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Posted to commits@hbase.apache.org by gi...@apache.org on 2018/10/24 14:54:40 UTC
[06/51] [partial] hbase-site git commit: Published site at
3fe8649b2c9ba1271c25e8f476548907e4c7a90d.
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/8f09a71d/devapidocs/src-html/org/apache/hadoop/hbase/procedure2/store/wal/WALProcedureStore.PushType.html
----------------------------------------------------------------------
diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/procedure2/store/wal/WALProcedureStore.PushType.html b/devapidocs/src-html/org/apache/hadoop/hbase/procedure2/store/wal/WALProcedureStore.PushType.html
index 9b964f6..98ef11a 100644
--- a/devapidocs/src-html/org/apache/hadoop/hbase/procedure2/store/wal/WALProcedureStore.PushType.html
+++ b/devapidocs/src-html/org/apache/hadoop/hbase/procedure2/store/wal/WALProcedureStore.PushType.html
@@ -105,7 +105,7 @@
<span class="sourceLineNo">097</span> * will first be initialized to the oldest file's tracker(which is stored in the trailer), using the<a name="line.97"></a>
<span class="sourceLineNo">098</span> * method {@link ProcedureStoreTracker#resetTo(ProcedureStoreTracker, boolean)}, and then merge it<a name="line.98"></a>
<span class="sourceLineNo">099</span> * with the tracker of every newer wal files, using the<a name="line.99"></a>
-<span class="sourceLineNo">100</span> * {@link ProcedureStoreTracker#setDeletedIfModifiedInBoth(ProcedureStoreTracker, boolean)}.<a name="line.100"></a>
+<span class="sourceLineNo">100</span> * {@link ProcedureStoreTracker#setDeletedIfModifiedInBoth(ProcedureStoreTracker)}.<a name="line.100"></a>
<span class="sourceLineNo">101</span> * If we find out<a name="line.101"></a>
<span class="sourceLineNo">102</span> * that all the modified procedures for the oldest wal file are modified or deleted in newer wal<a name="line.102"></a>
<span class="sourceLineNo">103</span> * files, then we can delete it. This is because that, every time we call<a name="line.103"></a>
@@ -1181,244 +1181,243 @@
<span class="sourceLineNo">1173</span> }<a name="line.1173"></a>
<span class="sourceLineNo">1174</span><a name="line.1174"></a>
<span class="sourceLineNo">1175</span> // compute the holding tracker.<a name="line.1175"></a>
-<span class="sourceLineNo">1176</span> // - the first WAL is used for the 'updates'<a name="line.1176"></a>
-<span class="sourceLineNo">1177</span> // - the global tracker is passed in first to decide which procedures are not<a name="line.1177"></a>
-<span class="sourceLineNo">1178</span> // exist anymore, so we can mark them as deleted in holdingCleanupTracker.<a name="line.1178"></a>
-<span class="sourceLineNo">1179</span> // Only global tracker have the whole picture here.<a name="line.1179"></a>
-<span class="sourceLineNo">1180</span> // - the other WALs are scanned to remove procs already updated in a newer wal.<a name="line.1180"></a>
-<span class="sourceLineNo">1181</span> // If it is updated in a newer wal, we can mark it as delelted in holdingCleanupTracker<a name="line.1181"></a>
-<span class="sourceLineNo">1182</span> // But, we can not delete it if it was shown deleted in the newer wal, as said<a name="line.1182"></a>
-<span class="sourceLineNo">1183</span> // above.<a name="line.1183"></a>
-<span class="sourceLineNo">1184</span> // TODO: exit early if holdingCleanupTracker.isEmpty()<a name="line.1184"></a>
-<span class="sourceLineNo">1185</span> holdingCleanupTracker.resetTo(logs.getFirst().getTracker(), true);<a name="line.1185"></a>
-<span class="sourceLineNo">1186</span> //Passing in the global tracker, we can delete the procedures not in the global<a name="line.1186"></a>
-<span class="sourceLineNo">1187</span> //tracker, because they are deleted in the later logs<a name="line.1187"></a>
-<span class="sourceLineNo">1188</span> holdingCleanupTracker.setDeletedIfModifiedInBoth(storeTracker, true);<a name="line.1188"></a>
-<span class="sourceLineNo">1189</span> for (int i = 1, size = logs.size() - 1; i < size; ++i) {<a name="line.1189"></a>
