http://git-wip-us.apache.org/repos/asf/hbase-site/blob/900a9477/devapidocs/src-html/org/apache/hadoop/hbase/client/AsyncProcess.AsyncRequestFuture.html ---------------------------------------------------------------------- diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/client/AsyncProcess.AsyncRequestFuture.html b/devapidocs/src-html/org/apache/hadoop/hbase/client/AsyncProcess.AsyncRequestFuture.html index c8d868f..d0040f6 100644 --- a/devapidocs/src-html/org/apache/hadoop/hbase/client/AsyncProcess.AsyncRequestFuture.html +++ b/devapidocs/src-html/org/apache/hadoop/hbase/client/AsyncProcess.AsyncRequestFuture.html @@ -49,1752 +49,1792 @@ <span class="sourceLineNo">041</span><a name="line.41"></a> <span class="sourceLineNo">042</span>import org.apache.commons.logging.Log;<a name="line.42"></a> <span class="sourceLineNo">043</span>import org.apache.commons.logging.LogFactory;<a name="line.43"></a> -<span class="sourceLineNo">044</span>import org.apache.hadoop.hbase.classification.InterfaceAudience;<a name="line.44"></a> -<span class="sourceLineNo">045</span>import org.apache.hadoop.conf.Configuration;<a name="line.45"></a> -<span class="sourceLineNo">046</span>import org.apache.hadoop.hbase.DoNotRetryIOException;<a name="line.46"></a> -<span class="sourceLineNo">047</span>import org.apache.hadoop.hbase.HConstants;<a name="line.47"></a> -<span class="sourceLineNo">048</span>import org.apache.hadoop.hbase.HRegionInfo;<a name="line.48"></a> -<span class="sourceLineNo">049</span>import org.apache.hadoop.hbase.HRegionLocation;<a name="line.49"></a> -<span class="sourceLineNo">050</span>import org.apache.hadoop.hbase.RegionLocations;<a name="line.50"></a> -<span class="sourceLineNo">051</span>import org.apache.hadoop.hbase.ServerName;<a name="line.51"></a> -<span class="sourceLineNo">052</span>import org.apache.hadoop.hbase.TableName;<a name="line.52"></a> -<span class="sourceLineNo">053</span>import org.apache.hadoop.hbase.client.backoff.ServerStatistics;<a name="line.53"></a> -<span class="sourceLineNo">054</span>import org.apache.hadoop.hbase.client.coprocessor.Batch;<a name="line.54"></a> -<span class="sourceLineNo">055</span>import org.apache.hadoop.hbase.ipc.RpcControllerFactory;<a name="line.55"></a> -<span class="sourceLineNo">056</span>import org.apache.hadoop.hbase.util.Bytes;<a name="line.56"></a> -<span class="sourceLineNo">057</span>import org.apache.hadoop.hbase.util.EnvironmentEdgeManager;<a name="line.57"></a> -<span class="sourceLineNo">058</span>import org.apache.htrace.Trace;<a name="line.58"></a> -<span class="sourceLineNo">059</span><a name="line.59"></a> -<span class="sourceLineNo">060</span>import com.google.common.annotations.VisibleForTesting;<a name="line.60"></a> -<span class="sourceLineNo">061</span><a name="line.61"></a> -<span class="sourceLineNo">062</span>/**<a name="line.62"></a> -<span class="sourceLineNo">063</span> * This class allows a continuous flow of requests. It's written to be compatible with a<a name="line.63"></a> -<span class="sourceLineNo">064</span> * synchronous caller such as HTable.<a name="line.64"></a> -<span class="sourceLineNo">065</span> * <p><a name="line.65"></a> -<span class="sourceLineNo">066</span> * The caller sends a buffer of operation, by calling submit. This class extract from this list<a name="line.66"></a> -<span class="sourceLineNo">067</span> * the operations it can send, i.e. the operations that are on region that are not considered<a name="line.67"></a> -<span class="sourceLineNo">068</span> * as busy. The process is asynchronous, i.e. it returns immediately when if has finished to<a name="line.68"></a> -<span class="sourceLineNo">069</span> * iterate on the list. If, and only if, the maximum number of current task is reached, the call<a name="line.69"></a> -<span class="sourceLineNo">070</span> * to submit will block. Alternatively, the caller can call submitAll, in which case all the<a name="line.70"></a> -<span class="sourceLineNo">071</span> * operations will be sent. Each call to submit returns a future-like object that can be used<a name="line.71"></a> -<span class="sourceLineNo">072</span> * to track operation progress.<a name="line.72"></a> -<span class="sourceLineNo">073</span> * </p><a name="line.73"></a> -<span class="sourceLineNo">074</span> * <p><a name="line.74"></a> -<span class="sourceLineNo">075</span> * The class manages internally the retries.<a name="line.75"></a> -<span class="sourceLineNo">076</span> * </p><a name="line.76"></a> -<span class="sourceLineNo">077</span> * <p><a name="line.77"></a> -<span class="sourceLineNo">078</span> * The class can be constructed in regular mode, or "global error" mode. In global error mode,<a name="line.78"></a> -<span class="sourceLineNo">079</span> * AP tracks errors across all calls (each "future" also has global view of all errors). That<a name="line.79"></a> -<span class="sourceLineNo">080</span> * mode is necessary for backward compat with HTable behavior, where multiple submissions are<a name="line.80"></a> -<span class="sourceLineNo">081</span> * made and the errors can propagate using any put/flush call, from previous calls.<a name="line.81"></a> -<span class="sourceLineNo">082</span> * In "regular" mode, the errors are tracked inside the Future object that is returned.<a name="line.82"></a> -<span class="sourceLineNo">083</span> * The results are always tracked inside the Future object and can be retrieved when the call<a name="line.83"></a> -<span class="sourceLineNo">084</span> * has finished. Partial results can also be retrieved if some part of multi-request failed.<a name="line.84"></a> -<span class="sourceLineNo">085</span> * </p><a name="line.85"></a> -<span class="sourceLineNo">086</span> * <p><a name="line.86"></a> -<span class="sourceLineNo">087</span> * This class is thread safe in regular mode; in global error code, submitting operations and<a name="line.87"></a> -<span class="sourceLineNo">088</span> * retrieving errors from different threads may be not thread safe.<a name="line.88"></a> -<span class="sourceLineNo">089</span> * Internally, the class is thread safe enough to manage simultaneously new submission and results<a name="line.89"></a> -<span class="sourceLineNo">090</span> * arising from older operations.<a name="line.90"></a> -<span class="sourceLineNo">091</span> * </p><a name="line.91"></a> -<span class="sourceLineNo">092</span> * <p><a name="line.92"></a> -<span class="sourceLineNo">093</span> * Internally, this class works with {@link Row}, this mean it could be theoretically used for<a name="line.93"></a> -<span class="sourceLineNo">094</span> * gets as well.<a name="line.94"></a> -<span class="sourceLineNo">095</span> * </p><a name="line.95"></a> -<span class="sourceLineNo">096</span> */<a name="line.96"></a> -<span class="sourceLineNo">097</span>@InterfaceAudience.Private<a name="line.97"></a> -<span class="sourceLineNo">098</span>class AsyncProcess {<a name="line.98"></a> -<span class="sourceLineNo">099</span> private static final Log LOG = LogFactory.getLog(AsyncProcess.class);<a name="line.99"></a> -<span class="sourceLineNo">100</span> protected static final AtomicLong COUNTER = new AtomicLong();<a name="line.100"></a> -<span class="sourceLineNo">101</span><a name="line.101"></a> -<span class="sourceLineNo">102</span> public static final String PRIMARY_CALL_TIMEOUT_KEY = "hbase.client.primaryCallTimeout.multiget";<a name="line.102"></a> -<span class="sourceLineNo">103</span><a name="line.103"></a> -<span class="sourceLineNo">104</span> /**<a name="line.104"></a> -<span class="sourceLineNo">105</span> * Configure the number of failures after which the client will start logging. A few failures<a name="line.105"></a> -<span class="sourceLineNo">106</span> * is fine: region moved, then is not opened, then is overloaded. We try to have an acceptable<a name="line.106"></a> -<span class="sourceLineNo">107</span> * heuristic for the number of errors we don't log. 9 was chosen because we wait for 1s at<a name="line.107"></a> -<span class="sourceLineNo">108</span> * this stage.<a name="line.108"></a> -<span class="sourceLineNo">109</span> */<a name="line.109"></a> -<span class="sourceLineNo">110</span> public static final String START_LOG_ERRORS_AFTER_COUNT_KEY =<a name="line.110"></a> -<span class="sourceLineNo">111</span> "hbase.client.start.log.errors.counter";<a name="line.111"></a> -<span class="sourceLineNo">112</span> public static final int DEFAULT_START_LOG_ERRORS_AFTER_COUNT = 9;<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> * The context used to wait for results from one submit call.<a name="line.115"></a> -<span class="sourceLineNo">116</span> * 1) If AsyncProcess is set to track errors globally, and not per call (for HTable puts),<a name="line.116"></a> -<span class="sourceLineNo">117</span> * then errors and failed operations in this object will reflect global errors.<a name="line.117"></a> -<span class="sourceLineNo">118</span> * 2) If submit call is made with needResults false, results will not be saved.