http://git-wip-us.apache.org/repos/asf/hbase-site/blob/2211f347/devapidocs/src-html/org/apache/hadoop/hbase/client/RegionServerCallable.html ---------------------------------------------------------------------- diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/client/RegionServerCallable.html b/devapidocs/src-html/org/apache/hadoop/hbase/client/RegionServerCallable.html index 2676565..40a7cc0 100644 --- a/devapidocs/src-html/org/apache/hadoop/hbase/client/RegionServerCallable.html +++ b/devapidocs/src-html/org/apache/hadoop/hbase/client/RegionServerCallable.html @@ -28,147 +28,132 @@ <span class="sourceLineNo">020</span>package org.apache.hadoop.hbase.client;<a name="line.20"></a> <span class="sourceLineNo">021</span><a name="line.21"></a> <span class="sourceLineNo">022</span>import java.io.IOException;<a name="line.22"></a> -<span class="sourceLineNo">023</span>import java.net.ConnectException;<a name="line.23"></a> -<span class="sourceLineNo">024</span>import java.net.SocketTimeoutException;<a name="line.24"></a> -<span class="sourceLineNo">025</span><a name="line.25"></a> -<span class="sourceLineNo">026</span>import org.apache.commons.logging.Log;<a name="line.26"></a> -<span class="sourceLineNo">027</span>import org.apache.commons.logging.LogFactory;<a name="line.27"></a> -<span class="sourceLineNo">028</span>import org.apache.hadoop.hbase.HRegionInfo;<a name="line.28"></a> -<span class="sourceLineNo">029</span>import org.apache.hadoop.hbase.HRegionLocation;<a name="line.29"></a> -<span class="sourceLineNo">030</span>import org.apache.hadoop.hbase.NotServingRegionException;<a name="line.30"></a> -<span class="sourceLineNo">031</span>import org.apache.hadoop.hbase.TableName;<a name="line.31"></a> -<span class="sourceLineNo">032</span>import org.apache.hadoop.hbase.classification.InterfaceAudience;<a name="line.32"></a> -<span class="sourceLineNo">033</span>import org.apache.hadoop.hbase.exceptions.RegionMovedException;<a name="line.33"></a> -<span class="sourceLineNo">034</span>import org.apache.hadoop.hbase.protobuf.generated.ClientProtos.ClientService;<a name="line.34"></a> -<span class="sourceLineNo">035</span>import org.apache.hadoop.hbase.util.Bytes;<a name="line.35"></a> -<span class="sourceLineNo">036</span><a name="line.36"></a> -<span class="sourceLineNo">037</span>/**<a name="line.37"></a> -<span class="sourceLineNo">038</span> * Implementations call a RegionServer and implement {@link #call(int)}.<a name="line.38"></a> -<span class="sourceLineNo">039</span> * Passed to a {@link RpcRetryingCaller} so we retry on fail.<a name="line.39"></a> -<span class="sourceLineNo">040</span> * TODO: this class is actually tied to one region, because most of the paths make use of<a name="line.40"></a> -<span class="sourceLineNo">041</span> * the regioninfo part of location when building requests. The only reason it works for<a name="line.41"></a> -<span class="sourceLineNo">042</span> * multi-region requests (e.g. batch) is that they happen to not use the region parts.<a name="line.42"></a> -<span class="sourceLineNo">043</span> * This could be done cleaner (e.g. having a generic parameter and 2 derived classes,<a name="line.43"></a> -<span class="sourceLineNo">044</span> * RegionCallable and actual RegionServerCallable with ServerName.<a name="line.44"></a> -<span class="sourceLineNo">045</span> * @param <T> the class that the ServerCallable handles<a name="line.45"></a> -<span class="sourceLineNo">046</span> */<a name="line.46"></a> -<span class="sourceLineNo">047</span>@InterfaceAudience.Private<a name="line.47"></a> -<span class="sourceLineNo">048</span>public abstract class RegionServerCallable<T> implements RetryingCallable<T> {<a name="line.48"></a> -<span class="sourceLineNo">049</span> // Public because used outside of this package over in ipc.<a name="line.49"></a> -<span class="sourceLineNo">050</span> private static final Log LOG = LogFactory.getLog(RegionServerCallable.class);<a name="line.50"></a> -<span class="sourceLineNo">051</span> protected final Connection connection;<a name="line.51"></a> -<span class="sourceLineNo">052</span> protected final TableName tableName;<a name="line.52"></a> -<span class="sourceLineNo">053</span> protected final byte[] row;<a name="line.53"></a> -<span class="sourceLineNo">054</span> protected HRegionLocation location;<a name="line.54"></a> -<span class="sourceLineNo">055</span> private ClientService.BlockingInterface stub;<a name="line.55"></a> -<span class="sourceLineNo">056</span><a name="line.56"></a> -<span class="sourceLineNo">057</span> protected final static int MIN_WAIT_DEAD_SERVER = 10000;<a name="line.57"></a> -<span class="sourceLineNo">058</span><a name="line.58"></a> -<span class="sourceLineNo">059</span> /**<a name="line.59"></a> -<span class="sourceLineNo">060</span> * @param connection Connection to use.<a name="line.60"></a> -<span class="sourceLineNo">061</span> * @param tableName Table name to which <code>row</code> belongs.<a name="line.61"></a> -<span class="sourceLineNo">062</span> * @param row The row we want in <code>tableName</code>.