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Posted to commits@hbase.apache.org by gi...@apache.org on 2018/05/28 14:48:09 UTC
[08/24] hbase-site git commit: Published site at
1cd2b56802a58b833b78ab11093912417c9a226a.
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/387c169a/testdevapidocs/src-html/org/apache/hadoop/hbase/regionserver/TestHRegion.HRegionForTesting.html
----------------------------------------------------------------------
diff --git a/testdevapidocs/src-html/org/apache/hadoop/hbase/regionserver/TestHRegion.HRegionForTesting.html b/testdevapidocs/src-html/org/apache/hadoop/hbase/regionserver/TestHRegion.HRegionForTesting.html
index 827d1f3..1b32e2b 100644
--- a/testdevapidocs/src-html/org/apache/hadoop/hbase/regionserver/TestHRegion.HRegionForTesting.html
+++ b/testdevapidocs/src-html/org/apache/hadoop/hbase/regionserver/TestHRegion.HRegionForTesting.html
@@ -252,6332 +252,6333 @@
<span class="sourceLineNo">244</span> dir = TEST_UTIL.getDataTestDir("TestHRegion").toString();<a name="line.244"></a>
<span class="sourceLineNo">245</span> method = name.getMethodName();<a name="line.245"></a>
<span class="sourceLineNo">246</span> tableName = TableName.valueOf(method);<a name="line.246"></a>
-<span class="sourceLineNo">247</span> }<a name="line.247"></a>
-<span class="sourceLineNo">248</span><a name="line.248"></a>
-<span class="sourceLineNo">249</span> @After<a name="line.249"></a>
-<span class="sourceLineNo">250</span> public void tearDown() throws Exception {<a name="line.250"></a>
-<span class="sourceLineNo">251</span> EnvironmentEdgeManagerTestHelper.reset();<a name="line.251"></a>
-<span class="sourceLineNo">252</span> LOG.info("Cleaning test directory: " + TEST_UTIL.getDataTestDir());<a name="line.252"></a>
-<span class="sourceLineNo">253</span> TEST_UTIL.cleanupTestDir();<a name="line.253"></a>
-<span class="sourceLineNo">254</span> }<a name="line.254"></a>
-<span class="sourceLineNo">255</span><a name="line.255"></a>
-<span class="sourceLineNo">256</span> /**<a name="line.256"></a>
-<span class="sourceLineNo">257</span> * Test that I can use the max flushed sequence id after the close.<a name="line.257"></a>
-<span class="sourceLineNo">258</span> * @throws IOException<a name="line.258"></a>
-<span class="sourceLineNo">259</span> */<a name="line.259"></a>
-<span class="sourceLineNo">260</span> @Test<a name="line.260"></a>
-<span class="sourceLineNo">261</span> public void testSequenceId() throws IOException {<a name="line.261"></a>
-<span class="sourceLineNo">262</span> HRegion region = initHRegion(tableName, method, CONF, COLUMN_FAMILY_BYTES);<a name="line.262"></a>
-<span class="sourceLineNo">263</span> assertEquals(HConstants.NO_SEQNUM, region.getMaxFlushedSeqId());<a name="line.263"></a>
-<span class="sourceLineNo">264</span> // Weird. This returns 0 if no store files or no edits. Afraid to change it.<a name="line.264"></a>
-<span class="sourceLineNo">265</span> assertEquals(0, (long)region.getMaxStoreSeqId().get(COLUMN_FAMILY_BYTES));<a name="line.265"></a>
-<span class="sourceLineNo">266</span> region.close();<a name="line.266"></a>
-<span class="sourceLineNo">267</span> assertEquals(HConstants.NO_SEQNUM, region.getMaxFlushedSeqId());<a name="line.267"></a>
-<span class="sourceLineNo">268</span> assertEquals(0, (long)region.getMaxStoreSeqId().get(COLUMN_FAMILY_BYTES));<a name="line.268"></a>
-<span class="sourceLineNo">269</span> // Open region again.<a name="line.269"></a>
-<span class="sourceLineNo">270</span> region = initHRegion(tableName, method, CONF, COLUMN_FAMILY_BYTES);<a name="line.270"></a>
-<span class="sourceLineNo">271</span> byte [] value = Bytes.toBytes(method);<a name="line.271"></a>
-<span class="sourceLineNo">272</span> // Make a random put against our cf.<a name="line.272"></a>
-<span class="sourceLineNo">273</span> Put put = new Put(value);<a name="line.273"></a>