<a name="line.118"></a> -<span class="sourceLineNo">119</span> * */<a name="line.119"></a> -<span class="sourceLineNo">120</span> public static interface AsyncRequestFuture {<a name="line.120"></a> -<span class="sourceLineNo">121</span> public boolean hasError();<a name="line.121"></a> -<span class="sourceLineNo">122</span> public RetriesExhaustedWithDetailsException getErrors();<a name="line.122"></a> -<span class="sourceLineNo">123</span> public List<? extends Row> getFailedOperations();<a name="line.123"></a> -<span class="sourceLineNo">124</span> public Object[] getResults() throws InterruptedIOException;<a name="line.124"></a> -<span class="sourceLineNo">125</span> /** Wait until all tasks are executed, successfully or not. */<a name="line.125"></a> -<span class="sourceLineNo">126</span> public void waitUntilDone() throws InterruptedIOException;<a name="line.126"></a> -<span class="sourceLineNo">127</span> }<a name="line.127"></a> -<span class="sourceLineNo">128</span><a name="line.128"></a> -<span class="sourceLineNo">129</span> /** Return value from a submit that didn't contain any requests. */<a name="line.129"></a> -<span class="sourceLineNo">130</span> private static final AsyncRequestFuture NO_REQS_RESULT = new AsyncRequestFuture() {<a name="line.130"></a> -<span class="sourceLineNo">131</span> final Object[] result = new Object[0];<a name="line.131"></a> -<span class="sourceLineNo">132</span> @Override<a name="line.132"></a> -<span class="sourceLineNo">133</span> public boolean hasError() { return false; }<a name="line.133"></a> -<span class="sourceLineNo">134</span> @Override<a name="line.134"></a> -<span class="sourceLineNo">135</span> public RetriesExhaustedWithDetailsException getErrors() { return null; }<a name="line.135"></a> +<span class="sourceLineNo">044</span>import org.apache.hadoop.hbase.RetryImmediatelyException;<a name="line.44"></a> +<span class="sourceLineNo">045</span>import org.apache.hadoop.hbase.classification.InterfaceAudience;<a name="line.45"></a> +<span class="sourceLineNo">046</span>import org.apache.hadoop.conf.Configuration;<a name="line.46"></a> +<span class="sourceLineNo">047</span>import org.apache.hadoop.hbase.DoNotRetryIOException;<a name="line.47"></a> +<span class="sourceLineNo">048</span>import org.apache.hadoop.hbase.HConstants;<a name="line.48"></a> +<span class="sourceLineNo">049</span>import org.apache.hadoop.hbase.HRegionInfo;<a name="line.49"></a> +<span class="sourceLineNo">050</span>import org.apache.hadoop.hbase.HRegionLocation;<a name="line.50"></a> +<span class="sourceLineNo">051</span>import org.apache.hadoop.hbase.RegionLocations;<a name="line.51"></a> +<span class="sourceLineNo">052</span>import org.apache.hadoop.hbase.ServerName;<a name="line.52"></a> +<span class="sourceLineNo">053</span>import org.apache.hadoop.hbase.TableName;<a name="line.53"></a> +<span class="sourceLineNo">054</span>import org.apache.hadoop.hbase.client.backoff.ServerStatistics;<a name="line.54"></a> +<span class="sourceLineNo">055</span>import org.apache.hadoop.hbase.client.coprocessor.Batch;<a name="line.55"></a> +<span class="sourceLineNo">056</span>import org.apache.hadoop.hbase.ipc.RpcControllerFactory;<a name="line.56"></a> +<span class="sourceLineNo">057</span>import org.apache.hadoop.hbase.util.Bytes;<a name="line.57"></a> +<span class="sourceLineNo">058</span>import org.apache.hadoop.hbase.util.EnvironmentEdgeManager;<a name="line.58"></a> +<span class="sourceLineNo">059</span>import org.apache.htrace.Trace;<a name="line.59"></a> +<span class="sourceLineNo">060</span><a name="line.60"></a> +<span class="sourceLineNo">061</span>import com.google.common.annotations.VisibleForTesting;<a name="line.61"></a> +<span class="sourceLineNo">062</span><a name="line.62"></a> +<span class="sourceLineNo">063</span>/**<a name="line.63"></a> +<span class="sourceLineNo">064</span> * This class allows a continuous flow of requests. It's written to be compatible with a<a name="line.64"></a> +<span class="sourceLineNo">065</span> * synchronous caller such as HTable.<a name="line.65"></a> +<span class="sourceLineNo">066</span> * <p><a name="line.66"></a> +<span class="sourceLineNo">067</span> * The caller sends a buffer of operation, by calling submit. This class extract from this list<a name="line.67"></a> +<span class="sourceLineNo">068</span> * the operations it can send, i.e. the operations that are on region that are not considered<a name="line.68"></a> +<span class="sourceLineNo">069</span> * as busy. The process is asynchronous, i.e. it returns immediately when if has finished to<a name="line.69"></a> +<span class="sourceLineNo">070</span> * iterate on the list. If, and only if, the maximum number of current task is reached, the call<a name="line.70"></a> +<span class="sourceLineNo">071</span> * to submit will block. Alternatively, the caller can call submitAll, in which case all the<a name="line.71"></a> +<span class="sourceLineNo">072</span> * operations will be sent. Each call to submit returns a future-like object that can be used<a name="line.72"></a> +<span class="sourceLineNo">073</span> * to track operation progress.<a name="line.73"></a> +<span class="sourceLineNo">074</span> * </p><a name="line.74"></a> +<span class="sourceLineNo">075</span> * <p><a name="line.75"></a> +<span class="sourceLineNo">076</span> * The class manages internally the retries.<a name="line.76"></a> +<span class="sourceLineNo">077</span> * </p><a name="line.77"></a> +<span class="sourceLineNo">078</span> * <p><a name="line.78"></a> +<span class="sourceLineNo">079</span> * The class can be constructed in regular mode, or "global error" mode. In global error mode,<a name="line.79"></a> +<span class="sourceLineNo">080</span> * AP tracks errors across all calls (each "future" also has global view of all errors). That<a name="line.80"></a> +<span class="sourceLineNo">081</span> * mode is necessary for backward compat with HTable behavior, where multiple submissions are<a name="line.81"></a> +<span class="sourceLineNo">082</span> * made and the errors can propagate using any put/flush call, from previous calls.<a name="line.82"></a> +<span class="sourceLineNo">083</span> * In "regular" mode, the errors are tracked inside the Future object that is returned.<a name="line.83"></a> +<span class="sourceLineNo">084</span> * The results are always tracked inside the Future object and can be retrieved when the call<a name="line.84"></a> +<span class="sourceLineNo">085</span> * has finished. Partial results can also be retrieved if some part of multi-request failed.<a name="line.85"></a> +<span class="sourceLineNo">086</span> * </p><a name="line.86"></a> +<span class="sourceLineNo">087</span> * <p><a name="line.87"></a> +<span class="sourceLineNo">088</span> * This class is thread safe in regular mode; in global error code, submitting operations and<a name="line.88"></a> +<span class="sourceLineNo">089</span> * retrieving errors from different threads may be not thread safe.<a name="line.89"></a> +<span class="sourceLineNo">090</span> * Internally, the class is thread safe enough to manage simultaneously new submission and results<a name="line.90"></a> +<span class="sourceLineNo">091</span> * arising from older operations.<a name="line.91"></a> +<span class="sourceLineNo">092</span> * </p><a name="line.92"></a> +<span class="sourceLineNo">093</span> * <p><a name="line.93"></a> +<span class="sourceLineNo">094</span> * Internally, this class works with {@link Row}, this mean it could be theoretically used for<a name="line.94"></a> +<span class="sourceLineNo">095</span> * gets as well.<a name="line.95"></a> +<span class="sourceLineNo">096</span> * </p><a name="line.96"></a> +<span class="sourceLineNo">097</span> */<a name="line.97"></a> +<span class="sourceLineNo">098</span>@InterfaceAudience.Private<a name="line.98"></a> +<span class="sourceLineNo">099</span>class AsyncProcess {<a name="line.99"></a> +<span class="sourceLineNo">100</span> private static final Log LOG = LogFactory.getLog(AsyncProcess.class);<a name="line.100"></a> +<span class="sourceLineNo">101</span> protected static final AtomicLong COUNTER = new AtomicLong();<a name="line.101"></a> +<span class="sourceLineNo">102</span><a name="line.102"></a> +<span class="sourceLineNo">103</span> public static final String PRIMARY_CALL_TIMEOUT_KEY = "hbase.client.primaryCallTimeout.multiget";<a name="line.103"></a> +<span class="sourceLineNo">104</span><a name="line.104"></a> +<span class="sourceLineNo">105</span> /**<a name="line.105"></a> +<span class="sourceLineNo">106</span> * Configure the number of failures after which the client will start logging. A few failures<a name="line.106"></a> +<span class="sourceLineNo">107</span> * is fine: region moved, then is not opened, then is overloaded. We try to have an acceptable<a name="line.107"></a> +<span class="sourceLineNo">108</span> * heuristic for the number of errors we don't log. 9 was chosen because we wait for 1s at<a name="line.108"></a> +<span class="sourceLineNo">109</span> * this stage.<a name="line.109"></a> +<span class="sourceLineNo">110</span> */<a name="line.110"></a> +<span class="sourceLineNo">111</span> public static final String START_LOG_ERRORS_AFTER_COUNT_KEY =<a name="line.111"></a> +<span class="sourceLineNo">112</span> "hbase.client.start.log.errors.counter";<a name="line.112"></a> +<span class="sourceLineNo">113</span> public static final int DEFAULT_START_LOG_ERRORS_AFTER_COUNT = 9;<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> * The context used to wait for results from one submit call.<a name="line.116"></a> +<span class="sourceLineNo">117</span> * 1) If AsyncProcess is set to track errors globally, and not per call (for HTable puts),<a name="line.117"></a> +<span class="sourceLineNo">118</span> * then errors and failed operations in this object will reflect global errors.<a name="line.118"></a> +<span class="sourceLineNo">119</span> * 2) If submit call is made with needResults false, results will not be saved.