <span class="sourceLineNo">456</span> }<a name="line.456"></a> |
| <span class="sourceLineNo">457</span><a name="line.457"></a> |
| <span class="sourceLineNo">458</span> /**<a name="line.458"></a> |
| <span class="sourceLineNo">459</span> * Perform a delete on a specified type.<a name="line.459"></a> |
| <span class="sourceLineNo">460</span> * @param deletion a delete<a name="line.460"></a> |
| <span class="sourceLineNo">461</span> * @param type possible values are 'files', 'subdirs', 'dirs'<a name="line.461"></a> |
| <span class="sourceLineNo">462</span> * @return true if it deleted successfully, false otherwise<a name="line.462"></a> |
| <span class="sourceLineNo">463</span> */<a name="line.463"></a> |
| <span class="sourceLineNo">464</span> private boolean deleteAction(Action<Boolean> deletion, String type) {<a name="line.464"></a> |
| <span class="sourceLineNo">465</span> boolean deleted;<a name="line.465"></a> |
| <span class="sourceLineNo">466</span> try {<a name="line.466"></a> |
| <span class="sourceLineNo">467</span> LOG.trace("Start deleting {} under {}", type, dir);<a name="line.467"></a> |
| <span class="sourceLineNo">468</span> deleted = deletion.act();<a name="line.468"></a> |
| <span class="sourceLineNo">469</span> } catch (PathIsNotEmptyDirectoryException exception) {<a name="line.469"></a> |
| <span class="sourceLineNo">470</span> // N.B. HDFS throws this exception when we try to delete a non-empty directory, but<a name="line.470"></a> |
| <span class="sourceLineNo">471</span> // LocalFileSystem throws a bare IOException. So some test code will get the verbose<a name="line.471"></a> |
| <span class="sourceLineNo">472</span> // message below.<a name="line.472"></a> |
| <span class="sourceLineNo">473</span> LOG.debug("Couldn't delete '{}' yet because it isn't empty. Probably transient. " +<a name="line.473"></a> |
| <span class="sourceLineNo">474</span> "exception details at TRACE.", dir);<a name="line.474"></a> |
| <span class="sourceLineNo">475</span> LOG.trace("Couldn't delete '{}' yet because it isn't empty w/exception.", dir, exception);<a name="line.475"></a> |
| <span class="sourceLineNo">476</span> deleted = false;<a name="line.476"></a> |
| <span class="sourceLineNo">477</span> } catch (IOException ioe) {<a name="line.477"></a> |
| <span class="sourceLineNo">478</span> LOG.info("Could not delete {} under {}. might be transient; we'll retry. if it keeps " +<a name="line.478"></a> |
| <span class="sourceLineNo">479</span> "happening, use following exception when asking on mailing list.",<a name="line.479"></a> |
| <span class="sourceLineNo">480</span> type, dir, ioe);<a name="line.480"></a> |
| <span class="sourceLineNo">481</span> deleted = false;<a name="line.481"></a> |
| <span class="sourceLineNo">482</span> }<a name="line.482"></a> |
| <span class="sourceLineNo">483</span> LOG.trace("Finish deleting {} under {}, deleted=", type, dir, deleted);<a name="line.483"></a> |
| <span class="sourceLineNo">484</span> return deleted;<a name="line.484"></a> |
| <span class="sourceLineNo">485</span> }<a name="line.485"></a> |
| <span class="sourceLineNo">486</span><a name="line.486"></a> |
| <span class="sourceLineNo">487</span> /**<a name="line.487"></a> |
| <span class="sourceLineNo">488</span> * Get cleaner results of subdirs.<a name="line.488"></a> |
| <span class="sourceLineNo">489</span> * @param tasks subdirs cleaner tasks<a name="line.489"></a> |
| <span class="sourceLineNo">490</span> * @return true if all subdirs deleted successfully, false for patial/all failures<a name="line.490"></a> |
| <span class="sourceLineNo">491</span> * @throws IOException something happen during computation<a name="line.491"></a> |
| <span class="sourceLineNo">492</span> */<a name="line.492"></a> |
| <span class="sourceLineNo">493</span> private boolean getCleanResult(List<CleanerTask> tasks) throws IOException {<a name="line.493"></a> |
| <span class="sourceLineNo">494</span> boolean cleaned = true;<a name="line.494"></a> |
| <span class="sourceLineNo">495</span> try {<a name="line.495"></a> |
| <span class="sourceLineNo">496</span> for (CleanerTask task : tasks) {<a name="line.496"></a> |
| <span class="sourceLineNo">497</span> cleaned &= task.get();<a name="line.497"></a> |
| <span class="sourceLineNo">498</span> }<a name="line.498"></a> |
| <span class="sourceLineNo">499</span> } catch (InterruptedException | ExecutionException e) {<a name="line.499"></a> |
| <span class="sourceLineNo">500</span> throw new IOException(e);<a name="line.500"></a> |
| <span class="sourceLineNo">501</span> }<a name="line.501"></a> |
| <span class="sourceLineNo">502</span> return cleaned;<a name="line.502"></a> |
| <span class="sourceLineNo">503</span> }<a name="line.503"></a> |
| <span class="sourceLineNo">504</span> }<a name="line.504"></a> |
| <span class="sourceLineNo">505</span>}<a name="line.505"></a> |
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| </pre> |
| </div> |
| </body> |
| </html> |
