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Posted to commits@hbase.apache.org by gi...@apache.org on 2018/10/20 14:53:30 UTC
[31/51] [partial] hbase-site git commit: Published site at
7adf590106826b9e4432cfeee06acdc0ccff8c6e.
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/425db230/devapidocs/src-html/org/apache/hadoop/hbase/procedure2/store/ProcedureStore.html
----------------------------------------------------------------------
diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/procedure2/store/ProcedureStore.html b/devapidocs/src-html/org/apache/hadoop/hbase/procedure2/store/ProcedureStore.html
index e4dc134..2945c58 100644
--- a/devapidocs/src-html/org/apache/hadoop/hbase/procedure2/store/ProcedureStore.html
+++ b/devapidocs/src-html/org/apache/hadoop/hbase/procedure2/store/ProcedureStore.html
@@ -93,157 +93,163 @@
<span class="sourceLineNo">085</span> boolean hasNext();<a name="line.85"></a>
<span class="sourceLineNo">086</span><a name="line.86"></a>
<span class="sourceLineNo">087</span> /**<a name="line.87"></a>
-<span class="sourceLineNo">088</span> * @return true if the iterator next element is a completed procedure.<a name="line.88"></a>
-<span class="sourceLineNo">089</span> */<a name="line.89"></a>
-<span class="sourceLineNo">090</span> boolean isNextFinished();<a name="line.90"></a>
-<span class="sourceLineNo">091</span><a name="line.91"></a>
-<span class="sourceLineNo">092</span> /**<a name="line.92"></a>
-<span class="sourceLineNo">093</span> * Skip the next procedure<a name="line.93"></a>
-<span class="sourceLineNo">094</span> */<a name="line.94"></a>
-<span class="sourceLineNo">095</span> void skipNext();<a name="line.95"></a>
-<span class="sourceLineNo">096</span><a name="line.96"></a>
-<span class="sourceLineNo">097</span> /**<a name="line.97"></a>
-<span class="sourceLineNo">098</span> * Returns the next procedure in the iteration.<a name="line.98"></a>
-<span class="sourceLineNo">099</span> * @throws IOException if there was an error fetching/deserializing the procedure<a name="line.99"></a>
-<span class="sourceLineNo">100</span> * @return the next procedure in the iteration.<a name="line.100"></a>
-<span class="sourceLineNo">101</span> */<a name="line.101"></a>
-<span class="sourceLineNo">102</span> @SuppressWarnings("rawtypes")<a name="line.102"></a>
-<span class="sourceLineNo">103</span> Procedure next() throws IOException;<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> /**<a name="line.106"></a>
-<span class="sourceLineNo">107</span> * Interface passed to the ProcedureStore.load() method to handle the store-load events.<a name="line.107"></a>
-<span class="sourceLineNo">108</span> */<a name="line.108"></a>
-<span class="sourceLineNo">109</span> public interface ProcedureLoader {<a name="line.109"></a>
-<span class="sourceLineNo">110</span> /**<a name="line.110"></a>
-<span class="sourceLineNo">111</span> * Called by ProcedureStore.load() to notify about the maximum proc-id in the store.<a name="line.111"></a>
-<span class="sourceLineNo">112</span> * @param maxProcId the highest proc-id in the store<a name="line.112"></a>
-<span class="sourceLineNo">113</span> */<a name="line.113"></a>
-<span class="sourceLineNo">114</span> void setMaxProcId(long maxProcId);<a name="line.114"></a>
-<span class="sourceLineNo">115</span><a name="line.115"></a>
+<span class="sourceLineNo">088</span> * Calling this method does not need to converting the protobuf message to the Procedure class,<a name="line.88"></a>
+<span class="sourceLineNo">089</span> * so if it returns true we can call {@link #skipNext()} to skip the procedure without<a name="line.89"></a>
+<span class="sourceLineNo">090</span> * deserializing. This could increase the performance.<a name="line.90"></a>
+<span class="sourceLineNo">091</span> * @return true if the iterator next element is a completed procedure.<a name="line.91"></a>
+<span class="sourceLineNo">092</span> */<a name="line.92"></a>
+<span class="sourceLineNo">093</span> boolean isNextFinished();<a name="line.93"></a>
+<span class="sourceLineNo">094</span><a name="line.94"></a>
+<span class="sourceLineNo">095</span> /**<a name="line.95"></a>
+<span class="sourceLineNo">096</span> * Skip the next procedure<a name="line.96"></a>
+<span class="sourceLineNo">097</span> * <p/><a name="line.97"></a>
+<span class="sourceLineNo">098</span> * This method is used to skip the deserializing of the procedure to increase performance, as<a name="line.98"></a>
+<span class="sourceLineNo">099</span> * when calling next we need to convert the protobuf message to the Procedure class.<a name="line.99"></a>
+<span class="sourceLineNo">100</span> */<a name="line.100"></a>
+<span class="sourceLineNo">101</span> void skipNext();<a name="line.101"></a>
+<span class="sourceLineNo">102</span><a name="line.102"></a>
+<span class="sourceLineNo">103</span> /**<a name="line.103"></a>
+<span class="sourceLineNo">104</span> * Returns the next procedure in the iteration.<a name="line.104"></a>
+<span class="sourceLineNo">105</span> * @throws IOException if there was an error fetching/deserializing the procedure<a name="line.105"></a>
+<span class="sourceLineNo">106</span> * @return the next procedure in the iteration.<a name="line.106"></a>
+<span class="sourceLineNo">107</span> */<a name="line.107"></a>
+<span class="sourceLineNo">108</span> @SuppressWarnings("rawtypes")<a name="line.108"></a>
+<span class="sourceLineNo">109</span> Procedure next() throws IOException;<a name="line.109"></a>
+<span class="sourceLineNo">110</span> }<a name="line.110"></a>
+<span class="sourceLineNo">111</span><a name="line.111"></a>
+<span class="sourceLineNo">112</span> /**<a name="line.112"></a>
+<span class="sourceLineNo">113</span> * Interface passed to the ProcedureStore.load() method to handle the store-load events.<a name="line.113"></a>
+<span class="sourceLineNo">114</span> */<a name="line.114"></a>
+<span class="sourceLineNo">115</span> public interface ProcedureLoader {<a name="line.115"></a>
<span class="sourceLineNo">116</span> /**<a name="line.116"></a>
-<span class="sourceLineNo">117</span> * Called by the ProcedureStore.load() every time a set of procedures are ready to be executed.<a name="line.117"></a>
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-<span class="sourceLineNo">119</span> * @param procIter iterator over the procedures ready to be added to the executor.<a name="line.119"></a>
-<span class="sourceLineNo">120</span> */<a name="line.120"></a>
-<span class="sourceLineNo">121</span> void load(ProcedureIterator procIter) throws IOException;<a name="line.121"></a>
-<span class="sourceLineNo">122</span><a name="line.122"></a>
-<span class="sourceLineNo">123</span> /**<a name="line.123"></a>
-<span class="sourceLineNo">124</span> * Called by the ProcedureStore.load() in case we have procedures not-ready to be added to<a name="line.124"></a>
-<span class="sourceLineNo">125</span> * the executor, which probably means they are corrupted since some information/link is missing.<a name="line.125"></a>
-<span class="sourceLineNo">126</span> * @param procIter iterator over the procedures not ready to be added to the executor, corrupted<a name="line.126"></a>
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-<span class="sourceLineNo">128</span> void handleCorrupted(ProcedureIterator procIter) throws IOException;<a name="line.128"></a>
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-<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> * Add the listener to the notification list.<a name="line.132"></a>
-<span class="sourceLineNo">133</span> * @param listener The AssignmentListener to register<a name="line.133"></a>
-<span class="sourceLineNo">134</span> */<a name="line.134"></a>
-<span class="sourceLineNo">135</span> void registerListener(ProcedureStoreListener listener);<a name="line.135"></a>
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+<span class="sourceLineNo">118</span> * @param maxProcId the highest proc-id in the store<a name="line.118"></a>
+<span class="sourceLineNo">119</span> */<a name="line.119"></a>
+<span class="sourceLineNo">120</span> void setMaxProcId(long maxProcId);<a name="line.120"></a>
+<span class="sourceLineNo">121</span><a name="line.121"></a>
+<span class="sourceLineNo">122</span> /**<a name="line.122"></a>
