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https://issues.apache.org/jira/browse/HBASE-18090?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16171095#comment-16171095
 ] 

Hadoop QA commented on HBASE-18090:
-----------------------------------

| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | {color:blue} reexec {color} | {color:blue}  0m 
16s{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 5 new or modified test 
files. {color} |
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue}  0m 
27s{color} | {color:blue} Maven dependency ordering for branch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}  3m 
42s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  1m 
30s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  3m 
 0s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green}  1m 
11s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} shadedjars {color} | {color:green}  8m 
25s{color} | {color:green} branch has no errors when building our shaded 
downstream artifacts. {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green}  2m 
58s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  1m  
5s{color} | {color:green} master passed {color} |
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue}  0m 
18s{color} | {color:blue} Maven dependency ordering for patch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}  1m 
25s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  1m 
19s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green}  1m 
19s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  2m 
16s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green}  0m 
48s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} whitespace {color} | {color:green}  0m 
 0s{color} | {color:green} The patch has no whitespace issues. {color} |
| {color:green}+1{color} | {color:green} shadedjars {color} | {color:green}  4m 
 7s{color} | {color:green} patch has no errors when building our shaded 
downstream artifacts. {color} |
| {color:green}+1{color} | {color:green} hadoopcheck {color} | {color:green} 
36m 56s{color} | {color:green} Patch does not cause any errors with Hadoop 
2.6.1 2.6.2 2.6.3 2.6.4 2.6.5 2.7.1 2.7.2 2.7.3 or 3.0.0-alpha4. {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green}  3m  
6s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  0m 
49s{color} | {color:green} the patch passed {color} |
| {color:red}-1{color} | {color:red} unit {color} | {color:red} 66m  7s{color} 
| {color:red} hbase-server in the patch failed. {color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green}  7m 
14s{color} | {color:green} hbase-mapreduce in the patch passed. {color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green}  0m 
36s{color} | {color:green} hbase-it in the patch passed. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green}  1m 
 8s{color} | {color:green} The patch does not generate ASF License warnings. 
{color} |
| {color:black}{color} | {color:black} {color} | {color:black}141m 15s{color} | 
{color:black} {color} |
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|| Reason || Tests ||
| Timed out junit tests | 
org.apache.hadoop.hbase.client.TestScanWithoutFetchingData |
|   | org.apache.hadoop.hbase.coprocessor.TestHTableWrapper |
|   | org.apache.hadoop.hbase.client.TestSnapshotCloneIndependence |
|   | org.apache.hadoop.hbase.client.TestAsyncTableScanAll |
|   | org.apache.hadoop.hbase.client.TestAsyncReplicationAdminApi |
|   | org.apache.hadoop.hbase.client.TestFromClientSide |
|   | org.apache.hadoop.hbase.client.TestMultipleTimestamps |
|   | org.apache.hadoop.hbase.snapshot.TestSnapshotClientRetries |
|   | org.apache.hadoop.hbase.client.TestAsyncTableBatch |
|   | org.apache.hadoop.hbase.client.TestAsyncNamespaceAdminApi |
|   | org.apache.hadoop.hbase.client.TestAsyncProcedureAdminApi |
|   | org.apache.hadoop.hbase.coprocessor.TestCoprocessorMetrics |
|   | org.apache.hadoop.hbase.TestMultiVersions |
