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Posted to commits@hbase.apache.org by gi...@apache.org on 2018/09/25 14:55:12 UTC
[26/51] [partial] hbase-site git commit: Published site at
8eaaa63114a64bcaeaf0ed9bdd88615ee22255c1.
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/f6f9d4f3/devapidocs/src-html/org/apache/hadoop/hbase/executor/ExecutorService.TrackingThreadPoolExecutor.html
----------------------------------------------------------------------
diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/executor/ExecutorService.TrackingThreadPoolExecutor.html b/devapidocs/src-html/org/apache/hadoop/hbase/executor/ExecutorService.TrackingThreadPoolExecutor.html
index 49f081b..33c9cc0 100644
--- a/devapidocs/src-html/org/apache/hadoop/hbase/executor/ExecutorService.TrackingThreadPoolExecutor.html
+++ b/devapidocs/src-html/org/apache/hadoop/hbase/executor/ExecutorService.TrackingThreadPoolExecutor.html
@@ -35,309 +35,328 @@
<span class="sourceLineNo">027</span>import java.util.concurrent.BlockingQueue;<a name="line.27"></a>
<span class="sourceLineNo">028</span>import java.util.concurrent.ConcurrentHashMap;<a name="line.28"></a>
<span class="sourceLineNo">029</span>import java.util.concurrent.ConcurrentMap;<a name="line.29"></a>
-<span class="sourceLineNo">030</span>import java.util.concurrent.LinkedBlockingQueue;<a name="line.30"></a>
-<span class="sourceLineNo">031</span>import java.util.concurrent.ThreadPoolExecutor;<a name="line.31"></a>
-<span class="sourceLineNo">032</span>import java.util.concurrent.TimeUnit;<a name="line.32"></a>
-<span class="sourceLineNo">033</span>import java.util.concurrent.atomic.AtomicLong;<a name="line.33"></a>
-<span class="sourceLineNo">034</span><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.hadoop.hbase.monitoring.ThreadMonitoring;<a name="line.38"></a>
+<span class="sourceLineNo">030</span>import java.util.concurrent.Executors;<a name="line.30"></a>
+<span class="sourceLineNo">031</span>import java.util.concurrent.LinkedBlockingQueue;<a name="line.31"></a>
+<span class="sourceLineNo">032</span>import java.util.concurrent.ThreadPoolExecutor;<a name="line.32"></a>
+<span class="sourceLineNo">033</span>import java.util.concurrent.TimeUnit;<a name="line.33"></a>
+<span class="sourceLineNo">034</span>import java.util.concurrent.atomic.AtomicLong;<a name="line.34"></a>
+<span class="sourceLineNo">035</span>import org.apache.hadoop.hbase.monitoring.ThreadMonitoring;<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><a name="line.39"></a>
<span class="sourceLineNo">040</span>import org.apache.hbase.thirdparty.com.google.common.annotations.VisibleForTesting;<a name="line.40"></a>
<span class="sourceLineNo">041</span>import org.apache.hbase.thirdparty.com.google.common.collect.Lists;<a name="line.41"></a>
<span class="sourceLineNo">042</span>import org.apache.hbase.thirdparty.com.google.common.collect.Maps;<a name="line.42"></a>
-<span class="sourceLineNo">043</span>import org.apache.hbase.thirdparty.com.google.common.util.concurrent.ThreadFactoryBuilder;<a name="line.43"></a>
-<span class="sourceLineNo">044</span><a name="line.44"></a>
-<span class="sourceLineNo">045</span>/**<a name="line.45"></a>
-<span class="sourceLineNo">046</span> * This is a generic executor service. This component abstracts a<a name="line.46"></a>
-<span class="sourceLineNo">047</span> * threadpool, a queue to which {@link EventType}s can be submitted,<a name="line.47"></a>
-<span class="sourceLineNo">048</span> * and a <code>Runnable</code> that handles the object that is added to the queue.<a name="line.48"></a>
-<span class="sourceLineNo">049</span> *<a name="line.49"></a>
-<span class="sourceLineNo">050</span> * <p>In order to create a new service, create an instance of this class and<a name="line.50"></a>
-<span class="sourceLineNo">051</span> * then do: <code>instance.startExecutorService("myService");</code>. When done<a name="line.51"></a>
-<span class="sourceLineNo">052</span> * call {@link #shutdown()}.<a name="line.52"></a>
-<span class="sourceLineNo">053</span> *<a name="line.53"></a>
-<span class="sourceLineNo">054</span> * <p>In order to use the service created above, call<a name="line.54"></a>
-<span class="sourceLineNo">055</span> * {@link #submit(EventHandler)}.<a name="line.55"></a>