+<span class="sourceLineNo">123</span> * Called by the ProcedureStore.load() every time a set of procedures are ready to be executed.<a name="line.123"></a>
+<span class="sourceLineNo">124</span> * The ProcedureIterator passed to the method, has the procedure sorted in replay-order.<a name="line.124"></a>
+<span class="sourceLineNo">125</span> * @param procIter iterator over the procedures ready to be added to the executor.<a name="line.125"></a>
+<span class="sourceLineNo">126</span> */<a name="line.126"></a>
+<span class="sourceLineNo">127</span> void load(ProcedureIterator procIter) throws IOException;<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> * Called by the ProcedureStore.load() in case we have procedures not-ready to be added to<a name="line.130"></a>
+<span class="sourceLineNo">131</span> * the executor, which probably means they are corrupted since some information/link is missing.<a name="line.131"></a>
+<span class="sourceLineNo">132</span> * @param procIter iterator over the procedures not ready to be added to the executor, corrupted<a name="line.132"></a>
+<span class="sourceLineNo">133</span> */<a name="line.133"></a>
+<span class="sourceLineNo">134</span> void handleCorrupted(ProcedureIterator procIter) throws IOException;<a name="line.134"></a>
+<span class="sourceLineNo">135</span> }<a name="line.135"></a>
<span class="sourceLineNo">136</span><a name="line.136"></a>
<span class="sourceLineNo">137</span> /**<a name="line.137"></a>
-<span class="sourceLineNo">138</span> * Remove the listener from the notification list.<a name="line.138"></a>
-<span class="sourceLineNo">139</span> * @param listener The AssignmentListener to unregister<a name="line.139"></a>
-<span class="sourceLineNo">140</span> * @return true if the listner was in the list and it was removed, otherwise false.<a name="line.140"></a>
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-<span class="sourceLineNo">142</span> boolean unregisterListener(ProcedureStoreListener listener);<a name="line.142"></a>
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-<span class="sourceLineNo">144</span> /**<a name="line.144"></a>
-<span class="sourceLineNo">145</span> * Start/Open the procedure store<a name="line.145"></a>
-<span class="sourceLineNo">146</span> * @param numThreads<a name="line.146"></a>
+<span class="sourceLineNo">138</span> * Add the listener to the notification list.<a name="line.138"></a>
+<span class="sourceLineNo">139</span> * @param listener The AssignmentListener to register<a name="line.139"></a>
+<span class="sourceLineNo">140</span> */<a name="line.140"></a>
+<span class="sourceLineNo">141</span> void registerListener(ProcedureStoreListener listener);<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> * Remove the listener from the notification list.<a name="line.144"></a>
+<span class="sourceLineNo">145</span> * @param listener The AssignmentListener to unregister<a name="line.145"></a>
+<span class="sourceLineNo">146</span> * @return true if the listner was in the list and it was removed, otherwise false.<a name="line.146"></a>
<span class="sourceLineNo">147</span> */<a name="line.147"></a>
-<span class="sourceLineNo">148</span> void start(int numThreads) throws IOException;<a name="line.148"></a>
+<span class="sourceLineNo">148</span> boolean unregisterListener(ProcedureStoreListener listener);<a name="line.148"></a>
<span class="sourceLineNo">149</span><a name="line.149"></a>
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-<span class="sourceLineNo">151</span> * Stop/Close the procedure store<a name="line.151"></a>
-<span class="sourceLineNo">152</span> * @param abort true if the stop is an abort<a name="line.152"></a>
+<span class="sourceLineNo">151</span> * Start/Open the procedure store<a name="line.151"></a>
+<span class="sourceLineNo">152</span> * @param numThreads<a name="line.152"></a>
<span class="sourceLineNo">153</span> */<a name="line.153"></a>
-<span class="sourceLineNo">154</span> void stop(boolean abort);<a name="line.154"></a>
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<span class="sourceLineNo">155</span><a name="line.155"></a>
<span class="sourceLineNo">156</span> /**<a name="line.156"></a>
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-<span class="sourceLineNo">159</span> boolean isRunning();<a name="line.159"></a>
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-<span class="sourceLineNo">162</span> * @return the number of threads/slots passed to start()<a name="line.162"></a>
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-<span class="sourceLineNo">166</span> /**<a name="line.166"></a>
-<span class="sourceLineNo">167</span> * Set the number of procedure running.<a name="line.167"></a>
-<span class="sourceLineNo">168</span> * This can be used, for example, by the store to know how long to wait before a sync.<a name="line.168"></a>
-<span class="sourceLineNo">169</span> * @return how many procedures are running (may not be same as <code>count</code>).<a name="line.169"></a>
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-<span class="sourceLineNo">171</span> int setRunningProcedureCount(int count);<a name="line.171"></a>
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-<span class="sourceLineNo">176</span> void recoverLease() throws IOException;<a name="line.176"></a>
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-<span class="sourceLineNo">179</span> * Load the Procedures in the store.<a name="line.179"></a>
-<span class="sourceLineNo">180</span> * @param loader the ProcedureLoader that will handle the store-load events<a name="line.180"></a>
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+<span class="sourceLineNo">159</span> */<a name="line.159"></a>
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+<span class="sourceLineNo">172</span> /**<a name="line.172"></a>
+<span class="sourceLineNo">173</span> * Set the number of procedure running.<a name="line.173"></a>
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+<span class="sourceLineNo">175</span> * @return how many procedures are running (may not be same as <code>count</code>).<a name="line.175"></a>
+<span class="sourceLineNo">176</span> */<a name="line.176"></a>
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-<span class="sourceLineNo">182</span> void load(ProcedureLoader loader) throws IOException;<a name="line.182"></a>
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-<span class="sourceLineNo">188</span> * When a procedure is executed and it returns children insert(proc, subprocs) will be called.<a name="line.188"></a>
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-<span class="sourceLineNo">214</span> * The specified procId was removed from the executor,<a name="line.214"></a>
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-<span class="sourceLineNo">216</span> * The store implementor should remove all the information about the specified procId.<a name="line.216"></a>
-<span class="sourceLineNo">217</span> * @param procId the ID of the procedure to remove.<a name="line.217"></a>
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-<span class="sourceLineNo">222</span> * The parent procedure completed.<a name="line.222"></a>
-<span class="sourceLineNo">223</span> * Update the state and mark all the child deleted.<a name="line.223"></a>
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-<span class="sourceLineNo">225</span> * @param subProcIds the IDs of the sub-procedure to remove.<a name="line.225"></a>
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-<span class="sourceLineNo">230</span> * The specified procIds were removed from the executor,<a name="line.230"></a>
-<span class="sourceLineNo">231</span> * due to completion, abort or failure.<a name="line.231"></a>
-<span class="sourceLineNo">232</span> * The store implementor should remove all the information about the specified procIds.<a name="line.232"></a>
-<span class="sourceLineNo">233</span> * @param procIds the IDs of the procedures to remove.<a name="line.233"></a>
-<span class="sourceLineNo">234</span> * @param offset the array offset from where to start to delete<a name="line.234"></a>
-<span class="sourceLineNo">235</span> * @param count the number of IDs to delete<a name="line.235"></a>
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-<span class="sourceLineNo">237</span> void delete(long[] procIds, int offset, int count);<a name="line.237"></a>