|   | org.apache.hadoop.hbase.client.TestAsyncSnapshotAdminApi |
|   | org.apache.hadoop.hbase.client.TestAsyncNonMetaRegionLocator |
|   | 
org.apache.hadoop.hbase.security.visibility.TestEnforcingScanLabelGenerator |
|   | 
org.apache.hadoop.hbase.replication.regionserver.TestRegionReplicaReplicationEndpoint
 |
|   | org.apache.hadoop.hbase.client.TestAsyncClusterAdminApi |
|   | org.apache.hadoop.hbase.replication.TestReplicationStateHBaseImpl |
|   | org.apache.hadoop.hbase.client.TestAsyncRegionAdminApi |
|   | org.apache.hadoop.hbase.client.TestAsyncTableScanRenewLease |
|   | org.apache.hadoop.hbase.client.TestAsyncQuotaAdminApi |
|   | org.apache.hadoop.hbase.client.TestAsyncRegionLocatorTimeout |
|   | org.apache.hadoop.hbase.client.TestAsyncTableAdminApi |
|   | org.apache.hadoop.hbase.replication.regionserver.TestWALEntryStream |
|   | org.apache.hadoop.hbase.constraint.TestConstraint |
|   | org.apache.hadoop.hbase.filter.TestFilterWithScanLimits |
|   | org.apache.hadoop.hbase.client.TestAsyncTableNoncedRetry |
|   | org.apache.hadoop.hbase.client.TestMultiRespectsLimits |
|   | org.apache.hadoop.hbase.quotas.TestQuotaTableUtil |
|   | org.apache.hadoop.hbase.filter.TestScanRowPrefix |
|   | org.apache.hadoop.hbase.mob.compactions.TestPartitionedMobCompactor |
|   | org.apache.hadoop.hbase.coprocessor.TestMasterObserver |
|   | org.apache.hadoop.hbase.quotas.TestRegionSizeUse |
|   | org.apache.hadoop.hbase.client.TestClientTimeouts |
|   | org.apache.hadoop.hbase.io.asyncfs.TestSaslFanOutOneBlockAsyncDFSOutput |
|   | org.apache.hadoop.hbase.util.TestHBaseFsckEncryption |
|   | org.apache.hadoop.hbase.coprocessor.TestWALObserver |
|   | org.apache.hadoop.hbase.client.TestFromClientSide3 |
|   | org.apache.hadoop.hbase.client.TestAsyncTableScannerCloseWhileSuspending |
|   | org.apache.hadoop.hbase.io.asyncfs.TestFanOutOneBlockAsyncDFSOutput |
|   | org.apache.hadoop.hbase.TestClusterBootOrder |
|   | org.apache.hadoop.hbase.client.TestScannerTimeout |
|   | org.apache.hadoop.hbase.TestJMXConnectorServer |
|   | org.apache.hadoop.hbase.util.TestMiniClusterLoadEncoded |
|   | org.apache.hadoop.hbase.util.TestCoprocessorScanPolicy |
|   | org.apache.hadoop.hbase.io.encoding.TestDataBlockEncoders |
|   | org.apache.hadoop.hbase.mob.compactions.TestMobCompactor |
|   | org.apache.hadoop.hbase.client.TestSplitOrMergeStatus |
|   | org.apache.hadoop.hbase.util.TestMiniClusterLoadSequential |
|   | org.apache.hadoop.hbase.client.TestPutWithDelete |
|   | org.apache.hadoop.hbase.quotas.TestQuotaObserverChoreWithMiniCluster |
|   | org.apache.hadoop.hbase.security.TestSecureIPC |
|   | 
org.apache.hadoop.hbase.coprocessor.TestRegionObserverForAddingMutationsFromCoprocessors
 |
|   | org.apache.hadoop.hbase.client.TestAsyncSingleRequestRpcRetryingCaller |
|   | org.apache.hadoop.hbase.client.TestIncrementFromClientSideWithCoprocessor 
|
|   | org.apache.hadoop.hbase.client.TestAdmin2 |
|   | org.apache.hadoop.hbase.client.TestAvoidCellReferencesIntoShippedBlocks |
|   | org.apache.hadoop.hbase.replication.regionserver.TestReplicationSink |
|   | 
org.apache.hadoop.hbase.security.visibility.TestVisibilityLabelsOpWithDifferentUsersNoACL
 |
|   | org.apache.hadoop.hbase.io.hfile.TestScannerSelectionUsingTTL |
|   | org.apache.hadoop.hbase.client.TestAsyncBufferMutator |
|   | org.apache.hadoop.hbase.filter.TestFuzzyRowAndColumnRangeFilter |
|   | org.apache.hadoop.hbase.filter.TestFilterListOrOperatorWithBlkCnt |
|   | org.apache.hadoop.hbase.security.access.TestAccessControlFilter |
|   | org.apache.hadoop.hbase.TestAcidGuarantees |
|   | org.apache.hadoop.hbase.TestGlobalMemStoreSize |
|   | org.apache.hadoop.hbase.client.TestSnapshotMetadata |
|   | org.apache.hadoop.hbase.TestNamespace |
|   | org.apache.hadoop.hbase.io.encoding.TestChangingEncoding |
|   | org.apache.hadoop.hbase.client.TestClientPushback |
|   | org.apache.hadoop.hbase.client.TestCheckAndMutate |
|   | org.apache.hadoop.hbase.client.TestFromClientSideWithCoprocessor |
