[
https://issues.apache.org/jira/browse/HBASE-15392?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15190892#comment-15190892
]
Hadoop QA commented on HBASE-15392:
-----------------------------------
| (x) *{color:red}-1 overall{color}* |
\\
\\
|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | {color:blue} reexec {color} | {color:blue} 0m 12s
{color} | {color:blue} Docker mode activated. {color} |
| {color:green}+1{color} | {color:green} hbaseanti {color} | {color:green} 0m
0s {color} | {color:green} Patch does not have any anti-patterns. {color} |
| {color:green}+1{color} | {color:green} @author {color} | {color:green} 0m 0s
{color} | {color:green} The patch does not contain any @author tags. {color} |
| {color:green}+1{color} | {color:green} test4tests {color} | {color:green} 0m
0s {color} | {color:green} The patch appears to include 3 new or modified test
files. {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 3m
6s {color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 38s
{color} | {color:green} master passed with JDK v1.8.0_74 {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 35s
{color} | {color:green} master passed with JDK v1.7.0_95 {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 4m
7s {color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 0m
17s {color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 2m 3s
{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 36s
{color} | {color:green} master passed with JDK v1.8.0_74 {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 35s
{color} | {color:green} master passed with JDK v1.7.0_95 {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 0m
46s {color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 44s
{color} | {color:green} the patch passed with JDK v1.8.0_74 {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 0m 44s
{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 36s
{color} | {color:green} the patch passed with JDK v1.7.0_95 {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 0m 36s
{color} | {color:green} the patch passed {color} |
| {color:red}-1{color} | {color:red} checkstyle {color} | {color:red} 4m 5s
{color} | {color:red} hbase-server: patch generated 10 new + 175 unchanged - 9
fixed = 185 total (was 184) {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 0m
18s {color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} whitespace {color} | {color:green} 0m
0s {color} | {color:green} Patch has no whitespace issues. {color} |
| {color:green}+1{color} | {color:green} hadoopcheck {color} | {color:green}
26m 55s {color} | {color:green} Patch does not cause any errors with Hadoop
2.4.0 2.4.1 2.5.0 2.5.1 2.5.2 2.6.1 2.6.2 2.6.3 2.7.1. {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 2m
14s {color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 32s
{color} | {color:green} the patch passed with JDK v1.8.0_74 {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 35s
{color} | {color:green} the patch passed with JDK v1.7.0_95 {color} |
| {color:red}-1{color} | {color:red} unit {color} | {color:red} 64m 26s {color}
| {color:red} hbase-server in the patch failed with JDK v1.8.0_74. {color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green} 110m 21s
{color} | {color:green} hbase-server in the patch passed with JDK v1.7.0_95.
{color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green} 0m
18s {color} | {color:green} Patch does not generate ASF License warnings.