-<span class="sourceLineNo">238</span>}<a name="line.238"></a>
+<span class="sourceLineNo">185</span> * Load the Procedures in the store.<a name="line.185"></a>
+<span class="sourceLineNo">186</span> * @param loader the ProcedureLoader that will handle the store-load events<a name="line.186"></a>
+<span class="sourceLineNo">187</span> */<a name="line.187"></a>
+<span class="sourceLineNo">188</span> void load(ProcedureLoader loader) throws IOException;<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> * When a procedure is submitted to the executor insert(proc, null) will be called.<a name="line.191"></a>
+<span class="sourceLineNo">192</span> * 'proc' has a 'RUNNABLE' state and the initial information required to start up.<a name="line.192"></a>
+<span class="sourceLineNo">193</span> *<a name="line.193"></a>
+<span class="sourceLineNo">194</span> * When a procedure is executed and it returns children insert(proc, subprocs) will be called.<a name="line.194"></a>
+<span class="sourceLineNo">195</span> * 'proc' has a 'WAITING' state and an update state.<a name="line.195"></a>
+<span class="sourceLineNo">196</span> * 'subprocs' are the children in 'RUNNABLE' state with the initial information.<a name="line.196"></a>
+<span class="sourceLineNo">197</span> *<a name="line.197"></a>
+<span class="sourceLineNo">198</span> * @param proc the procedure to serialize and write to the store.<a name="line.198"></a>
+<span class="sourceLineNo">199</span> * @param subprocs the newly created child of the proc.<a name="line.199"></a>
+<span class="sourceLineNo">200</span> */<a name="line.200"></a>
+<span class="sourceLineNo">201</span> void insert(Procedure<?> proc, Procedure<?>[] subprocs);<a name="line.201"></a>
+<span class="sourceLineNo">202</span><a name="line.202"></a>
+<span class="sourceLineNo">203</span> /**<a name="line.203"></a>
+<span class="sourceLineNo">204</span> * Serialize a set of new procedures.<a name="line.204"></a>
+<span class="sourceLineNo">205</span> * These procedures are freshly submitted to the executor and each procedure<a name="line.205"></a>
+<span class="sourceLineNo">206</span> * has a 'RUNNABLE' state and the initial information required to start up.<a name="line.206"></a>
+<span class="sourceLineNo">207</span> *<a name="line.207"></a>
+<span class="sourceLineNo">208</span> * @param procs the procedures to serialize and write to the store.<a name="line.208"></a>
+<span class="sourceLineNo">209</span> */<a name="line.209"></a>
+<span class="sourceLineNo">210</span> void insert(Procedure<?>[] procs);<a name="line.210"></a>
+<span class="sourceLineNo">211</span><a name="line.211"></a>
+<span class="sourceLineNo">212</span> /**<a name="line.212"></a>
+<span class="sourceLineNo">213</span> * The specified procedure was executed,<a name="line.213"></a>
+<span class="sourceLineNo">214</span> * and the new state should be written to the store.<a name="line.214"></a>
+<span class="sourceLineNo">215</span> * @param proc the procedure to serialize and write to the store.<a name="line.215"></a>
+<span class="sourceLineNo">216</span> */<a name="line.216"></a>
+<span class="sourceLineNo">217</span> void update(Procedure<?> proc);<a name="line.217"></a>
+<span class="sourceLineNo">218</span><a name="line.218"></a>
+<span class="sourceLineNo">219</span> /**<a name="line.219"></a>
+<span class="sourceLineNo">220</span> * The specified procId was removed from the executor,<a name="line.220"></a>
+<span class="sourceLineNo">221</span> * due to completion, abort or failure.<a name="line.221"></a>
+<span class="sourceLineNo">222</span> * The store implementor should remove all the information about the specified procId.<a name="line.222"></a>
+<span class="sourceLineNo">223</span> * @param procId the ID of the procedure to remove.<a name="line.223"></a>
+<span class="sourceLineNo">224</span> */<a name="line.224"></a>
+<span class="sourceLineNo">225</span> void delete(long procId);<a name="line.225"></a>
+<span class="sourceLineNo">226</span><a name="line.226"></a>
+<span class="sourceLineNo">227</span> /**<a name="line.227"></a>
+<span class="sourceLineNo">228</span> * The parent procedure completed.<a name="line.228"></a>
+<span class="sourceLineNo">229</span> * Update the state and mark all the child deleted.<a name="line.229"></a>
+<span class="sourceLineNo">230</span> * @param parentProc the parent procedure to serialize and write to the store.<a name="line.230"></a>
+<span class="sourceLineNo">231</span> * @param subProcIds the IDs of the sub-procedure to remove.<a name="line.231"></a>
+<span class="sourceLineNo">232</span> */<a name="line.232"></a>
+<span class="sourceLineNo">233</span> void delete(Procedure<?> parentProc, long[] subProcIds);<a name="line.233"></a>
+<span class="sourceLineNo">234</span><a name="line.234"></a>
+<span class="sourceLineNo">235</span> /**<a name="line.235"></a>
+<span class="sourceLineNo">236</span> * The specified procIds were removed from the executor,<a name="line.236"></a>
+<span class="sourceLineNo">237</span> * due to completion, abort or failure.<a name="line.237"></a>
+<span class="sourceLineNo">238</span> * The store implementor should remove all the information about the specified procIds.<a name="line.238"></a>
+<span class="sourceLineNo">239</span> * @param procIds the IDs of the procedures to remove.<a name="line.239"></a>
+<span class="sourceLineNo">240</span> * @param offset the array offset from where to start to delete<a name="line.240"></a>
+<span class="sourceLineNo">241</span> * @param count the number of IDs to delete<a name="line.241"></a>
+<span class="sourceLineNo">242</span> */<a name="line.242"></a>
+<span class="sourceLineNo">243</span> void delete(long[] procIds, int offset, int count);<a name="line.243"></a>
+<span class="sourceLineNo">244</span>}<a name="line.244"></a>
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/425db230/devapidocs/src-html/org/apache/hadoop/hbase/procedure2/store/wal/ProcedureWALFormatReader.html
----------------------------------------------------------------------
diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/procedure2/store/wal/ProcedureWALFormatReader.html b/devapidocs/src-html/org/apache/hadoop/hbase/procedure2/store/wal/ProcedureWALFormatReader.html
index 8af2ed0..797fe33 100644
--- a/devapidocs/src-html/org/apache/hadoop/hbase/procedure2/store/wal/ProcedureWALFormatReader.html
+++ b/devapidocs/src-html/org/apache/hadoop/hbase/procedure2/store/wal/ProcedureWALFormatReader.html
@@ -27,268 +27,215 @@
<span class="sourceLineNo">019</span><a name="line.19"></a>
<span class="sourceLineNo">020</span>import java.io.IOException;<a name="line.20"></a>
<span class="sourceLineNo">021</span>import org.apache.hadoop.fs.FSDataInputStream;<a name="line.21"></a>
-<span class="sourceLineNo">022</span>import org.apache.hadoop.hbase.procedure2.store.ProcedureStore.ProcedureIterator;<a name="line.22"></a>
-<span class="sourceLineNo">023</span>import org.apache.hadoop.hbase.procedure2.store.ProcedureStoreTracker;<a name="line.23"></a>
-<span class="sourceLineNo">024</span>import org.apache.yetus.audience.InterfaceAudience;<a name="line.24"></a>
-<span class="sourceLineNo">025</span>import org.slf4j.Logger;<a name="line.25"></a>
-<span class="sourceLineNo">026</span>import org.slf4j.LoggerFactory;<a name="line.26"></a>
-<span class="sourceLineNo">027</span><a name="line.27"></a>
-<span class="sourceLineNo">028</span>import org.apache.hbase.thirdparty.com.google.protobuf.InvalidProtocolBufferException;<a name="line.28"></a>
-<span class="sourceLineNo">029</span><a name="line.29"></a>
-<span class="sourceLineNo">030</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.ProcedureProtos;<a name="line.30"></a>
-<span class="sourceLineNo">031</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.ProcedureProtos.ProcedureWALEntry;<a name="line.31"></a>
-<span class="sourceLineNo">032</span><a name="line.32"></a>
-<span class="sourceLineNo">033</span>/**<a name="line.33"></a>
-<span class="sourceLineNo">034</span> * Helper class that loads the procedures stored in a WAL<a name="line.34"></a>
-<span class="sourceLineNo">035</span> */<a name="line.35"></a>
-<span class="sourceLineNo">036</span>@InterfaceAudience.Private<a name="line.36"></a>