-<span class="sourceLineNo">274</span> put.addColumn(COLUMN_FAMILY_BYTES, null, value);<a name="line.274"></a>
-<span class="sourceLineNo">275</span> region.put(put);<a name="line.275"></a>
-<span class="sourceLineNo">276</span> // No flush yet so init numbers should still be in place.<a name="line.276"></a>
-<span class="sourceLineNo">277</span> assertEquals(HConstants.NO_SEQNUM, region.getMaxFlushedSeqId());<a name="line.277"></a>
-<span class="sourceLineNo">278</span> assertEquals(0, (long)region.getMaxStoreSeqId().get(COLUMN_FAMILY_BYTES));<a name="line.278"></a>
-<span class="sourceLineNo">279</span> region.flush(true);<a name="line.279"></a>
-<span class="sourceLineNo">280</span> long max = region.getMaxFlushedSeqId();<a name="line.280"></a>
-<span class="sourceLineNo">281</span> region.close();<a name="line.281"></a>
-<span class="sourceLineNo">282</span> assertEquals(max, region.getMaxFlushedSeqId());<a name="line.282"></a>
-<span class="sourceLineNo">283</span> }<a name="line.283"></a>
-<span class="sourceLineNo">284</span><a name="line.284"></a>
-<span class="sourceLineNo">285</span> /**<a name="line.285"></a>
-<span class="sourceLineNo">286</span> * Test for Bug 2 of HBASE-10466.<a name="line.286"></a>
-<span class="sourceLineNo">287</span> * "Bug 2: Conditions for the first flush of region close (so-called pre-flush) If memstoreSize<a name="line.287"></a>
-<span class="sourceLineNo">288</span> * is smaller than a certain value, or when region close starts a flush is ongoing, the first<a name="line.288"></a>
-<span class="sourceLineNo">289</span> * flush is skipped and only the second flush takes place. However, two flushes are required in<a name="line.289"></a>
-<span class="sourceLineNo">290</span> * case previous flush fails and leaves some data in snapshot. The bug could cause loss of data<a name="line.290"></a>
-<span class="sourceLineNo">291</span> * in current memstore. The fix is removing all conditions except abort check so we ensure 2<a name="line.291"></a>
-<span class="sourceLineNo">292</span> * flushes for region close."<a name="line.292"></a>
-<span class="sourceLineNo">293</span> * @throws IOException<a name="line.293"></a>
-<span class="sourceLineNo">294</span> */<a name="line.294"></a>
-<span class="sourceLineNo">295</span> @Test<a name="line.295"></a>
-<span class="sourceLineNo">296</span> public void testCloseCarryingSnapshot() throws IOException {<a name="line.296"></a>
-<span class="sourceLineNo">297</span> HRegion region = initHRegion(tableName, method, CONF, COLUMN_FAMILY_BYTES);<a name="line.297"></a>
-<span class="sourceLineNo">298</span> HStore store = region.getStore(COLUMN_FAMILY_BYTES);<a name="line.298"></a>
-<span class="sourceLineNo">299</span> // Get some random bytes.<a name="line.299"></a>
-<span class="sourceLineNo">300</span> byte [] value = Bytes.toBytes(method);<a name="line.300"></a>
-<span class="sourceLineNo">301</span> // Make a random put against our cf.<a name="line.301"></a>
-<span class="sourceLineNo">302</span> Put put = new Put(value);<a name="line.302"></a>
-<span class="sourceLineNo">303</span> put.addColumn(COLUMN_FAMILY_BYTES, null, value);<a name="line.303"></a>
-<span class="sourceLineNo">304</span> // First put something in current memstore, which will be in snapshot after flusher.prepare()<a name="line.304"></a>
-<span class="sourceLineNo">305</span> region.put(put);<a name="line.305"></a>
-<span class="sourceLineNo">306</span> StoreFlushContext storeFlushCtx = store.createFlushContext(12345, FlushLifeCycleTracker.DUMMY);<a name="line.306"></a>
-<span class="sourceLineNo">307</span> storeFlushCtx.prepare();<a name="line.307"></a>
-<span class="sourceLineNo">308</span> // Second put something in current memstore<a name="line.308"></a>
-<span class="sourceLineNo">309</span> put.addColumn(COLUMN_FAMILY_BYTES, Bytes.toBytes("abc"), value);<a name="line.309"></a>
-<span class="sourceLineNo">310</span> region.put(put);<a name="line.310"></a>