{color} |
| {color:black}{color} | {color:black} {color} | {color:black} 224m 35s {color}
| {color:black} {color} |
\\
\\
|| Reason || Tests ||
| JDK v1.8.0_74 Timed out junit tests |
org.apache.hadoop.hbase.master.procedure.TestServerCrashProcedure |
| | org.apache.hadoop.hbase.master.procedure.TestModifyTableProcedure |
| | org.apache.hadoop.hbase.snapshot.TestSnapshotClientRetries |
| | org.apache.hadoop.hbase.master.balancer.TestStochasticLoadBalancer2 |
| | org.apache.hadoop.hbase.master.TestMasterFailover |
| | org.apache.hadoop.hbase.coprocessor.TestRegionObserverScannerOpenHook |
| | org.apache.hadoop.hbase.wal.TestWALFiltering |
| | org.apache.hadoop.hbase.coprocessor.TestRegionServerObserver |
| | org.apache.hadoop.hbase.wal.TestDefaultWALProviderWithHLogKey |
| | org.apache.hadoop.hbase.TestZooKeeper |
| | org.apache.hadoop.hbase.wal.TestWALSplitCompressed |
| | org.apache.hadoop.hbase.util.hbck.TestOfflineMetaRebuildHole |
| | org.apache.hadoop.hbase.client.TestMetaWithReplicas |
| | org.apache.hadoop.hbase.util.TestHBaseFsckEncryption |
| | org.apache.hadoop.hbase.master.TestTableLockManager |
| | org.apache.hadoop.hbase.master.procedure.TestMasterFailoverWithProcedures
|
| | org.apache.hadoop.hbase.master.TestSplitLogManager |
| | org.apache.hadoop.hbase.master.procedure.TestWALProcedureStoreOnHDFS |
| | org.apache.hadoop.hbase.TestClusterBootOrder |
| | org.apache.hadoop.hbase.util.hbck.TestOfflineMetaRebuildOverlap |
| | org.apache.hadoop.hbase.master.TestRollingRestart |
| | org.apache.hadoop.hbase.master.balancer.TestStochasticLoadBalancer |
| | org.apache.hadoop.hbase.regionserver.TestRegionMergeTransactionOnCluster |
| | org.apache.hadoop.hbase.util.TestMiniClusterLoadEncoded |
| | org.apache.hadoop.hbase.io.encoding.TestDataBlockEncoders |
| | org.apache.hadoop.hbase.util.TestMiniClusterLoadSequential |
| | org.apache.hadoop.hbase.util.TestFanOutOneBlockAsyncDFSOutput |
| | org.apache.hadoop.hbase.master.TestMasterShutdown |
| | org.apache.hadoop.hbase.io.hfile.TestScannerSelectionUsingTTL |
| | org.apache.hadoop.hbase.mob.TestExpiredMobFileCleaner |
| | org.apache.hadoop.hbase.master.TestAssignmentManagerOnCluster |
| | org.apache.hadoop.hbase.TestAcidGuarantees |
| | org.apache.hadoop.hbase.TestGlobalMemStoreSize |
| | org.apache.hadoop.hbase.io.hfile.TestSeekBeforeWithInlineBlocks |
| | org.apache.hadoop.hbase.zookeeper.lock.TestZKInterProcessReadWriteLock |
| | org.apache.hadoop.hbase.io.hfile.TestForceCacheImportantBlocks |
| | org.apache.hadoop.hbase.io.hfile.TestHFileBlockIndex |
| | org.apache.hadoop.hbase.TestMovedRegionsCleaner |
| | org.apache.hadoop.hbase.TestRegionRebalancing |
| |
org.apache.hadoop.hbase.security.visibility.TestVisibilityLabelReplicationWithExpAsString
|
| |
org.apache.hadoop.hbase.security.visibility.TestVisibilityLabelsReplication |
| | org.apache.hadoop.hbase.TestHBaseOnOtherDfsCluster |
| | org.apache.hadoop.hbase.util.TestMergeTable |
| | org.apache.hadoop.hbase.util.hbck.TestOfflineMetaRebuildBase |
| | org.apache.hadoop.hbase.util.TestMergeTool |
| | org.apache.hadoop.hbase.master.snapshot.TestSnapshotFileCache |
| | org.apache.hadoop.hbase.master.TestMasterNoCluster |
| | org.apache.hadoop.hbase.master.TestRestartCluster |
| | org.apache.hadoop.hbase.TestIOFencing |
| | org.apache.hadoop.hbase.util.TestMiniClusterLoadParallel |
| | org.apache.hadoop.hbase.io.hfile.TestCacheOnWrite |