-<span class="sourceLineNo">037</span>public class ProcedureWALFormatReader {<a name="line.37"></a>
-<span class="sourceLineNo">038</span> private static final Logger LOG = LoggerFactory.getLogger(ProcedureWALFormatReader.class);<a name="line.38"></a>
-<span class="sourceLineNo">039</span><a name="line.39"></a>
-<span class="sourceLineNo">040</span> // ==============================================================================================<a name="line.40"></a>
-<span class="sourceLineNo">041</span> // We read the WALs in reverse order from the newest to the oldest.<a name="line.41"></a>
-<span class="sourceLineNo">042</span> // We have different entry types:<a name="line.42"></a>
-<span class="sourceLineNo">043</span> // - INIT: Procedure submitted by the user (also known as 'root procedure')<a name="line.43"></a>
-<span class="sourceLineNo">044</span> // - INSERT: Children added to the procedure <parentId>:[<childId>, ...]<a name="line.44"></a>
-<span class="sourceLineNo">045</span> // - UPDATE: The specified procedure was updated<a name="line.45"></a>
-<span class="sourceLineNo">046</span> // - DELETE: The procedure was removed (finished/rolledback and result TTL expired)<a name="line.46"></a>
-<span class="sourceLineNo">047</span> //<a name="line.47"></a>
-<span class="sourceLineNo">048</span> // In the WAL we can find multiple times the same procedure as UPDATE or INSERT.<a name="line.48"></a>
-<span class="sourceLineNo">049</span> // We read the WAL from top to bottom, so every time we find an entry of the<a name="line.49"></a>
-<span class="sourceLineNo">050</span> // same procedure, that will be the "latest" update (Caveat: with multiple threads writing<a name="line.50"></a>
-<span class="sourceLineNo">051</span> // the store, this assumption does not hold).<a name="line.51"></a>
-<span class="sourceLineNo">052</span> //<a name="line.52"></a>
-<span class="sourceLineNo">053</span> // We keep two in-memory maps:<a name="line.53"></a>
-<span class="sourceLineNo">054</span> // - localProcedureMap: is the map containing the entries in the WAL we are processing<a name="line.54"></a>
-<span class="sourceLineNo">055</span> // - procedureMap: is the map containing all the procedures we found up to the WAL in process.<a name="line.55"></a>
-<span class="sourceLineNo">056</span> // localProcedureMap is merged with the procedureMap once we reach the WAL EOF.<a name="line.56"></a>
-<span class="sourceLineNo">057</span> //<a name="line.57"></a>
-<span class="sourceLineNo">058</span> // Since we are reading the WALs in reverse order (newest to oldest),<a name="line.58"></a>
-<span class="sourceLineNo">059</span> // if we find an entry related to a procedure we already have in 'procedureMap' we can discard it.<a name="line.59"></a>
-<span class="sourceLineNo">060</span> //<a name="line.60"></a>
-<span class="sourceLineNo">061</span> // The WAL is append-only so the last procedure in the WAL is the one that<a name="line.61"></a>
-<span class="sourceLineNo">062</span> // was in execution at the time we crashed/closed the server.<a name="line.62"></a>
-<span class="sourceLineNo">063</span> // Given that, the procedure replay order can be inferred by the WAL order.<a name="line.63"></a>
-<span class="sourceLineNo">064</span> //<a name="line.64"></a>
-<span class="sourceLineNo">065</span> // Example:<a name="line.65"></a>
-<span class="sourceLineNo">066</span> // WAL-2: [A, B, A, C, D]<a name="line.66"></a>
-<span class="sourceLineNo">067</span> // WAL-1: [F, G, A, F, B]<a name="line.67"></a>
-<span class="sourceLineNo">068</span> // Replay-Order: [D, C, A, B, F, G]<a name="line.68"></a>
-<span class="sourceLineNo">069</span> //<a name="line.69"></a>
-<span class="sourceLineNo">070</span> // The "localProcedureMap" keeps a "replayOrder" list. Every time we add the<a name="line.70"></a>
-<span class="sourceLineNo">071</span> // record to the map that record is moved to the head of the "replayOrder" list.<a name="line.71"></a>
-<span class="sourceLineNo">072</span> // Using the example above:<a name="line.72"></a>
-<span class="sourceLineNo">073</span> // WAL-2 localProcedureMap.replayOrder is [D, C, A, B]<a name="line.73"></a>
-<span class="sourceLineNo">074</span> // WAL-1 localProcedureMap.replayOrder is [F, G]<a name="line.74"></a>
-<span class="sourceLineNo">075</span> //<a name="line.75"></a>
-<span class="sourceLineNo">076</span> // Each time we reach the WAL-EOF, the "replayOrder" list is merged/appended in 'procedureMap'<a name="line.76"></a>
-<span class="sourceLineNo">077</span> // so using the example above we end up with: [D, C, A, B] + [F, G] as replay order.<a name="line.77"></a>
-<span class="sourceLineNo">078</span> //<a name="line.78"></a>
-<span class="sourceLineNo">079</span> // Fast Start: INIT/INSERT record and StackIDs<a name="line.79"></a>
-<span class="sourceLineNo">080</span> // ---------------------------------------------<a name="line.80"></a>
-<span class="sourceLineNo">081</span> // We have two special records, INIT and INSERT, that track the first time<a name="line.81"></a>
-<span class="sourceLineNo">082</span> // the procedure was added to the WAL. We can use this information to be able<a name="line.82"></a>
-<span class="sourceLineNo">083</span> // to start procedures before reaching the end of the WAL, or before reading all WALs.<a name="line.83"></a>
-<span class="sourceLineNo">084</span> // But in some cases, the WAL with that record can be already gone.<a name="line.84"></a>
-<span class="sourceLineNo">085</span> // As an alternative, we can use the stackIds on each procedure,<a name="line.85"></a>
-<span class="sourceLineNo">086</span> // to identify when a procedure is ready to start.<a name="line.86"></a>
-<span class="sourceLineNo">087</span> // If there are gaps in the sum of the stackIds we need to read more WALs.<a name="line.87"></a>
-<span class="sourceLineNo">088</span> //<a name="line.88"></a>
-<span class="sourceLineNo">089</span> // Example (all procs child of A):<a name="line.89"></a>
-<span class="sourceLineNo">090</span> // WAL-2: [A, B] A stackIds = [0, 4], B stackIds = [1, 5]<a name="line.90"></a>
-<span class="sourceLineNo">091</span> // WAL-1: [A, B, C, D]<a name="line.91"></a>
-<span class="sourceLineNo">092</span> //<a name="line.92"></a>
-<span class="sourceLineNo">093</span> // In the case above we need to read one more WAL to be able to consider<a name="line.93"></a>
-<span class="sourceLineNo">094</span> // the root procedure A and all children as ready.<a name="line.94"></a>
-<span class="sourceLineNo">095</span> // ==============================================================================================<a name="line.95"></a>
-<span class="sourceLineNo">096</span> private final WALProcedureMap localProcedureMap = new WALProcedureMap(1024);<a name="line.96"></a>
-<span class="sourceLineNo">097</span> private final WALProcedureMap procedureMap = new WALProcedureMap(1024);<a name="line.97"></a>
-<span class="sourceLineNo">098</span><a name="line.98"></a>
-<span class="sourceLineNo">099</span> private final ProcedureWALFormat.Loader loader;<a name="line.99"></a>
-<span class="sourceLineNo">100</span><a name="line.100"></a>
-<span class="sourceLineNo">101</span> /**<a name="line.101"></a>
-<span class="sourceLineNo">102</span> * Global tracker that will be used by the WALProcedureStore after load.<a name="line.102"></a>
-<span class="sourceLineNo">103</span> * If the last WAL was closed cleanly we already have a full tracker ready to be used.<a name="line.103"></a>
-<span class="sourceLineNo">104</span> * If the last WAL was truncated (e.g. master killed) the tracker will be empty<a name="line.104"></a>
-<span class="sourceLineNo">105</span> * and the 'partial' flag will be set. In this case, on WAL replay we are going<a name="line.105"></a>
-<span class="sourceLineNo">106</span> * to rebuild the tracker.<a name="line.106"></a>
-<span class="sourceLineNo">107</span> */<a name="line.107"></a>
-<span class="sourceLineNo">108</span> private final ProcedureStoreTracker tracker;<a name="line.108"></a>
-<span class="sourceLineNo">109</span><a name="line.109"></a>
-<span class="sourceLineNo">110</span> /**<a name="line.110"></a>
-<span class="sourceLineNo">111</span> * If tracker for a log file is partial (see {@link ProcedureStoreTracker#partial}), we re-build<a name="line.111"></a>
