http://git-wip-us.apache.org/repos/asf/hbase-site/blob/39cf5e9b/devapidocs/src-html/org/apache/hadoop/hbase/client/AsyncProcess.AsyncRequestFutureImpl.ReplicaCallIssuingRunnable.html ---------------------------------------------------------------------- diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/client/AsyncProcess.AsyncRequestFutureImpl.ReplicaCallIssuingRunnable.html b/devapidocs/src-html/org/apache/hadoop/hbase/client/AsyncProcess.AsyncRequestFutureImpl.ReplicaCallIssuingRunnable.html index d0040f6..3180076 100644 --- a/devapidocs/src-html/org/apache/hadoop/hbase/client/AsyncProcess.AsyncRequestFutureImpl.ReplicaCallIssuingRunnable.html +++ b/devapidocs/src-html/org/apache/hadoop/hbase/client/AsyncProcess.AsyncRequestFutureImpl.ReplicaCallIssuingRunnable.html @@ -61,1780 +61,1781 @@ <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 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">056</span>import org.apache.hadoop.hbase.exceptions.ClientExceptionsUtil;<a name="line.56"></a> +<span class="sourceLineNo">057</span>import org.apache.hadoop.hbase.ipc.RpcControllerFactory;<a name="line.57"></a> +<span class="sourceLineNo">058</span>import org.apache.hadoop.hbase.util.Bytes;<a name="line.58"></a> +<span class="sourceLineNo">059</span>import org.apache.hadoop.hbase.util.EnvironmentEdgeManager;<a name="line.59"></a> +<span class="sourceLineNo">060</span>import org.apache.htrace.Trace;<a name="line.60"></a> +<span class="sourceLineNo">061</span><a name="line.61"></a> +<span class="sourceLineNo">062</span>import com.google.common.annotations.VisibleForTesting;<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> * This class allows a continuous flow of requests. It's written to be compatible with a<a name="line.65"></a> +<span class="sourceLineNo">066</span> * synchronous caller such as HTable.<a name="line.66"></a> +<span class="sourceLineNo">067</span> * <p><a name="line.67"></a> +<span class="sourceLineNo">068</span> * The caller sends a buffer of operation, by calling submit. This class extract from this list<a name="line.68"></a> +<span class="sourceLineNo">069</span> * the operations it can send, i.e. the operations that are on region that are not considered<a name="line.69"></a> +<span class="sourceLineNo">070</span> * as busy. The process is asynchronous, i.e. it returns immediately when if has finished to<a name="line.70"></a> +<span class="sourceLineNo">071</span> * iterate on the list. If, and only if, the maximum number of current task is reached, the call<a name="line.71"></a> +<span class="sourceLineNo">072</span> * to submit will block. Alternatively, the caller can call submitAll, in which case all the<a name="line.72"></a> +<span class="sourceLineNo">073</span> * operations will be sent. Each call to submit returns a future-like object that can be used<a name="line.73"></a> +<span class="sourceLineNo">074</span> * to track operation progress.<a name="line.74"></a> +<span class="sourceLineNo">075</span> * </p><a name="line.75"></a> +<span class="sourceLineNo">076</span> * <p><a name="line.76"></a> +<span class="sourceLineNo">077</span> * The class manages internally the retries.<a name="line.77"></a> +<span class="sourceLineNo">078</span> * </p><a name="line.78"></a> +<span class="sourceLineNo">079</span> * <p><a name="line.79"></a> +<span class="sourceLineNo">080</span> * The class can be constructed in regular mode, or "global error" mode. In global error mode,<a name="line.80"></a> +<span class="sourceLineNo">081</span> * AP tracks errors across all calls (each "future" also has global view of all errors). That<a name="line.81"></a> +<span class="sourceLineNo">082</span> * mode is necessary for backward compat with HTable behavior, where multiple submissions are<a name="line.82"></a> +<span class="sourceLineNo">083</span> * made and the errors can propagate using any put/flush call, from previous calls.<a name="line.83"></a> +<span class="sourceLineNo">084</span> * In "regular" mode, the errors are tracked inside the Future object that is returned.<a name="line.84"></a> +<span class="sourceLineNo">085</span> * The results are always tracked inside the Future object and can be retrieved when the call<a name="line.85"></a> +<span class="sourceLineNo">086</span> * has finished. Partial results can also be retrieved if some part of multi-request failed.