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Hadoop QA commented on HBASE-14391: ----------------------------------- {color:red}-1 overall{color}. Here are the results of testing the latest attachment http://issues.apache.org/jira/secure/attachment/12755304/HBASE_14391_trunk_v2.patch against master branch at commit a9157379a3046a9d4c377675c932257c4ecb6597. ATTACHMENT ID: 12755304 {color:green}+1 @author{color}. The patch does not contain any @author tags. {color:red}-1 tests included{color}. The patch doesn't appear to include any new or modified tests. Please justify why no new tests are needed for this patch. Also please list what manual steps were performed to verify this patch. {color:green}+1 hadoop versions{color}. The patch compiles with all supported hadoop versions (2.4.0 2.4.1 2.5.0 2.5.1 2.5.2 2.6.0 2.7.0 2.7.1) {color:green}+1 javac{color}. The applied patch does not increase the total number of javac compiler warnings. {color:green}+1 protoc{color}. The applied patch does not increase the total number of protoc compiler warnings. {color:green}+1 javadoc{color}. The javadoc tool did not generate any warning messages. {color:green}+1 checkstyle{color}. The applied patch does not increase the total number of checkstyle errors {color:green}+1 findbugs{color}. The patch does not introduce any new Findbugs (version 2.0.3) warnings. {color:green}+1 release audit{color}. The applied patch does not increase the total number of release audit warnings. {color:green}+1 lineLengths{color}. The patch does not introduce lines longer than 100 {color:green}+1 site{color}. The mvn post-site goal succeeds with this patch. {color:red}-1 core tests{color}. The patch failed these unit tests: org.apache.hadoop.hbase.regionserver.TestKeepDeletes org.apache.hadoop.hbase.client.TestIntraRowPagination org.apache.hadoop.hbase.filter.TestColumnPrefixFilter org.apache.hadoop.hbase.filter.TestMultipleColumnPrefixFilter org.apache.hadoop.hbase.regionserver.TestColumnSeeking org.apache.hadoop.hbase.regionserver.TestHRegionInfo org.apache.hadoop.hbase.filter.TestInvocationRecordFilter org.apache.hadoop.hbase.io.encoding.TestPrefixTree org.apache.hadoop.hbase.io.encoding.TestSeekBeforeWithReverseScan org.apache.hadoop.hbase.coprocessor.TestRegionObserverStacking org.apache.hadoop.hbase.regionserver.TestRegionMergeTransaction org.apache.hadoop.hbase.regionserver.TestMinVersions org.apache.hadoop.hbase.regionserver.TestScanner org.apache.hadoop.hbase.regionserver.TestDefaultCompactSelection org.apache.hadoop.hbase.io.hfile.TestScannerSelectionUsingKeyRange org.apache.hadoop.hbase.regionserver.wal.TestLogRollingNoCluster org.apache.hadoop.hbase.regionserver.wal.TestWALActionsListener org.apache.hadoop.hbase.regionserver.TestSplitTransaction org.apache.hadoop.hbase.filter.TestDependentColumnFilter org.apache.hadoop.hbase.filter.TestFilter org.apache.hadoop.hbase.regionserver.TestResettingCounters org.apache.hadoop.hbase.coprocessor.TestCoprocessorInterface org.apache.hadoop.hbase.regionserver.TestWideScanner org.apache.hadoop.hbase.regionserver.TestScanWithBloomError Test results: https://builds.apache.org/job/PreCommit-HBASE-Build/15576//testReport/ Release Findbugs (version 2.0.3) warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/15576//artifact/patchprocess/newFindbugsWarnings.html Checkstyle Errors: https://builds.apache.org/job/PreCommit-HBASE-Build/15576//artifact/patchprocess/checkstyle-aggregate.html Console output: https://builds.apache.org/job/PreCommit-HBASE-Build/15576//console This message is automatically generated. > Empty regionserver WAL will never be deleted although the coresponding > regionserver has been stale > -------------------------------------------------------------------------------------------------- > > Key: HBASE-14391 > URL: https://issues.apache.org/jira/browse/HBASE-14391 > Project: HBase > Issue Type: Bug > Components: wal > Affects Versions: 1.0.2 > Reporter: Qianxi Zhang > Assignee: Qianxi Zhang > Attachments: HBASE_14391_trunk_v1.patch, HBASE_14391_trunk_v2.patch, > WALs-leftover-dir.txt > > > When I restarted the hbase cluster in which there was few data, I found there > are two directories for one host with different timestamp which indicates > that the old regionserver wal directory is not deleted. > FHLog#989 > {code} > @Override > public void close() throws IOException { > shutdown(); > final FileStatus[] files = getFiles(); > if (null != files && 0 != files.length) { > for (FileStatus file : files) { > Path p = getWALArchivePath(this.fullPathArchiveDir, file.getPath()); > // Tell our listeners that a log is going to be archived. > if (!this.listeners.isEmpty()) { > for (WALActionsListener i : this.listeners) { > i.preLogArchive(file.getPath(), p); > } > } > if (!FSUtils.renameAndSetModifyTime(fs, file.getPath(), p)) { > throw new IOException("Unable to rename " + file.getPath() + " to " > + p); > } > // Tell our listeners that a log was archived. > if (!this.listeners.isEmpty()) { > for (WALActionsListener i : this.listeners) { > i.postLogArchive(file.getPath(), p); > } > } > } > LOG.debug("Moved " + files.length + " WAL file(s) to " + > FSUtils.getPath(this.fullPathArchiveDir)); > } > LOG.info("Closed WAL: " + toString()); > } > {code} > When regionserver is stopped, the hlog will be archived, so wal/regionserver > is empty in hdfs. > MasterFileSystem#252 > {code} > if (curLogFiles == null || curLogFiles.length == 0) { > // Empty log folder. No recovery needed > continue; > } > {code} > The regionserver directory will be not splitted, it makes sense. But it will > be not deleted. -- This message was sent by Atlassian JIRA (v6.3.4#6332)