-<span class="sourceLineNo">112</span> * the list of procedures modified in that WAL because we need it for log cleaning purposes. If<a name="line.112"></a>
-<span class="sourceLineNo">113</span> * all procedures modified in a WAL are found to be obsolete, it can be safely deleted. (see<a name="line.113"></a>
-<span class="sourceLineNo">114</span> * {@link WALProcedureStore#removeInactiveLogs()}).<a name="line.114"></a>
-<span class="sourceLineNo">115</span> * <p/><a name="line.115"></a>
-<span class="sourceLineNo">116</span> * Notice that, the deleted part for this tracker will not be global valid as we can only count<a name="line.116"></a>
-<span class="sourceLineNo">117</span> * the deletes in the current file, but it is not big problem as finally, the above tracker will<a name="line.117"></a>
-<span class="sourceLineNo">118</span> * have the global state of deleted, and it will also be used to build the cleanup tracker.<a name="line.118"></a>
-<span class="sourceLineNo">119</span> */<a name="line.119"></a>
-<span class="sourceLineNo">120</span> private ProcedureStoreTracker localTracker;<a name="line.120"></a>
-<span class="sourceLineNo">121</span><a name="line.121"></a>
-<span class="sourceLineNo">122</span> private long maxProcId = 0;<a name="line.122"></a>
-<span class="sourceLineNo">123</span><a name="line.123"></a>
-<span class="sourceLineNo">124</span> public ProcedureWALFormatReader(final ProcedureStoreTracker tracker,<a name="line.124"></a>
-<span class="sourceLineNo">125</span> ProcedureWALFormat.Loader loader) {<a name="line.125"></a>
-<span class="sourceLineNo">126</span> this.tracker = tracker;<a name="line.126"></a>
-<span class="sourceLineNo">127</span> this.loader = loader;<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> public void read(ProcedureWALFile log) throws IOException {<a name="line.130"></a>
-<span class="sourceLineNo">131</span> localTracker = log.getTracker();<a name="line.131"></a>
-<span class="sourceLineNo">132</span> if (localTracker.isPartial()) {<a name="line.132"></a>
-<span class="sourceLineNo">133</span> LOG.info("Rebuilding tracker for {}", log);<a name="line.133"></a>
-<span class="sourceLineNo">134</span> }<a name="line.134"></a>
-<span class="sourceLineNo">135</span><a name="line.135"></a>
-<span class="sourceLineNo">136</span> long count = 0;<a name="line.136"></a>
-<span class="sourceLineNo">137</span> FSDataInputStream stream = log.getStream();<a name="line.137"></a>
-<span class="sourceLineNo">138</span> try {<a name="line.138"></a>
-<span class="sourceLineNo">139</span> boolean hasMore = true;<a name="line.139"></a>
-<span class="sourceLineNo">140</span> while (hasMore) {<a name="line.140"></a>
-<span class="sourceLineNo">141</span> ProcedureWALEntry entry = ProcedureWALFormat.readEntry(stream);<a name="line.141"></a>
-<span class="sourceLineNo">142</span> if (entry == null) {<a name="line.142"></a>
-<span class="sourceLineNo">143</span> LOG.warn("Nothing left to decode. Exiting with missing EOF, log={}", log);<a name="line.143"></a>
-<span class="sourceLineNo">144</span> break;<a name="line.144"></a>
-<span class="sourceLineNo">145</span> }<a name="line.145"></a>
-<span class="sourceLineNo">146</span> count++;<a name="line.146"></a>
-<span class="sourceLineNo">147</span> switch (entry.getType()) {<a name="line.147"></a>
-<span class="sourceLineNo">148</span> case PROCEDURE_WAL_INIT:<a name="line.148"></a>
-<span class="sourceLineNo">149</span> readInitEntry(entry);<a name="line.149"></a>
-<span class="sourceLineNo">150</span> break;<a name="line.150"></a>
-<span class="sourceLineNo">151</span> case PROCEDURE_WAL_INSERT:<a name="line.151"></a>
-<span class="sourceLineNo">152</span> readInsertEntry(entry);<a name="line.152"></a>
-<span class="sourceLineNo">153</span> break;<a name="line.153"></a>
-<span class="sourceLineNo">154</span> case PROCEDURE_WAL_UPDATE:<a name="line.154"></a>
-<span class="sourceLineNo">155</span> case PROCEDURE_WAL_COMPACT:<a name="line.155"></a>
-<span class="sourceLineNo">156</span> readUpdateEntry(entry);<a name="line.156"></a>
-<span class="sourceLineNo">157</span> break;<a name="line.157"></a>
-<span class="sourceLineNo">158</span> case PROCEDURE_WAL_DELETE:<a name="line.158"></a>
-<span class="sourceLineNo">159</span> readDeleteEntry(entry);<a name="line.159"></a>
-<span class="sourceLineNo">160</span> break;<a name="line.160"></a>
-<span class="sourceLineNo">161</span> case PROCEDURE_WAL_EOF:<a name="line.161"></a>
-<span class="sourceLineNo">162</span> hasMore = false;<a name="line.162"></a>
-<span class="sourceLineNo">163</span> break;<a name="line.163"></a>
-<span class="sourceLineNo">164</span> default:<a name="line.164"></a>
-<span class="sourceLineNo">165</span> throw new CorruptedWALProcedureStoreException("Invalid entry: " + entry);<a name="line.165"></a>
-<span class="sourceLineNo">166</span> }<a name="line.166"></a>
-<span class="sourceLineNo">167</span> }<a name="line.167"></a>
-<span class="sourceLineNo">168</span> LOG.info("Read {} entries in {}", count, log);<a name="line.168"></a>
-<span class="sourceLineNo">169</span> } catch (InvalidProtocolBufferException e) {<a name="line.169"></a>
-<span class="sourceLineNo">170</span> LOG.error("While reading entry #{} in {}", count, log, e);<a name="line.170"></a>
-<span class="sourceLineNo">171</span> loader.markCorruptedWAL(log, e);<a name="line.171"></a>
-<span class="sourceLineNo">172</span> }<a name="line.172"></a>
-<span class="sourceLineNo">173</span><a name="line.173"></a>
-<span class="sourceLineNo">174</span> if (!localProcedureMap.isEmpty()) {<a name="line.174"></a>
-<span class="sourceLineNo">175</span> log.setProcIds(localProcedureMap.getMinModifiedProcId(),<a name="line.175"></a>
-<span class="sourceLineNo">176</span> localProcedureMap.getMaxModifiedProcId());<a name="line.176"></a>
-<span class="sourceLineNo">177</span> if (localTracker.isPartial()) {<a name="line.177"></a>
-<span class="sourceLineNo">178</span> localTracker.setMinMaxModifiedProcIds(localProcedureMap.getMinModifiedProcId(),<a name="line.178"></a>
-<span class="sourceLineNo">179</span> localProcedureMap.getMaxModifiedProcId());<a name="line.179"></a>
-<span class="sourceLineNo">180</span> }<a name="line.180"></a>
-<span class="sourceLineNo">181</span> procedureMap.mergeTail(localProcedureMap);<a name="line.181"></a>
-<span class="sourceLineNo">182</span> }<a name="line.182"></a>
-<span class="sourceLineNo">183</span> if (localTracker.isPartial()) {<a name="line.183"></a>
-<span class="sourceLineNo">184</span> localTracker.setPartialFlag(false);<a name="line.184"></a>
+<span class="sourceLineNo">022</span>import org.apache.hadoop.hbase.procedure2.store.ProcedureStoreTracker;<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>import org.slf4j.Logger;<a name="line.24"></a>
+<span class="sourceLineNo">025</span>import org.slf4j.LoggerFactory;<a name="line.25"></a>
+<span class="sourceLineNo">026</span><a name="line.26"></a>
+<span class="sourceLineNo">027</span>import org.apache.hbase.thirdparty.com.google.protobuf.InvalidProtocolBufferException;<a name="line.27"></a>
+<span class="sourceLineNo">028</span><a name="line.28"></a>
+<span class="sourceLineNo">029</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.ProcedureProtos;<a name="line.29"></a>
+<span class="sourceLineNo">030</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.ProcedureProtos.ProcedureWALEntry;<a name="line.30"></a>
+<span class="sourceLineNo">031</span><a name="line.31"></a>
+<span class="sourceLineNo">032</span>/**<a name="line.32"></a>
+<span class="sourceLineNo">033</span> * Helper class that loads the procedures stored in a WAL.<a name="line.33"></a>
+<span class="sourceLineNo">034</span> */<a name="line.34"></a>
+<span class="sourceLineNo">035</span>@InterfaceAudience.Private<a name="line.35"></a>
+<span class="sourceLineNo">036</span>public class ProcedureWALFormatReader {<a name="line.36"></a>
+<span class="sourceLineNo">037</span> private static final Logger LOG = LoggerFactory.getLogger(ProcedureWALFormatReader.class);<a name="line.37"></a>
+<span class="sourceLineNo">038</span><a name="line.38"></a>
+<span class="sourceLineNo">039</span> /**<a name="line.39"></a>
+<span class="sourceLineNo">040</span> * We will use the localProcedureMap to track the active procedures for the current proc wal file,<a name="line.40"></a>