| | org.apache.hadoop.hbase.io.encoding.TestLoadAndSwitchEncodeOnDisk |
| | org.apache.hadoop.hbase.client.TestTableSnapshotScanner |
| |
org.apache.hadoop.hbase.replication.regionserver.TestReplicationWALReaderManager
|
| | org.apache.hadoop.hbase.fs.TestBlockReorder |
| | org.apache.hadoop.hbase.wal.TestDefaultWALProvider |
| |
org.apache.hadoop.hbase.coprocessor.TestRegionServerCoprocessorExceptionWithAbort
|
| | org.apache.hadoop.hbase.util.TestConnectionCache |
| | org.apache.hadoop.hbase.replication.TestMultiSlaveReplication |
| | org.apache.hadoop.hbase.io.hfile.TestHFileBlock |
| | org.apache.hadoop.hbase.wal.TestBoundedRegionGroupingStrategy |
| | org.apache.hadoop.hbase.wal.TestWALFactory |
| | org.apache.hadoop.hbase.mapreduce.TestTableSnapshotInputFormat |
| | org.apache.hadoop.hbase.replication.TestMasterReplication |
| | org.apache.hadoop.hbase.io.TestFileLink |
| | org.apache.hadoop.hbase.mapred.TestTableSnapshotInputFormat |
| | org.apache.hadoop.hbase.util.TestFSUtils |
| | org.apache.hadoop.hbase.io.encoding.TestBufferedDataBlockEncoder |
| | org.apache.hadoop.hbase.io.encoding.TestEncodedSeekers |
| | org.apache.hadoop.hbase.wal.TestWALSplit |
\\
\\
|| Subsystem || Report/Notes ||
| Docker | Client=1.9.1 Server=1.9.1 Image:yetus/hbase:date2016-03-11 |
| JIRA Patch URL |
https://issues.apache.org/jira/secure/attachment/12792672/15392v5.patch |
| JIRA Issue | HBASE-15392 |
| Optional Tests | asflicense javac javadoc unit findbugs hadoopcheck
hbaseanti checkstyle compile |
| uname | Linux 738cef1af5f9 3.13.0-36-lowlatency #63-Ubuntu SMP PREEMPT Wed
Sep 3 21:56:12 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux |
| Build tool | maven |
| Personality |
/home/jenkins/jenkins-slave/workspace/PreCommit-HBASE-Build/component/dev-support/hbase-personality.sh
|
| git revision | master / eea8b38 |
| Default Java | 1.7.0_95 |
| Multi-JDK versions | /usr/lib/jvm/java-8-oracle:1.8.0_74
/usr/lib/jvm/java-7-openjdk-amd64:1.7.0_95 |
| findbugs | v3.0.0 |
| checkstyle |
https://builds.apache.org/job/PreCommit-HBASE-Build/941/artifact/patchprocess/diff-checkstyle-hbase-server.txt
|
| unit |
https://builds.apache.org/job/PreCommit-HBASE-Build/941/artifact/patchprocess/patch-unit-hbase-server-jdk1.8.0_74.txt
|
| unit test logs |
https://builds.apache.org/job/PreCommit-HBASE-Build/941/artifact/patchprocess/patch-unit-hbase-server-jdk1.8.0_74.txt
|
| JDK v1.7.0_95 Test Results |
https://builds.apache.org/job/PreCommit-HBASE-Build/941/testReport/ |
| modules | C: hbase-server U: hbase-server |
| Console output |
https://builds.apache.org/job/PreCommit-HBASE-Build/941/console |
| Powered by | Apache Yetus 0.2.0 http://yetus.apache.org |
This message was automatically generated.
> Single Cell Get reads two HFileBlocks
> -------------------------------------
>
> Key: HBASE-15392
> URL: https://issues.apache.org/jira/browse/HBASE-15392
> Project: HBase
> Issue Type: Sub-task
> Components: BucketCache
> Reporter: stack
> Assignee: stack
> Attachments: 15392-0.98-looksee.txt, 15392.wip.patch,
> 15392v2.wip.patch, 15392v3.wip.patch, 15392v4.patch, 15392v5.patch,
> HBASE-15392_suggest.patch, gc.png, gc.png, io.png, no_optimize.patch,
> no_optimize.patch, reads.png, reads.png, two_seeks.txt
>
>
> As found by Daniel "SystemTap" Pol, a simple Get results in our reading two
> HFileBlocks, the one that contains the wanted Cell, and the block that
> follows.