-<span class="sourceLineNo">1190</span> // Set deleteIfNotExists to false since a single log's tracker is passed in.<a name="line.1190"></a>
-<span class="sourceLineNo">1191</span> // Since a specific procedure may not show up in the log at all(not executed or<a name="line.1191"></a>
-<span class="sourceLineNo">1192</span> // updated during the time), we can not delete the procedure just because this log<a name="line.1192"></a>
-<span class="sourceLineNo">1193</span> // don't have the info of the procedure. We can delete the procedure only if<a name="line.1193"></a>
-<span class="sourceLineNo">1194</span> // in this log's tracker, it was cleanly showed that the procedure is modified or deleted<a name="line.1194"></a>
-<span class="sourceLineNo">1195</span> // in the corresponding BitSetNode.<a name="line.1195"></a>
-<span class="sourceLineNo">1196</span> holdingCleanupTracker.setDeletedIfModifiedInBoth(logs.get(i).getTracker(), false);<a name="line.1196"></a>
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-<span class="sourceLineNo">1198</span> }<a name="line.1198"></a>
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-<span class="sourceLineNo">1200</span> /**<a name="line.1200"></a>
-<span class="sourceLineNo">1201</span> * Remove all logs with logId <= {@code lastLogId}.<a name="line.1201"></a>
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-<span class="sourceLineNo">1205</span> return;<a name="line.1205"></a>
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-<span class="sourceLineNo">1208</span> LOG.info("Remove all state logs with ID less than {}, since {}", lastLogId, why);<a name="line.1208"></a>
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-<span class="sourceLineNo">1212</span> ProcedureWALFile log = logs.getFirst();<a name="line.1212"></a>
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-<span class="sourceLineNo">1220</span> if (removed) {<a name="line.1220"></a>
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-<span class="sourceLineNo">1227</span> LOG.trace("Removing log={}", log);<a name="line.1227"></a>
-<span class="sourceLineNo">1228</span> log.removeFile(walArchiveDir);<a name="line.1228"></a>
-<span class="sourceLineNo">1229</span> logs.remove(log);<a name="line.1229"></a>
-<span class="sourceLineNo">1230</span> LOG.debug("Removed log={}, activeLogs={}", log, logs);<a name="line.1230"></a>
-<span class="sourceLineNo">1231</span> assert logs.size() > 0 : "expected at least one log";<a name="line.1231"></a>
-<span class="sourceLineNo">1232</span> } catch (IOException e) {<a name="line.1232"></a>
-<span class="sourceLineNo">1233</span> LOG.error("Unable to remove log: " + log, e);<a name="line.1233"></a>
-<span class="sourceLineNo">1234</span> return false;<a name="line.1234"></a>
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-<span class="sourceLineNo">1239</span> // ==========================================================================<a name="line.1239"></a>
-<span class="sourceLineNo">1240</span> // FileSystem Log Files helpers<a name="line.1240"></a>
-<span class="sourceLineNo">1241</span> // ==========================================================================<a name="line.1241"></a>
-<span class="sourceLineNo">1242</span> public Path getWALDir() {<a name="line.1242"></a>
-<span class="sourceLineNo">1243</span> return this.walDir;<a name="line.1243"></a>
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-<span class="sourceLineNo">1246</span> @VisibleForTesting<a name="line.1246"></a>
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-<span class="sourceLineNo">1250</span><a name="line.1250"></a>
-<span class="sourceLineNo">1251</span> public FileSystem getFileSystem() {<a name="line.1251"></a>
-<span class="sourceLineNo">1252</span> return this.fs;<a name="line.1252"></a>
-<span class="sourceLineNo">1253</span> }<a name="line.1253"></a>
-<span class="sourceLineNo">1254</span><a name="line.1254"></a>
-<span class="sourceLineNo">1255</span> protected Path getLogFilePath(final long logId) throws IOException {<a name="line.1255"></a>