+<span class="sourceLineNo">041</span> * and when we finished reading one proc wal file, we will merge he localProcedureMap to the<a name="line.41"></a>
+<span class="sourceLineNo">042</span> * procedureMap, which tracks the global active procedures.<a name="line.42"></a>
+<span class="sourceLineNo">043</span> * <p/><a name="line.43"></a>
+<span class="sourceLineNo">044</span> * See the comments of {@link WALProcedureMap} for more details.<a name="line.44"></a>
+<span class="sourceLineNo">045</span> * <p/><a name="line.45"></a>
+<span class="sourceLineNo">046</span> * After reading all the proc wal files, we will use the procedures in the procedureMap to build a<a name="line.46"></a>
+<span class="sourceLineNo">047</span> * {@link WALProcedureTree}, and then give the result to the upper layer. See the comments of<a name="line.47"></a>
+<span class="sourceLineNo">048</span> * {@link WALProcedureTree} and the code in {@link #finish()} for more details.<a name="line.48"></a>
+<span class="sourceLineNo">049</span> */<a name="line.49"></a>
+<span class="sourceLineNo">050</span> private final WALProcedureMap localProcedureMap = new WALProcedureMap();<a name="line.50"></a>
+<span class="sourceLineNo">051</span> private final WALProcedureMap procedureMap = new WALProcedureMap();<a name="line.51"></a>
+<span class="sourceLineNo">052</span><a name="line.52"></a>
+<span class="sourceLineNo">053</span> private final ProcedureWALFormat.Loader loader;<a name="line.53"></a>
+<span class="sourceLineNo">054</span><a name="line.54"></a>
+<span class="sourceLineNo">055</span> /**<a name="line.55"></a>
+<span class="sourceLineNo">056</span> * Global tracker that will be used by the WALProcedureStore after load.<a name="line.56"></a>
+<span class="sourceLineNo">057</span> * If the last WAL was closed cleanly we already have a full tracker ready to be used.<a name="line.57"></a>
+<span class="sourceLineNo">058</span> * If the last WAL was truncated (e.g. master killed) the tracker will be empty<a name="line.58"></a>
+<span class="sourceLineNo">059</span> * and the 'partial' flag will be set. In this case, on WAL replay we are going<a name="line.59"></a>
+<span class="sourceLineNo">060</span> * to rebuild the tracker.<a name="line.60"></a>
+<span class="sourceLineNo">061</span> */<a name="line.61"></a>
+<span class="sourceLineNo">062</span> private final ProcedureStoreTracker tracker;<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> * If tracker for a log file is partial (see {@link ProcedureStoreTracker#partial}), we re-build<a name="line.65"></a>
+<span class="sourceLineNo">066</span> * the list of procedures modified in that WAL because we need it for log cleaning purposes. If<a name="line.66"></a>
+<span class="sourceLineNo">067</span> * all procedures modified in a WAL are found to be obsolete, it can be safely deleted. (see<a name="line.67"></a>
+<span class="sourceLineNo">068</span> * {@link WALProcedureStore#removeInactiveLogs()}).<a name="line.68"></a>
+<span class="sourceLineNo">069</span> * <p/><a name="line.69"></a>
+<span class="sourceLineNo">070</span> * Notice that, the deleted part for this tracker will not be global valid as we can only count<a name="line.70"></a>
+<span class="sourceLineNo">071</span> * the deletes in the current file, but it is not big problem as finally, the above tracker will<a name="line.71"></a>
+<span class="sourceLineNo">072</span> * have the global state of deleted, and it will also be used to build the cleanup tracker.<a name="line.72"></a>
+<span class="sourceLineNo">073</span> */<a name="line.73"></a>
+<span class="sourceLineNo">074</span> private ProcedureStoreTracker localTracker;<a name="line.74"></a>
+<span class="sourceLineNo">075</span><a name="line.75"></a>
+<span class="sourceLineNo">076</span> private long maxProcId = 0;<a name="line.76"></a>
+<span class="sourceLineNo">077</span><a name="line.77"></a>
+<span class="sourceLineNo">078</span> public ProcedureWALFormatReader(final ProcedureStoreTracker tracker,<a name="line.78"></a>
+<span class="sourceLineNo">079</span> ProcedureWALFormat.Loader loader) {<a name="line.79"></a>
+<span class="sourceLineNo">080</span> this.tracker = tracker;<a name="line.80"></a>
+<span class="sourceLineNo">081</span> this.loader = loader;<a name="line.81"></a>
+<span class="sourceLineNo">082</span> }<a name="line.82"></a>
+<span class="sourceLineNo">083</span><a name="line.83"></a>
+<span class="sourceLineNo">084</span> public void read(ProcedureWALFile log) throws IOException {<a name="line.84"></a>
+<span class="sourceLineNo">085</span> localTracker = log.getTracker();<a name="line.85"></a>
+<span class="sourceLineNo">086</span> if (localTracker.isPartial()) {<a name="line.86"></a>
+<span class="sourceLineNo">087</span> LOG.info("Rebuilding tracker for {}", log);<a name="line.87"></a>
+<span class="sourceLineNo">088</span> }<a name="line.88"></a>
+<span class="sourceLineNo">089</span><a name="line.89"></a>
+<span class="sourceLineNo">090</span> long count = 0;<a name="line.90"></a>
+<span class="sourceLineNo">091</span> FSDataInputStream stream = log.getStream();<a name="line.91"></a>
+<span class="sourceLineNo">092</span> try {<a name="line.92"></a>
+<span class="sourceLineNo">093</span> boolean hasMore = true;<a name="line.93"></a>
+<span class="sourceLineNo">094</span> while (hasMore) {<a name="line.94"></a>
+<span class="sourceLineNo">095</span> ProcedureWALEntry entry = ProcedureWALFormat.readEntry(stream);<a name="line.95"></a>
+<span class="sourceLineNo">096</span> if (entry == null) {<a name="line.96"></a>
+<span class="sourceLineNo">097</span> LOG.warn("Nothing left to decode. Exiting with missing EOF, log={}", log);<a name="line.97"></a>
+<span class="sourceLineNo">098</span> break;<a name="line.98"></a>
+<span class="sourceLineNo">099</span> }<a name="line.99"></a>
+<span class="sourceLineNo">100</span> count++;<a name="line.100"></a>
+<span class="sourceLineNo">101</span> switch (entry.getType()) {<a name="line.101"></a>
+<span class="sourceLineNo">102</span> case PROCEDURE_WAL_INIT:<a name="line.102"></a>
+<span class="sourceLineNo">103</span> readInitEntry(entry);<a name="line.103"></a>
+<span class="sourceLineNo">104</span> break;<a name="line.104"></a>
+<span class="sourceLineNo">105</span> case PROCEDURE_WAL_INSERT:<a name="line.105"></a>
+<span class="sourceLineNo">106</span> readInsertEntry(entry);<a name="line.106"></a>
+<span class="sourceLineNo">107</span> break;<a name="line.107"></a>
+<span class="sourceLineNo">108</span> case PROCEDURE_WAL_UPDATE:<a name="line.108"></a>
+<span class="sourceLineNo">109</span> case PROCEDURE_WAL_COMPACT:<a name="line.109"></a>
+<span class="sourceLineNo">110</span> readUpdateEntry(entry);<a name="line.110"></a>
+<span class="sourceLineNo">111</span> break;<a name="line.111"></a>
+<span class="sourceLineNo">112</span> case PROCEDURE_WAL_DELETE:<a name="line.112"></a>
+<span class="sourceLineNo">113</span> readDeleteEntry(entry);<a name="line.113"></a>
+<span class="sourceLineNo">114</span> break;<a name="line.114"></a>
+<span class="sourceLineNo">115</span> case PROCEDURE_WAL_EOF:<a name="line.115"></a>
+<span class="sourceLineNo">116</span> hasMore = false;<a name="line.116"></a>
+<span class="sourceLineNo">117</span> break;<a name="line.117"></a>
+<span class="sourceLineNo">118</span> default:<a name="line.118"></a>
+<span class="sourceLineNo">119</span> throw new CorruptedWALProcedureStoreException("Invalid entry: " + entry);<a name="line.119"></a>
+<span class="sourceLineNo">120</span> }<a name="line.120"></a>
+<span class="sourceLineNo">121</span> }<a name="line.121"></a>
+<span class="sourceLineNo">122</span> LOG.info("Read {} entries in {}", count, log);<a name="line.122"></a>
+<span class="sourceLineNo">123</span> } catch (InvalidProtocolBufferException e) {<a name="line.123"></a>
+<span class="sourceLineNo">124</span> LOG.error("While reading entry #{} in {}", count, log, e);<a name="line.124"></a>
+<span class="sourceLineNo">125</span> loader.markCorruptedWAL(log, e);<a name="line.125"></a>
+<span class="sourceLineNo">126</span> }<a name="line.126"></a>
+<span class="sourceLineNo">127</span><a name="line.127"></a>
+<span class="sourceLineNo">128</span> if (!localProcedureMap.isEmpty()) {<a name="line.128"></a>