<a name="line.62"></a> -<span class="sourceLineNo">063</span> */<a name="line.63"></a> -<span class="sourceLineNo">064</span> public RegionServerCallable(Connection connection, TableName tableName, byte [] row) {<a name="line.64"></a> -<span class="sourceLineNo">065</span> this.connection = connection;<a name="line.65"></a> -<span class="sourceLineNo">066</span> this.tableName = tableName;<a name="line.66"></a> -<span class="sourceLineNo">067</span> this.row = row;<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> * Prepare for connection to the server hosting region with row from tablename. Does lookup<a name="line.71"></a> -<span class="sourceLineNo">072</span> * to find region location and hosting server.<a name="line.72"></a> -<span class="sourceLineNo">073</span> * @param reload Set this to true if connection should re-find the region<a name="line.73"></a> -<span class="sourceLineNo">074</span> * @throws IOException e<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 prepare(final boolean reload) throws IOException {<a name="line.77"></a> -<span class="sourceLineNo">078</span> try (RegionLocator regionLocator = connection.getRegionLocator(tableName)) {<a name="line.78"></a> -<span class="sourceLineNo">079</span> this.location = regionLocator.getRegionLocation(row, reload);<a name="line.79"></a> +<span class="sourceLineNo">023</span><a name="line.23"></a> +<span class="sourceLineNo">024</span>import org.apache.commons.logging.Log;<a name="line.24"></a> +<span class="sourceLineNo">025</span>import org.apache.commons.logging.LogFactory;<a name="line.25"></a> +<span class="sourceLineNo">026</span>import org.apache.hadoop.hbase.HRegionInfo;<a name="line.26"></a> +<span class="sourceLineNo">027</span>import org.apache.hadoop.hbase.HRegionLocation;<a name="line.27"></a> +<span class="sourceLineNo">028</span>import org.apache.hadoop.hbase.TableName;<a name="line.28"></a> +<span class="sourceLineNo">029</span>import org.apache.hadoop.hbase.classification.InterfaceAudience;<a name="line.29"></a> +<span class="sourceLineNo">030</span>import org.apache.hadoop.hbase.protobuf.generated.ClientProtos.ClientService;<a name="line.30"></a> +<span class="sourceLineNo">031</span>import org.apache.hadoop.hbase.util.Bytes;<a name="line.31"></a> +<span class="sourceLineNo">032</span><a name="line.32"></a> +<span class="sourceLineNo">033</span>/**<a name="line.33"></a> +<span class="sourceLineNo">034</span> * Implementations call a RegionServer and implement {@link #call(int)}.<a name="line.34"></a> +<span class="sourceLineNo">035</span> * Passed to a {@link RpcRetryingCaller} so we retry on fail.<a name="line.35"></a> +<span class="sourceLineNo">036</span> * TODO: this class is actually tied to one region, because most of the paths make use of<a name="line.36"></a> +<span class="sourceLineNo">037</span> * the regioninfo part of location when building requests. The only reason it works for<a name="line.37"></a> +<span class="sourceLineNo">038</span> * multi-region requests (e.g. batch) is that they happen to not use the region parts.<a name="line.38"></a> +<span class="sourceLineNo">039</span> * This could be done cleaner (e.g. having a generic parameter and 2 derived classes,<a name="line.39"></a> +<span class="sourceLineNo">040</span> * RegionCallable and actual RegionServerCallable with ServerName.<a name="line.40"></a> +<span class="sourceLineNo">041</span> * @param <T> the class that the ServerCallable handles<a name="line.41"></a> +<span class="sourceLineNo">042</span> */<a name="line.42"></a> +<span class="sourceLineNo">043</span>@InterfaceAudience.Private<a name="line.43"></a> +<span class="sourceLineNo">044</span>public abstract class RegionServerCallable<T> implements RetryingCallable<T> {<a name="line.44"></a> +<span class="sourceLineNo">045</span> // Public because used outside of this package over in ipc.<a name="line.45"></a> +<span class="sourceLineNo">046</span> private static final Log LOG = LogFactory.getLog(RegionServerCallable.class);<a name="line.46"></a> +<span class="sourceLineNo">047</span> protected final Connection connection;<a name="line.47"></a> +<span class="sourceLineNo">048</span> protected final TableName tableName;<a name="line.48"></a> +<span class="sourceLineNo">049</span> protected final byte[] row;<a name="line.49"></a> +<span class="sourceLineNo">050</span> protected HRegionLocation location;<a name="line.50"></a> +<span class="sourceLineNo">051</span> private ClientService.BlockingInterface stub;<a name="line.51"></a> +<span class="sourceLineNo">052</span><a name="line.52"></a> +<span class="sourceLineNo">053</span> protected final static int MIN_WAIT_DEAD_SERVER = 10000;<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 connection Connection to use.<a name="line.56"></a> +<span class="sourceLineNo">057</span> * @param tableName Table name to which <code>row</code> belongs.<a name="line.57"></a> +<span class="sourceLineNo">058</span> * @param row The row we want in <code>tableName</code>.