http://git-wip-us.apache.org/repos/asf/hbase-site/blob/83bf6175/apidocs/src-html/org/apache/hadoop/hbase/client/BufferedMutator.ExceptionListener.html ---------------------------------------------------------------------- diff --git a/apidocs/src-html/org/apache/hadoop/hbase/client/BufferedMutator.ExceptionListener.html b/apidocs/src-html/org/apache/hadoop/hbase/client/BufferedMutator.ExceptionListener.html index b21bf57..de73f47 100644 --- a/apidocs/src-html/org/apache/hadoop/hbase/client/BufferedMutator.ExceptionListener.html +++ b/apidocs/src-html/org/apache/hadoop/hbase/client/BufferedMutator.ExceptionListener.html @@ -26,129 +26,184 @@ <span class="sourceLineNo">018</span> */<a name="line.18"></a> <span class="sourceLineNo">019</span>package org.apache.hadoop.hbase.client;<a name="line.19"></a> <span class="sourceLineNo">020</span><a name="line.20"></a> -<span class="sourceLineNo">021</span>import org.apache.hadoop.conf.Configuration;<a name="line.21"></a> -<span class="sourceLineNo">022</span>import org.apache.hadoop.hbase.TableName;<a name="line.22"></a> -<span class="sourceLineNo">023</span>import org.apache.yetus.audience.InterfaceAudience;<a name="line.23"></a> -<span class="sourceLineNo">024</span><a name="line.24"></a> -<span class="sourceLineNo">025</span>import java.io.Closeable;<a name="line.25"></a> -<span class="sourceLineNo">026</span>import java.io.IOException;<a name="line.26"></a> -<span class="sourceLineNo">027</span>import java.util.List;<a name="line.27"></a> -<span class="sourceLineNo">028</span><a name="line.28"></a> -<span class="sourceLineNo">029</span>/**<a name="line.29"></a> -<span class="sourceLineNo">030</span> * <p>Used to communicate with a single HBase table similar to {@link Table} but meant for<a name="line.30"></a> -<span class="sourceLineNo">031</span> * batched, asynchronous puts. Obtain an instance from a {@link Connection} and call<a name="line.31"></a> -<span class="sourceLineNo">032</span> * {@link #close()} afterwards. Customizations can be applied to the {@code BufferedMutator} via<a name="line.32"></a> -<span class="sourceLineNo">033</span> * the {@link BufferedMutatorParams}.<a name="line.33"></a> -<span class="sourceLineNo">034</span> * </p><a name="line.34"></a> -<span class="sourceLineNo">035</span> *<a name="line.35"></a> -<span class="sourceLineNo">036</span> * <p>Exception handling with asynchronously via the {@link BufferedMutator.ExceptionListener}.<a name="line.36"></a> -<span class="sourceLineNo">037</span> * The default implementation is to throw the exception upon receipt. This behavior can be<a name="line.37"></a> -<span class="sourceLineNo">038</span> * overridden with a custom implementation, provided as a parameter with<a name="line.38"></a> -<span class="sourceLineNo">039</span> * {@link BufferedMutatorParams#listener(BufferedMutator.ExceptionListener)}.</p><a name="line.39"></a> -<span class="sourceLineNo">040</span> *<a name="line.40"></a> -<span class="sourceLineNo">041</span> * <p>Map/Reduce jobs are good use cases for using {@code BufferedMutator}. Map/reduce jobs<a name="line.41"></a> -<span class="sourceLineNo">042</span> * benefit from batching, but have no natural flush point. {@code BufferedMutator} receives the<a name="line.42"></a> -<span class="sourceLineNo">043</span> * puts from the M/R job and will batch puts based on some heuristic, such as the accumulated size<a name="line.43"></a> -<span class="sourceLineNo">044</span> * of the puts, and submit batches of puts asynchronously so that the M/R logic can continue<a name="line.44"></a> -<span class="sourceLineNo">045</span> * without interruption.