> Here is a bit of custom logging that logs a stack trace on each HFileBlock
> read so you can see the call stack responsible:
> {code}
> 2016-03-03 22:20:30,191 INFO
> [B.defaultRpcServer.handler=20,queue=2,port=16020] regionserver.StoreScanner:
> START LOOP
> 2016-03-03 22:20:30,192 INFO
> [B.defaultRpcServer.handler=20,queue=2,port=16020] regionserver.StoreScanner:
> QCODE SEEK_NEXT_COL
> 2016-03-03 22:20:30,192 INFO
> [B.defaultRpcServer.handler=20,queue=2,port=16020] hfile.HFileBlockIndex:
> STARTED WHILE
> 2016-03-03 22:20:30,192 INFO
> [B.defaultRpcServer.handler=20,queue=2,port=16020] hfile.CombinedBlockCache:
> OUT OF L2
> 2016-03-03 22:20:30,192 TRACE
> [B.defaultRpcServer.handler=20,queue=2,port=16020] bucket.BucketCache: Read
> offset=31409152, len=2103
> 2016-03-03 22:20:30,192 TRACE
> [B.defaultRpcServer.handler=20,queue=2,port=16020] bucket.FileIOEngine:
> offset=31409152, length=2103
> 2016-03-03 22:20:30,193 TRACE
> [B.defaultRpcServer.handler=20,queue=2,port=16020] hfile.HFileReaderImpl:
> From Cache [blockType=DATA, fileOffset=2055421, headerSize=33,
> onDiskSizeWithoutHeader=2024, uncompressedSizeWithoutHeader=2020,
> prevBlockOffset=2053364, isUseHBaseChecksum=true, checksumType=CRC32C,
> bytesPerChecksum=16384, onDiskDataSizeWithHeader=2053,
> getOnDiskSizeWithHeader=2057, totalChecksumBytes=4, isUnpacked=true,
> buf=[org.apache.hadoop.hbase.nio.SingleByteBuff@e19fbd54],
> dataBeginsWith=\x00\x00\x00)\x00\x00\x01`\x00\x16user995139035672819231,
> fileContext=[usesHBaseChecksum=true, checksumType=CRC32C,
> bytesPerChecksum=16384, blocksize=65536, encoding=NONE, includesMvcc=true,
> includesTags=false, compressAlgo=NONE, compressTags=false,
> cryptoContext=[cipher=NONE keyHash=NONE]]]
> 2016-03-03 22:20:30,193 TRACE
> [B.defaultRpcServer.handler=20,queue=2,port=16020] hfile.HFileReaderImpl:
> Cache hit return [blockType=DATA, fileOffset=2055421, headerSize=33,
> onDiskSizeWithoutHeader=2024, uncompressedSizeWithoutHeader=2020,
> prevBlockOffset=2053364, isUseHBaseChecksum=true, checksumType=CRC32C,
> bytesPerChecksum=16384, onDiskDataSizeWithHeader=2053,
> getOnDiskSizeWithHeader=2057, totalChecksumBytes=4, isUnpacked=true,
> buf=[org.apache.hadoop.hbase.nio.SingleByteBuff@e19fbd54],
> dataBeginsWith=\x00\x00\x00)\x00\x00\x01`\x00\x16user995139035672819231,
> fileContext=[usesHBaseChecksum=true, checksumType=CRC32C,
> bytesPerChecksum=16384, blocksize=65536, encoding=NONE, includesMvcc=true,
> includesTags=false, compressAlgo=NONE, compressTags=false,
> cryptoContext=[cipher=NONE keyHash=NONE]]]
> java.lang.Throwable
> at
> org.apache.hadoop.hbase.io.hfile.HFileReaderImpl.readBlock(HFileReaderImpl.java:1515)
> at
> org.apache.hadoop.hbase.io.hfile.HFileBlockIndex$CellBasedKeyBlockIndexReader.loadDataBlockWithScanInfo(HFileBlockIndex.java:324)