<a name="line.86"></a> +<span class="sourceLineNo">087</span> * </p><a name="line.87"></a> +<span class="sourceLineNo">088</span> * <p><a name="line.88"></a> +<span class="sourceLineNo">089</span> * This class is thread safe in regular mode; in global error code, submitting operations and<a name="line.89"></a> +<span class="sourceLineNo">090</span> * retrieving errors from different threads may be not thread safe.<a name="line.90"></a> +<span class="sourceLineNo">091</span> * Internally, the class is thread safe enough to manage simultaneously new submission and results<a name="line.91"></a> +<span class="sourceLineNo">092</span> * arising from older operations.<a name="line.92"></a> +<span class="sourceLineNo">093</span> * </p><a name="line.93"></a> +<span class="sourceLineNo">094</span> * <p><a name="line.94"></a> +<span class="sourceLineNo">095</span> * Internally, this class works with {@link Row}, this mean it could be theoretically used for<a name="line.95"></a> +<span class="sourceLineNo">096</span> * gets as well.<a name="line.96"></a> +<span class="sourceLineNo">097</span> * </p><a name="line.97"></a> +<span class="sourceLineNo">098</span> */<a name="line.98"></a> +<span class="sourceLineNo">099</span>@InterfaceAudience.Private<a name="line.99"></a> +<span class="sourceLineNo">100</span>class AsyncProcess {<a name="line.100"></a> +<span class="sourceLineNo">101</span> private static final Log LOG = LogFactory.getLog(AsyncProcess.class);<a name="line.101"></a> +<span class="sourceLineNo">102</span> protected static final AtomicLong COUNTER = new AtomicLong();<a name="line.102"></a> +<span class="sourceLineNo">103</span><a name="line.103"></a> +<span class="sourceLineNo">104</span> public static final String PRIMARY_CALL_TIMEOUT_KEY = "hbase.client.primaryCallTimeout.multiget";<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> * Configure the number of failures after which the client will start logging. A few failures<a name="line.107"></a> +<span class="sourceLineNo">108</span> * is fine: region moved, then is not opened, then is overloaded. We try to have an acceptable<a name="line.108"></a> +<span class="sourceLineNo">109</span> * heuristic for the number of errors we don't log. 9 was chosen because we wait for 1s at<a name="line.109"></a> +<span class="sourceLineNo">110</span> * this stage.<a name="line.110"></a> +<span class="sourceLineNo">111</span> */<a name="line.111"></a> +<span class="sourceLineNo">112</span> public static final String START_LOG_ERRORS_AFTER_COUNT_KEY =<a name="line.112"></a> +<span class="sourceLineNo">113</span> "hbase.client.start.log.errors.counter";<a name="line.113"></a> +<span class="sourceLineNo">114</span> public static final int DEFAULT_START_LOG_ERRORS_AFTER_COUNT = 9;<a name="line.114"></a> +<span class="sourceLineNo">115</span><a name="line.115"></a> +<span class="sourceLineNo">116</span> /**<a name="line.116"></a> +<span class="sourceLineNo">117</span> * The context used to wait for results from one submit call.<a name="line.117"></a> +<span class="sourceLineNo">118</span> * 1) If AsyncProcess is set to track errors globally, and not per call (for HTable puts),<a name="line.118"></a> +<span class="sourceLineNo">119</span> * then errors and failed operations in this object will reflect global errors.<a name="line.119"></a> +<span class="sourceLineNo">120</span> * 2) If submit call is made with needResults false, results will not be saved.<a name="line.120"></a> +<span class="sourceLineNo">121</span> * */<a name="line.121"></a> +<span class="sourceLineNo">122</span> public static interface AsyncRequestFuture {<a name="line.122"></a> +<span class="sourceLineNo">123</span> public boolean hasError();<a name="line.123"></a> +<span class="sourceLineNo">124</span> public RetriesExhaustedWithDetailsException getErrors();<a name="line.124"></a> +<span class="sourceLineNo">125</span> public List<? extends Row> getFailedOperations();<a name="line.125"></a> +<span class="sourceLineNo">126</span> public Object[] getResults() throws InterruptedIOException;<a name="line.126"></a> +<span class="sourceLineNo">127</span> /** Wait until all tasks are executed, successfully or not. */<a name="line.127"></a> +<span class="sourceLineNo">128</span> public void waitUntilDone() throws InterruptedIOException;<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> /**<a name="line.131"></a> +<span class="sourceLineNo">132</span> * Return value from a submit that didn't contain any requests.