<a name="line.58"></a> +<span class="sourceLineNo">059</span> */<a name="line.59"></a> +<span class="sourceLineNo">060</span> public RegionServerCallable(Connection connection, TableName tableName, byte [] row) {<a name="line.60"></a> +<span class="sourceLineNo">061</span> this.connection = connection;<a name="line.61"></a> +<span class="sourceLineNo">062</span> this.tableName = tableName;<a name="line.62"></a> +<span class="sourceLineNo">063</span> this.row = row;<a name="line.63"></a> +<span class="sourceLineNo">064</span> }<a name="line.64"></a> +<span class="sourceLineNo">065</span><a name="line.65"></a> +<span class="sourceLineNo">066</span> /**<a name="line.66"></a> +<span class="sourceLineNo">067</span> * Prepare for connection to the server hosting region with row from tablename. Does lookup<a name="line.67"></a> +<span class="sourceLineNo">068</span> * to find region location and hosting server.<a name="line.68"></a> +<span class="sourceLineNo">069</span> * @param reload Set this to true if connection should re-find the region<a name="line.69"></a> +<span class="sourceLineNo">070</span> * @throws IOException e<a name="line.70"></a> +<span class="sourceLineNo">071</span> */<a name="line.71"></a> +<span class="sourceLineNo">072</span> @Override<a name="line.72"></a> +<span class="sourceLineNo">073</span> public void prepare(final boolean reload) throws IOException {<a name="line.73"></a> +<span class="sourceLineNo">074</span> try (RegionLocator regionLocator = connection.getRegionLocator(tableName)) {<a name="line.74"></a> +<span class="sourceLineNo">075</span> this.location = regionLocator.getRegionLocation(row, reload);<a name="line.75"></a> +<span class="sourceLineNo">076</span> }<a name="line.76"></a> +<span class="sourceLineNo">077</span> if (this.location == null) {<a name="line.77"></a> +<span class="sourceLineNo">078</span> throw new IOException("Failed to find location, tableName=" + tableName +<a name="line.78"></a> +<span class="sourceLineNo">079</span> ", row=" + Bytes.toString(row) + ", reload=" + reload);<a name="line.79"></a> <span class="sourceLineNo">080</span> }<a name="line.80"></a> -<span class="sourceLineNo">081</span> if (this.location == null) {<a name="line.81"></a> -<span class="sourceLineNo">082</span> throw new IOException("Failed to find location, tableName=" + tableName +<a name="line.82"></a> -<span class="sourceLineNo">083</span> ", row=" + Bytes.toString(row) + ", reload=" + reload);<a name="line.83"></a> -<span class="sourceLineNo">084</span> }<a name="line.84"></a> -<span class="sourceLineNo">085</span> setStub(getConnection().getClient(this.location.getServerName()));<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> /**<a name="line.88"></a> -<span class="sourceLineNo">089</span> * @return {@link HConnection} instance used by this Callable.<a name="line.89"></a> -<span class="sourceLineNo">090</span> */<a name="line.90"></a> -<span class="sourceLineNo">091</span> HConnection getConnection() {<a name="line.91"></a> -<span class="sourceLineNo">092</span> return (HConnection) this.connection;<a name="line.92"></a> +<span class="sourceLineNo">081</span> setStub(getConnection().getClient(this.location.getServerName()));<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> * @return {@link HConnection} instance used by this Callable.<a name="line.85"></a> +<span class="sourceLineNo">086</span> */<a name="line.86"></a> +<span class="sourceLineNo">087</span> HConnection getConnection() {<a name="line.87"></a> +<span class="sourceLineNo">088</span> return (HConnection) this.connection;<a name="line.88"></a> +<span class="sourceLineNo">089</span> }<a name="line.89"></a> +<span class="sourceLineNo">090</span><a name="line.90"></a> +<span class="sourceLineNo">091</span> protected ClientService.BlockingInterface getStub() {<a name="line.91"></a> +<span class="sourceLineNo">092</span> return this.stub;<a name="line.92"></a> <span class="sourceLineNo">093</span> }<a name="line.93"></a> <span class="sourceLineNo">094</span><a name="line.94"></a> -<span class="sourceLineNo">095</span> protected ClientService.BlockingInterface getStub() {<a name="line.95"></a> -<span class="sourceLineNo">096</span> return this.stub;<a name="line.96"></a> +<span class="sourceLineNo">095</span> void setStub(final ClientService.BlockingInterface stub) {<a name="line.95"></a> +<span class="sourceLineNo">096</span> this.stub = stub;<a name="line.96"></a> <span class="sourceLineNo">097</span> }<a name="line.97"></a> <span class="sourceLineNo">098</span><a name="line.98"></a> -<span class="sourceLineNo">099</span> void setStub(final ClientService.BlockingInterface stub) {<a name="line.99"></a> -<span class="sourceLineNo">100</span> this.stub = stub;<a name="line.100"></a> +<span class="sourceLineNo">099</span> protected HRegionLocation getLocation() {<a name="line.99"></a> +<span class="sourceLineNo">100</span> return this.location;<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> protected HRegionLocation getLocation() {<a name="line.103"></a> -<span class="sourceLineNo">104</span> return this.location;<a name="line.104"></a> +<span class="sourceLineNo">103</span> protected void setLocation(final HRegionLocation location) {<a name="line.103"></a> +<span class="sourceLineNo">104</span> this.location = location;<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> protected void setLocation(final HRegionLocation location) {<a name="line.107"></a> -<span class="sourceLineNo">108</span> this.location = location;<a name="line.108"></a> +<span class="sourceLineNo">107</span> public TableName getTableName() {<a name="line.107"></a> +<span class="sourceLineNo">108</span> return this.tableName;<a name="line.108"></a> <span