<a name="line.119"></a> +<span class="sourceLineNo">120</span> * */<a name="line.120"></a> +<span class="sourceLineNo">121</span> public static interface AsyncRequestFuture {<a name="line.121"></a> +<span class="sourceLineNo">122</span> public boolean hasError();<a name="line.122"></a> +<span class="sourceLineNo">123</span> public RetriesExhaustedWithDetailsException getErrors();<a name="line.123"></a> +<span class="sourceLineNo">124</span> public List<? extends Row> getFailedOperations();<a name="line.124"></a> +<span class="sourceLineNo">125</span> public Object[] getResults() throws InterruptedIOException;<a name="line.125"></a> +<span class="sourceLineNo">126</span> /** Wait until all tasks are executed, successfully or not. */<a name="line.126"></a> +<span class="sourceLineNo">127</span> public void waitUntilDone() throws InterruptedIOException;<a name="line.127"></a> +<span class="sourceLineNo">128</span> }<a name="line.128"></a> +<span class="sourceLineNo">129</span><a name="line.129"></a> +<span class="sourceLineNo">130</span> /**<a name="line.130"></a> +<span class="sourceLineNo">131</span> * Return value from a submit that didn't contain any requests.<a name="line.131"></a> +<span class="sourceLineNo">132</span> */<a name="line.132"></a> +<span class="sourceLineNo">133</span> private static final AsyncRequestFuture NO_REQS_RESULT = new AsyncRequestFuture() {<a name="line.133"></a> +<span class="sourceLineNo">134</span> final Object[] result = new Object[0];<a name="line.134"></a> +<span class="sourceLineNo">135</span><a name="line.135"></a> <span class="sourceLineNo">136</span> @Override<a name="line.136"></a> -<span class="sourceLineNo">137</span> public List<? extends Row> getFailedOperations() { return null; }<a name="line.137"></a> -<span class="sourceLineNo">138</span> @Override<a name="line.138"></a> -<span class="sourceLineNo">139</span> public Object[] getResults() { return result; }<a name="line.139"></a> -<span class="sourceLineNo">140</span> @Override<a name="line.140"></a> -<span class="sourceLineNo">141</span> public void waitUntilDone() throws InterruptedIOException {}<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> /** Sync point for calls to multiple replicas for the same user request (Get).<a name="line.144"></a> -<span class="sourceLineNo">145</span> * Created and put in the results array (we assume replica calls require results) when<a name="line.145"></a> -<span class="sourceLineNo">146</span> * the replica calls are launched. See results for details of this process.<a name="line.146"></a> -<span class="sourceLineNo">147</span> * POJO, all fields are public. To modify them, the object itself is locked. */<a name="line.147"></a> -<span class="sourceLineNo">148</span> private static class ReplicaResultState {<a name="line.148"></a> -<span class="sourceLineNo">149</span> public ReplicaResultState(int callCount) {<a name="line.149"></a> -<span class="sourceLineNo">150</span> this.callCount = callCount;<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> /** Number of calls outstanding, or 0 if a call succeeded (even with others outstanding). */<a name="line.153"></a> -<span class="sourceLineNo">154</span> int callCount;<a name="line.154"></a> -<span class="sourceLineNo">155</span> /** Errors for which it is not decided whether we will report them to user. If one of the<a name="line.155"></a> -<span class="sourceLineNo">156</span> * calls succeeds, we will discard the errors that may have happened in the other calls. */<a name="line.156"></a> -<span class="sourceLineNo">157</span> BatchErrors replicaErrors = null;<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 String toString() {<a name="line.160"></a> -<span class="sourceLineNo">161</span> return "[call count " + callCount + "; errors " + replicaErrors + "]";<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 name="line.165"></a> -<span class="sourceLineNo">166</span> // TODO: many of the fields should be made private<a name="line.166"></a> -<span class="sourceLineNo">167</span> protected final long id;<a name="line.167"></a> -<span class="sourceLineNo">168</span><a name="line.168"></a> -<span class="sourceLineNo">169</span> protected final ClusterConnection connection;<a name="line.169"></a> -<span class="sourceLineNo">170</span> protected final RpcRetryingCallerFactory rpcCallerFactory;<a name="line.170"></a> -<span class="sourceLineNo">171</span> protected final RpcControllerFactory rpcFactory;<a name="line.171"></a> -<span class="sourceLineNo">172</span> protected final BatchErrors globalErrors;<a name="line.172"></a> -<span class="sourceLineNo">173</span> protected final ExecutorService pool;<a name="line.173"></a> -<span class="sourceLineNo">174</span><a name="line.174"></a> -<span class="sourceLineNo">175</span> protected final AtomicLong tasksInProgress = new AtomicLong(0);<a name="line.175"></a> -<span class="sourceLineNo">176</span> protected final ConcurrentMap<byte[], AtomicInteger> taskCounterPerRegion =<a name="line.176"></a> -<span class="sourceLineNo">177</span> new ConcurrentSkipListMap<byte[], AtomicInteger>(Bytes.BYTES_COMPARATOR);<a name="line.177"></a> -<span class="sourceLineNo">178</span> protected final ConcurrentMap<ServerName, AtomicInteger> taskCounterPerServer =<a name="line.178"></a> -<span class="sourceLineNo">179</span> new ConcurrentHashMap<ServerName, AtomicInteger>();<a name="line.179"></a> -<span class="sourceLineNo">180</span><a name="line.180"></a> -<span class="sourceLineNo">181</span> // Start configuration settings.<a name="line.181"></a> -<span class="sourceLineNo">182</span> private final int startLogErrorsCnt;<a name="line.182"></a> -<span class="sourceLineNo">183</span><a name="line.183"></a> -<span class="sourceLineNo">184</span> /**<a name="line.184"></a> -<span class="sourceLineNo">185</span> * The number of tasks simultaneously executed on the cluster.<a name="line.185"></a> -<span class="sourceLineNo">186</span> */<a name="line.186"></a> -<span class="sourceLineNo">187</span> protected final int maxTotalConcurrentTasks;<a name="line.187"></a> -<span class="sourceLineNo">188</span><a name="line.188"></a> -<span class="sourceLineNo">189</span> /**<a name="line.189"></a> -<span class="sourceLineNo">190</span> * The number of tasks we run in parallel on a single region.<a name="line.190"></a> -<span class="sourceLineNo">191</span> * With 1 (the default) , we ensure that the ordering of the queries is respected: we don't start<a name="line.191"></a> -<span class="sourceLineNo">192</span> * a set of operations on a region before the previous one is done. As well, this limits<a name="line.192"></a> -<span class="sourceLineNo">193</span> * the pressure we put on the region server.<a name="line.193"></a> -<span class="sourceLineNo">194</span> */<a name="line.194"></a> -<span class="sourceLineNo">195</span> protected final int maxConcurrentTasksPerRegion;<a name="line.195"></a> -<span class="sourceLineNo">196</span><a name="line.196"></a> -<span class="sourceLineNo">197</span> /**<a name="line.197"></a> -<span class="sourceLineNo">198</span> * The number of task simultaneously executed on a single region server.<a name="line.198"></a> -<span class="sourceLineNo">199</span> */<a name="line.199"></a> -<span class="sourceLineNo">200</span> protected final int maxConcurrentTasksPerServer;<a name="line.200"></a> -<span class="sourceLineNo">201</span> protected final long pause;<a name="line.201"></a> -<span class="sourceLineNo">202</span> protected int numTries;<a name="line.202"></a> -<span class="sourceLineNo">203</span> protected int serverTrackerTimeout;<a name="line.203"></a> -<span class="sourceLineNo">204</span> protected int timeout;<a name="line.204"></a> -<span class="sourceLineNo">205</span> protected long primaryCallTimeoutMicroseconds;<a name="line.205"></a> -<span class="sourceLineNo">206</span> // End configuration settings.<a name="line.206"></a> -<span class="sourceLineNo">207</span><a name="line.207"></a> -<span class="sourceLineNo">208</span> protected static class BatchErrors {<a name="line.208"></a> -<span class="sourceLineNo">209</span> private final List<Throwable> throwables = new ArrayList<Throwable>();<a name="line.209"></a> -<span class="sourceLineNo">210</span> private final List<Row> actions = new ArrayList<Row>();<a name="line.210"></a> -<span class="sourceLineNo">211</span> private final List<String> addresses = new ArrayList<String>();<a name="line.211"></a> -<span class="sourceLineNo">212</span><a name="line.212"></a> -<span class="sourceLineNo">213</span> public synchronized void add(Throwable ex, Row row, ServerName serverName) {<a name="line.213"></a> -<span class="sourceLineNo">214</span> if (row == null){<a name="line.214"></a> -<span class="sourceLineNo">215</span> throw new IllegalArgumentException("row cannot be null. location=" + serverName);<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> -<span class="sourceLineNo">218</span> throwables.add(ex);<a name="line.218"></a> -<span class="sourceLineNo">219</span> actions.add(row);<a name="line.219"></a> -<span class="sourceLineNo">220</span> addresses.add(serverName != null ? serverName.toString() : "null");<a name="line.220"></a> -<span class="sourceLineNo">221</span> }<a name="line.221"></a> -<span class="sourceLineNo">222</span><a name="line.222"></a> -<span class="sourceLineNo">223</span> public boolean hasErrors() {<a name="line.223"></a> -<span class="sourceLineNo">224</span> return !throwables.isEmpty();<a name="line.224"></a> -<span