-<span class="sourceLineNo">056</span> */<a name="line.56"></a>
-<span class="sourceLineNo">057</span>@InterfaceAudience.Private<a name="line.57"></a>
-<span class="sourceLineNo">058</span>public class ExecutorService {<a name="line.58"></a>
-<span class="sourceLineNo">059</span> private static final Logger LOG = LoggerFactory.getLogger(ExecutorService.class);<a name="line.59"></a>
-<span class="sourceLineNo">060</span><a name="line.60"></a>
-<span class="sourceLineNo">061</span> // hold the all the executors created in a map addressable by their names<a name="line.61"></a>
-<span class="sourceLineNo">062</span> private final ConcurrentHashMap<String, Executor> executorMap = new ConcurrentHashMap<>();<a name="line.62"></a>
+<span class="sourceLineNo">043</span>import org.apache.hbase.thirdparty.com.google.common.util.concurrent.ListenableFuture;<a name="line.43"></a>
+<span class="sourceLineNo">044</span>import org.apache.hbase.thirdparty.com.google.common.util.concurrent.ListeningScheduledExecutorService;<a name="line.44"></a>
+<span class="sourceLineNo">045</span>import org.apache.hbase.thirdparty.com.google.common.util.concurrent.MoreExecutors;<a name="line.45"></a>
+<span class="sourceLineNo">046</span>import org.apache.hbase.thirdparty.com.google.common.util.concurrent.ThreadFactoryBuilder;<a name="line.46"></a>
+<span class="sourceLineNo">047</span><a name="line.47"></a>
+<span class="sourceLineNo">048</span>/**<a name="line.48"></a>
+<span class="sourceLineNo">049</span> * This is a generic executor service. This component abstracts a<a name="line.49"></a>
+<span class="sourceLineNo">050</span> * threadpool, a queue to which {@link EventType}s can be submitted,<a name="line.50"></a>
+<span class="sourceLineNo">051</span> * and a <code>Runnable</code> that handles the object that is added to the queue.<a name="line.51"></a>
+<span class="sourceLineNo">052</span> *<a name="line.52"></a>
+<span class="sourceLineNo">053</span> * <p>In order to create a new service, create an instance of this class and<a name="line.53"></a>
+<span class="sourceLineNo">054</span> * then do: <code>instance.startExecutorService("myService");</code>. When done<a name="line.54"></a>
+<span class="sourceLineNo">055</span> * call {@link #shutdown()}.<a name="line.55"></a>
+<span class="sourceLineNo">056</span> *<a name="line.56"></a>
+<span class="sourceLineNo">057</span> * <p>In order to use the service created above, call<a name="line.57"></a>
+<span class="sourceLineNo">058</span> * {@link #submit(EventHandler)}.<a name="line.58"></a>
+<span class="sourceLineNo">059</span> */<a name="line.59"></a>
+<span class="sourceLineNo">060</span>@InterfaceAudience.Private<a name="line.60"></a>
+<span class="sourceLineNo">061</span>public class ExecutorService {<a name="line.61"></a>
+<span class="sourceLineNo">062</span> private static final Logger LOG = LoggerFactory.getLogger(ExecutorService.class);<a name="line.62"></a>
<span class="sourceLineNo">063</span><a name="line.63"></a>
-<span class="sourceLineNo">064</span> // Name of the server hosting this executor service.<a name="line.64"></a>
-<span class="sourceLineNo">065</span> private final String servername;<a name="line.65"></a>
+<span class="sourceLineNo">064</span> // hold the all the executors created in a map addressable by their names<a name="line.64"></a>
+<span class="sourceLineNo">065</span> private final ConcurrentHashMap<String, Executor> executorMap = new ConcurrentHashMap<>();<a name="line.65"></a>
<span class="sourceLineNo">066</span><a name="line.66"></a>
-<span class="sourceLineNo">067</span> /**<a name="line.67"></a>
-<span class="sourceLineNo">068</span> * Default constructor.<a name="line.68"></a>
-<span class="sourceLineNo">069</span> * @param servername Name of the hosting server.<a name="line.69"></a>
-<span class="sourceLineNo">070</span> */<a name="line.70"></a>
-<span class="sourceLineNo">071</span> public ExecutorService(final String servername) {<a name="line.71"></a>
-<span class="sourceLineNo">072</span> super();<a name="line.72"></a>
-<span class="sourceLineNo">073</span> this.servername = servername;<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> /**<a name="line.76"></a>
-<span class="sourceLineNo">077</span> * Start an executor service with a given name. If there was a service already<a name="line.77"></a>