<a name="line.132"></a> +<span class="sourceLineNo">133</span> */<a name="line.133"></a> +<span class="sourceLineNo">134</span> private static final AsyncRequestFuture NO_REQS_RESULT = new AsyncRequestFuture() {<a name="line.134"></a> +<span class="sourceLineNo">135</span> final Object[] result = new Object[0];<a name="line.135"></a> +<span class="sourceLineNo">136</span><a name="line.136"></a> +<span class="sourceLineNo">137</span> @Override<a name="line.137"></a> +<span class="sourceLineNo">138</span> public boolean hasError() {<a name="line.138"></a> +<span class="sourceLineNo">139</span> return false;<a name="line.139"></a> +<span class="sourceLineNo">140</span> }<a name="line.140"></a> +<span class="sourceLineNo">141</span><a name="line.141"></a> +<span class="sourceLineNo">142</span> @Override<a name="line.142"></a> +<span class="sourceLineNo">143</span> public RetriesExhaustedWithDetailsException getErrors() {<a name="line.143"></a> +<span class="sourceLineNo">144</span> return null;<a name="line.144"></a> +<span class="sourceLineNo">145</span> }<a name="line.145"></a> +<span class="sourceLineNo">146</span><a name="line.146"></a> +<span class="sourceLineNo">147</span> @Override<a name="line.147"></a> +<span class="sourceLineNo">148</span> public List<? extends Row> getFailedOperations() {<a name="line.148"></a> +<span class="sourceLineNo">149</span> return null;<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> @Override<a name="line.152"></a> +<span class="sourceLineNo">153</span> public Object[] getResults() {<a name="line.153"></a> +<span class="sourceLineNo">154</span> return result;<a name="line.154"></a> +<span class="sourceLineNo">155</span> }<a name="line.155"></a> +<span class="sourceLineNo">156</span><a name="line.156"></a> +<span class="sourceLineNo">157</span> @Override<a name="line.157"></a> +<span class="sourceLineNo">158</span> public void waitUntilDone() throws InterruptedIOException {<a name="line.158"></a> +<span class="sourceLineNo">159</span> }<a name="line.159"></a> +<span class="sourceLineNo">160</span> };<a name="line.160"></a> +<span class="sourceLineNo">161</span><a name="line.161"></a> +<span class="sourceLineNo">162</span> /** Sync point for calls to multiple replicas for the same user request (Get).<a name="line.162"></a> +<span class="sourceLineNo">163</span> * Created and put in the results array (we assume replica calls require results) when<a name="line.163"></a> +<span class="sourceLineNo">164</span> * the replica calls are launched. See results for details of this process.<a name="line.164"></a> +<span class="sourceLineNo">165</span> * POJO, all fields are public. To modify them, the object itself is locked. */<a name="line.165"></a> +<span class="sourceLineNo">166</span> private static class ReplicaResultState {<a name="line.166"></a> +<span class="sourceLineNo">167</span> public ReplicaResultState(int callCount) {<a name="line.167"></a> +<span class="sourceLineNo">168</span> this.callCount = callCount;<a name="line.168"></a> +<span class="sourceLineNo">169</span> }<a name="line.169"></a> +<span class="sourceLineNo">170</span><a name="line.170"></a> +<span class="sourceLineNo">171</span> /** Number of calls outstanding, or 0 if a call succeeded (even with others outstanding). */<a name="line.171"></a> +<span class="sourceLineNo">172</span> int callCount;<a name="line.172"></a> +<span class="sourceLineNo">173</span> /** Errors for which it is not decided whether we will report them to user. If one of the<a name="line.173"></a> +<span class="sourceLineNo">174</span> * calls succeeds, we will discard the errors that may have happened in the other calls. */<a name="line.174"></a> +<span class="sourceLineNo">175</span> BatchErrors replicaErrors = null;<a name="line.175"></a> +<span class="sourceLineNo">176</span><a name="line.176"></a> +<span class="sourceLineNo">177</span> @Override<a name="line.177"></a> +<span class="sourceLineNo">178</span> public String toString() {<a name="line.178"></a> +<span class="sourceLineNo">179</span> return "[call count " + callCount + "; errors " + replicaErrors + "]";<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. 