-<span class="sourceLineNo">311</span> // Close with something in memstore and something in the snapshot. Make sure all is cleared.<a name="line.311"></a>
-<span class="sourceLineNo">312</span> region.close();<a name="line.312"></a>
-<span class="sourceLineNo">313</span> assertEquals(0, region.getMemStoreDataSize());<a name="line.313"></a>
-<span class="sourceLineNo">314</span> HBaseTestingUtility.closeRegionAndWAL(region);<a name="line.314"></a>
-<span class="sourceLineNo">315</span> }<a name="line.315"></a>
-<span class="sourceLineNo">316</span><a name="line.316"></a>
-<span class="sourceLineNo">317</span> /*<a name="line.317"></a>
-<span class="sourceLineNo">318</span> * This test is for verifying memstore snapshot size is correctly updated in case of rollback<a name="line.318"></a>
-<span class="sourceLineNo">319</span> * See HBASE-10845<a name="line.319"></a>
-<span class="sourceLineNo">320</span> */<a name="line.320"></a>
-<span class="sourceLineNo">321</span> @Test<a name="line.321"></a>
-<span class="sourceLineNo">322</span> public void testMemstoreSnapshotSize() throws IOException {<a name="line.322"></a>
-<span class="sourceLineNo">323</span> class MyFaultyFSLog extends FaultyFSLog {<a name="line.323"></a>
-<span class="sourceLineNo">324</span> StoreFlushContext storeFlushCtx;<a name="line.324"></a>
-<span class="sourceLineNo">325</span> public MyFaultyFSLog(FileSystem fs, Path rootDir, String logName, Configuration conf)<a name="line.325"></a>
-<span class="sourceLineNo">326</span> throws IOException {<a name="line.326"></a>
-<span class="sourceLineNo">327</span> super(fs, rootDir, logName, conf);<a name="line.327"></a>
-<span class="sourceLineNo">328</span> }<a name="line.328"></a>
-<span class="sourceLineNo">329</span><a name="line.329"></a>
-<span class="sourceLineNo">330</span> void setStoreFlushCtx(StoreFlushContext storeFlushCtx) {<a name="line.330"></a>
-<span class="sourceLineNo">331</span> this.storeFlushCtx = storeFlushCtx;<a name="line.331"></a>
-<span class="sourceLineNo">332</span> }<a name="line.332"></a>
-<span class="sourceLineNo">333</span><a name="line.333"></a>
-<span class="sourceLineNo">334</span> @Override<a name="line.334"></a>
-<span class="sourceLineNo">335</span> public void sync(long txid) throws IOException {<a name="line.335"></a>
-<span class="sourceLineNo">336</span> storeFlushCtx.prepare();<a name="line.336"></a>
-<span class="sourceLineNo">337</span> super.sync(txid);<a name="line.337"></a>
-<span class="sourceLineNo">338</span> }<a name="line.338"></a>
-<span class="sourceLineNo">339</span> }<a name="line.339"></a>
-<span class="sourceLineNo">340</span><a name="line.340"></a>
-<span class="sourceLineNo">341</span> FileSystem fs = FileSystem.get(CONF);<a name="line.341"></a>
-<span class="sourceLineNo">342</span> Path rootDir = new Path(dir + "testMemstoreSnapshotSize");<a name="line.342"></a>
-<span class="sourceLineNo">343</span> MyFaultyFSLog faultyLog = new MyFaultyFSLog(fs, rootDir, "testMemstoreSnapshotSize", CONF);<a name="line.343"></a>
-<span class="sourceLineNo">344</span> HRegion region = initHRegion(tableName, null, null, false, Durability.SYNC_WAL, faultyLog,<a name="line.344"></a>
-<span class="sourceLineNo">345</span> COLUMN_FAMILY_BYTES);<a name="line.345"></a>
-<span class="sourceLineNo">346</span><a name="line.346"></a>
-<span class="sourceLineNo">347</span> HStore store = region.getStore(COLUMN_FAMILY_BYTES);<a name="line.347"></a>
-<span class="sourceLineNo">348</span> // Get some random bytes.<a name="line.348"></a>
-<span class="sourceLineNo">349</span> byte [] value = Bytes.toBytes(method);<a name="line.349"></a>
-<span class="sourceLineNo">350</span> faultyLog.setStoreFlushCtx(store.createFlushContext(12345, FlushLifeCycleTracker.DUMMY));<a name="line.350"></a>
-<span class="sourceLineNo">351</span><a name="line.351"></a>