class="sourceLineNo">109</span> }<a name="line.109"></a> <span class="sourceLineNo">110</span><a name="line.110"></a> -<span class="sourceLineNo">111</span> public TableName getTableName() {<a name="line.111"></a> -<span class="sourceLineNo">112</span> return this.tableName;<a name="line.112"></a> +<span class="sourceLineNo">111</span> public byte [] getRow() {<a name="line.111"></a> +<span class="sourceLineNo">112</span> return this.row;<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> public byte [] getRow() {<a name="line.115"></a> -<span class="sourceLineNo">116</span> return this.row;<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> @Override<a name="line.119"></a> -<span class="sourceLineNo">120</span> public void throwable(Throwable t, boolean retrying) {<a name="line.120"></a> -<span class="sourceLineNo">121</span> if (t instanceof SocketTimeoutException ||<a name="line.121"></a> -<span class="sourceLineNo">122</span> t instanceof ConnectException ||<a name="line.122"></a> -<span class="sourceLineNo">123</span> t instanceof RetriesExhaustedException ||<a name="line.123"></a> -<span class="sourceLineNo">124</span> (location != null && getConnection().isDeadServer(location.getServerName()))) {<a name="line.124"></a> -<span class="sourceLineNo">125</span> // if thrown these exceptions, we clear all the cache entries that<a name="line.125"></a> -<span class="sourceLineNo">126</span> // map to that slow/dead server; otherwise, let cache miss and ask<a name="line.126"></a> -<span class="sourceLineNo">127</span> // hbase:meta again to find the new location<a name="line.127"></a> -<span class="sourceLineNo">128</span> if (this.location != null) getConnection().clearCaches(location.getServerName());<a name="line.128"></a> -<span class="sourceLineNo">129</span> } else if (t instanceof RegionMovedException) {<a name="line.129"></a> -<span class="sourceLineNo">130</span> getConnection().updateCachedLocations(tableName, row, t, location);<a name="line.130"></a> -<span class="sourceLineNo">131</span> } else if (t instanceof NotServingRegionException && !retrying) {<a 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http://git-wip-us.apache.org/repos/asf/hbase-site/blob/2211f347/devapidocs/src-html/org/apache/hadoop/hbase/client/ResultStatsUtil.html ---------------------------------------------------------------------- diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/client/ResultStatsUtil.html b/devapidocs/src-html/org/apache/hadoop/hbase/client/ResultStatsUtil.html index 44ec921..22450fd 100644 --- a/devapidocs/src-html/org/apache/hadoop/hbase/client/ResultStatsUtil.html +++ b/devapidocs/src-html/org/apache/hadoop/hbase/client/ResultStatsUtil.html @@ -63,25 +63,29 @@ <span class="sourceLineNo">055</span> return r;<a name="line.55"></a> <span class="sourceLineNo">056</span> }<a name="line.56"></a> <span class="sourceLineNo">057</span><a name="line.57"></a> -<span class="sourceLineNo">058</span> if (regionName != null) {<a name="line.58"></a> -<span class="sourceLineNo">059</span> serverStats.updateRegionStats(server, regionName, stats);<a name="line.59"></a> -<span class="sourceLineNo">060</span> }<a name="line.60"></a> +<span class="sourceLineNo">058</span> updateStats(serverStats, server, regionName, stats);<a name="line.58"></a> +<span class="sourceLineNo">059</span> return r;<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> return r;<a name="line.62"></a> -<span class="sourceLineNo">063</span> }<a name="line.63"></a> -<span class="sourceLineNo">064</span><a name="line.64"></a> -<span class="sourceLineNo">065</span> public static <T> T updateStats(T r, ServerStatisticTracker stats,<a name="line.65"></a> -<span class="sourceLineNo">066</span> HRegionLocation regionLocation) {<a name="line.66"></a> -<span class="sourceLineNo">067</span> byte[] regionName = null;<a name="line.67"></a> -<span class="sourceLineNo">068</span> ServerName server = null;<a name="line.68"></a> -<span class="sourceLineNo">069</span> if 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name="line.64"></a> +<span class="sourceLineNo">065</span> tracker.updateRegionStats(server, regionName, stats);<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><a name="line.68"></a> +<span class="sourceLineNo">069</span> public static <T> T updateStats(T r, ServerStatisticTracker stats,<a name="line.69"></a> +<span class="sourceLineNo">070</span> HRegionLocation regionLocation) {<a name="line.70"></a> +<span class="sourceLineNo">071</span> byte[] regionName = null;<a name="line.71"></a> +<span class="sourceLineNo">072</span> ServerName server = null;<a name="line.72"></a> +<span class="sourceLineNo">073</span> if (regionLocation != null) {<a name="line.73"></a> +<span class="sourceLineNo">074</span> server = regionLocation.getServerName();<a name="line.74"></a> +<span class="sourceLineNo">075</span> regionName = regionLocation.getRegionInfo().getRegionName();<a name="line.75"></a> +<span class="sourceLineNo">076</span> }<a name="line.76"></a> +<span class="sourceLineNo">077</span><a name="line.77"></a> +<span class="sourceLineNo">078</span> return updateStats(r, stats, server, regionName);<a name="line.78"></a> +<span class="sourceLineNo">079</span> }<a name="line.79"></a> +<span class="sourceLineNo">080</span>}<a