-<span class="sourceLineNo">1256</span> return new Path(walDir, String.format(LOG_PREFIX + "%020d.log", logId));<a name="line.1256"></a>
-<span class="sourceLineNo">1257</span> }<a name="line.1257"></a>
-<span class="sourceLineNo">1258</span><a name="line.1258"></a>
-<span class="sourceLineNo">1259</span> private static long getLogIdFromName(final String name) {<a name="line.1259"></a>
-<span class="sourceLineNo">1260</span> int end = name.lastIndexOf(".log");<a name="line.1260"></a>
-<span class="sourceLineNo">1261</span> int start = name.lastIndexOf('-') + 1;<a name="line.1261"></a>
-<span class="sourceLineNo">1262</span> return Long.parseLong(name.substring(start, end));<a name="line.1262"></a>
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-<span class="sourceLineNo">1264</span><a name="line.1264"></a>
-<span class="sourceLineNo">1265</span> private static final PathFilter WALS_PATH_FILTER = new PathFilter() {<a name="line.1265"></a>
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-<span class="sourceLineNo">1267</span> public boolean accept(Path path) {<a name="line.1267"></a>
-<span class="sourceLineNo">1268</span> String name = path.getName();<a name="line.1268"></a>
-<span class="sourceLineNo">1269</span> return name.startsWith(LOG_PREFIX) && name.endsWith(".log");<a name="line.1269"></a>
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-<span class="sourceLineNo">1275</span> @Override<a name="line.1275"></a>
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-<span class="sourceLineNo">1278</span> final long bId = getLogIdFromName(b.getPath().getName());<a name="line.1278"></a>
-<span class="sourceLineNo">1279</span> return Long.compare(aId, bId);<a name="line.1279"></a>
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-<span class="sourceLineNo">1284</span> try {<a name="line.1284"></a>
-<span class="sourceLineNo">1285</span> FileStatus[] files = fs.listStatus(walDir, WALS_PATH_FILTER);<a name="line.1285"></a>
-<span class="sourceLineNo">1286</span> Arrays.sort(files, FILE_STATUS_ID_COMPARATOR);<a name="line.1286"></a>
-<span class="sourceLineNo">1287</span> return files;<a name="line.1287"></a>
-<span class="sourceLineNo">1288</span> } catch (FileNotFoundException e) {<a name="line.1288"></a>
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-<span class="sourceLineNo">1290</span> return null;<a name="line.1290"></a>
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-<span class="sourceLineNo">1294</span> /**<a name="line.1294"></a>
-<span class="sourceLineNo">1295</span> * Make sure that the file set are gotten by calling {@link #getLogFiles()}, where we will sort<a name="line.1295"></a>
-<span class="sourceLineNo">1296</span> * the file set by log id.<a name="line.1296"></a>
-<span class="sourceLineNo">1297</span> * @return Max-LogID of the specified log file set<a name="line.1297"></a>
-<span class="sourceLineNo">1298</span> */<a name="line.1298"></a>
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-<span class="sourceLineNo">1300</span> if (logFiles == null || logFiles.length == 0) {<a name="line.1300"></a>
-<span class="sourceLineNo">1301</span> return 0L;<a name="line.1301"></a>
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-<span class="sourceLineNo">1303</span> return getLogIdFromName(logFiles[logFiles.length - 1].getPath().getName());<a name="line.1303"></a>
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-<span class="sourceLineNo">1305</span><a name="line.1305"></a>
-<span class="sourceLineNo">1306</span> /**<a name="line.1306"></a>
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-<span class="sourceLineNo">1308</span> * the file set by log id.<a name="line.1308"></a>
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-<span class="sourceLineNo">1313</span> return 0L;<a name="line.1313"></a>
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-<span class="sourceLineNo">1317</span> final Path logPath = logFiles[i].getPath();<a name="line.1317"></a>
-<span class="sourceLineNo">1318</span> leaseRecovery.recoverFileLease(fs, logPath);<a name="line.1318"></a>