-<span class="sourceLineNo">352</span> Put put = new Put(value);<a name="line.352"></a>
-<span class="sourceLineNo">353</span> put.addColumn(COLUMN_FAMILY_BYTES, Bytes.toBytes("abc"), value);<a name="line.353"></a>
-<span class="sourceLineNo">354</span> faultyLog.setFailureType(FaultyFSLog.FailureType.SYNC);<a name="line.354"></a>
-<span class="sourceLineNo">355</span><a name="line.355"></a>
-<span class="sourceLineNo">356</span> boolean threwIOE = false;<a name="line.356"></a>
-<span class="sourceLineNo">357</span> try {<a name="line.357"></a>
-<span class="sourceLineNo">358</span> region.put(put);<a name="line.358"></a>
-<span class="sourceLineNo">359</span> } catch (IOException ioe) {<a name="line.359"></a>
-<span class="sourceLineNo">360</span> threwIOE = true;<a name="line.360"></a>
-<span class="sourceLineNo">361</span> } finally {<a name="line.361"></a>
-<span class="sourceLineNo">362</span> assertTrue("The regionserver should have thrown an exception", threwIOE);<a name="line.362"></a>
-<span class="sourceLineNo">363</span> }<a name="line.363"></a>
-<span class="sourceLineNo">364</span> MemStoreSize mss = store.getFlushableSize();<a name="line.364"></a>
-<span class="sourceLineNo">365</span> assertTrue("flushable size should be zero, but it is " + mss,<a name="line.365"></a>
-<span class="sourceLineNo">366</span> mss.getDataSize() == 0);<a name="line.366"></a>
-<span class="sourceLineNo">367</span> HBaseTestingUtility.closeRegionAndWAL(region);<a name="line.367"></a>
-<span class="sourceLineNo">368</span> }<a name="line.368"></a>
-<span class="sourceLineNo">369</span><a name="line.369"></a>
-<span class="sourceLineNo">370</span> /**<a name="line.370"></a>
-<span class="sourceLineNo">371</span> * Create a WAL outside of the usual helper in<a name="line.371"></a>
-<span class="sourceLineNo">372</span> * {@link HBaseTestingUtility#createWal(Configuration, Path, RegionInfo)} because that method<a name="line.372"></a>
-<span class="sourceLineNo">373</span> * doesn't play nicely with FaultyFileSystem. Call this method before overriding<a name="line.373"></a>
-<span class="sourceLineNo">374</span> * {@code fs.file.impl}.<a name="line.374"></a>
-<span class="sourceLineNo">375</span> * @param callingMethod a unique component for the path, probably the name of the test method.<a name="line.375"></a>
-<span class="sourceLineNo">376</span> */<a name="line.376"></a>
-<span class="sourceLineNo">377</span> private static WAL createWALCompatibleWithFaultyFileSystem(String callingMethod,<a name="line.377"></a>
-<span class="sourceLineNo">378</span> Configuration conf, TableName tableName) throws IOException {<a name="line.378"></a>
-<span class="sourceLineNo">379</span> final Path logDir = TEST_UTIL.getDataTestDirOnTestFS(callingMethod + ".log");<a name="line.379"></a>
-<span class="sourceLineNo">380</span> final Configuration walConf = new Configuration(conf);<a name="line.380"></a>
-<span class="sourceLineNo">381</span> FSUtils.setRootDir(walConf, logDir);<a name="line.381"></a>
-<span class="sourceLineNo">382</span> return new WALFactory(walConf, callingMethod)<a name="line.382"></a>
-<span class="sourceLineNo">383</span> .getWAL(RegionInfoBuilder.newBuilder(tableName).build());<a name="line.383"></a>
-<span class="sourceLineNo">384</span> }<a name="line.384"></a>
-<span class="sourceLineNo">385</span><a name="line.385"></a>
-<span class="sourceLineNo">386</span> @Test<a name="line.386"></a>
-<span class="sourceLineNo">387</span> public void testMemstoreSizeAccountingWithFailedPostBatchMutate() throws IOException {<a name="line.387"></a>
-<span class="sourceLineNo">388</span> String testName = "testMemstoreSizeAccountingWithFailedPostBatchMutate";<a name="line.388"></a>
-<span class="sourceLineNo">389</span> FileSystem fs = FileSystem.get(CONF);<a name="line.389"></a>
-<span class="sourceLineNo">390</span> Path rootDir = new Path(dir + testName);<a name="line.390"></a>