name="line.80"></a> http://git-wip-us.apache.org/repos/asf/hbase-site/blob/2211f347/devapidocs/src-html/org/apache/hadoop/hbase/client/RetryingTimeTracker.html ---------------------------------------------------------------------- diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/client/RetryingTimeTracker.html b/devapidocs/src-html/org/apache/hadoop/hbase/client/RetryingTimeTracker.html new file mode 100644 index 0000000..b458946 --- /dev/null +++ b/devapidocs/src-html/org/apache/hadoop/hbase/client/RetryingTimeTracker.html @@ -0,0 +1,129 @@ +<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd";> +<html lang="en"> +<head> +<title>Source code</title> +<link rel="stylesheet" type="text/css" href="../../../../../../stylesheet.css" title="Style"> +</head> +<body> +<div class="sourceContainer"> +<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 or more<a name="line.2"></a> +<span class="sourceLineNo">003</span> * contributor license agreements. See the NOTICE file distributed with<a name="line.3"></a> +<span class="sourceLineNo">004</span> * this work for additional information regarding copyright ownership.<a name="line.4"></a> +<span class="sourceLineNo">005</span> * The ASF licenses this file to you under the Apache License, Version 2.0<a name="line.5"></a> +<span class="sourceLineNo">006</span> * (the "License"); you may not use this file except in compliance with<a name="line.6"></a> +<span class="sourceLineNo">007</span> * the License. You may obtain a copy of the License at<a name="line.7"></a> +<span class="sourceLineNo">008</span> *<a name="line.8"></a> +<span class="sourceLineNo">009</span> * http://www.apache.org/licenses/LICENSE-2.0<a name="line.9"></a> +<span class="sourceLineNo">010</span> *<a name="line.10"></a> +<span class="sourceLineNo">011</span> * Unless required by applicable law or agreed to in writing, software<a name="line.11"></a> +<span class="sourceLineNo">012</span> * distributed under the License is distributed on an "AS IS" BASIS,<a name="line.12"></a> +<span class="sourceLineNo">013</span> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.<a name="line.13"></a> +<span class="sourceLineNo">014</span> * See the License for the specific language governing permissions and<a name="line.14"></a> +<span class="sourceLineNo">015</span> * limitations under the License.<a name="line.15"></a> +<span class="sourceLineNo">016</span> */<a name="line.16"></a> +<span class="sourceLineNo">017</span>package org.apache.hadoop.hbase.client;<a name="line.17"></a> +<span class="sourceLineNo">018</span><a name="line.18"></a> +<span class="sourceLineNo">019</span>import org.apache.hadoop.hbase.util.EnvironmentEdgeManager;<a name="line.19"></a> +<span class="sourceLineNo">020</span><a name="line.20"></a> +<span class="sourceLineNo">021</span>/**<a name="line.21"></a> +<span class="sourceLineNo">022</span> * Tracks the amount of time remaining for an operation.<a name="line.22"></a> +<span class="sourceLineNo">023</span> */<a name="line.23"></a> +<span class="sourceLineNo">024</span>class RetryingTimeTracker {<a name="line.24"></a> +<span class="sourceLineNo">025</span><a name="line.25"></a> +<span class="sourceLineNo">026</span> private long globalStartTime = -1;<a name="line.26"></a> +<span class="sourceLineNo">027</span><a name="line.27"></a> +<span class="sourceLineNo">028</span> public void start() {<a name="line.28"></a> +<span class="sourceLineNo">029</span> if (this.globalStartTime < 0) {<a name="line.29"></a> +<span class="sourceLineNo">030</span> this.globalStartTime = EnvironmentEdgeManager.currentTime();<a name="line.30"></a> +<span class="sourceLineNo">031</span> }<a name="line.31"></a> +<span class="sourceLineNo">032</span> }<a name="line.32"></a> +<span class="sourceLineNo">033</span><a name="line.33"></a> +<span class="sourceLineNo">034</span> public int getRemainingTime(int callTimeout) {<a name="line.34"></a> +<span class="sourceLineNo">035</span> if (callTimeout <= 0) {<a name="line.35"></a> +<span class="sourceLineNo">036</span> return 0;<a name="line.36"></a> +<span class="sourceLineNo">037</span> } else {<a name="line.37"></a> +<span class="sourceLineNo">038</span> if (callTimeout == Integer.MAX_VALUE) {<a name="line.38"></a> +<span class="sourceLineNo">039</span> return Integer.MAX_VALUE;<a name="line.39"></a> +<span class="sourceLineNo">040</span> }<a name="line.40"></a> +<span class="sourceLineNo">041</span> int remainingTime = (int) (<a name="line.41"></a> +<span class="sourceLineNo">042</span> callTimeout -<a name="line.42"></a> +<span class="sourceLineNo">043</span> (EnvironmentEdgeManager.currentTime() - this.globalStartTime));<a name="line.43"></a> +<span class="sourceLineNo">044</span> if (remainingTime < 1) {<a name="line.44"></a> +<span class="sourceLineNo">045</span> // If there is no time left, we're trying anyway. It's too late.<a name="line.45"></a> +<span class="sourceLineNo">046</span> // 0 means no timeout, and it's not the intent here. So we secure both cases by<a name="line.46"></a> +<span class="sourceLineNo">047</span> // resetting to the minimum.