<a name="line.45"></a> -<span class="sourceLineNo">046</span> * </p><a name="line.46"></a> -<span class="sourceLineNo">047</span> *<a name="line.47"></a> -<span class="sourceLineNo">048</span> * <p>{@code BufferedMutator} can also be used on more exotic circumstances. Map/Reduce batch jobs<a name="line.48"></a> -<span class="sourceLineNo">049</span> * will have a single {@code BufferedMutator} per thread. A single {@code BufferedMutator} can<a name="line.49"></a> -<span class="sourceLineNo">050</span> * also be effectively used in high volume online systems to batch puts, with the caveat that<a name="line.50"></a> -<span class="sourceLineNo">051</span> * extreme circumstances, such as JVM or machine failure, may cause some data loss.</p><a name="line.51"></a> -<span class="sourceLineNo">052</span> *<a name="line.52"></a> -<span class="sourceLineNo">053</span> * <p>NOTE: This class replaces the functionality that used to be available via<a name="line.53"></a> -<span class="sourceLineNo">054</span> * HTable#setAutoFlush(boolean) set to {@code false}.<a name="line.54"></a> -<span class="sourceLineNo">055</span> * </p><a name="line.55"></a> -<span class="sourceLineNo">056</span> *<a name="line.56"></a> -<span class="sourceLineNo">057</span> * <p>See also the {@code BufferedMutatorExample} in the hbase-examples module.</p><a name="line.57"></a> -<span class="sourceLineNo">058</span> * @see ConnectionFactory<a name="line.58"></a> -<span class="sourceLineNo">059</span> * @see Connection<a name="line.59"></a> -<span class="sourceLineNo">060</span> * @since 1.0.0<a name="line.60"></a> -<span class="sourceLineNo">061</span> */<a name="line.61"></a> -<span class="sourceLineNo">062</span>@InterfaceAudience.Public<a name="line.62"></a> -<span class="sourceLineNo">063</span>public interface BufferedMutator extends Closeable {<a name="line.63"></a> -<span class="sourceLineNo">064</span> /**<a name="line.64"></a> -<span class="sourceLineNo">065</span> * Key to use setting non-default BufferedMutator implementation in Configuration.<a name="line.65"></a> -<span class="sourceLineNo">066</span> */<a name="line.66"></a> -<span class="sourceLineNo">067</span> public static final String CLASSNAME_KEY = "hbase.client.bufferedmutator.classname";<a name="line.67"></a> -<span class="sourceLineNo">068</span><a name="line.68"></a> -<span class="sourceLineNo">069</span> /**<a name="line.69"></a> -<span class="sourceLineNo">070</span> * Gets the fully qualified table name instance of the table that this BufferedMutator writes to.<a name="line.70"></a> +<span class="sourceLineNo">021</span>import java.io.Closeable;<a name="line.21"></a> +<span class="sourceLineNo">022</span>import java.io.IOException;<a name="line.22"></a> +<span class="sourceLineNo">023</span>import java.util.List;<a name="line.23"></a> +<span class="sourceLineNo">024</span>import org.apache.hadoop.conf.Configuration;<a name="line.24"></a> +<span class="sourceLineNo">025</span>import org.apache.hadoop.hbase.TableName;<a name="line.25"></a> +<span class="sourceLineNo">026</span>import org.apache.yetus.audience.InterfaceAudience;<a name="line.26"></a> +<span class="sourceLineNo">027</span><a name="line.27"></a> +<span class="sourceLineNo">028</span>/**<a name="line.28"></a> +<span class="sourceLineNo">029</span> * <p>Used to communicate with a single HBase table similar to {@link Table} but meant for<a name="line.29"></a> +<span class="sourceLineNo">030</span> * batched, asynchronous puts. Obtain an instance from a {@link Connection} and call<a name="line.30"></a> +<span class="sourceLineNo">031</span> * {@link #close()} afterwards. Customizations can be applied to the {@code BufferedMutator} via<a name="line.31"></a> +<span class="sourceLineNo">032</span> * the {@link BufferedMutatorParams}.<a name="line.32"></a> +<span class="sourceLineNo">033</span> * </p><a name="line.33"></a> +<span class="sourceLineNo">034</span> *<a name="line.34"></a> +<span class="sourceLineNo">035</span> * <p>Exception handling with asynchronously via the {@link BufferedMutator.ExceptionListener}.<a name="line.35"></a> +<span class="sourceLineNo">036</span> * The default implementation is to throw the exception upon receipt. This behavior can be<a name="line.36"></a> +<span class="sourceLineNo">037</span> * overridden with a custom implementation, provided as a parameter with<a name="line.37"></a> +<span class="sourceLineNo">038</span> * {@link BufferedMutatorParams#listener(BufferedMutator.ExceptionListener)}.