http://git-wip-us.apache.org/repos/asf/hbase-site/blob/346adc37/devapidocs/src-html/org/apache/hadoop/hbase/regionserver/HRegion.FlushResultImpl.html ---------------------------------------------------------------------- diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/regionserver/HRegion.FlushResultImpl.html b/devapidocs/src-html/org/apache/hadoop/hbase/regionserver/HRegion.FlushResultImpl.html index a701ece..26ee60a 100644 --- a/devapidocs/src-html/org/apache/hadoop/hbase/regionserver/HRegion.FlushResultImpl.html +++ b/devapidocs/src-html/org/apache/hadoop/hbase/regionserver/HRegion.FlushResultImpl.html @@ -896,7376 +896,7383 @@ <span class="sourceLineNo">888</span> }<a name="line.888"></a> <span class="sourceLineNo">889</span><a name="line.889"></a> <span class="sourceLineNo">890</span> // Write HRI to a file in case we need to recover hbase:meta<a name="line.890"></a> -<span class="sourceLineNo">891</span> status.setStatus("Writing region info on filesystem");<a name="line.891"></a> -<span class="sourceLineNo">892</span> fs.checkRegionInfoOnFilesystem();<a name="line.892"></a> -<span class="sourceLineNo">893</span><a name="line.893"></a> -<span class="sourceLineNo">894</span> // Initialize all the HStores<a name="line.894"></a> -<span class="sourceLineNo">895</span> status.setStatus("Initializing all the Stores");<a name="line.895"></a> -<span class="sourceLineNo">896</span> long maxSeqId = initializeStores(reporter, status);<a name="line.896"></a> -<span class="sourceLineNo">897</span> this.mvcc.advanceTo(maxSeqId);<a name="line.897"></a> -<span class="sourceLineNo">898</span> if (ServerRegionReplicaUtil.shouldReplayRecoveredEdits(this)) {<a name="line.898"></a> -<span class="sourceLineNo">899</span> List<Store> stores = this.getStores(); 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name="line.994"></a> +<span class="sourceLineNo">995</span><a name="line.995"></a> +<span class="sourceLineNo">996</span> long maxSeqId = -1;<a name="line.996"></a> +<span class="sourceLineNo">997</span> // initialized to -1 so that we pick up MemstoreTS from column families<a name="line.997"></a> +<span class="sourceLineNo">998</span> long maxMemstoreTS = -1;<a name="line.998"></a> +<span class="sourceLineNo">999</span><a name="line.999"></a> +<span class="sourceLineNo">1000</span> if (htableDescriptor.getColumnFamilyCount() != 0) {<a name="line.1000"></a> +<span class="sourceLineNo">1001</span> // initialize the thread pool for opening stores in parallel.<a name="line.1001"></a> +<span class="sourceLineNo">1002</span> ThreadPoolExecutor storeOpenerThreadPool =<a name="line.1002"></a> +<span class="sourceLineNo">1003</span> getStoreOpenAndCloseThreadPool("StoreOpener-" + this.getRegionInfo().getShortNameToLog());<a name="line.1003"></a> +<span class="sourceLineNo">1004</span> 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class="sourceLineNo">1013</span> }<a name="line.1013"></a> +<span class="sourceLineNo">1014</span> });<a name="line.1014"></a> +<span class="sourceLineNo">1015</span> }<a name="line.1015"></a> +<span class="sourceLineNo">1016</span> boolean allStoresOpened = false;<a name="line.1016"></a> +<span class="sourceLineNo">1017</span> boolean hasSloppyStores = false;<a name="line.1017"></a> +<span class="sourceLineNo">1018</span> try {<a name="line.1018"></a> +<span class="sourceLineNo">1019</span> for (int i = 0; i < htableDescriptor.getColumnFamilyCount(); i++) {<a name="line.1019"></a> +<span class="sourceLineNo">1020</span> Future<HStore> future = completionService.take();<a name="line.1020"></a> +<span class="sourceLineNo">1021</span> HStore store = future.get();<a name="line.1021"></a> +<span class="sourceLineNo">1022</span> this.stores.put(store.getColumnFamilyDescriptor().getName(), store);<a