+<span class="sourceLineNo">129</span> log.setProcIds(localProcedureMap.getMinModifiedProcId(),<a name="line.129"></a>
+<span class="sourceLineNo">130</span> localProcedureMap.getMaxModifiedProcId());<a name="line.130"></a>
+<span class="sourceLineNo">131</span> if (localTracker.isPartial()) {<a name="line.131"></a>
+<span class="sourceLineNo">132</span> localTracker.setMinMaxModifiedProcIds(localProcedureMap.getMinModifiedProcId(),<a name="line.132"></a>
+<span class="sourceLineNo">133</span> localProcedureMap.getMaxModifiedProcId());<a name="line.133"></a>
+<span class="sourceLineNo">134</span> }<a name="line.134"></a>
+<span class="sourceLineNo">135</span> procedureMap.merge(localProcedureMap);<a name="line.135"></a>
+<span class="sourceLineNo">136</span> }<a name="line.136"></a>
+<span class="sourceLineNo">137</span> if (localTracker.isPartial()) {<a name="line.137"></a>
+<span class="sourceLineNo">138</span> localTracker.setPartialFlag(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><a name="line.141"></a>
+<span class="sourceLineNo">142</span> public void finish() throws IOException {<a name="line.142"></a>
+<span class="sourceLineNo">143</span> // notify the loader about the max proc ID<a name="line.143"></a>
+<span class="sourceLineNo">144</span> loader.setMaxProcId(maxProcId);<a name="line.144"></a>
+<span class="sourceLineNo">145</span><a name="line.145"></a>
+<span class="sourceLineNo">146</span> // build the procedure execution tree. When building we will verify that whether a procedure is<a name="line.146"></a>
+<span class="sourceLineNo">147</span> // valid.<a name="line.147"></a>
+<span class="sourceLineNo">148</span> WALProcedureTree tree = WALProcedureTree.build(procedureMap.getProcedures());<a name="line.148"></a>
+<span class="sourceLineNo">149</span> loader.load(tree.getValidProcs());<a name="line.149"></a>
+<span class="sourceLineNo">150</span> loader.handleCorrupted(tree.getCorruptedProcs());<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> private void setDeletedIfPartial(ProcedureStoreTracker tracker, long procId) {<a name="line.153"></a>
+<span class="sourceLineNo">154</span> if (tracker.isPartial()) {<a name="line.154"></a>
+<span class="sourceLineNo">155</span> tracker.setDeleted(procId, true);<a name="line.155"></a>
+<span class="sourceLineNo">156</span> }<a name="line.156"></a>
+<span class="sourceLineNo">157</span> }<a name="line.157"></a>
+<span class="sourceLineNo">158</span><a name="line.158"></a>
+<span class="sourceLineNo">159</span> private void insertIfPartial(ProcedureStoreTracker tracker, ProcedureProtos.Procedure proc) {<a name="line.159"></a>
+<span class="sourceLineNo">160</span> if (tracker.isPartial()) {<a name="line.160"></a>
+<span class="sourceLineNo">161</span> tracker.insert(proc.getProcId());<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> private void loadProcedure(ProcedureWALEntry entry, ProcedureProtos.Procedure proc) {<a name="line.165"></a>
+<span class="sourceLineNo">166</span> maxProcId = Math.max(maxProcId, proc.getProcId());<a name="line.166"></a>
+<span class="sourceLineNo">167</span> if (isRequired(proc.getProcId())) {<a name="line.167"></a>
+<span class="sourceLineNo">168</span> LOG.trace("Read {} entry {}", entry.getType(), proc.getProcId());<a name="line.168"></a>
+<span class="sourceLineNo">169</span> localProcedureMap.add(proc);<a name="line.169"></a>
+<span class="sourceLineNo">170</span> insertIfPartial(tracker, proc);<a name="line.170"></a>
+<span class="sourceLineNo">171</span> }<a name="line.171"></a>
+<span class="sourceLineNo">172</span> insertIfPartial(localTracker, proc);<a name="line.172"></a>
+<span class="sourceLineNo">173</span> }<a name="line.173"></a>
+<span class="sourceLineNo">174</span><a name="line.174"></a>
+<span class="sourceLineNo">175</span> private void readInitEntry(ProcedureWALEntry entry) {<a name="line.175"></a>
+<span class="sourceLineNo">176</span> assert entry.getProcedureCount() == 1 : "Expected only one procedure";<a name="line.176"></a>
+<span class="sourceLineNo">177</span> loadProcedure(entry, entry.getProcedure(0));<a name="line.177"></a>
+<span class="sourceLineNo">178</span> }<a name="line.178"></a>
+<span class="sourceLineNo">179</span><a name="line.179"></a>
+<span class="sourceLineNo">180</span> private void readInsertEntry(ProcedureWALEntry entry) {<a name="line.180"></a>
+<span class="sourceLineNo">181</span> assert entry.getProcedureCount() >= 1 : "Expected one or more procedures";<a name="line.181"></a>
+<span class="sourceLineNo">182</span> loadProcedure(entry, entry.getProcedure(0));<a name="line.182"></a>
+<span class="sourceLineNo">183</span> for (int i = 1; i < entry.getProcedureCount(); ++i) {<a name="line.183"></a>
+<span class="sourceLineNo">184</span> loadProcedure(entry, entry.getProcedure(i));<a name="line.184"></a>
<span class="sourceLineNo">185</span> }<a name="line.185"></a>
<span class="sourceLineNo">186</span> }<a name="line.186"></a>
<span class="sourceLineNo">187</span><a name="line.187"></a>
-<span class="sourceLineNo">188</span> public void finish() throws IOException {<a name="line.188"></a>
-<span class="sourceLineNo">189</span> // notify the loader about the max proc ID<a name="line.189"></a>
-<span class="sourceLineNo">190</span> loader.setMaxProcId(maxProcId);<a name="line.190"></a>
-<span class="sourceLineNo">191</span><a name="line.191"></a>
-<span class="sourceLineNo">192</span> // fetch the procedure ready to run.<a name="line.192"></a>
-<span class="sourceLineNo">193</span> ProcedureIterator procIter = procedureMap.fetchReady();<a name="line.193"></a>
-<span class="sourceLineNo">194</span> if (procIter != null) {<a name="line.194"></a>
-<span class="sourceLineNo">195</span> loader.load(procIter);<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> // remaining procedures have missing link or dependencies<a name="line.198"></a>
-<span class="sourceLineNo">199</span> // consider them as corrupted, manual fix is probably required.<a name="line.199"></a>
-<span class="sourceLineNo">200</span> procIter = procedureMap.fetchAll();<a name="line.200"></a>
-<span class="sourceLineNo">201</span> if (procIter != null) {<a name="line.201"></a>
-<span class="sourceLineNo">202</span> loader.handleCorrupted(procIter);<a name="line.202"></a>
-<span class="sourceLineNo">203</span> }<a name="line.203"></a>
-<span class="sourceLineNo">204</span> }<a name="line.204"></a>
-<span class="sourceLineNo">205</span><a name="line.205"></a>
-<span class="sourceLineNo">206</span> private void setDeletedIfPartial(ProcedureStoreTracker tracker, long procId) {<a name="line.206"></a>
-<span class="sourceLineNo">207</span> if (tracker.isPartial()) {<a name="line.207"></a>
-<span class="sourceLineNo">208</span> tracker.setDeleted(procId, true);<a name="line.208"></a>
-<span class="sourceLineNo">209</span> }<a name="line.209"></a>
-<span class="sourceLineNo">210</span> }<a name="line.210"></a>
-<span class="sourceLineNo">211</span><a name="line.211"></a>
-<span class="sourceLineNo">212</span> private void insertIfPartial(ProcedureStoreTracker tracker, ProcedureProtos.Procedure proc) {<a name="line.212"></a>
-<span class="sourceLineNo">213</span> if (tracker.isPartial()) {<a name="line.213"></a>
-<span class="sourceLineNo">214</span> tracker.insert(proc.getProcId());<a name="line.214"></a>
-<span class="sourceLineNo">215</span> }<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> private void loadProcedure(ProcedureWALEntry entry, ProcedureProtos.Procedure proc) {<a name="line.218"></a>
-<span class="sourceLineNo">219</span> maxProcId = Math.max(maxProcId, proc.getProcId());<a name="line.219"></a>
-<span class="sourceLineNo">220</span> if (isRequired(proc.getProcId())) {<a name="line.220"></a>
-<span class="sourceLineNo">221</span> LOG.trace("Read {} entry {}", entry.getType(), proc.getProcId());<a name="line.221"></a>
-<span class="sourceLineNo">222</span> localProcedureMap.add(proc);<a name="line.222"></a>
-<span class="sourceLineNo">223</span> insertIfPartial(tracker, proc);<a name="line.223"></a>
-<span class="sourceLineNo">224</span> }<a name="line.224"></a>
-<span class="sourceLineNo">225</span> insertIfPartial(localTracker, proc);<a name="line.225"></a>
-<span class="sourceLineNo">226</span> }<a name="line.226"></a>
-<span class="sourceLineNo">227</span><a name="line.227"></a>