</p><a name="line.38"></a> +<span class="sourceLineNo">039</span> *<a name="line.39"></a> +<span class="sourceLineNo">040</span> * <p>Map/Reduce jobs are good use cases for using {@code BufferedMutator}. Map/reduce jobs<a name="line.40"></a> +<span class="sourceLineNo">041</span> * benefit from batching, but have no natural flush point. {@code BufferedMutator} receives the<a name="line.41"></a> +<span class="sourceLineNo">042</span> * puts from the M/R job and will batch puts based on some heuristic, such as the accumulated size<a name="line.42"></a> +<span class="sourceLineNo">043</span> * of the puts, and submit batches of puts asynchronously so that the M/R logic can continue<a name="line.43"></a> +<span class="sourceLineNo">044</span> * without interruption.<a name="line.44"></a> +<span class="sourceLineNo">045</span> * </p><a name="line.45"></a> +<span class="sourceLineNo">046</span> *<a name="line.46"></a> +<span class="sourceLineNo">047</span> * <p>{@code BufferedMutator} can also be used on more exotic circumstances. Map/Reduce batch jobs<a name="line.47"></a> +<span class="sourceLineNo">048</span> * will have a single {@code BufferedMutator} per thread. A single {@code BufferedMutator} can<a name="line.48"></a> +<span class="sourceLineNo">049</span> * also be effectively used in high volume online systems to batch puts, with the caveat that<a name="line.49"></a> +<span class="sourceLineNo">050</span> * extreme circumstances, such as JVM or machine failure, may cause some data loss.</p><a name="line.50"></a> +<span class="sourceLineNo">051</span> *<a name="line.51"></a> +<span class="sourceLineNo">052</span> * <p>NOTE: This class replaces the functionality that used to be available via<a name="line.52"></a> +<span class="sourceLineNo">053</span> * HTable#setAutoFlush(boolean) set to {@code false}.<a name="line.53"></a> +<span class="sourceLineNo">054</span> * </p><a name="line.54"></a> +<span class="sourceLineNo">055</span> *<a name="line.55"></a> +<span class="sourceLineNo">056</span> * <p>See also the {@code BufferedMutatorExample} in the hbase-examples module.</p><a name="line.56"></a> +<span class="sourceLineNo">057</span> * @see ConnectionFactory<a name="line.57"></a> +<span class="sourceLineNo">058</span> * @see Connection<a name="line.58"></a> +<span class="sourceLineNo">059</span> * @since 1.0.0<a name="line.59"></a> +<span class="sourceLineNo">060</span> */<a name="line.60"></a> +<span class="sourceLineNo">061</span>@InterfaceAudience.Public<a name="line.61"></a> +<span class="sourceLineNo">062</span>public interface BufferedMutator extends Closeable {<a name="line.62"></a> +<span class="sourceLineNo">063</span> /**<a name="line.63"></a> +<span class="sourceLineNo">064</span> * Key to use setting non-default BufferedMutator implementation in Configuration.<a name="line.64"></a> +<span class="sourceLineNo">065</span> */<a name="line.65"></a> +<span class="sourceLineNo">066</span> String CLASSNAME_KEY = "hbase.client.bufferedmutator.classname";<a name="line.66"></a> +<span class="sourceLineNo">067</span><a name="line.67"></a> +<span class="sourceLineNo">068</span> /**<a name="line.68"></a> +<span class="sourceLineNo">069</span> * Having the timer tick run more often that once every 100ms is needless and will<a name="line.69"></a> +<span class="sourceLineNo">070</span> * probably cause too many timer events firing having a negative impact on performance.<a name="line.70"></a> <span class="sourceLineNo">071</span> */<a name="line.71"></a> -<span class="sourceLineNo">072</span> TableName getName();<a name="line.72"></a> +<span class="sourceLineNo">072</span> long MIN_WRITE_BUFFER_PERIODIC_FLUSH_TIMERTICK_MS = 100;<a name="line.72"></a> <span class="sourceLineNo">073</span><a name="line.73"></a> <span class="sourceLineNo">074</span> /**<a name="line.74"></a> -<span class="sourceLineNo">075</span> * Returns the {@link org.apache.hadoop.conf.Configuration} object used by this instance.