class="sourceLineNo">225</span> }<a name="line.225"></a> -<span class="sourceLineNo">226</span><a name="line.226"></a> -<span class="sourceLineNo">227</span> private synchronized RetriesExhaustedWithDetailsException makeException() {<a name="line.227"></a> -<span class="sourceLineNo">228</span> return new RetriesExhaustedWithDetailsException(<a name="line.228"></a> -<span class="sourceLineNo">229</span> new ArrayList<Throwable>(throwables),<a name="line.229"></a> -<span class="sourceLineNo">230</span> new ArrayList<Row>(actions), new ArrayList<String>(addresses));<a name="line.230"></a> -<span class="sourceLineNo">231</span> }<a name="line.231"></a> -<span class="sourceLineNo">232</span><a name="line.232"></a> -<span class="sourceLineNo">233</span> public synchronized void clear() {<a name="line.233"></a> -<span class="sourceLineNo">234</span> throwables.clear();<a name="line.234"></a> -<span class="sourceLineNo">235</span> actions.clear();<a name="line.235"></a> -<span class="sourceLineNo">236</span> addresses.clear();<a name="line.236"></a> -<span class="sourceLineNo">237</span> }<a name="line.237"></a> -<span class="sourceLineNo">238</span><a name="line.238"></a> -<span class="sourceLineNo">239</span> public synchronized void merge(BatchErrors other) {<a name="line.239"></a> -<span class="sourceLineNo">240</span> throwables.addAll(other.throwables);<a name="line.240"></a> -<span class="sourceLineNo">241</span> actions.addAll(other.actions);<a name="line.241"></a> -<span class="sourceLineNo">242</span> addresses.addAll(other.addresses);<a name="line.242"></a> -<span class="sourceLineNo">243</span> }<a name="line.243"></a> -<span class="sourceLineNo">244</span> }<a name="line.244"></a> -<span class="sourceLineNo">245</span><a name="line.245"></a> -<span class="sourceLineNo">246</span> public AsyncProcess(ClusterConnection hc, Configuration conf, ExecutorService pool,<a name="line.246"></a> -<span class="sourceLineNo">247</span> RpcRetryingCallerFactory rpcCaller, boolean useGlobalErrors,<a name="line.247"></a> -<span class="sourceLineNo">248</span> RpcControllerFactory rpcFactory) {<a name="line.248"></a> -<span class="sourceLineNo">249</span> if (hc == null) {<a name="line.249"></a> -<span class="sourceLineNo">250</span> throw new IllegalArgumentException("HConnection cannot be null.");<a name="line.250"></a> -<span class="sourceLineNo">251</span> }<a name="line.251"></a> -<span class="sourceLineNo">252</span><a name="line.252"></a> -<span class="sourceLineNo">253</span> this.connection = hc;<a name="line.253"></a> -<span class="sourceLineNo">254</span> this.pool = pool;<a name="line.254"></a> -<span class="sourceLineNo">255</span> this.globalErrors = useGlobalErrors ? new BatchErrors() : null;<a name="line.255"></a> -<span class="sourceLineNo">256</span><a name="line.256"></a> -<span class="sourceLineNo">257</span> this.id = COUNTER.incrementAndGet();<a name="line.257"></a> -<span class="sourceLineNo">258</span><a name="line.258"></a> -<span class="sourceLineNo">259</span> this.pause = conf.getLong(HConstants.HBASE_CLIENT_PAUSE,<a name="line.259"></a> -<span class="sourceLineNo">260</span> HConstants.DEFAULT_HBASE_CLIENT_PAUSE);<a name="line.260"></a> -<span class="sourceLineNo">261</span> // how many times we could try in total, one more than retry number<a name="line.261"></a> -<span class="sourceLineNo">262</span> this.numTries = conf.getInt(HConstants.HBASE_CLIENT_RETRIES_NUMBER,<a name="line.262"></a> -<span class="sourceLineNo">263</span> HConstants.DEFAULT_HBASE_CLIENT_RETRIES_NUMBER) + 1;<a name="line.263"></a> -<span class="sourceLineNo">264</span> this.timeout = conf.getInt(HConstants.HBASE_RPC_TIMEOUT_KEY,<a name="line.264"></a> -<span class="sourceLineNo">265</span> HConstants.DEFAULT_HBASE_RPC_TIMEOUT);<a name="line.265"></a> -<span class="sourceLineNo">266</span> this.primaryCallTimeoutMicroseconds = conf.getInt(PRIMARY_CALL_TIMEOUT_KEY, 10000);<a name="line.266"></a> -<span class="sourceLineNo">267</span><a name="line.267"></a> -<span class="sourceLineNo">268</span> this.maxTotalConcurrentTasks = conf.getInt(HConstants.HBASE_CLIENT_MAX_TOTAL_TASKS,<a name="line.268"></a> -<span class="sourceLineNo">269</span> HConstants.DEFAULT_HBASE_CLIENT_MAX_TOTAL_TASKS);<a name="line.269"></a> -<span class="sourceLineNo">270</span> this.maxConcurrentTasksPerServer = conf.getInt(HConstants.HBASE_CLIENT_MAX_PERSERVER_TASKS,<a name="line.270"></a> -<span class="sourceLineNo">271</span> HConstants.DEFAULT_HBASE_CLIENT_MAX_PERSERVER_TASKS);<a name="line.271"></a> -<span class="sourceLineNo">272</span> this.maxConcurrentTasksPerRegion = conf.getInt(HConstants.HBASE_CLIENT_MAX_PERREGION_TASKS,<a name="line.272"></a> -<span class="sourceLineNo">273</span> HConstants.DEFAULT_HBASE_CLIENT_MAX_PERREGION_TASKS);<a name="line.273"></a> -<span class="sourceLineNo">274</span><a name="line.274"></a> -<span class="sourceLineNo">275</span> this.startLogErrorsCnt =<a name="line.275"></a> -<span class="sourceLineNo">276</span> conf.getInt(START_LOG_ERRORS_AFTER_COUNT_KEY, DEFAULT_START_LOG_ERRORS_AFTER_COUNT);<a name="line.276"></a> -<span class="sourceLineNo">277</span><a name="line.277"></a> -<span class="sourceLineNo">278</span> if (this.maxTotalConcurrentTasks <= 0) {<a name="line.278"></a> -<span class="sourceLineNo">279</span> throw new IllegalArgumentException("maxTotalConcurrentTasks=" + maxTotalConcurrentTasks);<a name="line.279"></a> -<span class="sourceLineNo">280</span> }<a name="line.280"></a> -<span class="sourceLineNo">281</span> if (this.maxConcurrentTasksPerServer <= 0) {<a name="line.281"></a> -<span class="sourceLineNo">282</span> throw new IllegalArgumentException("maxConcurrentTasksPerServer=" +<a name="line.282"></a> -<span class="sourceLineNo">283</span> maxConcurrentTasksPerServer);<a name="line.283"></a> -<span class="sourceLineNo">284</span> }<a name="line.284"></a> -<span class="sourceLineNo">285</span> if (this.maxConcurrentTasksPerRegion <= 0) {<a name="line.285"></a> -<span class="sourceLineNo">286</span> throw new IllegalArgumentException("maxConcurrentTasksPerRegion=" +<a name="line.286"></a> -<span class="sourceLineNo">287</span> maxConcurrentTasksPerRegion);<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> // Server tracker allows us to do faster, and yet useful (hopefully), retries.<a name="line.290"></a> -<span class="sourceLineNo">291</span> // However, if we are too useful, we might fail very quickly due to retry count limit.<a name="line.291"></a> -<span class="sourceLineNo">292</span> // To avoid this, we are going to cheat for now (see HBASE-7659), and calculate maximum<a name="line.292"></a> -<span class="sourceLineNo">293</span> // retry time if normal retries were used. Then we will retry until this time runs out.<a name="line.293"></a> -<span class="sourceLineNo">294</span> // If we keep hitting one server, the net effect will be the incremental backoff, and<a name="line.294"></a> -<span class="sourceLineNo">295</span> // essentially the same number of retries as planned. If we have to do faster retries,<a name="line.295"></a> -<span class="sourceLineNo">296</span> // we will do more retries in aggregate, but the user will be none the wiser.<a name="line.296"></a> -<span class="sourceLineNo">297</span> this.serverTrackerTimeout = 0;<a name="line.297"></a> -<span class="sourceLineNo">298</span> for (int i = 0; i < this.numTries; ++i) {<a name="line.298"></a> -<span class="sourceLineNo">299</span> serverTrackerTimeout += ConnectionUtils.getPauseTime(this.pause, i);<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> this.rpcCallerFactory = rpcCaller;<a name="line.302"></a> -<span class="sourceLineNo">303</span> this.rpcFactory = rpcFactory;<a name="line.303"></a> -<span class="sourceLineNo">304</span> }<a name="line.304"></a> -<span class="sourceLineNo">305</span><a name="line.305"></a> -<span class="sourceLineNo">306</span> /**<a name="line.306"></a> -<span class="sourceLineNo">307</span> * @return pool if non null, otherwise returns this.pool if non null, otherwise throws<a name="line.307"></a> -<span class="sourceLineNo">308</span> * RuntimeException<a name="line.308"></a> -<span class="sourceLineNo">309</span> */<a name="line.309"></a> -<span class="sourceLineNo">310</span> private ExecutorService getPool(ExecutorService pool) {<a name="line.310"></a> -<span class="sourceLineNo">311</span> if (pool != null) return pool;<a name="line.311"></a> -<span class="sourceLineNo">312</span> if (this.pool != null) return this.pool;<a name="line.312"></a> -<span class="sourceLineNo">313</span> throw new RuntimeException("Neither AsyncProcess nor request have ExecutorService");<a name="line.313"></a> -<span class="sourceLineNo">314</span> }<a name="line.314"></a> -<span class="sourceLineNo">315</span><a name="line.315"></a> -<span class="sourceLineNo">316</span> /**<a name="line.316"></a> -<span class="sourceLineNo">317</span> * See {@link #submit(ExecutorService, TableName, List, boolean, Batch.Callback, boolean)}.<a name="line.317"></a> -<span class="sourceLineNo">318</span> * Uses default ExecutorService for this AP (must have been created with one).<a name="line.318"></a> -<span class="sourceLineNo">319</span> */<a name="line.319"></a> -<span class="sourceLineNo">320</span> public <CResult> AsyncRequestFuture submit(TableName tableName, List<? extends Row> rows,<a name="line.320"></a> -<span class="sourceLineNo">321</span> boolean atLeastOne, Batch.Callback<CResult> callback, boolean needResults)<a name="line.321"></a> -<span class="sourceLineNo">322</span> throws InterruptedIOException {<a name="line.322"></a> -<span class="sourceLineNo">323</span> return submit(null, tableName, rows, atLeastOne, callback, needResults);<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> /**<a name="line.326"></a> -<span class="sourceLineNo">327</span> * Extract from the rows list what we can submit. 