name="line.1022"></a> +<span class="sourceLineNo">1023</span> if (store.isSloppyMemstore()) 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class="sourceLineNo">1054</span> }<a name="line.1054"></a> -<span class="sourceLineNo">1055</span> }<a name="line.1055"></a> -<span class="sourceLineNo">1056</span> }<a name="line.1056"></a> -<span class="sourceLineNo">1057</span> return Math.max(maxSeqId, maxMemstoreTS + 1);<a name="line.1057"></a> -<span class="sourceLineNo">1058</span> }<a name="line.1058"></a> -<span class="sourceLineNo">1059</span><a name="line.1059"></a> -<span class="sourceLineNo">1060</span> private void initializeWarmup(final CancelableProgressable reporter) throws IOException {<a name="line.1060"></a> -<span class="sourceLineNo">1061</span> MonitoredTask status = TaskMonitor.get().createStatus("Initializing region " + this);<a name="line.1061"></a> -<span class="sourceLineNo">1062</span> // Initialize all the HStores<a name="line.1062"></a> -<span class="sourceLineNo">1063</span> status.setStatus("Warming up all the Stores");<a name="line.1063"></a> -<span class="sourceLineNo">1064</span> try {<a 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name="line.1085"></a> -<span class="sourceLineNo">1086</span> }<a name="line.1086"></a> -<span class="sourceLineNo">1087</span><a name="line.1087"></a> -<span class="sourceLineNo">1088</span> private void writeRegionOpenMarker(WAL wal, long openSeqId) throws IOException {<a name="line.1088"></a> -<span class="sourceLineNo">1089</span> Map<byte[], List<Path>> storeFiles = getStoreFiles();<a name="line.1089"></a> -<span class="sourceLineNo">1090</span> RegionEventDescriptor regionOpenDesc = ProtobufUtil.toRegionEventDescriptor(<a name="line.1090"></a> -<span class="sourceLineNo">1091</span> RegionEventDescriptor.EventType.REGION_OPEN, getRegionInfo(), openSeqId,<a name="line.1091"></a> -<span class="sourceLineNo">1092</span> getRegionServerServices().getServerName(), storeFiles);<a name="line.1092"></a> -<span class="sourceLineNo">1093</span> WALUtil.writeRegionEventMarker(wal, getReplicationScope(), getRegionInfo(), regionOpenDesc,<a name="line.1093"></a> -<span 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name="line.1156"></a> -<span class="sourceLineNo">1157</span> */<a name="line.1157"></a> -<span class="sourceLineNo">1158</span> public static HDFSBlocksDistribution computeHDFSBlocksDistribution(final Configuration conf,<a name="line.1158"></a> -<span class="sourceLineNo">1159</span> final TableDescriptor tableDescriptor, final HRegionInfo regionInfo) throws IOException {<a name="line.1159"></a> -<span class="sourceLineNo">1160</span> Path tablePath = FSUtils.getTableDir(FSUtils.getRootDir(conf), tableDescriptor.getTableName());<a name="line.1160"></a> -<span class="sourceLineNo">1161</span> return computeHDFSBlocksDistribution(conf, tableDescriptor, regionInfo, tablePath);<a name="line.1161"></a> -<span class="sourceLineNo">1162</span> }<a name="line.1162"></a> -<span class="sourceLineNo">1163</span><a name="line.1163"></a> -<span class="sourceLineNo">1164</span> /**<a name="line.1164"></a> -<span class="sourceLineNo">1165</span> * This is a helper function to compute HDFS block 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getRegionServerServices().getServerName(), storeFiles);<a name="line.1099"></a> +<span class="sourceLineNo">1100</span> WALUtil.writeRegionEventMarker(wal, getReplicationScope(), getRegionInfo(), regionOpenDesc,<a name="line.1100"></a> +<span class="sourceLineNo">1101</span> mvcc);<a name="line.1101"></a> +<span class="sourceLineNo">1102</span> }<a name="line.1102"></a> +<span class="sourceLineNo">1103</span><a name="line.1103"></a> +<span class="sourceLineNo">1104</span> private void writeRegionCloseMarker(WAL