-<span class="sourceLineNo">078</span> * started with the same name, this throws a RuntimeException.<a name="line.78"></a>
-<span class="sourceLineNo">079</span> * @param name Name of the service to start.<a name="line.79"></a>
-<span class="sourceLineNo">080</span> */<a name="line.80"></a>
-<span class="sourceLineNo">081</span> @VisibleForTesting<a name="line.81"></a>
-<span class="sourceLineNo">082</span> public void startExecutorService(String name, int maxThreads) {<a name="line.82"></a>
-<span class="sourceLineNo">083</span> if (this.executorMap.get(name) != null) {<a name="line.83"></a>
-<span class="sourceLineNo">084</span> throw new RuntimeException("An executor service with the name " + name +<a name="line.84"></a>
-<span class="sourceLineNo">085</span> " is already running!");<a name="line.85"></a>
-<span class="sourceLineNo">086</span> }<a name="line.86"></a>
-<span class="sourceLineNo">087</span> Executor hbes = new Executor(name, maxThreads);<a name="line.87"></a>
-<span class="sourceLineNo">088</span> if (this.executorMap.putIfAbsent(name, hbes) != null) {<a name="line.88"></a>
-<span class="sourceLineNo">089</span> throw new RuntimeException("An executor service with the name " + name +<a name="line.89"></a>
-<span class="sourceLineNo">090</span> " is already running (2)!");<a name="line.90"></a>
-<span class="sourceLineNo">091</span> }<a name="line.91"></a>
-<span class="sourceLineNo">092</span> LOG.debug("Starting executor service name=" + name +<a name="line.92"></a>
-<span class="sourceLineNo">093</span> ", corePoolSize=" + hbes.threadPoolExecutor.getCorePoolSize() +<a name="line.93"></a>
-<span class="sourceLineNo">094</span> ", maxPoolSize=" + hbes.threadPoolExecutor.getMaximumPoolSize());<a name="line.94"></a>
-<span class="sourceLineNo">095</span> }<a name="line.95"></a>
-<span class="sourceLineNo">096</span><a name="line.96"></a>
-<span class="sourceLineNo">097</span> boolean isExecutorServiceRunning(String name) {<a name="line.97"></a>
-<span class="sourceLineNo">098</span> return this.executorMap.containsKey(name);<a name="line.98"></a>
-<span class="sourceLineNo">099</span> }<a name="line.99"></a>
-<span class="sourceLineNo">100</span><a name="line.100"></a>
-<span class="sourceLineNo">101</span> public void shutdown() {<a name="line.101"></a>
-<span class="sourceLineNo">102</span> for(Entry<String, Executor> entry: this.executorMap.entrySet()) {<a name="line.102"></a>
-<span class="sourceLineNo">103</span> List<Runnable> wasRunning =<a name="line.103"></a>
-<span class="sourceLineNo">104</span> entry.getValue().threadPoolExecutor.shutdownNow();<a name="line.104"></a>
-<span class="sourceLineNo">105</span> if (!wasRunning.isEmpty()) {<a name="line.105"></a>
-<span class="sourceLineNo">106</span> LOG.info(entry.getValue() + " had " + wasRunning + " on shutdown");<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> this.executorMap.clear();<a name="line.109"></a>
-<span class="sourceLineNo">110</span> }<a name="line.110"></a>
-<span class="sourceLineNo">111</span><a name="line.111"></a>
-<span class="sourceLineNo">112</span> Executor getExecutor(final ExecutorType type) {<a name="line.112"></a>
-<span class="sourceLineNo">113</span> return getExecutor(type.getExecutorName(this.servername));<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> Executor getExecutor(String name) {<a name="line.116"></a>
-<span class="sourceLineNo">117</span> Executor executor = this.executorMap.get(name);<a name="line.117"></a>
-<span class="sourceLineNo">118</span> return executor;<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> @VisibleForTesting<a name="line.121"></a>
-<span class="sourceLineNo">122</span> public ThreadPoolExecutor getExecutorThreadPool(final ExecutorType type) {<a name="line.122"></a>
-<span class="sourceLineNo">123</span> return getExecutor(type).getThreadPoolExecutor();<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> public void startExecutorService(final ExecutorType type, final int maxThreads) {<a name="line.126"></a>
-<span class="sourceLineNo">127</span> String name = type.getExecutorName(this.servername);<a name="line.127"></a>
-<span class="sourceLineNo">128</span> if (isExecutorServiceRunning(name)) {<a name="line.128"></a>