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extends Row> it = rows.iterator();<a name="line.365"></a> -<span class="sourceLineNo">366</span> while (it.hasNext()) {<a name="line.366"></a> -<span class="sourceLineNo">367</span> Row r = it.next();<a name="line.367"></a> -<span class="sourceLineNo">368</span> HRegionLocation loc;<a name="line.368"></a> -<span class="sourceLineNo">369</span> try {<a name="line.369"></a> -<span class="sourceLineNo">370</span> if (r == null) throw new IllegalArgumentException("#" + id + ", row cannot be null");<a name="line.370"></a> -<span class="sourceLineNo">371</span> // Make sure we get 0-s replica.<a name="line.371"></a> -<span class="sourceLineNo">372</span> RegionLocations locs = connection.locateRegion(<a name="line.372"></a> -<span class="sourceLineNo">373</span> tableName, r.getRow(), true, true, RegionReplicaUtil.DEFAULT_REPLICA_ID);<a name="line.373"></a> -<span class="sourceLineNo">374</span> if (locs == null || locs.isEmpty() || locs.getDefaultRegionLocation() == null) {<a name="line.374"></a> -<span class="sourceLineNo">375</span> throw new IOException("#" + id + ", no location found, aborting submit for"<a name="line.375"></a> -<span class="sourceLineNo">376</span> + " tableName=" + tableName + " rowkey=" + Bytes.toStringBinary(r.getRow()));<a name="line.376"></a> -<span class="sourceLineNo">377</span> }<a name="line.377"></a> -<span class="sourceLineNo">378</span> loc = locs.getDefaultRegionLocation();<a name="line.378"></a> -<span class="sourceLineNo">379</span> } catch (IOException ex) {<a name="line.379"></a> -<span class="sourceLineNo">380</span> locationErrors = new ArrayList<Exception>();<a name="line.380"></a> -<span class="sourceLineNo">381</span> locationErrorRows = new ArrayList<Integer>();<a name="line.381"></a> -<span class="sourceLineNo">382</span> LOG.error("Failed to get region location ", ex);<a name="line.382"></a> -<span class="sourceLineNo">383</span> // This action failed before creating ars. 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i < locationErrors.size(); ++i) {<a name="line.419"></a> -<span class="sourceLineNo">420</span> int originalIndex = locationErrorRows.get(i);<a name="line.420"></a> -<span class="sourceLineNo">421</span> Row row = retainedActions.get(originalIndex).getAction();<a name="line.421"></a> -<span class="sourceLineNo">422</span> ars.manageError(originalIndex, row,<a name="line.422"></a> -<span class="sourceLineNo">423</span> Retry.NO_LOCATION_PROBLEM, locationErrors.get(i), null);<a name="line.423"></a> +<span class="sourceLineNo">137</span> public boolean hasError() {<a name="line.137"></a> +<span class="sourceLineNo">138</span> return false;<a name="line.138"></a> +<span class="sourceLineNo">139</span> }<a name="line.139"></a> +<span class="sourceLineNo">140</span><a name="line.140"></a> +<span class="sourceLineNo">141</span> @Override<a name="line.141"></a> +<span class="sourceLineNo">142</span> public RetriesExhaustedWithDetailsException getErrors() {<a name="line.142"></a> +<span class="sourceLineNo">143</span> return null;<a name="line.143"></a> +<span class="sourceLineNo">144</span> }<a name="line.144"></a> +<span class="sourceLineNo">145</span><a name="line.145"></a> +<span class="sourceLineNo">146</span> @Override<a name="line.146"></a> +<span class="sourceLineNo">147</span> public List<? extends Row> getFailedOperations() {<a name="line.147"></a> +<span class="sourceLineNo">148</span> return null;<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> @Override<a name="line.151"></a> +<span class="sourceLineNo">152</span> public Object[] getResults() {<a name="line.152"></a> +<span class="sourceLineNo">153</span> return result;<a name="line.153"></a> +<span class="sourceLineNo">154</span> }<a name="line.154"></a> +<span class="sourceLineNo">155</span><a name="line.155"></a> +<span class="sourceLineNo">156</span> @Override<a name="line.156"></a> +<span class="sourceLineNo">157</span> public void waitUntilDone() throws InterruptedIOException {<a name="line.157"></a> +<span class="sourceLineNo">158</span> }<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> /** Sync point for calls to multiple replicas for the same user request (Get).<a name="line.161"></a> +<span class="sourceLineNo">162</span> * Created and put in the results array (we assume replica calls require results) when<a name="line.162"></a> +<span class="sourceLineNo">163</span> * the replica calls are launched. See results for details of this process.<a name="line.163"></a> +<span class="sourceLineNo">164</span> * POJO, all fields are public. To modify them, the object itself is locked. */<a name="line.164"></a> +<span class="sourceLineNo">165</span> private static class ReplicaResultState {<a name="line.165"></a> +<span class="sourceLineNo">166</span> public ReplicaResultState(int callCount) {<a name="line.166"></a> +<span class="sourceLineNo">167</span> this.callCount = callCount;<a name="line.167"></a> +<span class="sourceLineNo">168</span> }<a name="line.168"></a> +<span class="sourceLineNo">169</span><a name="line.169"></a> +<span class="sourceLineNo">170</span> /** Number of calls outstanding, or 0 if a call succeeded (even with others outstanding). */<a name="line.170"></a> +<span class="sourceLineNo">171</span> int callCount;<a name="line.171"></a> +<span class="sourceLineNo">172</span> /** Errors for which it is not decided whether we will report them to user. If one of the<a name="line.172"></a> +<span class="sourceLineNo">173</span> * calls succeeds, we will discard the errors that may have happened in the other calls. */<a name="line.173"></a> +<span class="sourceLineNo">174</span> BatchErrors replicaErrors = null;<a name="line.174"></a> +<span class="sourceLineNo">175</span><a name="line.175"></a> +<span class="sourceLineNo">176</span> @Override<a name="line.176"></a> +<span class="sourceLineNo">177</span> public String toString() {<a name="line.177"></a> +<span class="sourceLineNo">178</span> return "[call count " + callCount + "; errors " + replicaErrors + "]";<a name="line.178"></a> +<span class="sourceLineNo">179</span> }<a name="line.179"></a> +<span class="sourceLineNo">180</span> }<a name="line.180"></a> +<span class="sourceLineNo">181</span><a name="line.181"></a> +<span class="sourceLineNo">182</span><a name="line.182"></a> +<span class="sourceLineNo">183</span> // TODO: many of the fields should be made private<a name="line.183"></a> +<span class="sourceLineNo">184</span> protected final long id;<a name="line.184"></a> +<span class="sourceLineNo">185</span><a name="line.185"></a> +<span class="sourceLineNo">186</span> protected final ClusterConnection connection;<a name="line.186"></a> +<span class="sourceLineNo">187</span> protected final RpcRetryingCallerFactory rpcCallerFactory;<a name="line.187"></a> +<span class="sourceLineNo">188</span> protected final RpcControllerFactory rpcFactory;<a name="line.188"></a> +<span class="sourceLineNo">189</span> protected final BatchErrors globalErrors;<a name="line.189"></a> +<span class="sourceLineNo">190</span> protected final ExecutorService pool;<a name="line.190"></a> +<span class="sourceLineNo">191</span><a name="line.191"></a> +<span class="sourceLineNo">192</span> protected final AtomicLong tasksInProgress = new AtomicLong(0);<a name="line.192"></a> +<span class="sourceLineNo">193</span> protected final ConcurrentMap<byte[], AtomicInteger> taskCounterPerRegion =<a name="line.193"></a> +<span class="sourceLineNo">194</span> new ConcurrentSkipListMap<byte[], AtomicInteger>(Bytes.BYTES_COMPARATOR);<a name="line.194"></a> +<span class="sourceLineNo">195</span> protected final ConcurrentMap<ServerName, AtomicInteger> taskCounterPerServer =<a name="line.195"></a> +<span class="sourceLineNo">196</span> new ConcurrentHashMap<ServerName, AtomicInteger>();<a name="line.196"></a> +<span class="sourceLineNo">197</span><a name="line.197"></a> +<span class="sourceLineNo">198</span> // Start configuration settings.<a name="line.198"></a> +<span class="sourceLineNo">199</span> private final int startLogErrorsCnt;<a name="line.199"></a> +<span class="sourceLineNo">200</span><a name="line.200"></a> +<span class="sourceLineNo">201</span> /**<a name="line.201"></a> +<span class="sourceLineNo">202</span> * The number of tasks simultaneously executed on the cluster.<a name="line.202"></a> +<span class="sourceLineNo">203</span> */<a name="line.203"></a> +<span class="sourceLineNo">204</span> protected final int maxTotalConcurrentTasks;<a name="line.204"></a> +<span class="sourceLineNo">205</span><a name="line.205"></a> +<span class="sourceLineNo">206</span> /**<a name="line.206"></a> +<span class="sourceLineNo">207</span> * The number of tasks we run in parallel on a single region.<a name="line.207"></a> +<span class="sourceLineNo">208</span> * With 1 (the default) , we ensure that the ordering of the queries is respected: we don't start<a name="line.208"></a> +<span class="sourceLineNo">209</span> * a set of operations on a region before the previous one is done. As well, this limits<a name="line.209"></a> +<span class="sourceLineNo">210</span> * the pressure we put on the region server.