http://git-wip-us.apache.org/repos/asf/hbase-site/blob/92a26cfb/devapidocs/src-html/org/apache/hadoop/hbase/regionserver/HRegion.BatchOperation.html ---------------------------------------------------------------------- diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/regionserver/HRegion.BatchOperation.html b/devapidocs/src-html/org/apache/hadoop/hbase/regionserver/HRegion.BatchOperation.html index 4a879bb..7d27402 100644 --- a/devapidocs/src-html/org/apache/hadoop/hbase/regionserver/HRegion.BatchOperation.html +++ b/devapidocs/src-html/org/apache/hadoop/hbase/regionserver/HRegion.BatchOperation.html @@ -300,7 +300,7 @@ <span class="sourceLineNo">292</span> private Map<String, com.google.protobuf.Service> coprocessorServiceHandlers = Maps.newHashMap();<a name="line.292"></a> <span class="sourceLineNo">293</span><a name="line.293"></a> <span class="sourceLineNo">294</span> // Track data size in all memstores<a name="line.294"></a> -<span class="sourceLineNo">295</span> private final MemStoreSizing memStoreSize = new MemStoreSizing();<a name="line.295"></a> +<span class="sourceLineNo">295</span> private final MemStoreSizing memStoreSizing = new ThreadSafeMemStoreSizing();<a name="line.295"></a> <span class="sourceLineNo">296</span> private final RegionServicesForStores regionServicesForStores = new RegionServicesForStores(this);<a name="line.296"></a> <span class="sourceLineNo">297</span><a name="line.297"></a> <span class="sourceLineNo">298</span> // Debug possible data loss due to WAL off<a name="line.298"></a> @@ -1218,7389 +1218,7399 @@ <span class="sourceLineNo">1210</span> * Increase the size of mem store in this region and the size of global mem<a name="line.1210"></a> <span class="sourceLineNo">1211</span> * store<a name="line.1211"></a> <span class="sourceLineNo">1212</span> */<a name="line.1212"></a> -<span class="sourceLineNo">1213</span> public void incMemStoreSize(MemStoreSize memStoreSize) {<a name="line.1213"></a> -<span class="sourceLineNo">1214</span> if (this.rsAccounting != null) {<a name="line.1214"></a> -<span class="sourceLineNo">1215</span> rsAccounting.incGlobalMemStoreSize(memStoreSize);<a name="line.1215"></a> -<span class="sourceLineNo">1216</span> }<a name="line.1216"></a> -<span class="sourceLineNo">1217</span> long dataSize;<a name="line.1217"></a> -<span class="sourceLineNo">1218</span> synchronized (this.memStoreSize) {<a name="line.1218"></a> -<span class="sourceLineNo">1219</span> this.memStoreSize.incMemStoreSize(memStoreSize);<a name="line.1219"></a> -<span class="sourceLineNo">1220</span> dataSize = this.memStoreSize.getDataSize();<a name="line.1220"></a> -<span class="sourceLineNo">1221</span> }<a name="line.1221"></a> -<span class="sourceLineNo">1222</span> checkNegativeMemStoreDataSize(dataSize, memStoreSize.getDataSize());<a name="line.1222"></a> -<span class="sourceLineNo">1223</span> }<a name="line.1223"></a> -<span class="sourceLineNo">1224</span><a name="line.1224"></a> -<span class="sourceLineNo">1225</span> public void decrMemStoreSize(MemStoreSize memStoreSize) {<a name="line.1225"></a> -<span class="sourceLineNo">1226</span> if (this.rsAccounting != null) {<a name="line.1226"></a> -<span class="sourceLineNo">1227</span> rsAccounting.decGlobalMemStoreSize(memStoreSize);<a name="line.1227"></a> -<span class="sourceLineNo">1228</span> }<a name="line.1228"></a> -<span class="sourceLineNo">1229</span> long size;<a name="line.1229"></a> -<span class="sourceLineNo">1230</span> synchronized (this.memStoreSize) {<a name="line.1230"></a> -<span class="sourceLineNo">1231</span> this.memStoreSize.decMemStoreSize(memStoreSize);<a name="line.1231"></a> -<span class="sourceLineNo">1232</span> size = this.memStoreSize.getDataSize();<a name="line.1232"></a> +<span class="sourceLineNo">1213</span> void incMemStoreSize(MemStoreSize mss) {<a name="line.1213"></a> +<span class="sourceLineNo">1214</span> incMemStoreSize(mss.getDataSize(), mss.getHeapSize(), 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Log as much info on the offending<a name="line.1238"></a> -<span class="sourceLineNo">1239</span> // caller as possible. (memStoreSize might be a negative value already -- freeing memory)<a name="line.1239"></a> -<span class="sourceLineNo">1240</span> if (memStoreDataSize < 0) {<a name="line.1240"></a> -<span class="sourceLineNo">1241</span> LOG.error("Asked to modify this region's (" + this.toString()<a name="line.1241"></a> -<span class="sourceLineNo">1242</span> + ") memStoreSize to a negative value which is incorrect. 