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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. 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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. 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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. 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// Done within primary timeout<a name="line.629"></a> -<span class="sourceLineNo">630</span> Map<ServerName, MultiAction<Row>> actionsByServer =<a name="line.630"></a> -<span class="sourceLineNo">631</span> new HashMap<ServerName, MultiAction<Row>>();<a name="line.631"></a> -<span class="sourceLineNo">632</span> List<Action<Row>> unknownLocActions = new ArrayList<Action<Row>>();<a name="line.632"></a> -<span class="sourceLineNo">633</span> if (replicaGetIndices == null) {<a name="line.633"></a> -<span class="sourceLineNo">634</span> for (int i = 0; i < results.length; ++i) {<a name="line.634"></a> -<span class="sourceLineNo">635</span> addReplicaActions(i, actionsByServer, unknownLocActions);<a name="line.635"></a> -<span class="sourceLineNo">636</span> }<a name="line.636"></a> -<span class="sourceLineNo">637</span> } else {<a name="line.637"></a> -<span class="sourceLineNo">638</span> for (int replicaGetIndice : replicaGetIndices) {<a name="line.638"></a> -<span class="sourceLineNo">639</span> addReplicaActions(replicaGetIndice, actionsByServer, unknownLocActions);<a name="line.639"></a> -<span class="sourceLineNo">640</span> }<a name="line.640"></a> -<span class="sourceLineNo">641</span> }<a name="line.641"></a> -<span class="sourceLineNo">642</span> if (!actionsByServer.isEmpty()) {<a name="line.642"></a> -<span class="sourceLineNo">643</span> sendMultiAction(actionsByServer, 1, null, unknownLocActions.isEmpty());<a name="line.643"></a> -<span class="sourceLineNo">644</span> }<a name="line.644"></a> -<span class="sourceLineNo">645</span> if (!unknownLocActions.isEmpty()) {<a name="line.645"></a> -<span class="sourceLineNo">646</span> actionsByServer = new HashMap<ServerName, MultiAction<Row>>();<a name="line.646"></a> -<span class="sourceLineNo">647</span> for (Action<Row> action : unknownLocActions) {<a name="line.647"></a> -<span class="sourceLineNo">648</span> addReplicaActionsAgain(action, actionsByServer);<a name="line.648"></a> -<span class="sourceLineNo">649</span> }<a name="line.649"></a> -<span class="sourceLineNo">650</span> // Some actions may have completely failed, they are handled inside addAgain.<a name="line.650"></a> -<span class="sourceLineNo">651</span> if (!actionsByServer.isEmpty()) {<a name="line.651"></a> -<span class="sourceLineNo">652</span> sendMultiAction(actionsByServer, 1, null, true);<a name="line.652"></a> -<span class="sourceLineNo">653</span> }<a name="line.653"></a> -<span class="sourceLineNo">654</span> }<a name="line.654"></a> -<span class="sourceLineNo">655</span> }<a name="line.655"></a> -<span class="sourceLineNo">656</span><a name="line.656"></a> -<span class="sourceLineNo">657</span> /**<a name="line.657"></a> -<span class="sourceLineNo">658</span> * Add replica actions to action map by server.<a name="line.658"></a> -<span class="sourceLineNo">659</span> * @param index Index of the original action.<a name="line.659"></a> -<span class="sourceLineNo">660</span> * @param actionsByServer The map by server to add it to.<a name="line.660"></a> -<span class="sourceLineNo">661</span> */<a name="line.661"></a> -<span class="sourceLineNo">662</span> private void addReplicaActions(int index, Map<ServerName, MultiAction<Row>> actionsByServer,<a name="line.662"></a> -<span class="sourceLineNo">663</span> List<Action<Row>> unknownReplicaActions) {<a name="line.663"></a> -<span class="sourceLineNo">664</span> if (results[index] != null) return; // opportunistic. Never goes from non-null to null.