<a name="line.210"></a> +<span class="sourceLineNo">211</span> */<a name="line.211"></a> +<span class="sourceLineNo">212</span> protected final int maxConcurrentTasksPerRegion;<a name="line.212"></a> +<span class="sourceLineNo">213</span><a name="line.213"></a> +<span class="sourceLineNo">214</span> /**<a name="line.214"></a> +<span class="sourceLineNo">215</span> * The number of task simultaneously executed on a single region server.<a name="line.215"></a> +<span class="sourceLineNo">216</span> */<a name="line.216"></a> +<span class="sourceLineNo">217</span> protected final int maxConcurrentTasksPerServer;<a name="line.217"></a> +<span class="sourceLineNo">218</span> protected final long pause;<a name="line.218"></a> +<span class="sourceLineNo">219</span> protected int numTries;<a name="line.219"></a> +<span class="sourceLineNo">220</span> protected int serverTrackerTimeout;<a name="line.220"></a> +<span class="sourceLineNo">221</span> protected int timeout;<a name="line.221"></a> +<span class="sourceLineNo">222</span> protected long primaryCallTimeoutMicroseconds;<a name="line.222"></a> +<span class="sourceLineNo">223</span> // End configuration settings.<a name="line.223"></a> +<span class="sourceLineNo">224</span><a name="line.224"></a> +<span class="sourceLineNo">225</span> protected static class BatchErrors {<a name="line.225"></a> +<span class="sourceLineNo">226</span> private final List<Throwable> throwables = new ArrayList<Throwable>();<a name="line.226"></a> +<span class="sourceLineNo">227</span> private final List<Row> actions = new ArrayList<Row>();<a name="line.227"></a> +<span class="sourceLineNo">228</span> private final List<String> addresses = new ArrayList<String>();<a name="line.228"></a> +<span class="sourceLineNo">229</span><a name="line.229"></a> +<span class="sourceLineNo">230</span> public synchronized void add(Throwable ex, Row row, ServerName serverName) {<a name="line.230"></a> +<span class="sourceLineNo">231</span> if (row == null){<a name="line.231"></a> +<span class="sourceLineNo">232</span> throw new IllegalArgumentException("row cannot be null. location=" + serverName);<a name="line.232"></a> +<span class="sourceLineNo">233</span> }<a name="line.233"></a> +<span class="sourceLineNo">234</span><a name="line.234"></a> +<span class="sourceLineNo">235</span> throwables.add(ex);<a name="line.235"></a> +<span class="sourceLineNo">236</span> actions.add(row);<a name="line.236"></a> +<span class="sourceLineNo">237</span> addresses.add(serverName != null ? serverName.toString() : "null");<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> public boolean hasErrors() {<a name="line.240"></a> +<span class="sourceLineNo">241</span> return !throwables.isEmpty();<a name="line.241"></a> +<span class="sourceLineNo">242</span> }<a name="line.242"></a> +<span class="sourceLineNo">243</span><a name="line.243"></a> +<span class="sourceLineNo">244</span> private synchronized RetriesExhaustedWithDetailsException makeException() {<a name="line.244"></a> +<span class="sourceLineNo">245</span> return new RetriesExhaustedWithDetailsException(<a name="line.245"></a> +<span class="sourceLineNo">246</span> new ArrayList<Throwable>(throwables),<a name="line.246"></a> +<span class="sourceLineNo">247</span> new ArrayList<Row>(actions), new ArrayList<String>(addresses));<a name="line.247"></a> +<span class="sourceLineNo">248</span> }<a name="line.248"></a> +<span class="sourceLineNo">249</span><a name="line.249"></a> +<span class="sourceLineNo">250</span> public synchronized void clear() {<a name="line.250"></a> +<span class="sourceLineNo">251</span> throwables.clear();<a name="line.251"></a> +<span class="sourceLineNo">252</span> actions.clear();<a name="line.252"></a> +<span class="sourceLineNo">253</span> addresses.clear();<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> public synchronized void merge(BatchErrors other) {<a name="line.256"></a> +<span class="sourceLineNo">257</span> throwables.addAll(other.throwables);<a name="line.257"></a> +<span class="sourceLineNo">258</span> actions.addAll(other.actions);<a name="line.258"></a> +<span class="sourceLineNo">259</span> addresses.addAll(other.addresses);<a name="line.259"></a> +<span class="sourceLineNo">260</span> }<a name="line.260"></a> +<span class="sourceLineNo">261</span> }<a name="line.261"></a> +<span class="sourceLineNo">262</span><a name="line.262"></a> +<span class="sourceLineNo">263</span> public AsyncProcess(ClusterConnection hc, Configuration conf, ExecutorService pool,<a name="line.263"></a> +<span class="sourceLineNo">264</span> RpcRetryingCallerFactory rpcCaller, boolean useGlobalErrors,<a name="line.264"></a> +<span class="sourceLineNo">265</span> RpcControllerFactory rpcFactory) {<a name="line.265"></a> +<span class="sourceLineNo">266</span> if (hc == null) {<a name="line.266"></a> +<span class="sourceLineNo">267</span> throw new IllegalArgumentException("HConnection cannot be null.");<a name="line.267"></a> +<span class="sourceLineNo">268</span> }<a name="line.268"></a> +<span class="sourceLineNo">269</span><a name="line.269"></a> +<span class="sourceLineNo">270</span> this.connection = hc;<a name="line.270"></a> +<span class="sourceLineNo">271</span> this.pool = pool;<a name="line.271"></a> +<span class="sourceLineNo">272</span> this.globalErrors = useGlobalErrors ? new BatchErrors() : null;<a name="line.272"></a> +<span class="sourceLineNo">273</span><a name="line.273"></a> +<span class="sourceLineNo">274</span> this.id = COUNTER.incrementAndGet();<a name="line.274"></a> +<span class="sourceLineNo">275</span><a name="line.275"></a> +<span class="sourceLineNo">276</span> this.pause = conf.getLong(HConstants.HBASE_CLIENT_PAUSE,<a name="line.276"></a> +<span class="sourceLineNo">277</span> HConstants.DEFAULT_HBASE_CLIENT_PAUSE);<a name="line.277"></a> +<span class="sourceLineNo">278</span> // how many times we could try in total, one more than retry number<a name="line.278"></a> +<span class="sourceLineNo">279</span> this.numTries = conf.getInt(HConstants.HBASE_CLIENT_RETRIES_NUMBER,<a name="line.279"></a> +<span class="sourceLineNo">280</span> HConstants.DEFAULT_HBASE_CLIENT_RETRIES_NUMBER) + 1;<a name="line.280"></a> +<span class="sourceLineNo">281</span> this.timeout = conf.getInt(HConstants.HBASE_RPC_TIMEOUT_KEY,<a name="line.281"></a> +<span class="sourceLineNo">282</span> HConstants.DEFAULT_HBASE_RPC_TIMEOUT);<a name="line.282"></a> +<span class="sourceLineNo">283</span> this.primaryCallTimeoutMicroseconds = conf.getInt(PRIMARY_CALL_TIMEOUT_KEY, 10000);<a name="line.283"></a> +<span class="sourceLineNo">284</span><a name="line.284"></a> +<span class="sourceLineNo">285</span> this.maxTotalConcurrentTasks = conf.getInt(HConstants.HBASE_CLIENT_MAX_TOTAL_TASKS,<a name="line.285"></a> +<span class="sourceLineNo">286</span> HConstants.DEFAULT_HBASE_CLIENT_MAX_TOTAL_TASKS);<a name="line.286"></a> +<span class="sourceLineNo">287</span> this.maxConcurrentTasksPerServer = conf.getInt(HConstants.HBASE_CLIENT_MAX_PERSERVER_TASKS,<a name="line.287"></a> +<span class="sourceLineNo">288</span> HConstants.DEFAULT_HBASE_CLIENT_MAX_PERSERVER_TASKS);<a name="line.288"></a> +<span class="sourceLineNo">289</span> this.maxConcurrentTasksPerRegion = conf.getInt(HConstants.HBASE_CLIENT_MAX_PERREGION_TASKS,<a name="line.289"></a> +<span class="sourceLineNo">290</span> HConstants.DEFAULT_HBASE_CLIENT_MAX_PERREGION_TASKS);<a name="line.290"></a> +<span class="sourceLineNo">291</span><a name="line.291"></a> +<span class="sourceLineNo">292</span> this.startLogErrorsCnt =<a name="line.292"></a> +<span class="sourceLineNo">293</span> conf.getInt(START_LOG_ERRORS_AFTER_COUNT_KEY, DEFAULT_START_LOG_ERRORS_AFTER_COUNT);<a name="line.293"></a> +<span class="sourceLineNo">294</span><a name="line.294"></a> +<span class="sourceLineNo">295</span> if (this.maxTotalConcurrentTasks <= 0) {<a name="line.295"></a> +<span class="sourceLineNo">296</span> throw new IllegalArgumentException("maxTotalConcurrentTasks=" + maxTotalConcurrentTasks);<a name="line.296"></a> +<span class="sourceLineNo">297</span> }<a name="line.297"></a> +<span class="sourceLineNo">298</span> if (this.maxConcurrentTasksPerServer <= 0) {<a name="line.298"></a> +<span class="sourceLineNo">299</span> throw new IllegalArgumentException("maxConcurrentTasksPerServer=" +<a name="line.299"></a> +<span class="sourceLineNo">300</span> maxConcurrentTasksPerServer);<a name="line.300"></a> +<span class="sourceLineNo">301</span> }<a name="line.301"></a> +<span class="sourceLineNo">302</span> if (this.maxConcurrentTasksPerRegion <= 0) {<a name="line.302"></a> +<span class="sourceLineNo">303</span> throw new IllegalArgumentException("maxConcurrentTasksPerRegion=" +<a name="line.303"></a> +<span class="sourceLineNo">304</span> maxConcurrentTasksPerRegion);<a name="line.304"></a> +<span class="sourceLineNo">305</span> }<a name="line.305"></a> +<span class="sourceLineNo">306</span><a name="line.306"></a> +<span class="sourceLineNo">307</span> // Server tracker allows us to do faster, and yet useful (hopefully), retries.<a name="line.307"></a> +<span class="sourceLineNo">308</span> // However, if we are too useful, we might fail very quickly due to retry count limit.<a name="line.308"></a> +<span class="sourceLineNo">309</span> // To avoid this, we are going to cheat for now (see HBASE-7659), and calculate maximum<a name="line.309"></a> +<span class="sourceLineNo">310</span> // retry time if normal retries were used. Then we will retry until this time runs out.