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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.regionserver;<a name="line.18"></a> |
| <span class="sourceLineNo">019</span><a name="line.19"></a> |
| <span class="sourceLineNo">020</span>import java.util.List;<a name="line.20"></a> |
| <span class="sourceLineNo">021</span><a name="line.21"></a> |
| <span class="sourceLineNo">022</span>import org.apache.hadoop.hbase.ScheduledChore;<a name="line.22"></a> |
| <span class="sourceLineNo">023</span>import org.apache.hadoop.hbase.Server;<a name="line.23"></a> |
| <span class="sourceLineNo">024</span>import org.apache.hadoop.hbase.Stoppable;<a name="line.24"></a> |
| <span class="sourceLineNo">025</span>import org.apache.hadoop.hbase.executor.EventType;<a name="line.25"></a> |
| <span class="sourceLineNo">026</span>import org.apache.yetus.audience.InterfaceAudience;<a name="line.26"></a> |
| <span class="sourceLineNo">027</span>import org.slf4j.Logger;<a name="line.27"></a> |
| <span class="sourceLineNo">028</span>import org.slf4j.LoggerFactory;<a name="line.28"></a> |
| <span class="sourceLineNo">029</span>import org.apache.hbase.thirdparty.com.google.common.annotations.VisibleForTesting;<a name="line.29"></a> |
| <span class="sourceLineNo">030</span><a name="line.30"></a> |
| <span class="sourceLineNo">031</span>/**<a name="line.31"></a> |
| <span class="sourceLineNo">032</span> * A chore service that periodically cleans up the compacted files when there are no active readers<a name="line.32"></a> |
| <span class="sourceLineNo">033</span> * using those compacted files and also helps in clearing the block cache of these compacted<a name="line.33"></a> |
| <span class="sourceLineNo">034</span> * file entries.<a name="line.34"></a> |
| <span class="sourceLineNo">035</span> */<a name="line.35"></a> |
| <span class="sourceLineNo">036</span>@InterfaceAudience.Private<a name="line.36"></a> |
| <span class="sourceLineNo">037</span>public class CompactedHFilesDischarger extends ScheduledChore {<a name="line.37"></a> |
| <span class="sourceLineNo">038</span> private static final Logger LOG = LoggerFactory.getLogger(CompactedHFilesDischarger.class);<a name="line.38"></a> |
| <span class="sourceLineNo">039</span> private RegionServerServices regionServerServices;<a name="line.39"></a> |
| <span class="sourceLineNo">040</span> // Default is to use executor<a name="line.40"></a> |
| <span class="sourceLineNo">041</span> @VisibleForTesting<a name="line.41"></a> |
| <span class="sourceLineNo">042</span> private boolean useExecutor = true;<a name="line.42"></a> |
| <span class="sourceLineNo">043</span><a name="line.43"></a> |
| <span class="sourceLineNo">044</span> /**<a name="line.44"></a> |
| <span class="sourceLineNo">045</span> * @param period the period of time to sleep between each run<a name="line.45"></a> |
| <span class="sourceLineNo">046</span> * @param stopper the stopper<a name="line.46"></a> |
| <span class="sourceLineNo">047</span> * @param regionServerServices the region server that starts this chore<a name="line.47"></a> |
| <span class="sourceLineNo">048</span> */<a name="line.48"></a> |
| <span class="sourceLineNo">049</span> public CompactedHFilesDischarger(final int period, final Stoppable stopper,<a name="line.49"></a> |
| <span class="sourceLineNo">050</span> final RegionServerServices regionServerServices) {<a name="line.50"></a> |
| <span class="sourceLineNo">051</span> // Need to add the config classes<a name="line.51"></a> |
| <span class="sourceLineNo">052</span> super("CompactedHFilesCleaner", stopper, period);<a name="line.52"></a> |
| <span class="sourceLineNo">053</span> this.regionServerServices = regionServerServices;<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> /**<a name="line.56"></a> |
| <span class="sourceLineNo">057</span> * @param period the period of time to sleep between each run<a name="line.57"></a> |
| <span class="sourceLineNo">058</span> * @param stopper the stopper<a name="line.58"></a> |
| <span class="sourceLineNo">059</span> * @param regionServerServices the region server that starts this chore<a name="line.59"></a> |
| <span class="sourceLineNo">060</span> * @param useExecutor true if to use the region server's executor service, false otherwise<a name="line.60"></a> |
| <span class="sourceLineNo">061</span> */<a name="line.61"></a> |
| <span class="sourceLineNo">062</span> @VisibleForTesting<a name="line.62"></a> |
| <span class="sourceLineNo">063</span> public CompactedHFilesDischarger(final int period, final Stoppable stopper,<a name="line.63"></a> |
| <span class="sourceLineNo">064</span> final RegionServerServices regionServerServices, boolean useExecutor) {<a name="line.64"></a> |
| <span class="sourceLineNo">065</span> // Need to add the config classes<a name="line.65"></a> |
| <span class="sourceLineNo">066</span> this(period, stopper, regionServerServices);<a name="line.66"></a> |
| <span class="sourceLineNo">067</span> this.useExecutor = useExecutor;<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> /**<a name="line.70"></a> |