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The region is put in closing mode, and the<a name="line.1412"></a> -<span class="sourceLineNo">1413</span> * caller MUST abort after this.<a name="line.1413"></a> -<span class="sourceLineNo">1414</span> */<a name="line.1414"></a> -<span class="sourceLineNo">1415</span> public Map<byte[], List<HStoreFile>> close() throws IOException {<a name="line.1415"></a> -<span class="sourceLineNo">1416</span> return close(false);<a name="line.1416"></a> -<span class="sourceLineNo">1417</span> }<a name="line.1417"></a> -<span class="sourceLineNo">1418</span><a name="line.1418"></a> -<span class="sourceLineNo">1419</span> private final Object closeLock = new Object();<a name="line.1419"></a> +<span class="sourceLineNo">1234</span> long dataSize =<a name="line.1234"></a> +<span class="sourceLineNo">1235</span> this.memStoreSizing.decMemStoreSize(dataSizeDelta, heapSizeDelta, offHeapSizeDelta);<a name="line.1235"></a> +<span class="sourceLineNo">1236</span> checkNegativeMemStoreDataSize(dataSize, -dataSizeDelta);<a name="line.1236"></a> +<span class="sourceLineNo">1237</span> }<a name="line.1237"></a> +<span class="sourceLineNo">1238</span><a name="line.1238"></a> +<span class="sourceLineNo">1239</span> private void checkNegativeMemStoreDataSize(long memStoreDataSize, long delta) {<a name="line.1239"></a> +<span class="sourceLineNo">1240</span> // This is extremely bad if we make memStoreSizing negative. Log as much info on the offending<a name="line.1240"></a> +<span class="sourceLineNo">1241</span> // caller as possible. (memStoreSizing might be a negative value already -- freeing memory)<a name="line.1241"></a> +<span class="sourceLineNo">1242</span> if (memStoreDataSize < 0) {<a name="line.1242"></a> +<span class="sourceLineNo">1243</span> LOG.error("Asked to modify this region's (" + this.toString()<a name="line.1243"></a> +<span class="sourceLineNo">1244</span> + ") memStoreSizing to a negative value which is incorrect. Current memStoreSizing="<a name="line.1244"></a> +<span class="sourceLineNo">1245</span> + (memStoreDataSize - delta) + ", delta=" + delta, new Exception());<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><a name="line.1248"></a> +<span class="sourceLineNo">1249</span> @Override<a name="line.1249"></a> +<span class="sourceLineNo">1250</span> public RegionInfo getRegionInfo() {<a name="line.1250"></a> +<span class="sourceLineNo">1251</span> return this.fs.getRegionInfo();<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> /**<a name="line.1254"></a> +<span class="sourceLineNo">1255</span> * @return Instance of {@link RegionServerServices} used by this HRegion.<a name="line.1255"></a> +<span class="sourceLineNo">1256</span> * Can be null.<a name="line.1256"></a> +<span class="sourceLineNo">1257</span> */<a name="line.1257"></a> +<span class="sourceLineNo">1258</span> RegionServerServices getRegionServerServices() {<a name="line.1258"></a> +<span class="sourceLineNo">1259</span> return this.rsServices;<a name="line.1259"></a> +<span class="sourceLineNo">1260</span> }<a name="line.1260"></a> +<span class="sourceLineNo">1261</span><a name="line.1261"></a> +<span class="sourceLineNo">1262</span> @Override<a name="line.1262"></a> +<span class="sourceLineNo">1263</span> public long getReadRequestsCount() {<a name="line.1263"></a> +<span class="sourceLineNo">1264</span> return readRequestsCount.sum();<a name="line.1264"></a> +<span class="sourceLineNo">1265</span> }<a name="line.1265"></a> +<span class="sourceLineNo">1266</span><a name="line.1266"></a> +<span class="sourceLineNo">1267</span> @Override<a name="line.1267"></a> +<span class="sourceLineNo">1268</span> public long getFilteredReadRequestsCount() {<a name="line.1268"></a> +<span class="sourceLineNo">1269</span> return filteredReadRequestsCount.sum();<a name="line.1269"></a> +<span class="sourceLineNo">1270</span> }<a name="line.1270"></a> +<span class="sourceLineNo">1271</span><a name="line.1271"></a> +<span class="sourceLineNo">1272</span> @Override<a name="line.1272"></a> +<span class="sourceLineNo">1273</span> public long getWriteRequestsCount() {<a name="line.1273"></a> +<span class="sourceLineNo">1274</span> return writeRequestsCount.sum();<a name="line.1274"></a> +<span class="sourceLineNo">1275</span> }<a name="line.1275"></a> +<span class="sourceLineNo">1276</span><a name="line.1276"></a> +<span class="sourceLineNo">1277</span> @Override<a name="line.1277"></a> +<span class="sourceLineNo">1278</span> public long getMemStoreDataSize() {<a name="line.1278"></a> +<span