<a name="line.310"></a> +<span class="sourceLineNo">311</span> // If we keep hitting one server, the net effect will be the incremental backoff, and<a name="line.311"></a> +<span class="sourceLineNo">312</span> // essentially the same number of retries as planned. If we have to do faster retries,<a name="line.312"></a> +<span class="sourceLineNo">313</span> // we will do more retries in aggregate, but the user will be none the wiser.<a name="line.313"></a> +<span class="sourceLineNo">314</span> this.serverTrackerTimeout = 0;<a name="line.314"></a> +<span class="sourceLineNo">315</span> for (int i = 0; i < this.numTries; ++i) {<a name="line.315"></a> +<span class="sourceLineNo">316</span> serverTrackerTimeout += ConnectionUtils.getPauseTime(this.pause, i);<a name="line.316"></a> +<span class="sourceLineNo">317</span> }<a name="line.317"></a> +<span class="sourceLineNo">318</span><a name="line.318"></a> +<span class="sourceLineNo">319</span> this.rpcCallerFactory = rpcCaller;<a name="line.319"></a> +<span class="sourceLineNo">320</span> this.rpcFactory = rpcFactory;<a name="line.320"></a> +<span class="sourceLineNo">321</span> }<a name="line.321"></a> +<span class="sourceLineNo">322</span><a name="line.322"></a> +<span class="sourceLineNo">323</span> /**<a name="line.323"></a> +<span class="sourceLineNo">324</span> * @return pool if non null, otherwise returns this.pool if non null, otherwise throws<a name="line.324"></a> +<span class="sourceLineNo">325</span> * RuntimeException<a name="line.325"></a> +<span class="sourceLineNo">326</span> */<a name="line.326"></a> +<span class="sourceLineNo">327</span> private ExecutorService getPool(ExecutorService pool) {<a name="line.327"></a> +<span class="sourceLineNo">328</span> if (pool != null) {<a name="line.328"></a> +<span class="sourceLineNo">329</span> return pool;<a name="line.329"></a> +<span class="sourceLineNo">330</span> }<a name="line.330"></a> +<span class="sourceLineNo">331</span> if (this.pool != null) {<a name="line.331"></a> +<span class="sourceLineNo">332</span> return this.pool;<a name="line.332"></a> +<span class="sourceLineNo">333</span> }<a name="line.333"></a> +<span class="sourceLineNo">334</span> throw new RuntimeException("Neither AsyncProcess nor request have ExecutorService");<a name="line.334"></a> +<span class="sourceLineNo">335</span> }<a name="line.335"></a> +<span class="sourceLineNo">336</span><a name="line.336"></a> +<span class="sourceLineNo">337</span> /**<a name="line.337"></a> +<span class="sourceLineNo">338</span> * See {@link #submit(ExecutorService, TableName, List, boolean, Batch.Callback, boolean)}.<a name="line.338"></a> +<span class="sourceLineNo">339</span> * Uses default ExecutorService for this AP (must have been created with one).<a name="line.339"></a> +<span class="sourceLineNo">340</span> */<a name="line.340"></a> +<span class="sourceLineNo">341</span> public <CResult> AsyncRequestFuture submit(TableName tableName, List<? extends Row> rows,<a name="line.341"></a> +<span class="sourceLineNo">342</span> boolean atLeastOne, Batch.Callback<CResult> callback, boolean needResults)<a name="line.342"></a> +<span class="sourceLineNo">343</span> throws InterruptedIOException {<a name="line.343"></a> +<span class="sourceLineNo">344</span> return submit(null, tableName, rows, atLeastOne, callback, needResults);<a name="line.344"></a> +<span class="sourceLineNo">345</span> }<a name="line.345"></a> +<span class="sourceLineNo">346</span><a name="line.346"></a> +<span class="sourceLineNo">347</span> /**<a name="line.347"></a> +<span class="sourceLineNo">348</span> * Extract from the rows list what we can submit. The rows we can not submit are kept in the<a name="line.348"></a> +<span class="sourceLineNo">349</span> * list. Does not send requests to replicas (not currently used for anything other<a name="line.349"></a> +<span class="sourceLineNo">350</span> * than streaming puts anyway).<a name="line.350"></a> +<span class="sourceLineNo">351</span> *<a name="line.351"></a> +<span class="sourceLineNo">352</span> * @param pool ExecutorService to use.<a name="line.352"></a> +<span class="sourceLineNo">353</span> * @param tableName The table for which this request is needed.<a name="line.353"></a> +<span class="sourceLineNo">354</span> * @param callback Batch callback. Only called on success (94 behavior).<a name="line.354"></a> +<span class="sourceLineNo">355</span> * @param needResults Whether results are needed, or can be discarded.<a name="line.355"></a> +<span class="sourceLineNo">356</span> * @param rows - the submitted row. Modified by the method: we remove the rows we took.<a name="line.356"></a> +<span class="sourceLineNo">357</span> * @param atLeastOne true if we should submit at least a subset.<a name="line.357"></a> +<span class="sourceLineNo">358</span> */<a name="line.358"></a> +<span class="sourceLineNo">359</span> public <CResult> AsyncRequestFuture submit(ExecutorService pool, TableName tableName,<a name="line.359"></a> +<span class="sourceLineNo">360</span> List<? extends Row> rows, boolean atLeastOne, Batch.Callback<CResult> callback,<a name="line.360"></a> +<span class="sourceLineNo">361</span> boolean needResults) throws InterruptedIOException {<a name="line.361"></a> +<span class="sourceLineNo">362</span> if (rows.isEmpty()) {<a name="line.362"></a> +<span class="sourceLineNo">363</span> return NO_REQS_RESULT;<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> Map<ServerName, MultiAction<Row>> actionsByServer =<a name="line.366"></a> +<span class="sourceLineNo">367</span> new HashMap<ServerName, MultiAction<Row>>();<a name="line.367"></a> +<span class="sourceLineNo">368</span> List<Action<Row>> retainedActions = new ArrayList<Action<Row>>(rows.size());<a name="line.368"></a> +<span class="sourceLineNo">369</span><a name="line.369"></a> +<span class="sourceLineNo">370</span> NonceGenerator ng = this.connection.getNonceGenerator();<a name="line.370"></a> +<span class="sourceLineNo">371</span> long nonceGroup = ng.getNonceGroup(); // Currently, nonce group is per entire client.<a name="line.371"></a> +<span class="sourceLineNo">372</span><a name="line.372"></a> +<span class="sourceLineNo">373</span> // Location errors that happen before we decide what requests to take.<a name="line.373"></a> +<span class="sourceLineNo">374</span> List<Exception> locationErrors = null;<a name="line.374"></a> +<span class="sourceLineNo">375</span> List<Integer> locationErrorRows = null;<a name="line.375"></a> +<span class="sourceLineNo">376</span> do {<a name="line.376"></a> +<span class="sourceLineNo">377</span> // Wait until there is at least one slot for a new task.<a name="line.377"></a> +<span class="sourceLineNo">378</span> waitForMaximumCurrentTasks(maxTotalConcurrentTasks - 1);<a name="line.378"></a> +<span class="sourceLineNo">379</span><a name="line.379"></a> +<span class="sourceLineNo">380</span> // Remember the previous decisions about regions or region servers we put in the<a name="line.380"></a> +<span class="sourceLineNo">381</span> // final multi.<a name="line.381"></a> +<span class="sourceLineNo">382</span> Map<Long, Boolean> regionIncluded = new HashMap<Long, Boolean>();<a name="line.382"></a> +<span class="sourceLineNo">383</span> Map<ServerName, Boolean> serverIncluded = new HashMap<ServerName, Boolean>();<a name="line.383"></a> +<span class="sourceLineNo">384</span><a name="line.384"></a> +<span class="sourceLineNo">385</span> int posInList = -1;<a name="line.385"></a> +<span class="sourceLineNo">386</span> Iterator<? extends Row> it = rows.iterator();<a name="line.386"></a> +<span class="sourceLineNo">387</span> while (it.hasNext()) {<a name="line.387"></a> +<span class="sourceLineNo">388</span> Row r = it.next();<a name="line.388"></a> +<span class="sourceLineNo">389</span> HRegionLocation loc;<a name="line.389"></a> +<span class="sourceLineNo">390</span> try {<a name="line.390"></a> +<span class="sourceLineNo">391</span> if (r == null) {<a name="line.391"></a> +<span class="sourceLineNo">392</span> throw new IllegalArgumentException("#" + id + ", row cannot be null");<a name="line.392"></a> +<span class="sourceLineNo">393</span> }<a name="line.393"></a> +<span class="sourceLineNo">394</span> // Make sure we get 0-s replica.<a name="line.394"></a> +<span class="sourceLineNo">395</span> RegionLocations locs = connection.locateRegion(<a name="line.395"></a> +<span class="sourceLineNo">396</span> tableName, r.getRow(), true, true, RegionReplicaUtil.DEFAULT_REPLICA_ID);<a name="line.396"></a> +<span class="sourceLineNo">397</span> if (locs == null || locs.isEmpty() || locs.getDefaultRegionLocation() == null) {<a name="line.397"></a> +<span class="sourceLineNo">398</span> throw new IOException("#" + id + ", no location found, aborting submit for"<a name="line.398"></a> +<span class="sourceLineNo">399</span> + " tableName=" + tableName + " rowkey=" + Bytes.toStringBinary(r.getRow()));<a name="line.399"></a> +<span class="sourceLineNo">400</span> }<a name="line.400"></a> +<span class="sourceLineNo">401</span> loc = locs.getDefaultRegionLocation();<a name="line.401"></a> +<span class="sourceLineNo">402</span> } catch (IOException ex) {<a name="line.402"></a> +<span class="sourceLineNo">403</span> locationErrors = new ArrayList<Exception>();<a name="line.403"></a> +<span class="sourceLineNo">404</span> locationErrorRows = new ArrayList<Integer>();<a name="line.404"></a> +<span class="sourceLineNo">405</span> LOG.error("Failed to get region location ", ex);<a name="line.405"></a> +<span class="sourceLineNo">406</span> // This action failed before creating ars. Retain it, but do not add to submit list.