wal) throws IOException {<a name="line.1104"></a> +<span class="sourceLineNo">1105</span> Map<byte[], List<Path>> storeFiles = getStoreFiles();<a name="line.1105"></a> +<span class="sourceLineNo">1106</span> RegionEventDescriptor regionEventDesc = ProtobufUtil.toRegionEventDescriptor(<a name="line.1106"></a> +<span class="sourceLineNo">1107</span> RegionEventDescriptor.EventType.REGION_CLOSE, getRegionInfo(), mvcc.getReadPoint(),<a name="line.1107"></a> +<span class="sourceLineNo">1108</span> getRegionServerServices().getServerName(), storeFiles);<a name="line.1108"></a> +<span class="sourceLineNo">1109</span> WALUtil.writeRegionEventMarker(wal, getReplicationScope(), getRegionInfo(), regionEventDesc,<a name="line.1109"></a> +<span class="sourceLineNo">1110</span> mvcc);<a name="line.1110"></a> +<span class="sourceLineNo">1111</span><a name="line.1111"></a> +<span class="sourceLineNo">1112</span> // Store SeqId in HDFS when a region closes<a name="line.1112"></a> +<span class="sourceLineNo">1113</span> // checking region folder exists is due to many tests which delete the table folder while a<a name="line.1113"></a> +<span class="sourceLineNo">1114</span> // table is still online<a name="line.1114"></a> +<span class="sourceLineNo">1115</span> if (this.fs.getFileSystem().exists(this.fs.getRegionDir())) {<a name="line.1115"></a> +<span class="sourceLineNo">1116</span> WALSplitter.writeRegionSequenceIdFile(this.fs.getFileSystem(), this.fs.getRegionDir(),<a name="line.1116"></a> +<span class="sourceLineNo">1117</span> mvcc.getReadPoint(), 0);<a name="line.1117"></a> +<span class="sourceLineNo">1118</span> }<a name="line.1118"></a> +<span class="sourceLineNo">1119</span> }<a name="line.1119"></a> +<span class="sourceLineNo">1120</span><a name="line.1120"></a> +<span class="sourceLineNo">1121</span> /**<a name="line.1121"></a> +<span class="sourceLineNo">1122</span> * @return True if this region has references.<a name="line.1122"></a> +<span class="sourceLineNo">1123</span> */<a name="line.1123"></a> +<span class="sourceLineNo">1124</span> public boolean hasReferences() {<a name="line.1124"></a> +<span class="sourceLineNo">1125</span> for (Store store : this.stores.values()) {<a name="line.1125"></a> +<span class="sourceLineNo">1126</span> if (store.hasReferences()) return true;<a name="line.1126"></a> +<span class="sourceLineNo">1127</span> }<a name="line.1127"></a> +<span class="sourceLineNo">1128</span> return false;<a name="line.1128"></a> +<span class="sourceLineNo">1129</span> }<a name="line.1129"></a> +<span class="sourceLineNo">1130</span><a name="line.1130"></a> +<span class="sourceLineNo">1131</span> public void blockUpdates() {<a name="line.1131"></a> +<span class="sourceLineNo">1132</span> this.updatesLock.writeLock().lock();<a name="line.1132"></a> +<span class="sourceLineNo">1133</span> }<a name="line.1133"></a> +<span class="sourceLineNo">1134</span><a name="line.1134"></a> +<span class="sourceLineNo">1135</span> public void unblockUpdates() {<a name="line.1135"></a> +<span class="sourceLineNo">1136</span> this.updatesLock.writeLock().unlock();<a name="line.1136"></a> +<span class="sourceLineNo">1137</span> }<a name="line.1137"></a> +<span class="sourceLineNo">1138</span><a name="line.1138"></a> +<span class="sourceLineNo">1139</span> @Override<a name="line.1139"></a> +<span class="sourceLineNo">1140</span> public HDFSBlocksDistribution getHDFSBlocksDistribution() {<a 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hdfsBlocksDistribution.add(storeFileBlocksDistribution);<a name="line.1150"></a> +<span class="sourceLineNo">1151</span> }<a name="line.1151"></a> +<span class="sourceLineNo">1152</span> }<a name="line.1152"></a> +<span class="sourceLineNo">1153</span> }<a name="line.1153"></a> +<span