class="sourceLineNo">1279</span> return memStoreSizing.getDataSize();<a name="line.1279"></a> +<span class="sourceLineNo">1280</span> }<a name="line.1280"></a> +<span class="sourceLineNo">1281</span><a name="line.1281"></a> +<span class="sourceLineNo">1282</span> @Override<a name="line.1282"></a> +<span class="sourceLineNo">1283</span> public long getMemStoreHeapSize() {<a name="line.1283"></a> +<span class="sourceLineNo">1284</span> return memStoreSizing.getHeapSize();<a name="line.1284"></a> +<span class="sourceLineNo">1285</span> }<a name="line.1285"></a> +<span class="sourceLineNo">1286</span><a name="line.1286"></a> +<span class="sourceLineNo">1287</span> @Override<a name="line.1287"></a> +<span class="sourceLineNo">1288</span> public long getMemStoreOffHeapSize() {<a name="line.1288"></a> +<span class="sourceLineNo">1289</span> return memStoreSizing.getOffHeapSize();<a name="line.1289"></a> +<span class="sourceLineNo">1290</span> }<a name="line.1290"></a> +<span class="sourceLineNo">1291</span><a name="line.1291"></a> +<span class="sourceLineNo">1292</span> /** @return store services for this region, to access services required by store level needs */<a name="line.1292"></a> +<span class="sourceLineNo">1293</span> public RegionServicesForStores getRegionServicesForStores() {<a name="line.1293"></a> +<span class="sourceLineNo">1294</span> return regionServicesForStores;<a name="line.1294"></a> +<span class="sourceLineNo">1295</span> }<a name="line.1295"></a> +<span class="sourceLineNo">1296</span><a name="line.1296"></a> +<span class="sourceLineNo">1297</span> @Override<a name="line.1297"></a> +<span class="sourceLineNo">1298</span> public long getNumMutationsWithoutWAL() {<a name="line.1298"></a> +<span class="sourceLineNo">1299</span> return numMutationsWithoutWAL.sum();<a name="line.1299"></a> +<span class="sourceLineNo">1300</span> }<a name="line.1300"></a> +<span class="sourceLineNo">1301</span><a name="line.1301"></a> +<span class="sourceLineNo">1302</span> @Override<a name="line.1302"></a> +<span class="sourceLineNo">1303</span> public long getDataInMemoryWithoutWAL() {<a name="line.1303"></a> +<span class="sourceLineNo">1304</span> return dataInMemoryWithoutWAL.sum();<a name="line.1304"></a> +<span class="sourceLineNo">1305</span> }<a name="line.1305"></a> +<span class="sourceLineNo">1306</span><a name="line.1306"></a> +<span class="sourceLineNo">1307</span> @Override<a name="line.1307"></a> +<span class="sourceLineNo">1308</span> public long getBlockedRequestsCount() {<a name="line.1308"></a> +<span class="sourceLineNo">1309</span> return blockedRequestsCount.sum();<a name="line.1309"></a> +<span class="sourceLineNo">1310</span> }<a name="line.1310"></a> +<span class="sourceLineNo">1311</span><a name="line.1311"></a> +<span class="sourceLineNo">1312</span> @Override<a name="line.1312"></a> +<span class="sourceLineNo">1313</span> public long getCheckAndMutateChecksPassed() {<a name="line.1313"></a> +<span class="sourceLineNo">1314</span> return checkAndMutateChecksPassed.sum();<a name="line.1314"></a> +<span class="sourceLineNo">1315</span> }<a name="line.1315"></a> +<span class="sourceLineNo">1316</span><a name="line.1316"></a> +<span class="sourceLineNo">1317</span> @Override<a name="line.1317"></a> +<span class="sourceLineNo">1318</span> public long getCheckAndMutateChecksFailed() {<a name="line.1318"></a> +<span class="sourceLineNo">1319</span> return checkAndMutateChecksFailed.sum();<a name="line.1319"></a> +<span class="sourceLineNo">1320</span> }<a name="line.1320"></a> +<span class="sourceLineNo">1321</span><a name="line.1321"></a> +<span class="sourceLineNo">1322</span> // TODO Needs to check whether we should expose our metrics system to CPs. If CPs themselves doing<a name="line.1322"></a> +<span class="sourceLineNo">1323</span> // the op and bypassing the core, this might be needed? 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The region is put in closing mode, and the<a name="line.1414"></a> +<span class="sourceLineNo">1415</span> * caller MUST abort after this.