<a name="line.406"></a> +<span class="sourceLineNo">407</span> // We will then add it to ars in an already-failed state.<a name="line.407"></a> +<span class="sourceLineNo">408</span> retainedActions.add(new Action<Row>(r, ++posInList));<a name="line.408"></a> +<span class="sourceLineNo">409</span> locationErrors.add(ex);<a name="line.409"></a> +<span class="sourceLineNo">410</span> locationErrorRows.add(posInList);<a name="line.410"></a> +<span class="sourceLineNo">411</span> it.remove();<a name="line.411"></a> +<span class="sourceLineNo">412</span> break; // Backward compat: we stop considering actions on location error.<a name="line.412"></a> +<span class="sourceLineNo">413</span> }<a name="line.413"></a> +<span class="sourceLineNo">414</span><a name="line.414"></a> +<span class="sourceLineNo">415</span> if (canTakeOperation(loc, regionIncluded, serverIncluded)) {<a name="line.415"></a> +<span class="sourceLineNo">416</span> Action<Row> action = new Action<Row>(r, ++posInList);<a name="line.416"></a> +<span class="sourceLineNo">417</span> setNonce(ng, r, action);<a name="line.417"></a> +<span class="sourceLineNo">418</span> retainedActions.add(action);<a name="line.418"></a> +<span class="sourceLineNo">419</span> // TODO: replica-get is not supported on this path<a name="line.419"></a> +<span class="sourceLineNo">420</span> byte[] regionName = loc.getRegionInfo().getRegionName();<a name="line.420"></a> +<span class="sourceLineNo">421</span> addAction(loc.getServerName(), regionName, action, actionsByServer, nonceGroup);<a name="line.421"></a> +<span class="sourceLineNo">422</span> it.remove();<a name="line.422"></a> +<span class="sourceLineNo">423</span> }<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> ars.sendMultiAction(actionsByServer, 1, null, false);<a name="line.426"></a> -<span class="sourceLineNo">427</span> return ars;<a name="line.427"></a> -<span class="sourceLineNo">428</span> }<a name="line.428"></a> -<span class="sourceLineNo">429</span><a name="line.429"></a> -<span class="sourceLineNo">430</span> /**<a name="line.430"></a> -<span class="sourceLineNo">431</span> * Helper that is used when grouping the actions per region server.<a name="line.431"></a> -<span class="sourceLineNo">432</span> *<a name="line.432"></a> -<span class="sourceLineNo">433</span> * @param loc - the destination. Must not be null.<a name="line.433"></a> -<span class="sourceLineNo">434</span> * @param action - the action to add to the multiaction<a name="line.434"></a> -<span class="sourceLineNo">435</span> * @param actionsByServer the multiaction per server<a name="line.435"></a> -<span class="sourceLineNo">436</span> * @param nonceGroup Nonce group.<a name="line.436"></a> -<span class="sourceLineNo">437</span> */<a name="line.437"></a> -<span class="sourceLineNo">438</span> private static void addAction(ServerName server, byte[] regionName, Action<Row> action,<a name="line.438"></a> -<span class="sourceLineNo">439</span> Map<ServerName, MultiAction<Row>> actionsByServer, long nonceGroup) {<a name="line.439"></a> -<span class="sourceLineNo">440</span> MultiAction<Row> multiAction = actionsByServer.get(server);<a name="line.440"></a> -<span class="sourceLineNo">441</span> if (multiAction == null) {<a name="line.441"></a> -<span class="sourceLineNo">442</span> multiAction = new MultiAction<Row>();<a name="line.442"></a> -<span class="sourceLineNo">443</span> actionsByServer.put(server, multiAction);<a name="line.443"></a> -<span class="sourceLineNo">444</span> }<a name="line.444"></a> -<span class="sourceLineNo">445</span> if (action.hasNonce() && !multiAction.hasNonceGroup()) {<a name="line.445"></a> -<span class="sourceLineNo">446</span> multiAction.setNonceGroup(nonceGroup);<a name="line.446"></a> -<span class="sourceLineNo">447</span> }<a name="line.447"></a> -<span class="sourceLineNo">448</span><a name="line.448"></a> -<span class="sourceLineNo">449</span> multiAction.add(regionName, action);<a name="line.449"></a> -<span class="sourceLineNo">450</span> }<a name="line.450"></a> -<span class="sourceLineNo">451</span><a name="line.451"></a> -<span class="sourceLineNo">452</span> /**<a name="line.452"></a> -<span class="sourceLineNo">453</span> * Check if we should send new operations to this region or region server.<a name="line.453"></a> -<span class="sourceLineNo">454</span> * We're taking into account the past decision; if we have already accepted<a name="line.454"></a> -<span class="sourceLineNo">455</span> * operation on a given region, we accept all operations for this region.<a name="line.455"></a> -<span class="sourceLineNo">456</span> *<a name="line.456"></a> -<span class="sourceLineNo">457</span> * @param loc; the region and the server name we want to use.<a name="line.457"></a> -<span class="sourceLineNo">458</span> * @return true if this region is considered as busy.<a name="line.458"></a> -<span class="sourceLineNo">459</span> */<a name="line.459"></a> -<span class="sourceLineNo">460</span> protected boolean canTakeOperation(HRegionLocation loc,<a name="line.460"></a> -<span class="sourceLineNo">461</span> Map<Long, Boolean> regionsIncluded,<a name="line.461"></a> -<span class="sourceLineNo">462</span> Map<ServerName, Boolean> serversIncluded) {<a name="line.462"></a> -<span class="sourceLineNo">463</span> long regionId = loc.getRegionInfo().getRegionId();<a name="line.463"></a> -<span class="sourceLineNo">464</span> Boolean regionPrevious = regionsIncluded.get(regionId);<a name="line.464"></a> -<span class="sourceLineNo">465</span><a name="line.465"></a> -<span class="sourceLineNo">466</span> if (regionPrevious != null) {<a name="line.466"></a> -<span class="sourceLineNo">467</span> // We already know what to do with this region.<a name="line.467"></a> -<span class="sourceLineNo">468</span> return regionPrevious;<a name="line.468"></a> -<span class="sourceLineNo">469</span> }<a name="line.469"></a> -<span class="sourceLineNo">470</span><a name="line.470"></a> -<span class="sourceLineNo">471</span> Boolean serverPrevious = serversIncluded.get(loc.getServerName());<a name="line.471"></a> -<span class="sourceLineNo">472</span> if (Boolean.FALSE.equals(serverPrevious)) {<a name="line.472"></a> -<span class="sourceLineNo">473</span> // It's a new region, on a region server that we have already excluded.<a name="line.473"></a> -<span class="sourceLineNo">474</span> regionsIncluded.put(regionId, Boolean.FALSE);<a name="line.474"></a> -<span class="sourceLineNo">475</span> return false;<a name="line.475"></a> -<span class="sourceLineNo">476</span> }<a name="line.476"></a> -<span class="sourceLineNo">477</span><a name="line.477"></a> -<span class="sourceLineNo">478</span> AtomicInteger regionCnt = taskCounterPerRegion.get(loc.getRegionInfo().getRegionName());<a name="line.478"></a> -<span class="sourceLineNo">479</span> if (regionCnt != null && regionCnt.get() >= maxConcurrentTasksPerRegion) {<a name="line.479"></a> -<span class="sourceLineNo">480</span> // Too many tasks on this region already.<a name="line.480"></a> -<span class="sourceLineNo">481</span> regionsIncluded.put(regionId, Boolean.FALSE);<a name="line.481"></a> -<span class="sourceLineNo">482</span> return false;<a name="line.482"></a> -<span class="sourceLineNo">483</span> }<a name="line.483"></a> -<span class="sourceLineNo">484</span><a name="line.484"></a> -<span class="sourceLineNo">485</span> if (serverPrevious == null) {<a name="line.485"></a> -<span class="sourceLineNo">486</span> // The region is ok, but we need to decide for this region server.<a name="line.486"></a> -<span class="sourceLineNo">487</span> int newServers = 0; // number of servers we're going to contact so far<a name="line.487"></a> -<span class="sourceLineNo">488</span> for (Map.Entry<ServerName, Boolean> kv : serversIncluded.entrySet()) {<a name="line.488"></a> -<span class="sourceLineNo">489</span> if (kv.getValue()) {<a name="line.489"></a> -<span class="sourceLineNo">490</span> newServers++;<a name="line.490"></a> -<span class="sourceLineNo">491</span> }<a name="line.491"></a> -<span class="sourceLineNo">492</span> }<a name="line.492"></a> +<span class="sourceLineNo">425</span> } while (retainedActions.isEmpty() && atLeastOne && (locationErrors == null));<a name="line.425"></a> +<span class="sourceLineNo">426</span><a name="line.426"></a> +<span class="sourceLineNo">427</span> if (retainedActions.isEmpty()) return NO_REQS_RESULT;<a name="line.427"></a> +<span class="sourceLineNo">428</span><a name="line.428"></a> +<span class="sourceLineNo">429</span> return submitMultiActions(tableName, retainedActions, nonceGroup, callback, null, needResults,<a name="line.429"></a> +<span class="sourceLineNo">430</span> locationErrors, locationErrorRows, actionsByServer, pool);<a name="line.430"></a> +<span class="sourceLineNo">431</span> }<a name="line.431"></a> +<span class="sourceLineNo">432</span><a name="line.432"></a> +<span class="sourceLineNo">433</span> <CResult> AsyncRequestFuture submitMultiActions(TableName tableName,<a name="line.433"></a> +<span class="sourceLineNo">434</span> List<Action<Row>> retainedActions, long nonceGroup, Batch.Callback<CResult> callback,<a name="line.434"></a> +<span class="sourceLineNo">435</span> Object[] results, boolean needResults, List<Exception> locationErrors,<a name="line.435"></a> +<span class="sourceLineNo">436</span> List<Intege
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