<a name="line.664"></a> -<span class="sourceLineNo">665</span> Action<Row> action = initialActions.get(index);<a name="line.665"></a> -<span class="sourceLineNo">666</span> RegionLocations loc = findAllLocationsOrFail(action, true);<a name="line.666"></a> -<span class="sourceLineNo">667</span> if (loc == null) return;<a name="line.667"></a> -<span class="sourceLineNo">668</span> HRegionLocation[] locs = loc.getRegionLocations();<a name="line.668"></a> -<span class="sourceLineNo">669</span> if (locs.length == 1) {<a name="line.669"></a> -<span class="sourceLineNo">670</span> LOG.warn("No replicas found for " + action.getAction());<a name="line.670"></a> -<span class="sourceLineNo">671</span> return;<a name="line.671"></a> -<span class="sourceLineNo">672</span> }<a name="line.672"></a> -<span class="sourceLineNo">673</span> synchronized (replicaResultLock) {<a name="line.673"></a> -<span class="sourceLineNo">674</span> // Don't run replica calls if the original has finished. 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It may be an error coming from the communication<a name="line.741"></a> -<span class="sourceLineNo">742</span> // layer, but, as well, a functional error raised by the server.<a name="line.742"></a> -<span class="sourceLineNo">743</span> receiveGlobalFailure(multiAction, server, numAttempt, e);<a name="line.743"></a> -<span class="sourceLineNo">744</span> return;<a name="line.744"></a> -<span class="sourceLineNo">745</span> } catch (Throwable t) {<a name="line.745"></a> -<span class="sourceLineNo">746</span> // This should not happen. Let's log & retry anyway.<a name="line.746"></a> -<span class="sourceLineNo">747</span> LOG.error("#" + id + ", Caught throwable while calling. This is unexpected." +<a name="line.747"></a> -<span class="sourceLineNo">748</span> " Retrying. Server is " + server + ", tableName=" + tableName, t);<a name="line.748"></a> -<span class="sourceLineNo">749</span> receiveGlobalFailure(multiAction, server, numAttempt, t);<a name="line.749"></a> -<span class="sourceLineNo">750</span> return;<a name="line.750"></a> -<span class="sourceLineNo">751</span> }<a name="line.751"></a> -<span class="sourceLineNo">752</span><a name="line.752"></a> -<span class="sourceLineNo">753</span> // Normal case: we received an answer from the server, and it's not an exception.<a name="line.753"></a> -<span class="sourceLineNo">754</span> receiveMultiAction(multiAction, server, res, numAttempt);<a name="line.754"></a> -<span class="sourceLineNo">755</span> } catch (Throwable t) {<a name="line.755"></a> -<span class="sourceLineNo">756</span> // Something really bad happened. We are on the send thread that will now die.<a name="line.756"></a> -<span class="sourceLineNo">757</span> LOG.error("Internal AsyncProcess #" + id + " error for "<a name="line.757"></a> -<span class="sourceLineNo">758</span> + tableName + " processing for " + server, t);<a name="line.758"></a> -<span class="sourceLineNo">759</span> throw new RuntimeException(t);<a name="line.759"></a> -<span class="sourceLineNo">760</span> } finally {<a name="line.760"></a> -<span class="sourceLineNo">761</span> decTaskCounters(multiAction.getRegions(), server);<a name="line.761"></a> -<span class="sourceLineNo">762</span> if (callsInProgress != null && callable != null) {<a name="line.762"></a> -<span class="sourceLineNo">763</span> callsInProgress.remove(callable);<a name="line.763"></a> -<span class="sourceLineNo">764</span> }<a name="line.764"></a> -<span class="sourceLineNo">765</span> }<a name="line.765"></a> -<span class="sourceLineNo">766</span> }<a name="line.766"></a> -<span class="sourceLineNo">767</span> }<a name="line.767"></a> -<span class="sourceLineNo">768</span><a name="line.768"></a> -<span class="sourceLineNo">769</span> private final Batch.Callback<CResult> callback;<a name="line.769"></a> -<span class="sourceLineNo">770</span> private final BatchErrors errors;<a name="line.770"></a> -<span class="sourceLineNo">771</span> private final ConnectionImplementation.ServerErrorTracker errorsByServer;<a name="line.771"></a> -<span class="sourceLineNo">772</span> private final ExecutorService pool;<a name="line.772"></a> -<span class="sourceLineNo">773</span> private final Set<MultiServerCallable<Row>> callsInProgress;<a name="line.773"></a> -<s
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