<a name="line.1415"></a> +<span class="sourceLineNo">1416</span> */<a name="line.1416"></a> +<span class="sourceLineNo">1417</span> public Map<byte[], List<HStoreFile>> close() throws IOException {<a name="line.1417"></a> +<span class="sourceLineNo">1418</span> return close(false);<a name="line.1418"></a> +<span class="sourceLineNo">1419</span> }<a name="line.1419"></a> <span class="sourceLineNo">1420</span><a name="line.1420"></a> -<span class="sourceLineNo">1421</span> /** Conf key for the periodic flush interval */<a name="line.1421"></a> -<span class="sourceLineNo">1422</span> public static final String MEMSTORE_PERIODIC_FLUSH_INTERVAL =<a name="line.1422"></a> -<span class="sourceLineNo">1423</span> "hbase.regionserver.optionalcacheflushinterval";<a name="line.1423"></a> -<span class="sourceLineNo">1424</span> /** Default interval for the memstore flush */<a name="line.1424"></a> -<span class="sourceLineNo">1425</span> public static final int DEFAULT_CACHE_FLUSH_INTERVAL = 3600000;<a name="line.1425"></a> -<span class="sourceLineNo">1426</span> /** Default interval for System tables memstore flush */<a name="line.1426"></a> -<span class="sourceLineNo">1427</span> public static final int SYSTEM_CACHE_FLUSH_INTERVAL = 300000; // 5 minutes<a name="line.1427"></a> -<span class="sourceLineNo">1428</span><a name="line.1428"></a> -<span class="sourceLineNo">1429</span> /** Conf key to force a flush if there are already enough changes for one region in memstore */<a name="line.1429"></a> -<span class="sourceLineNo">1430</span> public static final String MEMSTORE_FLUSH_PER_CHANGES =<a name="line.1430"></a> -<span class="sourceLineNo">1431</span> "hbase.regionserver.flush.per.changes";<a name="line.1431"></a> -<span class="sourceLineNo">1432</span> public static final long DEFAULT_FLUSH_PER_CHANGES = 30000000; // 30 millions<a name="line.1432"></a> -<span class="sourceLineNo">1433</span> /**<a name="line.1433"></a> -<span class="sourceLineNo">1434</span> * The following MAX_FLUSH_PER_CHANGES is large enough because each KeyValue has 20+ bytes<a name="line.1434"></a> -<span class="sourceLineNo">1435</span> * overhead. 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Therefore, even 1G empty KVs occupy at least 20GB memstore size for a single region<a name="line.1437"></a> +<span class="sourceLineNo">1438</span> */<a name="line.1438"></a> +<span class="sourceLineNo">1439</span> public static final long MAX_FLUSH_PER_CHANGES = 1000000000; // 1G<a name="line.1439"></a> +<span class="sourceLineNo">1440</span><a name="line.1440"></a> +<span class="sourceLineNo">1441</span> /**<a name="line.1441"></a> +<span class="sourceLineNo">1442</span> * Close down this HRegion. Flush the cache unless abort parameter is true,<a name="line.1442"></a> +<span class="sourceLineNo">1443</span> * Shut down each HStore, don't service any more calls.<a name="line.1443"></a> +<span class="sourceLineNo">1444</span> *<a name="line.1444"></a> +<span class="sourceLineNo">1445</span> * This method could take some time to execute, so don't call it from a<a name="line.1445"></a> +<span class="sourceLineNo">1446</span> * time-sensitive thread.<a name="line.1446"></a> +<span class="sourceLineNo">1447</span> *<a name="line.1447"></a> +<span class="sourceLineNo">1448</span> * @param abort true if server is aborting (only during testing)<a name="line.1448"></a> +<span class="sourceLineNo">1449</span> * @return Vector of all the storage files that the HRegion's component<a name="line.1449"></a> +<span class="sourceLineNo">1450</span> * HStores make use of. It's a list of StoreFile objects. Can be null if<a name="line.1450"></a> +<span class="sourceLineNo">1451</span> * we are not to close at this time or we are already closed.<a name="line.1451"></a> +<span class="sourceLineNo">1452</span> *<a name="line.1452"></a> +<span class="sourceLineNo">1453</span> * @throws IOException e<a name="line.1453"></a> +<span class="sourceLineNo">1454</span> * @throws DroppedSnapshotException Thrown when replay of wal is required<a name="line.1454"></a> +<span class="sourceLineNo">1455</span> * because a Snapshot was not properly persisted. The region is put in closing mode, and the<a name="line.1455"></a> +<span class="sourceLineNo">1456</span> * caller MUST abort after this.<a name="line.1456"></a> +<span class="sourceLineNo">1457</span> */<a name="line.1457"></a> +<span class="sourceLineNo">1458</span> public Map<byte[], List<HStoreFile>> close(boolean abort) throws IOException {<a name="line.1458"></a> +<span class="sourceLineNo">1459</span> // Only allow one thread to close at a time. Serialize them so dual<a name="line.1459"></a> +<span class="sourceLineNo">1460</span> // threads attempting to close will run up against each other.