-<span class="sourceLineNo">391</span> FSHLog hLog = new FSHLog(fs, rootDir, testName, CONF);<a name="line.391"></a>
-<span class="sourceLineNo">392</span> HRegion region = initHRegion(tableName, null, null, false, Durability.SYNC_WAL, hLog,<a name="line.392"></a>
-<span class="sourceLineNo">393</span> COLUMN_FAMILY_BYTES);<a name="line.393"></a>
-<span class="sourceLineNo">394</span> HStore store = region.getStore(COLUMN_FAMILY_BYTES);<a name="line.394"></a>
-<span class="sourceLineNo">395</span> assertEquals(0, region.getMemStoreDataSize());<a name="line.395"></a>
-<span class="sourceLineNo">396</span><a name="line.396"></a>
-<span class="sourceLineNo">397</span> // Put one value<a name="line.397"></a>
-<span class="sourceLineNo">398</span> byte [] value = Bytes.toBytes(method);<a name="line.398"></a>
-<span class="sourceLineNo">399</span> Put put = new Put(value);<a name="line.399"></a>
-<span class="sourceLineNo">400</span> put.addColumn(COLUMN_FAMILY_BYTES, Bytes.toBytes("abc"), value);<a name="line.400"></a>
-<span class="sourceLineNo">401</span> region.put(put);<a name="line.401"></a>
-<span class="sourceLineNo">402</span> long onePutSize = region.getMemStoreDataSize();<a name="line.402"></a>
-<span class="sourceLineNo">403</span> assertTrue(onePutSize > 0);<a name="line.403"></a>
-<span class="sourceLineNo">404</span><a name="line.404"></a>
-<span class="sourceLineNo">405</span> RegionCoprocessorHost mockedCPHost = Mockito.mock(RegionCoprocessorHost.class);<a name="line.405"></a>
-<span class="sourceLineNo">406</span> doThrow(new IOException())<a name="line.406"></a>
-<span class="sourceLineNo">407</span> .when(mockedCPHost).postBatchMutate(Mockito.<MiniBatchOperationInProgress<Mutation>>any());<a name="line.407"></a>
-<span class="sourceLineNo">408</span> region.setCoprocessorHost(mockedCPHost);<a name="line.408"></a>
-<span class="sourceLineNo">409</span><a name="line.409"></a>
-<span class="sourceLineNo">410</span> put = new Put(value);<a name="line.410"></a>
-<span class="sourceLineNo">411</span> put.addColumn(COLUMN_FAMILY_BYTES, Bytes.toBytes("dfg"), value);<a name="line.411"></a>
-<span class="sourceLineNo">412</span> try {<a name="line.412"></a>
-<span class="sourceLineNo">413</span> region.put(put);<a name="line.413"></a>
-<span class="sourceLineNo">414</span> fail("Should have failed with IOException");<a name="line.414"></a>
-<span class="sourceLineNo">415</span> } catch (IOException expected) {<a name="line.415"></a>
-<span class="sourceLineNo">416</span> }<a name="line.416"></a>
-<span class="sourceLineNo">417</span> long expectedSize = onePutSize * 2;<a name="line.417"></a>
-<span class="sourceLineNo">418</span> assertEquals("memstoreSize should be incremented",<a name="line.418"></a>
-<span class="sourceLineNo">419</span> expectedSize, region.getMemStoreDataSize());<a name="line.419"></a>
-<span class="sourceLineNo">420</span> assertEquals("flushable size should be incremented",<a name="line.420"></a>
-<span class="sourceLineNo">421</span> expectedSize, store.getFlushableSize().getDataSize());<a name="line.421"></a>
-<span class="sourceLineNo">422</span><a name="line.422"></a>
-<span class="sourceLineNo">423</span> region.setCoprocessorHost(null);<a name="line.423"></a>
-<span class="sourceLineNo">424</span> HBaseTestingUtility.closeRegionAndWAL(region);<a name="line.424"></a>
-<span class="sourceLineNo">425</span> }<a name="line.425"></a>
-<span class="sourceLineNo">426</span><a name="line.426"></a>
-<span class="sourceLineNo">427</span> /**<a name="line.427"></a>
-<span class="sourceLineNo">428</span> * Test we do not lose data if we fail a flush and then close.<a name="line.428"></a>
-<span class="sourceLineNo">429</span> * Part of HBase-10466. Tests the following from the issue description:<a name="line.429"></a>
-<span class="sourceLineNo">430</span> * "Bug 1: Wrong calculation of HRegion.memstoreSize: When a flush fails, data to be flushed is<a name="line.430"></a>