<a name="line.47"></a> +<span class="sourceLineNo">048</span> remainingTime = 1;<a name="line.48"></a> +<span class="sourceLineNo">049</span> }<a name="line.49"></a> +<span class="sourceLineNo">050</span> return remainingTime;<a name="line.50"></a> +<span class="sourceLineNo">051</span> }<a name="line.51"></a> +<span class="sourceLineNo">052</span> }<a name="line.52"></a> +<span class="sourceLineNo">053</span><a name="line.53"></a> +<span class="sourceLineNo">054</span> public long getStartTime() {<a name="line.54"></a> +<span class="sourceLineNo">055</span> return this.globalStartTime;<a name="line.55"></a> +<span class="sourceLineNo">056</span> }<a name="line.56"></a> +<span class="sourceLineNo">057</span>}<a name="line.57"></a> + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +</pre> +</div> +</body> +</html> http://git-wip-us.apache.org/repos/asf/hbase-site/blob/2211f347/devapidocs/src-html/org/apache/hadoop/hbase/client/RpcRetryingCallerFactory.html ---------------------------------------------------------------------- diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/client/RpcRetryingCallerFactory.html b/devapidocs/src-html/org/apache/hadoop/hbase/client/RpcRetryingCallerFactory.html index 513d211..25c61a7 100644 --- a/devapidocs/src-html/org/apache/hadoop/hbase/client/RpcRetryingCallerFactory.html +++ b/devapidocs/src-html/org/apache/hadoop/hbase/client/RpcRetryingCallerFactory.html @@ -75,43 +75,37 @@ <span class="sourceLineNo">067</span> // is cheap as it does not require parsing a complex structure.<a name="line.67"></a> <span class="sourceLineNo">068</span> RpcRetryingCaller<T> caller = new RpcRetryingCallerImpl<T>(pause, retries, interceptor,<a name="line.68"></a> <span class="sourceLineNo">069</span> startLogErrorsCnt);<a name="line.69"></a> -<span class="sourceLineNo">070</span><a name="line.70"></a> -<span class="sourceLineNo">071</span> // wrap it with stats, if we are tracking them<a name="line.71"></a> -<span class="sourceLineNo">072</span> if (enableBackPressure && this.stats != null) {<a name="line.72"></a> -<span class="sourceLineNo">073</span> caller = new StatsTrackingRpcRetryingCaller<T>(caller, this.stats);<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> return caller;<a name="line.76"></a> -<span class="sourceLineNo">077</span> }<a name="line.77"></a> -<span class="sourceLineNo">078</span><a name="line.78"></a> -<span class="sourceLineNo">079</span> public static RpcRetryingCallerFactory instantiate(Configuration configuration) {<a name="line.79"></a> -<span class="sourceLineNo">080</span> return instantiate(configuration, RetryingCallerInterceptorFactory.NO_OP_INTERCEPTOR, null);<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> public static RpcRetryingCallerFactory instantiate(Configuration configuration,<a name="line.83"></a> -<span class="sourceLineNo">084</span> ServerStatisticTracker stats) {<a name="line.84"></a> -<span class="sourceLineNo">085</span> return instantiate(configuration, RetryingCallerInterceptorFactory.NO_OP_INTERCEPTOR, stats);<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> public static RpcRetryingCallerFactory instantiate(Configuration configuration,<a name="line.88"></a> -<span class="sourceLineNo">089</span> RetryingCallerInterceptor interceptor, ServerStatisticTracker stats) {<a name="line.89"></a> -<span class="sourceLineNo">090</span> String clazzName = RpcRetryingCallerFactory.class.getName();<a name="line.90"></a> -<span class="sourceLineNo">091</span> String rpcCallerFactoryClazz =<a name="line.91"></a> -<span class="sourceLineNo">092</span> configuration.get(RpcRetryingCallerFactory.CUSTOM_CALLER_CONF_KEY, clazzName);<a name="line.92"></a> -<span class="sourceLineNo">093</span> RpcRetryingCallerFactory factory;<a name="line.93"></a> -<span class="sourceLineNo">094</span> if (rpcCallerFactoryClazz.equals(clazzName)) {<a name="line.94"></a> -<span class="sourceLineNo">095</span> factory = new RpcRetryingCallerFactory(configuration, interceptor);<a name="line.95"></a> -<span class="sourceLineNo">096</span> } else {<a name="line.96"></a> -<span class="sourceLineNo">097</span> factory = ReflectionUtils.instantiateWithCustomCtor(<a name="line.97"></a> -<span class="sourceLineNo">098</span> rpcCallerFactoryClazz, new Class[] { Configuration.class },<a name="line.98"></a> -<span class="sourceLineNo">099</span> new Object[] { configuration });<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> // setting for backwards compat with existing caller factories, rather than in the ctor<a name="line.102"></a> -<span class="sourceLineNo">103</span> factory.setStatisticTracker(stats);<a name="line.103"></a> -<span class="sourceLineNo">104</span> return factory;<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">070</span> return caller;<a name="line.70"></a> +<span class="sourceLineNo">071</span> }<a name="line.71"></a> +<span class="sourceLineNo">072</span><a name="line.72"></a> +<span class="sourceLineNo">073</span> public static RpcRetryingCallerFactory instantiate(Configuration configuration) {<a name="line.73"></a> +<span class="sourceLineNo">074</span> return instantiate(configuration, RetryingCallerInterceptorFactory.NO_OP_INTERCEPTOR, null);<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> public static RpcRetryingCallerFactory instantiate(Configuration configuration,<a name="line.77"></a> +<span class="sourceLineNo">078</span> ServerStatisticTracker stats) {<a