<a name="line.1460"></a> +<span class="sourceLineNo">1461</span> MonitoredTask status = TaskMonitor.get().createStatus(<a name="line.1461"></a> +<span class="sourceLineNo">1462</span> "Closing region " + this.getRegionInfo().getEncodedName() +<a name="line.1462"></a> +<span class="sourceLineNo">1463</span> (abort ? " due to abort" : ""));<a name="line.1463"></a> +<span class="sourceLineNo">1464</span><a name="line.1464"></a> +<span class="sourceLineNo">1465</span> status.setStatus("Waiting for close lock");<a name="line.1465"></a> +<span class="sourceLineNo">1466</span> try {<a name="line.1466"></a> +<span class="sourceLineNo">1467</span> synchronized (closeLock) {<a name="line.1467"></a> +<span class="sourceLineNo">1468</span> return doClose(abort, status);<a name="line.1468"></a> +<span class="sourceLineNo">1469</span> }<a name="line.1469"></a> +<span class="sourceLineNo">1470</span> } finally {<a name="line.1470"></a> +<span class="sourceLineNo">1471</span> status.cleanup();<a name="line.1471"></a> +<span class="sourceLineNo">1472</span> }<a name="line.1472"></a> +<span class="sourceLineNo">1473</span> }<a name="line.1473"></a> +<span class="sourceLineNo">1474</span><a name="line.1474"></a> +<span class="sourceLineNo">1475</span> /**<a name="line.1475"></a> +<span class="sourceLineNo">1476</span> * Exposed for some very specific unit tests.<a name="line.1476"></a> +<span class="sourceLineNo">1477</span> */<a name="line.1477"></a> +<span class="sourceLineNo">1478</span> @VisibleForTesting<a name="line.1478"></a> +<span class="sourceLineNo">1479</span> public void setClosing(boolean closing) {<a name="line.1479"></a> +<span class="sourceLineNo">1480</span> this.closing.set(closing);<a name="line.1480"></a> +<span class="sourceLineNo">1481</span> }<a name="line.1481"></a> +<span class="sourceLineNo">1482</span><a name="line.1482"></a> +<span class="sourceLineNo">1483</span> /**<a name="line.1483"></a> +<span class="sourceLineNo">1484</span> * The {@link HRegion#doClose} will block forever if someone tries proving the dead lock via the unit test.<a name="line.1484"></a> +<span class="sourceLineNo">1485</span> * Instead of blocking, the {@link HRegion#doClose} will throw exception if you set the timeout.<a name="line.1485"></a> +<span class="sourceLineNo">1486</span> * @param timeoutForWriteLock the second time to wait for the write lock in {@link HRegion#doClose}<a name="line.1486"></a> +<span class="sourceLineNo">1487</span> */<a name="line.1487"></a> +<span class="sourceLineNo">1488</span> @VisibleForTesting<a name="line.1488"></a> +<span class="sourceLineNo">1489</span> public void setTimeoutForWriteLock(long timeoutForWriteLock) {<a name="line.1489"></a> +<span class="sourceLineNo">1490</span> assert timeoutForWriteLock >= 0;<a name="line.1490"></a> +<span class="sourceLineNo">1491</span> this.timeoutForWriteLock = timeoutForWriteLock;<a name="line.1491"></a> +<span class="sourceLineNo">1492</span> }<a name="line.1492"></a> +<span class="sourceLineNo">1493</span><a name="line.1493"></a> +<span class="sourceLineNo">1494</span> @edu.umd.cs.findbugs.annotations.SuppressWarnings(value="UL_UNRELEASED_LOCK_EXCEPTION_PATH",<a name="line.1494"></a> +<span class="sourceLineNo">1495</span> justification="I think FindBugs is confused")<a name="line.1495"></a> +<span class="sourceLineNo">1496</span> private Map<byte[], List<HStoreFile>> doClose(boolean abort, MonitoredTask status)<a name="line.1496"></a> +<span class="sourceLineNo">1497</span> throws IOException {<a name="line.1497"></a> +<span class="sourceLineNo">1498</span> if (isClosed()) {<a name="line.1498"></a> +<span class="sourceLineNo">1499</span> LOG.warn("Region " + this + " already closed");<a name="line.1499"></a> +<span class="sourceLineNo">1500</span> return null;<a name="line.1500"></a> +<span class="sourceLineNo">1501</span> }<a name="line.1501"></a> +<span class="sourceLineNo">1502</span><a name="line.1502"></a> +<span class="sourceLineNo">1503</span> if (coprocessorHost != null) {<a name="line.1503"></a> +<span class="sourceLineNo">1504</span> status.setStatus("Running coprocessor pre-close hooks");<a name="line.1504"></a> +<span class="sourceLineNo">1505</span> this.coprocessorHost.preClose(abort);<a name="line.1505"></a> +<span class="sourceLineNo">1506</span> }<a name="line.1506"></a> +<span class="sourceLineNo">1507</span> status.setStatus("Disabling compacts and flushes for region");<a name="line.1507"></a> +<span class="sourceLineNo">1508</span> boolean canFlush = true;<a name="line.1508"></a> +<span class="sourceLineNo">1509</span> synchronized (writestate) {<a name="line.1509"></a> +<span class="sourceLineNo">1510</span> // Disable compacting and flushing by background threads for this<a name="line.1510"></a> +<span class="sourceLineNo">1511</span> // region.