| <span class="sourceLineNo">071</span> * CompactedHFilesDischarger runs asynchronously by default using the hosting<a name="line.71"></a> |
| <span class="sourceLineNo">072</span> * RegionServer's Executor. In tests it can be useful to force a synchronous<a name="line.72"></a> |
| <span class="sourceLineNo">073</span> * cleanup. Use this method to set no-executor before you call run.<a name="line.73"></a> |
| <span class="sourceLineNo">074</span> * @return The old setting for <code>useExecutor</code><a name="line.74"></a> |
| <span class="sourceLineNo">075</span> */<a name="line.75"></a> |
| <span class="sourceLineNo">076</span> @VisibleForTesting<a name="line.76"></a> |
| <span class="sourceLineNo">077</span> boolean setUseExecutor(final boolean useExecutor) {<a name="line.77"></a> |
| <span class="sourceLineNo">078</span> boolean oldSetting = this.useExecutor;<a name="line.78"></a> |
| <span class="sourceLineNo">079</span> this.useExecutor = useExecutor;<a name="line.79"></a> |
| <span class="sourceLineNo">080</span> return oldSetting;<a name="line.80"></a> |
| <span class="sourceLineNo">081</span> }<a name="line.81"></a> |
| <span class="sourceLineNo">082</span><a name="line.82"></a> |
| <span class="sourceLineNo">083</span> @Override<a name="line.83"></a> |
| <span class="sourceLineNo">084</span> public void chore() {<a name="line.84"></a> |
| <span class="sourceLineNo">085</span> // Noop if rss is null. This will never happen in a normal condition except for cases<a name="line.85"></a> |
| <span class="sourceLineNo">086</span> // when the test case is not spinning up a cluster<a name="line.86"></a> |
| <span class="sourceLineNo">087</span> if (regionServerServices == null) return;<a name="line.87"></a> |
| <span class="sourceLineNo">088</span> List<HRegion> onlineRegions = (List<HRegion>) regionServerServices.getRegions();<a name="line.88"></a> |
| <span class="sourceLineNo">089</span> if (onlineRegions == null) return;<a name="line.89"></a> |
| <span class="sourceLineNo">090</span> for (HRegion region : onlineRegions) {<a name="line.90"></a> |
| <span class="sourceLineNo">091</span> if (LOG.isTraceEnabled()) {<a name="line.91"></a> |
| <span class="sourceLineNo">092</span> LOG.trace("Started compacted hfiles cleaner on " + region.getRegionInfo());<a name="line.92"></a> |
| <span class="sourceLineNo">093</span> }<a name="line.93"></a> |
| <span class="sourceLineNo">094</span> for (HStore store : region.getStores()) {<a name="line.94"></a> |
| <span class="sourceLineNo">095</span> try {<a name="line.95"></a> |
| <span class="sourceLineNo">096</span> if (useExecutor && regionServerServices != null) {<a name="line.96"></a> |
| <span class="sourceLineNo">097</span> CompactedHFilesDischargeHandler handler = new CompactedHFilesDischargeHandler(<a name="line.97"></a> |
| <span class="sourceLineNo">098</span> (Server) regionServerServices, EventType.RS_COMPACTED_FILES_DISCHARGER, store);<a name="line.98"></a> |
| <span class="sourceLineNo">099</span> regionServerServices.getExecutorService().submit(handler);<a name="line.99"></a> |
| <span class="sourceLineNo">100</span> } else {<a name="line.100"></a> |
| <span class="sourceLineNo">101</span> // call synchronously if the RegionServerServices are not<a name="line.101"></a> |
| <span class="sourceLineNo">102</span> // available<a name="line.102"></a> |
| <span class="sourceLineNo">103</span> store.closeAndArchiveCompactedFiles();<a name="line.103"></a> |
| <span class="sourceLineNo">104</span> }<a name="line.104"></a> |
| <span class="sourceLineNo">105</span> if (LOG.isTraceEnabled()) {<a name="line.105"></a> |
| <span class="sourceLineNo">106</span> LOG.trace("Completed archiving the compacted files for the region "<a name="line.106"></a> |
| <span class="sourceLineNo">107</span> + region.getRegionInfo() + " under the store " + store.getColumnFamilyName());<a name="line.107"></a> |
| <span class="sourceLineNo">108</span> }<a name="line.108"></a> |
| <span class="sourceLineNo">109</span> } catch (Exception e) {<a name="line.109"></a> |
| <span class="sourceLineNo">110</span> LOG.error("Exception while trying to close and archive the compacted store "<a name="line.110"></a> |
| <span class="sourceLineNo">111</span> + "files of the store " + store.getColumnFamilyName() + " in the" + " region "<a name="line.111"></a> |
| <span class="sourceLineNo">112</span> + region.getRegionInfo(), e);<a name="line.112"></a> |
| <span class="sourceLineNo">113</span> }<a name="line.113"></a> |
| <span class="sourceLineNo">114</span> }<a name="line.114"></a> |
| <span class="sourceLineNo">115</span> if (LOG.isTraceEnabled()) {<a name="line.115"></a> |
| <span class="sourceLineNo">116</span> LOG.trace(<a name="line.116"></a> |
| <span class="sourceLineNo">117</span> "Completed the compacted hfiles cleaner for the region " + region.getRegionInfo());<a name="line.117"></a> |
| <span class="sourceLineNo">118</span> }<a name="line.118"></a> |
| <span class="sourceLineNo">119</span> }<a name="line.119"></a> |
| <span class="sourceLineNo">120</span> }<a name="line.120"></a> |
| <span class="sourceLineNo">121</span>}<a name="line.121"></a> |
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