|   | org.apache.hadoop.hbase.io.hfile.TestForceCacheImportantBlocks |
|   | org.apache.hadoop.hbase.coprocessor.TestOpenTableInCoprocessor |
|   | org.apache.hadoop.hbase.TestMovedRegionsCleaner |
|   | org.apache.hadoop.hbase.replication.regionserver.TestGlobalThrottler |
|   | org.apache.hadoop.hbase.client.TestEnableTable |
|   | org.apache.hadoop.hbase.client.TestLimitedScanWithFilter |
|   | org.apache.hadoop.hbase.client.replication.TestReplicationAdmin |
|   | org.apache.hadoop.hbase.quotas.TestSpaceQuotasWithSnapshots |
|   | org.apache.hadoop.hbase.client.TestAsyncTable |
|   | org.apache.hadoop.hbase.util.TestRegionSplitter |
|   | 
org.apache.hadoop.hbase.security.visibility.TestVisibilityLabelReplicationWithExpAsString
 |
|   | org.apache.hadoop.hbase.security.access.TestCellACLWithMultipleVersions |
|   | org.apache.hadoop.hbase.client.TestHTableMultiplexerFlushCache |
|   | org.apache.hadoop.hbase.client.TestClientOperationInterrupt |
|   | org.apache.hadoop.hbase.filter.TestMultiRowRangeFilter |
|   | 
org.apache.hadoop.hbase.security.visibility.TestVisibilityLabelsReplication |
|   | org.apache.hadoop.hbase.client.TestFastFail |
|   | org.apache.hadoop.hbase.TestHBaseOnOtherDfsCluster |
|   | org.apache.hadoop.hbase.snapshot.TestMobRestoreFlushSnapshotFromClient |
|   | org.apache.hadoop.hbase.client.TestLeaseRenewal |
|   | org.apache.hadoop.hbase.quotas.TestQuotaObserverChoreRegionReports |
|   | org.apache.hadoop.hbase.filter.TestColumnRangeFilter |
|   | org.apache.hadoop.hbase.security.visibility.TestWithDisabledAuthorization 
|
|   | org.apache.hadoop.hbase.replication.TestReplicationTableBase |
|   | 
org.apache.hadoop.hbase.replication.regionserver.TestRegionReplicaReplicationEndpointNoMaster
 |
|   | org.apache.hadoop.hbase.client.TestTimestampsFilter |
|   | org.apache.hadoop.hbase.TestIOFencing |
|   | org.apache.hadoop.hbase.util.TestMiniClusterLoadParallel |
|   | org.apache.hadoop.hbase.snapshot.TestRestoreFlushSnapshotFromClient |
|   | org.apache.hadoop.hbase.client.TestHCM |
|   | org.apache.hadoop.hbase.security.access.TestWithDisabledAuthorization |
|   | org.apache.hadoop.hbase.io.hfile.TestCacheOnWrite |
|   | org.apache.hadoop.hbase.io.encoding.TestLoadAndSwitchEncodeOnDisk |
|   | 
org.apache.hadoop.hbase.coprocessor.TestRegionServerCoprocessorExceptionWithRemove
 |
|   | org.apache.hadoop.hbase.client.TestRawAsyncTableScan |
|   | org.apache.hadoop.hbase.client.TestAsyncResultScannerCursor |
|   | org.apache.hadoop.hbase.client.TestRawAsyncTablePartialScan |
|   | 
org.apache.hadoop.hbase.security.visibility.TestVisibilityLabelsWithSLGStack |
|   | org.apache.hadoop.hbase.snapshot.TestMobFlushSnapshotFromClient |
|   | org.apache.hadoop.hbase.client.TestMobRestoreSnapshotFromClient |
|   | org.apache.hadoop.hbase.util.TestHBaseFsckMOB |
|   | org.apache.hadoop.hbase.coprocessor.TestRegionObserverBypass |
|   | org.apache.hadoop.hbase.TestHColumnDescriptorDefaultVersions |
|   | 
org.apache.hadoop.hbase.client.TestRestoreSnapshotFromClientWithRegionReplicas |
|   | org.apache.hadoop.hbase.quotas.TestSuperUserQuotaPermissions |
|   | org.apache.hadoop.hbase.client.TestSmallReversedScanner |
|   | org.apache.hadoop.hbase.client.TestTableSnapshotScanner |
|   | org.apache.hadoop.hbase.client.TestMobCloneSnapshotFromClient |
|   | org.apache.hadoop.hbase.client.TestRestoreSnapshotFromClient |
|   | 
org.apache.hadoop.hbase.client.TestCloneSnapshotFromClientWithRegionReplicas |
|   | org.apache.hadoop.hbase.client.TestFromClientSideNoCodec |
|   | 
org.apache.hadoop.hbase.security.access.TestCoprocessorWhitelistMasterObserver |
|   | 
org.apache.hadoop.hbase.coprocessor.TestRegionServerCoprocessorExceptionWithAbort
 |
|   | 
org.apache.hadoop.hbase.coprocessor.TestMasterCoprocessorExceptionWithRemove |
|   | org.apache.hadoop.hbase.snapshot.TestRegionSnapshotTask |
|   | org.apache.hadoop.hbase.client.TestRawAsyncScanCursor |