<a name="line.1511"></a> +<span class="sourceLineNo">1512</span> canFlush = !writestate.readOnly;<a name="line.1512"></a> +<span class="sourceLineNo">1513</span> writestate.writesEnabled = false;<a name="line.1513"></a> +<span class="sourceLineNo">1514</span> LOG.debug("Closing {}, disabling compactions & flushes",<a name="line.1514"></a> +<span class="sourceLineNo">1515</span> this.getRegionInfo().getEncodedName());<a name="line.1515"></a> +<span class="sourceLineNo">1516</span> waitForFlushesAndCompactions();<a name="line.1516"></a> +<span class="sourceLineNo">1517</span> }<a name="line.1517"></a> +<span class="sourceLineNo">1518</span> // If we were not just flushing, is it worth doing a preflush...one<a name="line.1518"></a> +<span class="sourceLineNo">1519</span> // that will clear out of the bulk of the memstore before we put up<a name="line.1519"></a> +<span class="sourceLineNo">1520</span> // the close flag?<a name="line.1520"></a> +<span class="sourceLineNo">1521</span> if (!abort && worthPreFlushing() && canFlush) {<a name="line.1521"></a> +<span class="sourceLineNo">1522</span> status.setStatus("Pre-flushing region before close");<a name="line.1522"></a> +<span class="sourceLineNo">1523</span> LOG.info("Running close preflush of {}" + this.getRegionInfo().getEncodedName());<a name="line.1523"></a> +<span class="sourceLineNo">1524</span> try {<a name="line.1524"></a> +<span class="sourceLineNo">1525</span> internalFlushcache(status);<a name="line.1525"></a> +<span class="sourceLineNo">1526</span> } catch (IOException ioe) {<a name="line.1526"></a> +<span class="sourceLineNo">1527</span> // Failed to flush the region. Keep going.<a name="line.1527"></a> +<span class="sourceLineNo">1528</span> status.setStatus("Failed pre-flush " + this + "; " + ioe.getMessage());<a name="line.1528"></a> +<span class="sourceLineNo">1529</span> }<a name="line.1529"></a> +<span class="sourceLineNo">1530</span> }<a name="line.1530"></a> +<span class="sourceLineNo">1531</span><a name="line.1531"></a> +<span class="sourceLineNo">1532</span> if (timeoutForWriteLock == null<a name="line.1532"></a> +<span class="sourceLineNo">1533</span> || timeoutForWriteLock == Long.MAX_VALUE) {<a name="line.1533"></a> +<span class="sourceLineNo">1534</span> // block waiting for the lock for closing<a name="line.1534"></a> +<span class="sourceLineNo">1535</span> lock.writeLock().lock(); // FindBugs: Complains UL_UNRELEASED_LOCK_EXCEPTION_PATH but seems fine<a name="line.1535"></a> +<span class="sourceLineNo">1536</span> } else {<a name="line.1536"></a> +<span class="sourceLineNo">1537</span> try {<a name="line.1537"></a> +<span class="sourceLineNo">1538</span> boolean succeed = lock.writeLock().tryLock(timeoutForWriteLock, TimeUnit.SECONDS);<a name="line.1538"></a> +<span class="sourceLineNo">1539</span> if (!succeed) {<a name="line.1539"></a> +<span class="sourceLineNo">1540</span> throw new IOException("Failed to get write lock when closing region");<a name="line.1540"></a> +<span class="sourceLineNo">1541</span> }<a name="line.1541"></a> +<span class="sourceLineNo">1542</span> } catch (InterruptedException e) {<a name="line.1542"></a> +<span class="sourceLineNo">1543</span> throw (InterruptedIOException) new InterruptedIOException().initCause(e);<a name="line.1543"></a> +<span class="sourceLineNo">1544</span> }<a name="line.1544"></a> +<span class="sourceLineNo">1545</span> }<a name="line.1545"></a> +<span class="sourceLineNo">1546</span> this.closing.set(true);<a name="line.1546"></a> +<span class="sourceLineNo">1547</span> status.setStatus("Disabling writes for close");<a name="line.1547"></a> +<span class="sourceLineNo">1548</span> try {<a name="line.1548"></a> +<span class="sourceLineNo">1549</span> if (this.isClosed()) {<a name="line.1549"></a> +<span class="sourceLineNo">1550</span> status.abort("Already got closed by another process");<a name="line.1550"></a> +<span class="sourceLineNo">1551</span> // SplitTransaction handles the null<a name="line.1551"></a> +<span class="sourceLineNo">1552</span> return null;<a name="line.1552"></a> +<span class="sourceLineNo">1553</span> }<a name="line.1553"></a> +<span class="sourceLineNo">1554</span> LOG.debug("Updates disabled for region " + this);<a name="line.1554"></a> +<span class="sourceLineNo">1555</span> // Don't flush the cache if we are aborting<a name="line.1555"></a> +<span class="sourceLineNo">1556</span> if (!abort && canFlush) {<a name="line.1556"></a> +<span class="sourceLineNo">1557</span> int failedfFlushCount = 0;<a name="line.1557"></a> +<span