<a name="line.75"></a> -<span class="sourceLineNo">076</span> * <p><a name="line.76"></a> -<span class="sourceLineNo">077</span> * The reference returned is not a copy, so any change made to it will<a name="line.77"></a> -<span class="sourceLineNo">078</span> * affect this instance.<a name="line.78"></a> -<span class="sourceLineNo">079</span> */<a name="line.79"></a> -<span class="sourceLineNo">080</span> Configuration getConfiguration();<a name="line.80"></a> -<span class="sourceLineNo">081</span><a name="line.81"></a> -<span class="sourceLineNo">082</span> /**<a name="line.82"></a> -<span class="sourceLineNo">083</span> * Sends a {@link Mutation} to the table. The mutations will be buffered and sent over the<a name="line.83"></a> -<span class="sourceLineNo">084</span> * wire as part of a batch. Currently only supports {@link Put} and {@link Delete} mutations.<a name="line.84"></a> -<span class="sourceLineNo">085</span> *<a name="line.85"></a> -<span class="sourceLineNo">086</span> * @param mutation The data to send.<a name="line.86"></a> -<span class="sourceLineNo">087</span> * @throws IOException if a remote or network exception occurs.<a name="line.87"></a> -<span class="sourceLineNo">088</span> */<a name="line.88"></a> -<span class="sourceLineNo">089</span> void mutate(Mutation mutation) throws IOException;<a name="line.89"></a> -<span class="sourceLineNo">090</span><a name="line.90"></a> -<span class="sourceLineNo">091</span> /**<a name="line.91"></a> -<span class="sourceLineNo">092</span> * Send some {@link Mutation}s to the table. The mutations will be buffered and sent over the<a name="line.92"></a> -<span class="sourceLineNo">093</span> * wire as part of a batch. 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*/<a name="line.114"></a> -<span class="sourceLineNo">115</span> void flush() throws IOException;<a name="line.115"></a> -<span class="sourceLineNo">116</span><a name="line.116"></a> -<span class="sourceLineNo">117</span> /**<a name="line.117"></a> -<span class="sourceLineNo">118</span> * Returns the maximum size in bytes of the write buffer for this HTable.<a name="line.118"></a> -<span class="sourceLineNo">119</span> * <p><a name="line.119"></a> -<span class="sourceLineNo">120</span> * The default value comes from the configuration parameter {@code hbase.client.write.buffer}.<a name="line.120"></a> -<span class="sourceLineNo">121</span> * @return The size of the write buffer in bytes.<a name="line.121"></a> -<span class="sourceLineNo">122</span> */<a name="line.122"></a> -<span class="sourceLineNo">123</span> long getWriteBufferSize();<a name="line.123"></a> -<span class="sourceLineNo">124</span><a name="line.124"></a> -<span class="sourceLineNo">125</span> /**<a name="line.125"></a> 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Set to 0 to disable.<a name="line.125"></a> +<span class="sourceLineNo">126</span> */<a name="line.126"></a> +<span class="sourceLineNo">127</span> default void setWriteBufferPeriodicFlush(long timeoutMs) {<a name="line.127"></a> +<span class="sourceLineNo">128</span> setWriteBufferPeriodicFlush(timeoutMs, 1000L);<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> * Sets the maximum time before the buffer is automatically flushed.<a name="line.132"></a> +<span class="sourceLineNo">133</span> * @param timeoutMs The maximum number of milliseconds how long records may be buffered<a name="line.133"></a> +<span class="sourceLineNo">134</span> * before they are flushed. Set to 0 to disable.<a name="line.134"></a> +<span class="sourceLineNo">135</span> * @param timerTickMs The number of milliseconds between each check if the<a name="line.135"></a> +<span class="sourceLineNo">136</span> * timeout has been exceeded. Must be 100ms (as defined in<a name="line.136"></a> +<span class="sourceLineNo">137</span> * {@link #MIN_WRITE_BUFFER_PERIODIC_FLUSH_TIMERTICK_MS})<a name="line.137"></a> +<span class="sourceLineNo">138</span> * or larger to avoid performance problems.