class="sourceLineNo">1154</span> return hdfsBlocksDistribution;<a name="line.1154"></a> +<span class="sourceLineNo">1155</span> }<a name="line.1155"></a> +<span class="sourceLineNo">1156</span><a name="line.1156"></a> +<span class="sourceLineNo">1157</span> /**<a name="line.1157"></a> +<span class="sourceLineNo">1158</span> * This is a helper function to compute HDFS block distribution on demand<a name="line.1158"></a> +<span class="sourceLineNo">1159</span> * @param conf configuration<a name="line.1159"></a> +<span class="sourceLineNo">1160</span> * @param tableDescriptor TableDescriptor of the table<a name="line.1160"></a> +<span class="sourceLineNo">1161</span> * @param regionInfo encoded name of the region<a name="line.1161"></a> +<span class="sourceLineNo">1162</span> * @return The HDFS blocks distribution for the given region.<a name="line.1162"></a> +<span class="sourceLineNo">1163</span> * @throws IOException<a name="line.1163"></a> +<span class="sourceLineNo">1164</span> */<a name="line.1164"></a> +<span class="sourceLineNo">1165</span> public static HDFSBlocksDistribution computeHDFSBlocksDistribution(final Configuration conf,<a name="line.1165"></a> +<span class="sourceLineNo">1166</span> final TableDescriptor tableDescriptor, final HRegionInfo regionInfo) throws IOException {<a name="line.1166"></a> +<span class="sourceLineNo">1167</span> Path tablePath = FSUtils.getTableDir(FSUtils.getRootDir(conf), tableDescriptor.getTableName());<a name="line.1167"></a> +<span class="sourceLineNo">1168</span> return computeHDFSBlocksDistribution(conf, tableDescriptor, regionInfo, tablePath);<a name="line.1168"></a> +<span class="sourceLineNo">1169</span> }<a name="line.1169"></a> +<span class="sourceLineNo">1170</span><a name="line.1170"></a> +<span class="sourceLineNo">1171</span> /**<a name="line.1171"></a> +<span class="sourceLineNo">1172</span> * This is a helper function to compute HDFS block distribution on demand<a name="line.1172"></a> +<span class="sourceLineNo">1173</span> * @param conf configuration<a name="line.1173"></a> +<span class="sourceLineNo">1174</span> * @param tableDescriptor TableDescriptor of the table<a name="line.1174"></a> +<span class="sourceLineNo">1175</span> * @param regionInfo encoded name of the region<a name="line.1175"></a> +<span class="sourceLineNo">1176</span> * @param tablePath the table directory<a name="line.1176"></a> +<span class="sourceLineNo">1177</span> * @return The HDFS blocks distribution for the given region.<a name="line.1177"></a> +<span class="sourceLineNo">1178</span> * @throws IOException<a name="line.1178"></a> +<span class="sourceLineNo">1179</span> */<a name="line.1179"></a> +<span class="sourceLineNo">1180</span> public static HDFSBlocksDistribution computeHDFSBlocksDistribution(final Configuration conf,<a name="line.1180"></a> +<span class="sourceLineNo">1181</span> final TableDescriptor tableDescriptor, final HRegionInfo regionInfo, Path tablePath)<a name="line.1181"></a> +<span class="sourceLineNo">1182</span> throws IOException {<a name="line.1182"></a> +<span class="sourceLineNo">1183</span> HDFSBlocksDistribution hdfsBlocksDistribution = new HDFSBlocksDistribution();<a name="line.1183"></a> +<span class="sourceLineNo">1184</span> FileSystem fs = tablePath.getFileSystem(conf);<a name="line.1184"></a> +<span class="sourceLineNo">1185</span><a name="line.1185"></a> +<span class="sourceLineNo">1186</span> HRegionFileSystem regionFs = new HRegionFileSystem(conf, fs, tablePath, regionInfo);<a name="line.1186"></a> +<span class="sourceLineNo">1187</span> for (ColumnFamilyDescriptor family : tableDescriptor.getColumnFamilies()) {<a name="line.1187"></a> +<span class="sourceLineNo">1188</span> List<LocatedFileStatus> locatedFileStatusList = HRegionFileSystem<a