class="sourceLineNo">1558</span> int flushCount = 0;<a name="line.1558"></a> +<span class="sourceLineNo">1559</span> long tmp = 0;<a name="line.1559"></a> +<span class="sourceLineNo">1560</span> long remainingSize = this.memStoreSizing.getDataSize();<a name="line.1560"></a> +<span class="sourceLineNo">1561</span> while (remainingSize > 0) {<a name="line.1561"></a> +<span class="sourceLineNo">1562</span> try {<a name="line.1562"></a> +<span class="sourceLineNo">1563</span> internalFlushcache(status);<a name="line.1563"></a> +<span class="sourceLineNo">1564</span> if(flushCount >0) {<a name="line.1564"></a> +<span class="sourceLineNo">1565</span> LOG.info("Running extra flush, " + flushCount +<a name="line.1565"></a> +<span class="sourceLineNo">1566</span> " (carrying snapshot?) " + this);<a name="line.1566"></a> +<span class="sourceLineNo">1567</span> }<a name="line.1567"></a> +<span class="sourceLineNo">1568</span> flushCount++;<a name="line.1568"></a> +<span class="sourceLineNo">1569</span> tmp = this.memStoreSizing.getDataSize();<a name="line.1569"></a> +<span class="sourceLineNo">1570</span> if (tmp >= remainingSize) {<a name="line.1570"></a> +<span class="sourceLineNo">1571</span> failedfFlushCount++;<a name="line.1571"></a> +<span class="sourceLineNo">1572</span> }<a name="line.1572"></a> +<span class="sourceLineNo">1573</span> remainingSize = tmp;<a name="line.1573"></a> +<span class="sourceLineNo">1574</span> if (failedfFlushCount > 5) {<a name="line.1574"></a> +<span class="sourceLineNo">1575</span> // If we failed 5 times and are unable to clear memory, abort<a name="line.1575"></a> +<span class="sourceLineNo">1576</span> // so we do not lose data<a name="line.1576"></a> +<span class="sourceLineNo">1577</span> throw new DroppedSnapshotException("Failed clearing memory after " +<a name="line.1577"></a> +<span class="sourceLineNo">1578</span> flushCount + " attempts on region: " +<a name="line.1578"></a> +<span class="sourceLineNo">1579</span> Bytes.toStringBinary(getRegionInfo().getRegionName()));<a name="line.1579"></a> +<span class="sourceLineNo">1580</span> }<a name="line.1580"></a> +<span class="sourceLineNo">1581</span> } catch (IOException ioe) {<a name="line.1581"></a> +<span class="sourceLineNo">1582</span> status.setStatus("Failed flush " + this + ", putting online again");<a name="line.1582"></a> +<span class="sourceLineNo">1583</span> synchronized (writestate) {<a name="line.1583"></a> +<span class="sourceLineNo">1584</span> writestate.writesEnabled = true;<a name="line.1584"></a> +<span class="sourceLineNo">1585</span> }<a name="line.1585"></a> +<span class="sourceLineNo">1586</span> // Have to throw to upper layers. I can't abort server from here.<a name="line.1586"></a> +<span class="sourceLineNo">1587</span> throw ioe;<a name="line.1587"></a> +<span class="sourceLineNo">1588</span> }<a name="line.1588"></a> +<span class="sourceLineNo">1589</span> }<a name="line.1589"></a> +<span class="sourceLineNo">1590</span> }<a name="line.1590"></a> +<span class="sourceLineNo">1591</span><a name="line.1591"></a> +<span class="sourceLineNo">1592</span> Map<byte[], List<HStoreFile>> result = new TreeMap<>(Bytes.BYTES_COMPARATOR);<a name="line.1592"></a> +<span class="sourceLineNo">1593</span> if (!stores.isEmpty()) {<a name="line.1593"></a> +<span class="sourceLineNo">1594</span> // initialize the thread pool for closing stores in parallel.<a name="line.1594"></a> +<span class="sourceLineNo">1595</span> ThreadPoolExecutor storeCloserThreadPool =<a name="line.1595"></a> +<span class="sourceLineNo">1596</span> getStoreOpenAndCloseThreadPool("StoreCloserThread-" +<a name="line.1596"></a> +<span class="sourceLineNo">1597</span> getRegionInfo().getRegionNameAsString());<a name="line.1597"></a> +<span class="sourceLineNo">1598</span> CompletionService<Pair<byte[], Collection<HStoreFile>>> completionService =<a name="line.1598"></a> +<span class="sourceLineNo">1599</span> new ExecutorCompletionService<>(storeCloserThreadPool);<a name="line.1599"></a> +<span class="sourceLineNo">1600</span><a name="line.1600"></a> +<span class="sourceLineNo">1601</span> // close each store in parallel<a name="line.1601"></a> +<span class="sourceLineNo">1602</span> for (HStore store : stores.values()) {<a name="line.1602"></a> +<span class="sourceLineNo">1603</span> MemStoreSize mss = store.getFlushableSize();<a name="line.1603"></a> +<span class="sourceLineNo">1604</span> if (!