<a name="line.138"></a> +<span class="sourceLineNo">139</span> */<a name="line.139"></a> +<span class="sourceLineNo">140</span> default void setWriteBufferPeriodicFlush(long timeoutMs, long timerTickMs) {<a name="line.140"></a> +<span class="sourceLineNo">141</span> throw new UnsupportedOperationException(<a name="line.141"></a> +<span class="sourceLineNo">142</span> "The BufferedMutator::setWriteBufferPeriodicFlush has not been implemented");<a name="line.142"></a> +<span class="sourceLineNo">143</span> }<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> * Disable periodic flushing of the write buffer.<a name="line.146"></a> +<span class="sourceLineNo">147</span> */<a name="line.147"></a> +<span class="sourceLineNo">148</span> default void disableWriteBufferPeriodicFlush() {<a name="line.148"></a> +<span class="sourceLineNo">149</span> setWriteBufferPeriodicFlush(0, MIN_WRITE_BUFFER_PERIODIC_FLUSH_TIMERTICK_MS);<a name="line.149"></a> +<span class="sourceLineNo">150</span> }<a name="line.150"></a> +<span class="sourceLineNo">151</span><a name="line.151"></a> +<span class="sourceLineNo">152</span> /**<a name="line.152"></a> +<span class="sourceLineNo">153</span> * Returns the current periodic flush timeout value in milliseconds.<a name="line.153"></a> +<span class="sourceLineNo">154</span> * @return The maximum number of milliseconds how long records may be buffered before they<a name="line.154"></a> +<span class="sourceLineNo">155</span> * are flushed. The value 0 means this is disabled.<a name="line.155"></a> +<span class="sourceLineNo">156</span> */<a name="line.156"></a> +<span class="sourceLineNo">157</span> default long getWriteBufferPeriodicFlushTimeoutMs() {<a name="line.157"></a> +<span class="sourceLineNo">158</span> throw new UnsupportedOperationException(<a name="line.158"></a> +<span class="sourceLineNo">159</span> "The BufferedMutator::getWriteBufferPeriodicFlushTimeoutMs has not been implemented");<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> /**<a name="line.162"></a> +<span class="sourceLineNo">163</span> * Returns the current periodic flush timertick interval in milliseconds.<a name="line.163"></a> +<span class="sourceLineNo">164</span> * @return The number of milliseconds between each check if the timeout has been exceeded.<a name="line.164"></a> +<span class="sourceLineNo">165</span> * This value only has a real meaning if the timeout has been set to > 0<a name="line.165"></a> +<span class="sourceLineNo">166</span> */<a name="line.166"></a> +<span class="sourceLineNo">167</span> default long getWriteBufferPeriodicFlushTimerTickMs() {<a name="line.167"></a> +<span class="sourceLineNo">168</span> throw new UnsupportedOperationException(<a name="line.168"></a> +<span class="sourceLineNo">169</span> "The BufferedMutator::getWriteBufferPeriodicFlushTimerTickMs has not been implemented");<a name="line.169"></a> +<span class="sourceLineNo">170</span> }<a name="line.170"></a> +<span class="sourceLineNo">171</span><a name="line.171"></a> +<span class="sourceLineNo">172</span> /**<a name="line.172"></a> +<span class="sourceLineNo">173</span> * Returns the maximum size in bytes of the write buffer for this HTable.<a name="line.173"></a> +<span class="sourceLineNo">174</span> * <p><a name="line.174"></a> +<span class="sourceLineNo">175</span> * The default value comes from the configuration parameter {@code hbase.client.write.buffer}.<a name="line.175"></a> +<span class="sourceLineNo">176</span> * @return The size of the write buffer in bytes.