name="line.78"></a> +<span class="sourceLineNo">079</span> return instantiate(configuration, RetryingCallerInterceptorFactory.NO_OP_INTERCEPTOR, stats);<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> public static RpcRetryingCallerFactory instantiate(Configuration configuration,<a name="line.82"></a> +<span class="sourceLineNo">083</span> RetryingCallerInterceptor interceptor, ServerStatisticTracker stats) {<a name="line.83"></a> +<span class="sourceLineNo">084</span> String clazzName = RpcRetryingCallerFactory.class.getName();<a name="line.84"></a> +<span class="sourceLineNo">085</span> String rpcCallerFactoryClazz =<a name="line.85"></a> +<span class="sourceLineNo">086</span> configuration.get(RpcRetryingCallerFactory.CUSTOM_CALLER_CONF_KEY, clazzName);<a name="line.86"></a> +<span class="sourceLineNo">087</span> RpcRetryingCallerFactory factory;<a name="line.87"></a> +<span class="sourceLineNo">088</span> if (rpcCallerFactoryClazz.equals(clazzName)) {<a name="line.88"></a> +<span class="sourceLineNo">089</span> factory = new RpcRetryingCallerFactory(configuration, interceptor);<a name="line.89"></a> +<span class="sourceLineNo">090</span> } else {<a name="line.90"></a> +<span class="sourceLineNo">091</span> factory = ReflectionUtils.instantiateWithCustomCtor(<a name="line.91"></a> +<span class="sourceLineNo">092</span> rpcCallerFactoryClazz, new Class[] { Configuration.class },<a name="line.92"></a> +<span class="sourceLineNo">093</span> new Object[] { configuration });<a name="line.93"></a> +<span class="sourceLineNo">094</span> }<a name="line.94"></a> +<span class="sourceLineNo">095</span><a name="line.95"></a> +<span class="sourceLineNo">096</span> // setting for backwards compat with existing caller factories, rather than in the ctor<a name="line.96"></a> +<span class="sourceLineNo">097</span> factory.setStatisticTracker(stats);<a name="line.97"></a> +<span class="sourceLineNo">098</span> return factory;<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> http://git-wip-us.apache.org/repos/asf/hbase-site/blob/2211f347/devapidocs/src-html/org/apache/hadoop/hbase/client/RpcRetryingCallerImpl.html ---------------------------------------------------------------------- diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/client/RpcRetryingCallerImpl.html b/devapidocs/src-html/org/apache/hadoop/hbase/client/RpcRetryingCallerImpl.html index 3aaa29e..23144ac 100644 --- a/devapidocs/src-html/org/apache/hadoop/hbase/client/RpcRetryingCallerImpl.html +++ b/devapidocs/src-html/org/apache/hadoop/hbase/client/RpcRetryingCallerImpl.html @@ -59,190 +59,170 @@ <span class="sourceLineNo">051</span>public class RpcRetryingCallerImpl<T> implements RpcRetryingCaller<T> {<a name="line.51"></a> <span class="sourceLineNo">052</span> // LOG is being used in TestMultiRowRangeFilter, hence leaving it public<a name="line.52"></a> <span class="sourceLineNo">053</span> public static final Log LOG = LogFactory.getLog(RpcRetryingCallerImpl.class);<a name="line.53"></a> -<span class="sourceLineNo">054</span> /**<a name="line.54"></a> -<span class="sourceLineNo">055</span> * When we started making calls.<a name="line.55"></a> -<span class="sourceLineNo">056</span> */<a name="line.56"></a> -<span class="sourceLineNo">057</span> private long globalStartTime;<a name="line.57"></a> -<span class="sourceLineNo">058</span><a name="line.58"></a> -<span class="sourceLineNo">059</span> /** How many retries are allowed before we start to log */<a name="line.59"></a> -<span class="sourceLineNo">060</span> private final int startLogErrorsCnt;<a name="line.60"></a> -<span class="sourceLineNo">061</span><a name="line.61"></a> -<span class="sourceLineNo">062</span> private final long pause;<a name="line.62"></a> -<span class="sourceLineNo">063</span> private final int maxAttempts;// how many times to try<a name="line.63"></a> -<span class="sourceLineNo">064</span> private final AtomicBoolean cancelled = new AtomicBoolean(false);<a name="line.64"></a> -<span class="sourceLineNo">065</span> private final RetryingCallerInterceptor interceptor;<a name="line.65"></a> -<span class="sourceLineNo">066</span> private final RetryingCallerInterceptorContext context;<a name="line.66"></a> -<span class="sourceLineNo">067</span><a name="line.67"></a> -<span class="sourceLineNo">068</span> public RpcRetryingCallerImpl(long pause, int retries, int startLogErrorsCnt) {<a name="line.68"></a> -<span class="sourceLineNo">069</span> this(pause, retries, RetryingCallerInterceptorFactory.NO_OP_INTERCEPTOR, startLogErrorsCnt);<a name="line.69"></a> -<span class="sourceLineNo">070</span> }<a name="line.70"></a> -<span class="sourceLineNo">071</span> <a name="line.71"></a> -<span class="sourceLineNo">072</span> public RpcRetryingCallerImpl(long pause, int retries,<a name="line.72"></a> -<span class="sourceLineNo">073</span> RetryingCallerInterceptor interceptor, int startLogErrorsCnt) {<a name="line.73"></a> -<span class="sourceLineNo">074</span> this.pause = pause;<a name="line.74"></a> -<span class="sourceLineNo">075</span> this.maxAttempts = retries + 1;<a name="line.75"></a> -<span class="sourceLineNo">076</span> this.interceptor = interceptor;<a name="line.76"></a> -<span class="sourceLineNo">077</span> context = 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class="sourceLineNo">088</span> if (remainingTime < 1) {<a name="line.88"></a> -<span class="sourceLineNo">089</span> // If there is no time left, we're trying anyway. It's too late.