-<span class="sourceLineNo">129</span> LOG.debug("Executor service " + toString() + " already running on " +<a name="line.129"></a>
-<span class="sourceLineNo">130</span> this.servername);<a name="line.130"></a>
-<span class="sourceLineNo">131</span> return;<a name="line.131"></a>
-<span class="sourceLineNo">132</span> }<a name="line.132"></a>
-<span class="sourceLineNo">133</span> startExecutorService(name, maxThreads);<a name="line.133"></a>
-<span class="sourceLineNo">134</span> }<a name="line.134"></a>
-<span class="sourceLineNo">135</span><a name="line.135"></a>
-<span class="sourceLineNo">136</span> public void submit(final EventHandler eh) {<a name="line.136"></a>
-<span class="sourceLineNo">137</span> Executor executor = getExecutor(eh.getEventType().getExecutorServiceType());<a name="line.137"></a>
-<span class="sourceLineNo">138</span> if (executor == null) {<a name="line.138"></a>
-<span class="sourceLineNo">139</span> // This happens only when events are submitted after shutdown() was<a name="line.139"></a>
-<span class="sourceLineNo">140</span> // called, so dropping them should be "ok" since it means we're<a name="line.140"></a>
-<span class="sourceLineNo">141</span> // shutting down.<a name="line.141"></a>
-<span class="sourceLineNo">142</span> LOG.error("Cannot submit [" + eh + "] because the executor is missing." +<a name="line.142"></a>
-<span class="sourceLineNo">143</span> " Is this process shutting down?");<a name="line.143"></a>
-<span class="sourceLineNo">144</span> } else {<a name="line.144"></a>
-<span class="sourceLineNo">145</span> executor.submit(eh);<a name="line.145"></a>
-<span class="sourceLineNo">146</span> }<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> public Map<String, ExecutorStatus> getAllExecutorStatuses() {<a name="line.149"></a>
-<span class="sourceLineNo">150</span> Map<String, ExecutorStatus> ret = Maps.newHashMap();<a name="line.150"></a>
-<span class="sourceLineNo">151</span> for (Map.Entry<String, Executor> e : executorMap.entrySet()) {<a name="line.151"></a>
-<span class="sourceLineNo">152</span> ret.put(e.getKey(), e.getValue().getStatus());<a name="line.152"></a>
+<span class="sourceLineNo">067</span> // Name of the server hosting this executor service.<a name="line.67"></a>
+<span class="sourceLineNo">068</span> private final String servername;<a name="line.68"></a>
+<span class="sourceLineNo">069</span><a name="line.69"></a>
+<span class="sourceLineNo">070</span> private final ListeningScheduledExecutorService delayedSubmitTimer =<a name="line.70"></a>
+<span class="sourceLineNo">071</span> MoreExecutors.listeningDecorator(Executors.newScheduledThreadPool(1, new ThreadFactoryBuilder()<a name="line.71"></a>
+<span class="sourceLineNo">072</span> .setDaemon(true).setNameFormat("Event-Executor-Delay-Submit-Timer").build()));<a name="line.72"></a>
+<span class="sourceLineNo">073</span><a name="line.73"></a>
+<span class="sourceLineNo">074</span> /**<a name="line.74"></a>
+<span class="sourceLineNo">075</span> * Default constructor.<a name="line.75"></a>
+<span class="sourceLineNo">076</span> * @param servername Name of the hosting server.<a name="line.76"></a>
+<span class="sourceLineNo">077</span> */<a name="line.77"></a>
+<span class="sourceLineNo">078</span> public ExecutorService(final String servername) {<a name="line.78"></a>
+<span class="sourceLineNo">079</span> this.servername = servername;<a name="line.79"></a>
+<span class="sourceLineNo">080</span> }<a name="line.80"></a>
+<span class="sourceLineNo">081</span><a name="line.81"></a>
+<span class="sourceLineNo">082</span> /**<a name="line.82"></a>
+<span class="sourceLineNo">083</span> * Start an executor service with a given name. If there was a service already<a name="line.83"></a>
+<span class="sourceLineNo">084</span> * started with the same name, this throws a RuntimeException.<a name="line.84"></a>
+<span class="sourceLineNo">085</span> * @param name Name of the service to start.<a name="line.85"></a>
+<span class="sourceLineNo">086</span> */<a name="line.86"></a>
+<span class="sourceLineNo">087</span> @VisibleForTesting<a name="line.87"></a>
+<span class="sourceLineNo">088</span> public void startExecutorService(String name, int maxThreads) {<a name="line.88"></a>