(abort || mss.getDataSize() == 0 || writestate.readOnly)) {<a name="line.1604"></a> +<span class="sourceLineNo">1605</span> if (getRegionServerServices() != null) {<a name="line.1605"></a> +<span class="sourceLineNo">1606</span> getRegionServerServices().abort("Assertion failed while closing store "<a name="line.1606"></a> +<span class="sourceLineNo">1607</span> + getRegionInfo().getRegionNameAsString() + " " + store<a name="line.1607"></a> +<span class="sourceLineNo">1608</span> + ". flushableSize expected=0, actual={" + mss<a name="line.1608"></a> +<span class="sourceLineNo">1609</span> + "}. Current memStoreSize=" + this.memStoreSizing.getMemStoreSize() +<a name="line.1609"></a> +<span class="sourceLineNo">1610</span> ". Maybe a coprocessor "<a name="line.1610"></a> +<span class="sourceLineNo">1611</span> + "operation failed and left the memstore in a partially updated state.", null);<a name="line.1611"></a> +<span class="sourceLineNo">1612</span> }<a name="line.1612"></a> +<span class="sourceLineNo">1613</span> }<a name="line.1613"></a> +<span class="sourceLineNo">1614</span> completionService<a name="line.1614"></a> +<span class="sourceLineNo">1615</span> .submit(new Callable<Pair<byte[], Collection<HStoreFile>>>() {<a name="line.1615"></a> +<span class="sourceLineNo">1616</span> @Override<a name="line.1616"></a> +<span class="sourceLineNo">1617</span> public Pair<byte[], Collection<HStoreFile>> call() throws IOException {<a name="line.1617"></a> +<span class="sourceLineNo">1618</span> return new Pair<>(store.getColumnFamilyDescriptor().getName(), store.close());<a name="line.1618"></a> +<span class="sourceLineNo">1619</span> }<a name="line.1619"></a> +<span class="sourceLineNo">1620</span> });<a name="line.1620"></a> +<span class="sourceLineNo">1621</span> }<a name="line.1621"></a> +<span class="sourceLineNo">1622</span> try {<a name="line.1622"></a> +<span class="sourceLineNo">1623</span> for (int i = 0; i < stores.size(); i++) {<a name="line.1623"></a> +<span class="sourceLineNo">1624</span> Future<Pair<byte[], Collection<HStoreFile>>> future = completionService.take();<a name="line.1624"></a> +<span class="sourceLineNo">1625</span> Pair<byte[], Collection<HStoreFile>> storeFiles = future.get();<a name="line.1625"></a> +<span class="sourceLineNo">1626</span> List<HStoreFile> familyFiles = result.get(storeFiles.getFirst());<a name="line.1626"></a> +<span class="sourceLineNo">1627</span> if (familyFiles == null) {<a name="line.1627"></a> +<span class="sourceLineNo">1628</span> familyFiles = new ArrayList<>();<a name="line.1628"></a> +<span class="sourceLineNo">1629</span> result.put(storeFiles.getFirst(), familyFiles);<a name="line.1629"></a> +<span class="sourceLineNo">1630</span> }<a name="line.1630"></a> +<span class="sourceLineNo">1631</span> familyFiles.addAll(storeFiles.getSecond());<a name="line.1631"></a> +<span class="sourceLineNo">1632</span> }<a name="line.1632"></a> +<span class="sourceLineNo">1633</span> } catch (InterruptedException e) {<a name="line.1633"></a> +<span class="sourceLineNo">1634</span> throw (InterruptedIOException)new InterruptedIOException().initCause(e);<a name="line.1634"></a> +<span class="sourceLineNo">1635</span> } catch (ExecutionException e) {<a name="line.1635"></a> +<span class="sourceLineNo">1636</span> Throwable cause = e.getCause();<a name="line.1636"></a> +<span class="sourceLineNo">1637</span> if (cause instanceof IOException) {<a name="line.1637"></a> +<span class="sourceLineNo">1638</span> throw (IOException) cause;<a name="line.1638"></a> +<span class="sourceLineNo">1639</span> }<a name="line.1639"></a> +<span class="sourceLineNo">1640</span> throw new IOException(cause);<a name="line.1640"></a> +<span class="sourceLineNo">1641</span> } finally {<a name="line.1641"></a> +<span class="sourceLineNo">1642</span> storeCloserThreadPool.shutdownNow();<a name="line.1642"></a> +<span class="sourceLineNo">1643</span> }<a name="line.1643"></a> +<span class="sourceLineNo">1644</span> }<a name="line.1644"></a> +<span class="sourceLineNo">1645</span><a name="line.1645"></a> +<span class="sourceLineNo">1646</span> status.setStatus("Writing region close event to WAL");<a name="line.1646"></a> +<span class="sourceLineNo">1647</span> if (!abort && wal != null && getRegionServerServices() != null && !writestate.readOnly) {<a name="line.1647"></a> +<span class="sourceLineNo">1648</span> writeRegionCloseMarker(wal);<a name="line.1648"></a> +<span class="sourceLineNo">1649</span> }<a name="line.1649"></a> +<span class="sourceLineNo">1650</span><a name="line.1650"></a> +<span class="sourceLineNo">1651</span> this.closed.s
<TRUNCATED>