<a name="line.176"></a> +<span class="sourceLineNo">177</span> */<a name="line.177"></a> +<span class="sourceLineNo">178</span> long getWriteBufferSize();<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> * Set rpc timeout for this mutator instance<a name="line.181"></a> +<span class="sourceLineNo">182</span> */<a name="line.182"></a> +<span class="sourceLineNo">183</span> void setRpcTimeout(int timeout);<a name="line.183"></a> +<span class="sourceLineNo">184</span><a name="line.184"></a> +<span class="sourceLineNo">185</span> /**<a name="line.185"></a> +<span class="sourceLineNo">186</span> * Set operation timeout for this mutator instance<a name="line.186"></a> +<span class="sourceLineNo">187</span> */<a name="line.187"></a> +<span class="sourceLineNo">188</span> void setOperationTimeout(int timeout);<a name="line.188"></a> +<span class="sourceLineNo">189</span><a name="line.189"></a> +<span class="sourceLineNo">190</span> /**<a name="line.190"></a> +<span class="sourceLineNo">191</span> * Listens for asynchronous exceptions on a {@link BufferedMutator}.<a name="line.191"></a> +<span class="sourceLineNo">192</span> */<a name="line.192"></a> +<span class="sourceLineNo">193</span> @InterfaceAudience.Public<a name="line.193"></a> +<span class="sourceLineNo">194</span> interface ExceptionListener {<a name="line.194"></a> +<span class="sourceLineNo">195</span> public void onException(RetriesExhaustedWithDetailsException exception,<a name="line.195"></a> +<span class="sourceLineNo">196</span> BufferedMutator mutator) throws RetriesExhaustedWithDetailsException;<a name="line.196"></a> +<span class="sourceLineNo">197</span> }<a name="line.197"></a> +<span class="sourceLineNo">198</span>}<a name="line.198"></a>
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/83bf6175/apidocs/src-html/org/apache/hadoop/hbase/client/BufferedMutator.html ---------------------------------------------------------------------- diff --git a/apidocs/src-html/org/apache/hadoop/hbase/client/BufferedMutator.html b/apidocs/src-html/org/apache/hadoop/hbase/client/BufferedMutator.html index b21bf57..de73f47 100644 --- a/apidocs/src-html/org/apache/hadoop/hbase/client/BufferedMutator.html +++ b/apidocs/src-html/org/apache/hadoop/hbase/client/BufferedMutator.html @@ -26,129 +26,184 @@ <span class="sourceLineNo">018</span> */<a name="line.18"></a> <span class="sourceLineNo">019</span>package org.apache.hadoop.hbase.client;<a name="line.19"></a> <span class="sourceLineNo">020</span><a name="line.20"></a> -<span class="sourceLineNo">021</span>import org.apache.hadoop.conf.Configuration;<a name="line.21"></a> -<span class="sourceLineNo">022</span>import org.apache.hadoop.hbase.TableName;<a name="line.22"></a> -<span class="sourceLineNo">023</span>import org.apache.yetus.audience.InterfaceAudience;<a name="line.23"></a> -<span class="sourceLineNo">024</span><a name="line.24"></a> -<span class="sourceLineNo">025</span>import java.io.Closeable;<a name="line.25"></a> -<span class="sourceLineNo">026</span>import java.io.IOException;<a name="line.26"></a> -<span class="sourceLineNo">027</span>import java.util.List;<a name="line.27"></a> -<span class="sourceLineNo">028</span><a name="line.28"></a> -<span class="sourceLineNo">029</span>/**<a name="line.29"></a> -<span class="sourceLineNo">030</span> * <p>Used to communicate with a single HBase table similar to {@link Table} but meant for<a name="line.30"></a> -<span class="sourceLineNo">031</span> * batched, asynchronous puts. Obtain an instance from a {@link Connection} and call<a name="line.31"></a> -<span class="sourceLineNo">032</span> * {@link #close()} afterwards. Customizations can be applied to the {@code BufferedMutator} via<a name="line.32"></a> -<span class="sourceLineNo">033</span> * the {@link BufferedMutatorParams}.<a name="line.33"></a> -<span class="sourceLineNo">034</span> * </p><a name="line.34"></a> -<span class="sourceLineNo">035</span> *<a name="line.35"></a> -<span class="sourceLineNo">036</span> * <p>Exception handling with asynchronously via the {@link BufferedMutator.ExceptionListener}.