+<span class="sourceLineNo">089</span> if (this.executorMap.get(name) != null) {<a name="line.89"></a>
+<span class="sourceLineNo">090</span> throw new RuntimeException("An executor service with the name " + name +<a name="line.90"></a>
+<span class="sourceLineNo">091</span> " is already running!");<a name="line.91"></a>
+<span class="sourceLineNo">092</span> }<a name="line.92"></a>
+<span class="sourceLineNo">093</span> Executor hbes = new Executor(name, maxThreads);<a name="line.93"></a>
+<span class="sourceLineNo">094</span> if (this.executorMap.putIfAbsent(name, hbes) != null) {<a name="line.94"></a>
+<span class="sourceLineNo">095</span> throw new RuntimeException("An executor service with the name " + name +<a name="line.95"></a>
+<span class="sourceLineNo">096</span> " is already running (2)!");<a name="line.96"></a>
+<span class="sourceLineNo">097</span> }<a name="line.97"></a>
+<span class="sourceLineNo">098</span> LOG.debug("Starting executor service name=" + name +<a name="line.98"></a>
+<span class="sourceLineNo">099</span> ", corePoolSize=" + hbes.threadPoolExecutor.getCorePoolSize() +<a name="line.99"></a>
+<span class="sourceLineNo">100</span> ", maxPoolSize=" + hbes.threadPoolExecutor.getMaximumPoolSize());<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> boolean isExecutorServiceRunning(String name) {<a name="line.103"></a>
+<span class="sourceLineNo">104</span> return this.executorMap.containsKey(name);<a name="line.104"></a>
+<span class="sourceLineNo">105</span> }<a name="line.105"></a>
+<span class="sourceLineNo">106</span><a name="line.106"></a>
+<span class="sourceLineNo">107</span> public void shutdown() {<a name="line.107"></a>
+<span class="sourceLineNo">108</span> this.delayedSubmitTimer.shutdownNow();<a name="line.108"></a>
+<span class="sourceLineNo">109</span> for(Entry<String, Executor> entry: this.executorMap.entrySet()) {<a name="line.109"></a>
+<span class="sourceLineNo">110</span> List<Runnable> wasRunning =<a name="line.110"></a>
+<span class="sourceLineNo">111</span> entry.getValue().threadPoolExecutor.shutdownNow();<a name="line.111"></a>
+<span class="sourceLineNo">112</span> if (!wasRunning.isEmpty()) {<a name="line.112"></a>
+<span class="sourceLineNo">113</span> LOG.info(entry.getValue() + " had " + wasRunning + " on shutdown");<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> this.executorMap.clear();<a name="line.116"></a>
+<span class="sourceLineNo">117</span> }<a name="line.117"></a>
+<span class="sourceLineNo">118</span><a name="line.118"></a>
+<span class="sourceLineNo">119</span> Executor getExecutor(final ExecutorType type) {<a name="line.119"></a>
+<span class="sourceLineNo">120</span> return getExecutor(type.getExecutorName(this.servername));<a name="line.120"></a>
+<span class="sourceLineNo">121</span> }<a name="line.121"></a>
+<span class="sourceLineNo">122</span><a name="line.122"></a>
+<span class="sourceLineNo">123</span> Executor getExecutor(String name) {<a name="line.123"></a>
+<span class="sourceLineNo">124</span> Executor executor = this.executorMap.get(name);<a name="line.124"></a>
+<span class="sourceLineNo">125</span> return executor;<a name="line.125"></a>
+<span class="sourceLineNo">126</span> }<a name="line.126"></a>
+<span class="sourceLineNo">127</span><a name="line.127"></a>
+<span class="sourceLineNo">128</span> @VisibleForTesting<a name="line.128"></a>
+<span class="sourceLineNo">129</span> public ThreadPoolExecutor getExecutorThreadPool(final ExecutorType type) {<a name="line.129"></a>
+<span class="sourceLineNo">130</span> return getExecutor(type).getThreadPoolExecutor();<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> public void startExecutorService(final ExecutorType type, final int maxThreads) {<a name="line.133"></a>
+<span class="sourceLineNo">134</span> String name = type.getExecutorName(this.servername);<a name="line.134"></a>
+<span class="sourceLineNo">135</span> if (isExecutorServiceRunning(name)) {<a name="line.135"></a>
+<span class="sourceLineNo">136</span> LOG.debug("Executor service " + toString() + " already running on " +<a name="line.136"></a>
+<span class="sourceLineNo">137</span> this.servername);<a name="line.137"></a>
+<span class="sourceLineNo">138</span> return;<a name="line.138"></a>
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