name="line.1188"></a> +<span class="sourceLineNo">1189</span> .getStoreFilesLocatedStatus(regionFs, family.getNameAsString(), true);<a name="line.1189"></a> +<span class="sourceLineNo">1190</span> if (locatedFileStatusList == null) {<a name="line.1190"></a> +<span class="sourceLineNo">1191</span> continue;<a name="line.1191"></a> +<span class="sourceLineNo">1192</span> }<a name="line.1192"></a> +<span class="sourceLineNo">1193</span><a name="line.1193"></a> +<span class="sourceLineNo">1194</span> for (LocatedFileStatus status : locatedFileStatusList) {<a name="line.1194"></a> +<span class="sourceLineNo">1195</span> Path p = status.getPath();<a name="line.1195"></a> +<span class="sourceLineNo">1196</span> if (StoreFileInfo.isReference(p) || HFileLink.isHFileLink(p)) {<a name="line.1196"></a> +<span class="sourceLineNo">1197</span> // Only construct StoreFileInfo object if its not a hfile, save obj<a name="line.1197"></a> +<span class="sourceLineNo">1198</span> // creation<a name="line.1198"></a> +<span class="sourceLineNo">1199</span> StoreFileInfo storeFileInfo = new StoreFileInfo(conf, fs, status);<a name="line.1199"></a> +<span class="sourceLineNo">1200</span> hdfsBlocksDistribution.add(storeFileInfo<a name="line.1200"></a> +<span class="sourceLineNo">1201</span> .computeHDFSBlocksDistribution(fs));<a name="line.1201"></a> +<span class="sourceLineNo">1202</span> } else if (StoreFileInfo.isHFile(p)) {<a name="line.1202"></a> +<span class="sourceLineNo">1203</span> // If its a HFile, then lets just add to the block distribution<a name="line.1203"></a> +<span class="sourceLineNo">1204</span> // lets not create more objects here, not even another HDFSBlocksDistribution<a name="line.1204"></a> +<span class="sourceLineNo">1205</span> FSUtils.addToHDFSBlocksDistribution(hdfsBlocksDistribution,<a name="line.1205"></a> +<span class="sourceLineNo">1206</span> status.getBlockLocations());<a name="line.1206"></a> +<span class="sourceLineNo">1207</span> } else {<a name="line.1207"></a> +<span class="sourceLineNo">1208</span> throw new IOException("path=" + p<a name="line.1208"></a> +<span class="sourceLineNo">1209</span> + " doesn't look like a valid StoreFile");<a name="line.1209"></a> +<span class="sourceLineNo">1210</span> }<a name="line.1210"></a> +<span class="sourceLineNo">1211</span> }<a name="line.1211"></a> +<span class="sourceLineNo">1212</span> }<a name="line.1212"></a> +<span class="sourceLineNo">1213</span> return hdfsBlocksDistribution;<a name="line.1213"></a> +<span class="sourceLineNo">1214</span> }<a name="line.1214"></a> +<span class="sourceLineNo">1215</span><a name="line.1215"></a> +<span class="sourceLineNo">1216</span> /**<a name="line.1216"></a> +<span class="sourceLineNo">1217</span> * Increase the size of mem store in this region and the size of global mem<a name="line.1217"></a> +<span class="sourceLineNo">1218</span> * store<a name="line.1218"></a> +<span class="sourceLineNo">1219</span> * @return the size of memstore in this region<a name="line.1219"></a> +<span class="sourceLineNo">1220</span> */<a name="line.1220"></a> +<span class="sourceLineNo">1221</span> public long addAndGetMemstoreSize(MemstoreSize memstoreSize) {<a name="line.1221"></a> +<span class="sourceLineNo">1222</span> if (this.rsAccounting != null) {<a name="line.1222"></a> +<span class="sourceLineNo">1223</span> rsAccounting.incGlobalMemstoreSize(memstoreSize);<a name="line.1223"></a> +<span class="sourceLineNo">1224</span> }<a name="line.1224"></a> +<span class="sourceLineNo">1225</span> long size = this.memstoreDataSize.addAndGet(memstoreSize.getDataSize());<a name="line.1225"></a> +<span class="sourceLineNo">1226</span> checkNegativeMemstoreDataSize(size, memstoreSize.getDataSize());<a name="line.1226"></a> +<span