> at
> org.apache.hadoop.hbase.io.hfile.HFileReaderImpl$HFileScannerImpl.seekTo(HFileReaderImpl.java:831)
> at
> org.apache.hadoop.hbase.io.hfile.HFileReaderImpl$HFileScannerImpl.reseekTo(HFileReaderImpl.java:812)
> at
> org.apache.hadoop.hbase.regionserver.StoreFileScanner.reseekAtOrAfter(StoreFileScanner.java:288)
> at
> org.apache.hadoop.hbase.regionserver.StoreFileScanner.reseek(StoreFileScanner.java:198)
> at
> org.apache.hadoop.hbase.regionserver.NonLazyKeyValueScanner.doRealSeek(NonLazyKeyValueScanner.java:54)
> at
> org.apache.hadoop.hbase.regionserver.KeyValueHeap.generalizedSeek(KeyValueHeap.java:321)
> at
> org.apache.hadoop.hbase.regionserver.KeyValueHeap.requestSeek(KeyValueHeap.java:279)
> at
> org.apache.hadoop.hbase.regionserver.StoreScanner.reseek(StoreScanner.java:806)
> at
> org.apache.hadoop.hbase.regionserver.StoreScanner.seekAsDirection(StoreScanner.java:795)
> at
> org.apache.hadoop.hbase.regionserver.StoreScanner.next(StoreScanner.java:624)
> at
> org.apache.hadoop.hbase.regionserver.KeyValueHeap.next(KeyValueHeap.java:153)
> at
> org.apache.hadoop.hbase.regionserver.HRegion$RegionScannerImpl.populateResult(HRegion.java:5703)
> at
> org.apache.hadoop.hbase.regionserver.HRegion$RegionScannerImpl.nextInternal(HRegion.java:5849)
> at
> org.apache.hadoop.hbase.regionserver.HRegion$RegionScannerImpl.nextRaw(HRegion.java:5622)
> at
> org.apache.hadoop.hbase.regionserver.HRegion$RegionScannerImpl.next(HRegion.java:5598)
> at
> org.apache.hadoop.hbase.regionserver.HRegion$RegionScannerImpl.next(HRegion.java:5584)
> at
> org.apache.hadoop.hbase.regionserver.RSRpcServices.get(RSRpcServices.java:2187)
> at
> org.apache.hadoop.hbase.regionserver.RSRpcServices.get(RSRpcServices.java:2123)
> at
> org.apache.hadoop.hbase.protobuf.generated.ClientProtos$ClientService$2.callBlockingMethod(ClientProtos.java:33512)
> at org.apache.hadoop.hbase.ipc.RpcServer.call(RpcServer.java:2229)
> at org.apache.hadoop.hbase.ipc.CallRunner.run(CallRunner.java:109)
> at
> org.apache.hadoop.hbase.ipc.RpcExecutor.consumerLoop(RpcExecutor.java:136)
> at org.apache.hadoop.hbase.ipc.RpcExecutor$1.run(RpcExecutor.java:111)
> at java.lang.Thread.run(Thread.java:745)
> 2016-03-03 22:20:30,193 INFO
> [B.defaultRpcServer.handler=20,queue=2,port=16020] hfile.HFileBlockIndex:
> READ [blockType=DATA, fileOffset=2055421, headerSize=33,
> onDiskSizeWithoutHeader=2024, uncompressedSizeWithoutHeader=2020,
> prevBlockOffset=2053364, isUseHBaseChecksum=true, checksumType=CRC32C,
> bytesPerChecksum=16384, onDiskDataSizeWithHeader=2053,
> getOnDiskSizeWithHeader=2057, totalChecksumBytes=4, isUnpacked=true,
> buf=[org.apache.hadoop.hbase.nio.SingleByteBuff@e19fbd54],