<a name="line.89"></a> -<span class="sourceLineNo">090</span> // 0 means no timeout, and it's not the intent here. 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retrying, to give<a name="line.122"></a> +<span class="sourceLineNo">123</span> // a chance to the regions to be<a name="line.123"></a> +<span class="sourceLineNo">124</span> // tries hasn't been bumped up yet so we use "tries + 1" to get right pause time<a name="line.124"></a> +<span class="sourceLineNo">125</span> expectedSleep = callable.sleep(pause, tries + 1);<a name="line.125"></a> +<span class="sourceLineNo">126</span><a name="line.126"></a> +<span class="sourceLineNo">127</span> // If, after the planned sleep, there won't be enough time left, we stop now.<a name="line.127"></a> +<span class="sourceLineNo">128</span> long duration = singleCallDuration(expectedSleep);<a name="line.128"></a> +<span class="sourceLineNo">129</span> if (duration > callTimeout) {<a name="line.129"></a> +<span class="sourceLineNo">130</span> String msg = "callTimeout=" + callTimeout + ", callDuration=" + duration +<a name="line.130"></a> +<span class="sourceLineNo">131</span> ": " + callable.getExceptionMessageAdditionalDetail();<a name="line.131"></a> +<span class="sourceLineNo">132</span> throw (SocketTimeoutException)(new SocketTimeoutException(msg).initCause(t));<a name="line.132"></a> +<span class="sourceLineNo">133</span> }<a name="line.133"></a> +<span class="sourceLineNo">134</span> } finally {<a name="line.134"></a> +<span class="sourceLineNo">135</span> interceptor.updateFailureInfo(context);<a name="line.135"></a> +<span class="sourceLineNo">136</span> }<a name="line.136"></a> +<span class="sourceLineNo">137</span> try {<a name="line.137"></a> +<span class="sourceLineNo">138</span> if (expectedSleep > 0) {<a name="line.138"></a> +<span class="sourceLineNo">139</span> synchronized (cancelled) {<a name="line.139"></a> +<span class="sourceLineNo">140</span> if (cancelled.get()) return null;<a name="line.140"></a> +<span class="sourceLineNo">141</span> cancelled.wait(expectedSleep);<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> if (cancelled.get()) return null;<a name="line.144"></a> +<span class="sourceLineNo">145</span> } catch (InterruptedException e) {<a name="line.145"></a> +<span class="sourceLineNo">146</span> throw new InterruptedIOException("Interrupted after " + tries<a name="line.146"></a> +<span class="sourceLineNo">147</span> + " tries while maxAttempts=" + maxAttempts);<a name="line.147"></a> +<span class="sourceLineNo">148</span> }<a name="line.148"></a> +<span class="sourceLineNo">149</span> }<a name="line.149"></a> +<span class="sourceLineNo">150</span> }<a name="line.150"></a> +<span class="sourceLineNo">151</span><a name="line.151"></a> +<span class="sourceLineNo">152</span> /**<a name="line.152"></a> +<span class="sourceLineNo">153</span> * @return Calculate how long a single call took<a name="line.153"></a> +<span class="sourceLineNo">154</span> */<a name="line.154"></a> +<span class="sourceLineNo">155</span> private long singleCallDuration(final long expectedSleep) {<a name="line.155"></a> +<span class="sourceLineNo">156</span> return (EnvironmentEdgeManager.currentTime() - tracker.getStartTime()) + expectedSleep;<a name="line.156"></a> +<span class="sourceLineNo">157</span> }<a name="line.157"></a> +<span class="sourceLineNo">158</span><a name="line.158"></a> +<span class="sourceLineNo">159</span> @Override<a name="line.159"></a> +<span class="sourceLineNo">160</span> public T callWithoutRetries(RetryingCallable<T> callable, int callTimeout)<a name="line.160"></a> +<span class="sourceLineNo">161</span> throws IOException, RuntimeException {<a name="line.161"></a> +<span class="sourceLineNo">162</span> // The code of this method should be shared with withRetries.<a name="line.162"></a> +<span class="sourceLineNo">163</span> try {<a name="line.163"></a> +<span class="sourceLineNo">164</span> callable.prepare(false);<a 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name="line.213"></a> +<span class="sourceLineNo">214</span> return "RpcRetryingCaller{" + "globalStartTime=" + tracker.getStartTime() +<a name="line.214"></a> +<span class="sourceLineNo">215</span> ", pause=" + pause + ", maxAttempts=" + maxAttempts + '}';<a name="line.215"></a> +<span class="sourceLineNo">216</span> }<a name="line.216"></a> +<span class="sourceLineNo">217</span>}<a name="line.217"></a> http://git-wip-us.apache.org/repos/asf/hbase-site/blob/2211f347/devapidocs/src-html/org/apache/hadoop/hbase/client/ServerStatisticTracker.html ---------------------------------------------------------------------- diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/client/ServerStatisticTracker.html b/devapidocs/src-html/org/apache/hadoop/hbase/client/ServerStatisticTracker.html index 55ea6de..2b52a04 100644 --- a/devapidocs/src-html/org/apache/hadoop/hbase/client/ServerStatisticTracker.html +++ b/devapidocs/src-html/org/apache/hadoop/hbase/client/ServerStatisticTracker.html @@ 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