-<span class="sourceLineNo">431</span> * kept in each MemStore's snapshot and wait for next flush attempt to continue on it. But when<a name="line.431"></a>
-<span class="sourceLineNo">432</span> * the next flush succeeds, the counter of total memstore size in HRegion is always deduced by<a name="line.432"></a>
-<span class="sourceLineNo">433</span> * the sum of current memstore sizes instead of snapshots left from previous failed flush. This<a name="line.433"></a>
-<span class="sourceLineNo">434</span> * calculation is problematic that almost every time there is failed flush, HRegion.memstoreSize<a name="line.434"></a>
-<span class="sourceLineNo">435</span> * gets reduced by a wrong value. If region flush could not proceed for a couple cycles, the size<a name="line.435"></a>
-<span class="sourceLineNo">436</span> * in current memstore could be much larger than the snapshot. It's likely to drift memstoreSize<a name="line.436"></a>
-<span class="sourceLineNo">437</span> * much smaller than expected. In extreme case, if the error accumulates to even bigger than<a name="line.437"></a>
-<span class="sourceLineNo">438</span> * HRegion's memstore size limit, any further flush is skipped because flush does not do anything<a name="line.438"></a>
-<span class="sourceLineNo">439</span> * if memstoreSize is not larger than 0."<a name="line.439"></a>
-<span class="sourceLineNo">440</span> * @throws Exception<a name="line.440"></a>
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-<span class="sourceLineNo">442</span> @Test<a name="line.442"></a>
-<span class="sourceLineNo">443</span> public void testFlushSizeAccounting() throws Exception {<a name="line.443"></a>
-<span class="sourceLineNo">444</span> final Configuration conf = HBaseConfiguration.create(CONF);<a name="line.444"></a>
-<span class="sourceLineNo">445</span> final WAL wal = createWALCompatibleWithFaultyFileSystem(method, conf, tableName);<a name="line.445"></a>
-<span class="sourceLineNo">446</span> // Only retry once.<a name="line.446"></a>
-<span class="sourceLineNo">447</span> conf.setInt("hbase.hstore.flush.retries.number", 1);<a name="line.447"></a>
-<span class="sourceLineNo">448</span> final User user =<a name="line.448"></a>
-<span class="sourceLineNo">449</span> User.createUserForTesting(conf, method, new String[]{"foo"});<a name="line.449"></a>
-<span class="sourceLineNo">450</span> // Inject our faulty LocalFileSystem<a name="line.450"></a>
-<span class="sourceLineNo">451</span> conf.setClass("fs.file.impl", FaultyFileSystem.class, FileSystem.class);<a name="line.451"></a>
-<span class="sourceLineNo">452</span> user.runAs(new PrivilegedExceptionAction<Object>() {<a name="line.452"></a>
-<span class="sourceLineNo">453</span> @Override<a name="line.453"></a>
-<span class="sourceLineNo">454</span> public Object run() throws Exception {<a name="line.454"></a>
-<span class="sourceLineNo">455</span> // Make sure it worked (above is sensitive to caching details in hadoop core)<a name="line.455"></a>
-<span class="sourceLineNo">456</span> FileSystem fs = FileSystem.get(conf);<a name="line.456"></a>
-<span class="sourceLineNo">457</span> Assert.assertEquals(FaultyFileSystem.class, fs.getClass());<a name="line.457"></a>
-<span class="sourceLineNo">458</span> FaultyFileSystem ffs = (FaultyFileSystem)fs;<a name="line.458"></a>
-<span class="sourceLineNo">459</span> HRegion region = null;<a name="line.459"></a>
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+<span class="sourceLineNo">257</span> /**<a name="line.257"></a>
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+<span class="sourceLineNo">265</span> // Weird. This returns 0 if no store files or no edits. Afraid to change it.<a name="line.265"></a>
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+<span class="sourceLineNo">291</span> * case previous flush fails and leaves som
<TRUNCATED>