|   | org.apache.hadoop.hbase.client.TestCloneSnapshotFromClient |
|   | org.apache.hadoop.hbase.util.TestConnectionCache |
|   | org.apache.hadoop.hbase.replication.TestMultiSlaveReplication |
|   | org.apache.hadoop.hbase.io.hfile.TestHFileBlock |
|   | org.apache.hadoop.hbase.client.TestIllegalTableDescriptor |
|   | org.apache.hadoop.hbase.security.access.TestZKPermissionWatcher |
|   | org.apache.hadoop.hbase.client.TestIncrementsFromClientSide |
|   | org.apache.hadoop.hbase.client.TestHTableMultiplexer |
|   | org.apache.hadoop.hbase.client.TestMobSnapshotFromClient |
|   | org.apache.hadoop.hbase.quotas.TestQuotaAdmin |
|   | org.apache.hadoop.hbase.util.TestIdReadWriteLock |
|   | org.apache.hadoop.hbase.client.TestSnapshotFromClientWithRegionReplicas |
|   | org.apache.hadoop.hbase.filter.TestFuzzyRowFilterEndToEnd |
|   | 
org.apache.hadoop.hbase.replication.regionserver.TestTableBasedReplicationSourceManagerImpl
 |
|   | org.apache.hadoop.hbase.client.TestScannersFromClientSide |
|   | org.apache.hadoop.hbase.client.TestMetaCache |
|   | org.apache.hadoop.hbase.client.TestAsyncAdminBuilder |
|   | org.apache.hadoop.hbase.replication.TestMasterReplication |
|   | 
org.apache.hadoop.hbase.replication.regionserver.TestReplicationSourceManagerZkImpl
 |
|   | org.apache.hadoop.hbase.TestPartialResultsFromClientSide |
|   | org.apache.hadoop.hbase.client.TestSnapshotFromClient |
|   | 
org.apache.hadoop.hbase.security.visibility.TestVisibilityLabelsOnNewVersionBehaviorTable
 |
|   | org.apache.hadoop.hbase.replication.TestReplicationSource |
|   | org.apache.hadoop.hbase.client.TestAppendFromClientSide |
|   | org.apache.hadoop.hbase.util.TestFSUtils |
|   | org.apache.hadoop.hbase.client.TestAsyncClusterAdminApi2 |
|   | org.apache.hadoop.hbase.client.TestMobSnapshotCloneIndependence |
|   | org.apache.hadoop.hbase.io.encoding.TestEncodedSeekers |
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|| Subsystem || Report/Notes ||
| Docker | Client=1.11.2 Server=1.11.2 Image:yetus/hbase:5d60123 |
| JIRA Issue | HBASE-18090 |
| JIRA Patch URL | 
https://issues.apache.org/jira/secure/attachment/12887805/HBASE-18090-V4-master.patch
 |
| Optional Tests |  asflicense  shadedjars  javac  javadoc  unit  findbugs  
hadoopcheck  hbaseanti  checkstyle  compile  |
| uname | Linux afa3524e2dfc 3.13.0-129-generic #178-Ubuntu SMP Fri Aug 11 
12:48:20 UTC 2017 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 / 34d6488 |
| Default Java | 1.8.0_144 |
| findbugs | v3.1.0-RC3 |
| unit | 
https://builds.apache.org/job/PreCommit-HBASE-Build/8700/artifact/patchprocess/patch-unit-hbase-server.txt
 |
|  Test Results | 
https://builds.apache.org/job/PreCommit-HBASE-Build/8700/testReport/ |
| modules | C: hbase-server hbase-mapreduce hbase-it U: . |
| Console output | 
https://builds.apache.org/job/PreCommit-HBASE-Build/8700/console |
| Powered by | Apache Yetus 0.4.0   http://yetus.apache.org |


This message was automatically generated.



> Improve TableSnapshotInputFormat to allow more multiple mappers per region
> --------------------------------------------------------------------------
>
>                 Key: HBASE-18090
>                 URL: https://issues.apache.org/jira/browse/HBASE-18090
>             Project: HBase
>          Issue Type: Improvement
>          Components: mapreduce
>    Affects Versions: 1.4.0
>            Reporter: Mikhail Antonov
>            Assignee: xinxin fan
>         Attachments: HBASE-18090-branch-1.3-v1.patch, 
> HBASE-18090-branch-1.3-v2.patch, HBASE-18090-V3-master.patch, 
> HBASE-18090-V4-master.patch
>
>
> TableSnapshotInputFormat runs one map task per region in the table snapshot. 
> This places unnecessary restriction that the region layout of the original 
> table needs to take the processing resources available to MR job into 
> consideration. Allowing to run multiple mappers per region (assuming 
> reasonably even key distribution) would be useful.



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