> dataBeginsWith=\x00\x00\x00)\x00\x00\x01`\x00\x16user995139035672819231,
> fileContext=[usesHBaseChecksum=true, checksumType=CRC32C,
> bytesPerChecksum=16384, blocksize=65536, encoding=NONE, includesMvcc=true,
> includesTags=false, compressAlgo=NONE, compressTags=false,
> cryptoContext=[cipher=NONE keyHash=NONE]]]
> 2016-03-03 22:20:30,193 INFO
> [B.defaultRpcServer.handler=20,queue=2,port=16020] hfile.HFileBlockIndex:
> DATA BLOCK IS TRUE BREAK
> 2016-03-03 22:20:30,193 INFO
> [B.defaultRpcServer.handler=20,queue=2,port=16020] hfile.HFileBlockIndex:
> RETURNING
> 2016-03-03 22:20:30,194 INFO
> [B.defaultRpcServer.handler=20,queue=2,port=16020] regionserver.StoreScanner:
> QCODE INCLUDE
> 2016-03-03 22:20:30,194 INFO
> [B.defaultRpcServer.handler=20,queue=2,port=16020] regionserver.StoreScanner:
> QCODE SKIP
> 2016-03-03 22:20:30,194 INFO
> [B.defaultRpcServer.handler=20,queue=2,port=16020] hfile.CombinedBlockCache:
> OUT OF L2
> 2016-03-03 22:20:30,194 TRACE
> [B.defaultRpcServer.handler=20,queue=2,port=16020] bucket.BucketCache: Read
> offset=30932992, len=2103
> 2016-03-03 22:20:30,194 TRACE
> [B.defaultRpcServer.handler=20,queue=2,port=16020] bucket.FileIOEngine:
> offset=30932992, length=2103
> 2016-03-03 22:20:30,194 TRACE
> [B.defaultRpcServer.handler=20,queue=2,port=16020] hfile.HFileReaderImpl:
> From Cache [blockType=DATA, fileOffset=2057478, headerSize=33,
> onDiskSizeWithoutHeader=2024, uncompressedSizeWithoutHeader=2020,
> prevBlockOffset=2055421, isUseHBaseChecksum=true, checksumType=CRC32C,
> bytesPerChecksum=16384, onDiskDataSizeWithHeader=2053,
> getOnDiskSizeWithHeader=2057, totalChecksumBytes=4, isUnpacked=true,
> buf=[org.apache.hadoop.hbase.nio.SingleByteBuff@6063ac95],
> dataBeginsWith=\x00\x00\x00)\x00\x00\x01`\x00\x16user995698996184959679,
> fileContext=[usesHBaseChecksum=true, checksumType=CRC32C,
> bytesPerChecksum=16384, blocksize=65536, encoding=NONE, includesMvcc=true,
> includesTags=false, compressAlgo=NONE, compressTags=false,
> cryptoContext=[cipher=NONE keyHash=NONE]]]
> 2016-03-03 22:20:30,194 TRACE
> [B.defaultRpcServer.handler=20,queue=2,port=16020] hfile.HFileReaderImpl:
> Cache hit return [blockType=DATA, fileOffset=2057478, headerSize=33,
> onDiskSizeWithoutHeader=2024, uncompressedSizeWithoutHeader=2020,
> prevBlockOffset=2055421, isUseHBaseChecksum=true, checksumType=CRC32C,
> bytesPerChecksum=16384, onDiskDataSizeWithHeader=2053,
> getOnDiskSizeWithHeader=2057, totalChecksumBytes=4, isUnpacked=true,
> buf=[org.apache.hadoop.hbase.nio.SingleByteBuff@6063ac95],
> dataBeginsWith=\x00\x00\x00)\x00\x00\x01`\x00\x16user995698996184959679,
> fileContext=[usesHBaseChecksum=true, checksumType=CRC32C,
> bytesPerChecksum=16384, blocksize=65536, encoding=NONE, includesMvcc=true,