class="sourceLineNo">1227</span> return size;<a name="line.1227"></a> +<span class="sourceLineNo">1228</span> }<a name="line.1228"></a> +<span class="sourceLineNo">1229</span><a name="line.1229"></a> +<span class="sourceLineNo">1230</span> public void decrMemstoreSize(MemstoreSize memstoreSize) {<a name="line.1230"></a> +<span class="sourceLineNo">1231</span> if (this.rsAccounting != null) {<a name="line.1231"></a> +<span class="sourceLineNo">1232</span> rsAccounting.decGlobalMemstoreSize(memstoreSize);<a name="line.1232"></a> +<span class="sourceLineNo">1233</span> }<a name="line.1233"></a> +<span class="sourceLineNo">1234</span> long size = this.memstoreDataSize.addAndGet(-memstoreSize.getDataSize());<a name="line.1234"></a> +<span class="sourceLineNo">1235</span> checkNegativeMemstoreDataSize(size, -memstoreSize.getDataSize());<a name="line.1235"></a> +<span class="sourceLineNo">1236</span> }<a name="line.1236"></a> +<span class="sourceLineNo">1237</span><a name="line.1237"></a> +<span class="sourceLineNo">1238</span> private void checkNegativeMemstoreDataSize(long memstoreDataSize, long delta) 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Log as much info on the offending<a name="line.1239"></a> +<span class="sourceLineNo">1240</span> // caller as possible. (memStoreSize might be a negative value already -- freeing memory)<a name="line.1240"></a> +<span class="sourceLineNo">1241</span> if (memstoreDataSize < 0) {<a name="line.1241"></a> +<span class="sourceLineNo">1242</span> LOG.error("Asked to modify this region's (" + this.toString()<a name="line.1242"></a> +<span class="sourceLineNo">1243</span> + ") memstoreSize to a negative value which is incorrect. Current memstoreSize="<a name="line.1243"></a> +<span class="sourceLineNo">1244</span> + (memstoreDataSize - delta) + ", delta=" + delta, new Exception());<a name="line.1244"></a> +<span class="sourceLineNo">1245</span> }<a name="line.1245"></a> +<span class="sourceLineNo">1246</span> }<a name="line.1246"></a> +<span class="sourceLineNo">1247</span><a name="line.1247"></a> +<span class="sourceLineNo">1248</span> @Override<a name="line.1248"></a> +<span class="sourceLineNo">1249</span> public HRegionInfo getRegionInfo() {<a name="line.1249"></a> +<span class="sourceLineNo">1250</span> return this.fs.getRegionInfo();<a name="line.1250"></a> +<span class="sourceLineNo">1251</span> }<a name="line.1251"></a> +<span class="sourceLineNo">1252</span><a name="line.1252"></a> +<span class="sourceLineNo">1253</span> /**<a name="line.1253"></a> +<span class="sourceLineNo">1254</span> * @return Instance of {@link RegionServerServices} used by this HRegion.<a name="line.1254"></a> +<span 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dataInMemoryWithoutWAL.sum();<a name="line.1303"></a> +<span class="sourceLineNo">1304</span> }<a name="line.1304"></a> +<span class="sourceLineNo">1305</span><a name="line.1305"></a> +<span class="sourceLineNo">1306</span> @Override<a name="line.1306"></a> +<span class="sourceLineNo">1307</span> public long getBlockedRequestsCount() {<a name="line.1307"></a> +<span class="sourceLineNo">1308</span> return blockedRequestsCount.sum();<a name="line.1308"></a> +<span class="sourceLineNo">1309</span> }<a name="line.1309"></a> +<span class="sourceLineNo">1310</span><a name="line.1310"></a> +<span class="sourceLineNo">1311</span> @Override<a name="line.1311"></a> +<span class="sourceLineNo">1312</span> public long getCheckAndMutateChecksPassed() {<a name="line.1312"></a> +<span class="sourceLineNo">1313</span> return checkAndMutateChecksPassed.sum();<a name="line.1313"></a> +<span class="sourceLineNo">1314</span> }<a name="line.1314"></a> +<span class="sourceLineNo">1315</span><a 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