-<span class="sourceLineNo">228</span> private void readInitEntry(ProcedureWALEntry entry) {<a name="line.228"></a>
-<span class="sourceLineNo">229</span> assert entry.getProcedureCount() == 1 : "Expected only one procedure";<a name="line.229"></a>
-<span class="sourceLineNo">230</span> loadProcedure(entry, entry.getProcedure(0));<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> private void readInsertEntry(ProcedureWALEntry entry) {<a name="line.233"></a>
-<span class="sourceLineNo">234</span> assert entry.getProcedureCount() >= 1 : "Expected one or more procedures";<a name="line.234"></a>
-<span class="sourceLineNo">235</span> loadProcedure(entry, entry.getProcedure(0));<a name="line.235"></a>
-<span class="sourceLineNo">236</span> for (int i = 1; i < entry.getProcedureCount(); ++i) {<a name="line.236"></a>
-<span class="sourceLineNo">237</span> loadProcedure(entry, entry.getProcedure(i));<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><a name="line.240"></a>
-<span class="sourceLineNo">241</span> private void readUpdateEntry(ProcedureWALEntry entry) {<a name="line.241"></a>
-<span class="sourceLineNo">242</span> assert entry.getProcedureCount() == 1 : "Expected only one procedure";<a name="line.242"></a>
-<span class="sourceLineNo">243</span> loadProcedure(entry, entry.getProcedure(0));<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> private void readDeleteEntry(ProcedureWALEntry entry) {<a name="line.246"></a>
-<span class="sourceLineNo">247</span> assert entry.hasProcId() : "expected ProcID";<a name="line.247"></a>
-<span class="sourceLineNo">248</span><a name="line.248"></a>
-<span class="sourceLineNo">249</span> if (entry.getChildIdCount() > 0) {<a name="line.249"></a>
-<span class="sourceLineNo">250</span> assert entry.getProcedureCount() == 1 : "Expected only one procedure";<a name="line.250"></a>
-<span class="sourceLineNo">251</span><a name="line.251"></a>
-<span class="sourceLineNo">252</span> // update the parent procedure<a name="line.252"></a>
-<span class="sourceLineNo">253</span> loadProcedure(entry, entry.getProcedure(0));<a name="line.253"></a>
-<span class="sourceLineNo">254</span><a name="line.254"></a>
-<span class="sourceLineNo">255</span> // remove the child procedures of entry.getProcId()<a name="line.255"></a>
-<span class="sourceLineNo">256</span> for (int i = 0, count = entry.getChildIdCount(); i < count; ++i) {<a name="line.256"></a>
-<span class="sourceLineNo">257</span> deleteEntry(entry.getChildId(i));<a name="line.257"></a>
-<span class="sourceLineNo">258</span> }<a name="line.258"></a>
-<span class="sourceLineNo">259</span> } else {<a name="line.259"></a>
-<span class="sourceLineNo">260</span> assert entry.getProcedureCount() == 0 : "Expected no procedures";<a name="line.260"></a>
-<span class="sourceLineNo">261</span><a name="line.261"></a>
-<span class="sourceLineNo">262</span> // delete the procedure<a name="line.262"></a>
-<span class="sourceLineNo">263</span> deleteEntry(entry.getProcId());<a name="line.263"></a>
-<span class="sourceLineNo">264</span> }<a name="line.264"></a>
-<span class="sourceLineNo">265</span> }<a name="line.265"></a>
-<span class="sourceLineNo">266</span><a name="line.266"></a>
-<span class="sourceLineNo">267</span> private void deleteEntry(final long procId) {<a name="line.267"></a>
-<span class="sourceLineNo">268</span> LOG.trace("delete entry {}", procId);<a name="line.268"></a>
-<span class="sourceLineNo">269</span> maxProcId = Math.max(maxProcId, procId);<a name="line.269"></a>
-<span class="sourceLineNo">270</span> localProcedureMap.remove(procId);<a name="line.270"></a>
-<span class="sourceLineNo">271</span> assert !procedureMap.contains(procId);<a name="line.271"></a>
-<span class="sourceLineNo">272</span> setDeletedIfPartial(tracker, procId);<a name="line.272"></a>
-<span class="sourceLineNo">273</span> setDeletedIfPartial(localTracker, procId);<a name="line.273"></a>
-<span class="sourceLineNo">274</span> }<a name="line.274"></a>
-<span class="sourceLineNo">275</span><a name="line.275"></a>
-<span class="sourceLineNo">276</span> private boolean isDeleted(long procId) {<a name="line.276"></a>
-<span class="sourceLineNo">277</span> return tracker.isDeleted(procId) == ProcedureStoreTracker.DeleteState.YES;<a name="line.277"></a>
-<span class="sourceLineNo">278</span> }<a name="line.278"></a>
-<span class="sourceLineNo">279</span><a name="line.279"></a>
-<span class="sourceLineNo">280</span> private boolean isRequired(long procId) {<a name="line.280"></a>
-<span class="sourceLineNo">281</span> return !isDeleted(procId) && !procedureMap.contains(procId);<a name="line.281"></a>
-<span class="sourceLineNo">282</span> }<a name="line.282"></a>
-<span class="sourceLineNo">283</span>}<a name="line.283"></a>
+<span class="sourceLineNo">188</span> private void readUpdateEntry(ProcedureWALEntry entry) {<a name="line.188"></a>
+<span class="sourceLineNo">189</span> assert entry.getProcedureCount() == 1 : "Expected only one procedure";<a name="line.189"></a>
+<span class="sourceLineNo">190</span> loadProcedure(entry, entry.getProcedure(0));<a name="line.190"></a>
+<span class="sourceLineNo">191</span> }<a name="line.191"></a>
+<span class="sourceLineNo">192</span><a name="line.192"></a>
+<span class="sourceLineNo">193</span> private void readDeleteEntry(ProcedureWALEntry entry) {<a name="line.193"></a>
+<span class="sourceLineNo">194</span> assert entry.hasProcId() : "expected ProcID";<a name="line.194"></a>
+<span class="sourceLineNo">195</span><a name="line.195"></a>
+<span class="sourceLineNo">196</span> if (entry.getChildIdCount() > 0) {<a name="line.196"></a>
+<span class="sourceLineNo">197</span> assert entry.getProcedureCount() == 1 : "Expected only one procedure";<a name="line.197"></a>
+<span class="sourceLineNo">198</span><a name="line.198"></a>
+<span class="sourceLineNo">199</span> // update the parent procedure<a name="line.199"></a>
+<span class="sourceLineNo">200</span> loadProcedure(entry, entry.getProcedure(0));<a name="line.200"></a>
+<span class="sourceLineNo">201</span><a name="line.201"></a>
+<span class="sourceLineNo">202</span> // remove the child procedures of entry.getProcId()<a name="line.202"></a>
+<span class="sourceLineNo">203</span> for (int i = 0, count = entry.getChildIdCount(); i < count; ++i) {<a name="line.203"></a>
+<span class="sourceLineNo">204</span> deleteEntry(entry.getChildId(i));<a name="line.204"></a>
+<span class="sourceLineNo">205</span> }<a name="line.205"></a>
+<span class="sourceLineNo">206</span> } else {<a name="line.206"></a>
+<span class="sourceLineNo">207</span> assert entry.getProcedureCount() == 0 : "Expected no procedures";<a name="line.207"></a>
+<span class="sourceLineNo">208</span><a name="line.208"></a>
+<span class="sourceLineNo">209</span> // delete the procedure<a name="line.209"></a>
+<span class="sourceLineNo">210</span> deleteEntry(entry.getProcId());<a name="line.210"></a>
+<span class="sourceLineNo">211</span> }<a name="line.211"></a>
+<span class="sourceLineNo">212</span> }<a name="line.212"></a>
+<span class="sourceLineNo">213</span><a name="line.213"></a>
+<span class="sourceLineNo">214</span> private void deleteEntry(final long procId) {<a name="line.214"></a>
+<span class="sourceLineNo">215</span> LOG.trace("delete entry {}", procId);<a name="line.215"></a>
+<span class="sourceLineNo">216</span> maxProcId = Math.max(maxProcId, procId);<a name="line.216"></a>
+<span class="sourceLineNo">217</span> localProcedureMap.remove(procId);<a name="line.217"></a>
+<span class="sourceLineNo">218</span> assert !procedureMap.contains(procId);<a name="line.218"></a>
+<span class="sourceLineNo">219</span> setDeletedIfPartial(tracker, procId);<a name="line.219"></a>
+<span class="sourceLineNo">220</span> setDeletedIfPartial(localTracker, procId);<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> private boolean isDeleted(long procId) {<a name="line.223"></a>
+<span class="sourceLineNo">224</span> return tracker.isDeleted(procId) == ProcedureStoreTracker.DeleteState.YES;<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 boolean isRequired(long procId) {<a name="line.227"></a>
+<span class="sourceLineNo">228</span> return !isDeleted(procId) && !procedureMap.contains(procId);<a name="line.228"></a>
+<span class="sourceLineNo">229</span> }<a name="line.229"></a>
+<span class="sourceLineNo">230</span>}<a name="line.230"></a>