<a name="line.36"></a> -<span class="sourceLineNo">037</span> * The default implementation is to throw the exception upon receipt. This behavior can be<a name="line.37"></a> -<span class="sourceLineNo">038</span> * overridden with a custom implementation, provided as a parameter with<a name="line.38"></a> -<span class="sourceLineNo">039</span> * {@link BufferedMutatorParams#listener(BufferedMutator.ExceptionListener)}.</p><a name="line.39"></a> -<span class="sourceLineNo">040</span> *<a name="line.40"></a> -<span class="sourceLineNo">041</span> * <p>Map/Reduce jobs are good use cases for using {@code BufferedMutator}. Map/reduce jobs<a name="line.41"></a> -<span class="sourceLineNo">042</span> * benefit from batching, but have no natural flush point. {@code BufferedMutator} receives the<a name="line.42"></a> -<span class="sourceLineNo">043</span> * puts from the M/R job and will batch puts based on some heuristic, such as the accumulated size<a name="line.43"></a> -<span class="sourceLineNo">044</span> * of the puts, and submit batches of puts asynchronously so that the M/R logic can continue<a name="line.44"></a> -<span class="sourceLineNo">045</span> * without interruption.<a name="line.45"></a> -<span class="sourceLineNo">046</span> * </p><a name="line.46"></a> -<span class="sourceLineNo">047</span> *<a name="line.47"></a> -<span class="sourceLineNo">048</span> * <p>{@code BufferedMutator} can also be used on more exotic circumstances. Map/Reduce batch jobs<a name="line.48"></a> -<span class="sourceLineNo">049</span> * will have a single {@code BufferedMutator} per thread. A single {@code BufferedMutator} can<a name="line.49"></a> -<span class="sourceLineNo">050</span> * also be effectively used in high volume online systems to batch puts, with the caveat that<a name="line.50"></a> -<span class="sourceLineNo">051</span> * extreme circumstances, such as JVM or machine failure, may cause some data loss.</p><a name="line.51"></a> -<span class="sourceLineNo">052</span> *<a name="line.52"></a> -<span class="sourceLineNo">053</span> * <p>NOTE: This class replaces the functionality that used to be available via<a name="line.53"></a> -<span class="sourceLineNo">054</span> * HTable#setAutoFlush(boolean) set to {@code false}.<a name="line.54"></a> -<span class="sourceLineNo">055</span> * </p><a name="line.55"></a> -<span class="sourceLineNo">056</span> *<a name="line.56"></a> -<span class="sourceLineNo">057</span> * <p>See also the {@code BufferedMutatorExample} in the hbase-examples module.</p><a name="line.57"></a> -<span class="sourceLineNo">058</span> * @see ConnectionFactory<a name="line.58"></a> -<span class="sourceLineNo">059</span> * @see Connection<a name="line.59"></a> -<span class="sourceLineNo">060</span> * @since 1.0.0<a name="line.60"></a> -<span class="sourceLineNo">061</span> */<a name="line.61"></a> -<span class="sourceLineNo">062</span>@InterfaceAudience.Public<a name="line.62"></a> -<span class="sourceLineNo">063</span>public interface BufferedMutator extends Closeable {<a name="line.63"></a> -<span class="sourceLineNo">064</span> /**<a name="line.64"></a> -<span class="sourceLineNo">065</span> * Key to use setting non-default BufferedMutator implementation in Configuration.<a name="line.65"></a> -<span class="sourceLineNo">066</span> */<a name="line.66"></a> -<span class="sourceLineNo">067</span> public static final String CLASSNAME_KEY = "hbase.client.bufferedmutator.classname";<a name="line.67"></a> -<span class="sourceLineNo">068</span><a name="line.68"></a> -<span class="sourceLineNo">069</span> /**<a name="line.69"></a> -<span class="sourceLineNo">070</span> * Gets the fully qualified table name instance of the table that this BufferedMutator writes to.