-<span class="sourceLineNo">1319</span> if (!isRunning()) {<a name="line.1319"></a>
-<span class="sourceLineNo">1320</span> throw new IOException("wal aborting");<a name="line.1320"></a>
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-<span class="sourceLineNo">1323</span> maxLogId = Math.max(maxLogId, getLogIdFromName(logPath.getName()));<a name="line.1323"></a>
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-<span class="sourceLineNo">1325</span> if (log != null) {<a name="line.1325"></a>
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-<span class="sourceLineNo">1333</span> /**<a name="line.1333"></a>
-<span class="sourceLineNo">1334</span> * If last log's tracker is not null, use it as {@link #storeTracker}. Otherwise, set storeTracker<a name="line.1334"></a>
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-<span class="sourceLineNo">1341</span> ProcedureWALFile log = logs.getLast();<a name="line.1341"></a>
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-<span class="sourceLineNo">1343</span> storeTracker.resetTo(log.getTracker());<a name="line.1343"></a>
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+<span class="sourceLineNo">1260</span> int start = name.lastIndexOf('-') + 1;<a name="line.1260"></a>
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+<span class="sourceLineNo">1384</span><a name="line.1384"></a>
+<span class="sourceLineNo">1385</span> /**<a name="line.1385"></a>
+<span class="sourceLineNo">1386</span> * Parses a directory of WALs building up ProcedureState.<a name="line.1386"></a>
+<span class="sourceLineNo">1387</span> * For testing parse and profiling.<a name="line.1387"></a>
+<span class="sourceLineNo">1388</span> * @param args Include pointer to directory of WAL files for a store instance to parse & load.<a name="line.1388"></a>
+<span class="sourceLineNo">1389</span> */<a name="line.1389"></a>
+<span class="sourceLineNo">1390</span> public static void main(String [] args) throws IOException {<a name="line.1390"></a>
+<span class="sourceLineNo">1391</span> Configuration conf = HBaseConfiguration.create();<a name="line.1391"></a>
+<span class="sourceLineNo">1392</span> if (args == null || args.length != 1) {<a name="line.1392"></a>
+<span class="sourceLineNo">1393</span> System.out.println("ERROR: Empty arguments list; pass path to MASTERPROCWALS_DIR.");<a name="line.1393"></a>
+<span class="sourceLineNo">1394</span> System.out.println("Usage: WALProcedureStore MASTERPROCWALS_DIR");<a name="line.1394"></a>
+<span class="sourceLineNo">1395</span> System.exit(-1);<a name="line.1395"></a>
+<span class="sourceLineNo">1396</span> }<a name="line.1396"></a>
+<span class="sourceLineNo">1397</span> WALProcedureStore store = new WALProcedureStore(conf, new Path(args[0]), null,<a name="line.1397"></a>
+<span class="sourceLineNo">1398</span> new WALProcedureStore.LeaseRecovery() {<a name="line.1398"></a>
+<span class="sourceLineNo">1399</span> @Override<a name="line.1399"></a>
+<span class="sourceLineNo">1400</span> public void recoverFileLease(FileSystem fs, Path path) throws IOException {<a name="line.1400"></a>
+<span class="sourceLineNo">1401</span> // no-op<a name="line.1401"></a>
+<span class="sourceLineNo">1402</span> }<a name="line.1402"></a>
+<span class="sourceLineNo">1403</span> });<a name="line.1403"></a>
+<span class="sourceLineNo">1404</span> try {<a name="line.1404"></a>
+<span class="sourceLineNo">1405</span> store.start(16);<a name="line.1405"></a>
+<span class="sourceLineNo">1406</span> ProcedureExecutor<?> pe = new ProcedureExecutor<>(conf, new Object()/*Pass anything*/, store);<a name="line.1406"></a>
+<span class="sourceLineNo">1407</span> pe.init(1, true);<a name="line.1407"></a>
+<span class="sourceLineNo">1408</span> } finally {<a name="line.1408"></a>
+<span class="sourceLineNo">1409</span> store.stop(true);<a name="line.1409"></a>
+<span class="sourceLineNo">1410</span> }<a name="line.1410"></a>
+<span class="sourceLineNo">1411</span> }<a name="line.1411"></a>
+<span class="sourceLineNo">1412</span>}<a name="line.1412"></a>