> includesTags=false, compressAlgo=NONE, compressTags=false,
> cryptoContext=[cipher=NONE keyHash=NONE]]]
> java.lang.Throwable
> at
> org.apache.hadoop.hbase.io.hfile.HFileReaderImpl.readBlock(HFileReaderImpl.java:1515)
> at
> org.apache.hadoop.hbase.io.hfile.HFileReaderImpl$HFileScannerImpl.readNextDataBlock(HFileReaderImpl.java:906)
> at
> org.apache.hadoop.hbase.io.hfile.HFileReaderImpl$HFileScannerImpl.isNextBlock(HFileReaderImpl.java:1106)
> at
> org.apache.hadoop.hbase.io.hfile.HFileReaderImpl$HFileScannerImpl.positionForNextBlock(HFileReaderImpl.java:1100)
> at
> org.apache.hadoop.hbase.io.hfile.HFileReaderImpl$HFileScannerImpl._next(HFileReaderImpl.java:1118)
> at
> org.apache.hadoop.hbase.io.hfile.HFileReaderImpl$HFileScannerImpl.next(HFileReaderImpl.java:1139)
> at
> org.apache.hadoop.hbase.regionserver.StoreFileScanner.next(StoreFileScanner.java:152)
> at
> org.apache.hadoop.hbase.regionserver.KeyValueHeap.next(KeyValueHeap.java:114)
> at
> org.apache.hadoop.hbase.regionserver.StoreScanner.next(StoreScanner.java:628)
> at
> org.apache.hadoop.hbase.regionserver.KeyValueHeap.next(KeyValueHeap.java:153)
> at
> org.apache.hadoop.hbase.regionserver.HRegion$RegionScannerImpl.populateResult(HRegion.java:5703)
> at
> org.apache.hadoop.hbase.regionserver.HRegion$RegionScannerImpl.nextInternal(HRegion.java:5849)
> at
> org.apache.hadoop.hbase.regionserver.HRegion$RegionScannerImpl.nextRaw(HRegion.java:5622)
> at
> org.apache.hadoop.hbase.regionserver.HRegion$RegionScannerImpl.next(HRegion.java:5598)
> at
> org.apache.hadoop.hbase.regionserver.HRegion$RegionScannerImpl.next(HRegion.java:5584)
> at
> org.apache.hadoop.hbase.regionserver.RSRpcServices.get(RSRpcServices.java:2187)
> at
> org.apache.hadoop.hbase.regionserver.RSRpcServices.get(RSRpcServices.java:2123)
> at
> org.apache.hadoop.hbase.protobuf.generated.ClientProtos$ClientService$2.callBlockingMethod(ClientProtos.java:33512)
> at org.apache.hadoop.hbase.ipc.RpcServer.call(RpcServer.java:2229)
> at org.apache.hadoop.hbase.ipc.CallRunner.run(CallRunner.java:109)
> at
> org.apache.hadoop.hbase.ipc.RpcExecutor.consumerLoop(RpcExecutor.java:136)
> at org.apache.hadoop.hbase.ipc.RpcExecutor$1.run(RpcExecutor.java:111)
> at java.lang.Thread.run(Thread.java:745)
> 2016-03-03 22:20:30,195 INFO
> [B.defaultRpcServer.handler=20,queue=2,port=16020] regionserver.StoreScanner:
> QCODE DONE
> {code}
> We are in StoreScanner#next.
> Matcher does SEEK_NEXT_COL.
> We pull in the block that has our Cell in it.
> Matcher does INCLUDE
> Then Matcher does SKIP
> SKIP has us go read the next block.
> Then Matcher does DONE.
> Why ain't I getting to DONE after INCLUDE?
> Any clues?
> This code has been like this a while.
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