<a name="line.70"></a> +<span class="sourceLineNo">021</span>import java.io.Closeable;<a name="line.21"></a> +<span class="sourceLineNo">022</span>import java.io.IOException;<a name="line.22"></a> +<span class="sourceLineNo">023</span>import java.util.List;<a name="line.23"></a> +<span class="sourceLineNo">024</span>import org.apache.hadoop.conf.Configuration;<a name="line.24"></a> +<span class="sourceLineNo">025</span>import org.apache.hadoop.hbase.TableName;<a name="line.25"></a> +<span class="sourceLineNo">026</span>import org.apache.yetus.audience.InterfaceAudience;<a name="line.26"></a> +<span class="sourceLineNo">027</span><a name="line.27"></a> +<span class="sourceLineNo">028</span>/**<a name="line.28"></a> +<span class="sourceLineNo">029</span> * <p>Used to communicate with a single HBase table similar to {@link Table} but meant for<a name="line.29"></a> +<span class="sourceLineNo">030</span> * batched, asynchronous puts. Obtain an instance from a {@link Connection} and call<a name="line.30"></a> +<span class="sourceLineNo">031</span> * {@link #close()} afterwards. Customizations can be applied to the {@code BufferedMutator} via<a name="line.31"></a> +<span class="sourceLineNo">032</span> * the {@link BufferedMutatorParams}.<a name="line.32"></a> +<span class="sourceLineNo">033</span> * </p><a name="line.33"></a> +<span class="sourceLineNo">034</span> *<a name="line.34"></a> +<span class="sourceLineNo">035</span> * <p>Exception handling with asynchronously via the {@link BufferedMutator.ExceptionListener}.<a name="line.35"></a> +<span class="sourceLineNo">036</span> * The default implementation is to throw the exception upon receipt. This behavior can be<a name="line.36"></a> +<span class="sourceLineNo">037</span> * overridden with a custom implementation, provided as a parameter with<a name="line.37"></a> +<span class="sourceLineNo">038</span> * {@link BufferedMutatorParams#listener(BufferedMutator.ExceptionListener)}.</p><a name="line.38"></a> +<span class="sourceLineNo">039</span> *<a name="line.39"></a> +<span class="sourceLineNo">040</span> * <p>Map/Reduce jobs are good use cases for using {@code BufferedMutator}. 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The mutations will be buffered and sent over the<a name="line.83"></a> -<span class="sourceLineNo">084</span> * wire as part of a batch. Currently only supports {@link Put} and {@link Delete} mutations.<a name="line.84"></a> -<span class="sourceLineNo">085</span> *<a name="line.85"></a> -<span class="sourceLineNo">086</span> * @param mutation The data to send.<a name="line.86"></a> -<span class="sourceLineNo">087</span> * @throws IOException if a remote or network exception occurs.<a name="line.87"></a> -<span class="sourceLineNo">088</span> */<a name="line.88"></a> -<span class="sourceLineNo">089</span> void mutate(Mutation mutation) throws IOException;<a name="line.89"></a> -<span class="sourceLineNo">090</span><a name="line.90"></a> -<span class="sourceLineNo">091</span> /**<a name="line.91"></a> -<span class="sourceLineNo">092</span> * Send some {@link Mutation}s to the table. The mutations will be buffered and sent over the<a name="line.92"></a> -<span class="sourceLineNo">093</span> * wire as part of a batch. 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*/<a name="line.114"></a> -<span class="sourceLineNo">115</span> void flush() throws IOException;<a name="line.115"></a> -<span class="sourceLineNo">116</span><a name="line.116"></a> -<span class="sourceLineNo">117</span> /**<a name="line.117"></a> -<span class="sourceLineNo">118</span> * Returns the maximum size in bytes of the write buffer for this HTable.<a name="line.118"></a> -<span class="sourceLineNo">119</span> * <p><a name="line.119"></a> -<span class="sourceLineNo">120</span> * The default value comes from the configuration parameter {@code hbase.client.write.buffer}.<a name="line.120"></a> -<span class="sourceLineNo">121</span> * @return The size of the write buffer in bytes.<a name="line.121"></a> -<span class="sourceLineNo">122</span> */<a name="line.122"></a> -<span class="sourceLineNo">123</span> long getWriteBufferSize();<a name="line.123"></a> -<span class="sourceLineNo">124</span><a name="line.124"></a> -<span class="sourceLineNo">125</span> /**<a name="line.125"></a> 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