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https://issues.apache.org/jira/browse/HBASE-12751?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14703746#comment-14703746
]
Hadoop QA commented on HBASE-12751:
-----------------------------------
{color:red}-1 overall{color}. Here are the results of testing the latest
attachment
http://issues.apache.org/jira/secure/attachment/12751285/HBASE-12751-v20.patch
against master branch at commit 16f8d277088987dc8d4bb1614d05ce712bfc245d.
ATTACHMENT ID: 12751285
{color:green}+1 @author{color}. The patch does not contain any @author
tags.
{color:green}+1 tests included{color}. The patch appears to include 81 new
or modified tests.
{color:red}-1 Anti-pattern{color}. The patch appears to
have anti-pattern where BYTES_COMPARATOR was omitted:
- getRegionInfo(), -1, new TreeMap<byte[], List<Path>>());.
{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)
{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.replication.TestReplicationEndpoint
org.apache.hadoop.hbase.replication.TestPerTableCFReplication
org.apache.hadoop.hbase.wal.TestBoundedRegionGroupingProvider
org.apache.hadoop.hbase.replication.TestReplicationKillMasterRSCompressed
org.apache.hadoop.hbase.replication.regionserver.TestRegionReplicaReplicationEndpointNoMaster
org.apache.hadoop.hbase.replication.TestReplicationKillSlaveRS
org.apache.hadoop.hbase.replication.regionserver.TestRegionReplicaReplicationEndpoint
org.apache.hadoop.hbase.replication.TestMasterReplication
org.apache.hadoop.hbase.mapred.TestTableMapReduce
org.apache.hadoop.hbase.regionserver.TestRegionMergeTransactionOnCluster
org.apache.hadoop.hbase.regionserver.TestRegionFavoredNodes
org.apache.hadoop.hbase.replication.TestMultiSlaveReplication
org.apache.hadoop.hbase.zookeeper.TestZKLeaderManager
org.apache.hadoop.hbase.master.TestMasterRestartAfterDisablingTable
org.apache.hadoop.hbase.TestGlobalMemStoreSize
org.apache.hadoop.hbase.wal.TestWALFiltering
org.apache.hadoop.hbase.replication.TestReplicationSmallTests
org.apache.hadoop.hbase.replication.TestReplicationSyncUpTool
org.apache.hadoop.hbase.replication.TestReplicationWithTags
org.apache.hadoop.hbase.master.procedure.TestTruncateTableProcedure
org.apache.hadoop.hbase.replication.TestReplicationChangingPeerRegionservers
org.apache.hadoop.hbase.wal.TestDefaultWALProviderWithHLogKey
org.apache.hadoop.hbase.regionserver.TestPerColumnFamilyFlush
org.apache.hadoop.hbase.snapshot.TestMobRestoreFlushSnapshotFromClient
org.apache.hadoop.hbase.master.procedure.TestCreateTableProcedure
org.apache.hadoop.hbase.wal.TestWALFactory
org.apache.hadoop.hbase.master.procedure.TestServerCrashProcedure
org.apache.hadoop.hbase.replication.TestReplicationDisableInactivePeer
org.apache.hadoop.hbase.master.procedure.TestAddColumnFamilyProcedure
org.apache.hadoop.hbase.mapred.TestMultiTableSnapshotInputFormat
org.apache.hadoop.hbase.master.procedure.TestEnableTableProcedure
org.apache.hadoop.hbase.master.TestMasterFailoverBalancerPersistence
org.apache.hadoop.hbase.TestStochasticBalancerJmxMetrics
{color:red}-1 core zombie tests{color}. There are 16 zombie test(s):
at
org.apache.hadoop.hbase.security.visibility.TestVisibilityLabels.testVisibilityLabelsWithComplexLabels(TestVisibilityLabels.java:216)
at
org.apache.hadoop.hbase.mapred.TestTableInputFormat.testTableRecordReaderScannerFail(TestTableInputFormat.java:281)
at
org.apache.hadoop.hbase.replication.TestMultiSlaveReplication.testMultiSlaveReplication(TestMultiSlaveReplication.java:129)
at
org.apache.hadoop.hbase.regionserver.TestHRegion.testWritesWhileScanning(TestHRegion.java:3799)
Test results:
https://builds.apache.org/job/PreCommit-HBASE-Build/15169//testReport/
Release Findbugs (version 2.0.3) warnings:
https://builds.apache.org/job/PreCommit-HBASE-Build/15169//artifact/patchprocess/newFindbugsWarnings.html
Checkstyle Errors:
https://builds.apache.org/job/PreCommit-HBASE-Build/15169//artifact/patchprocess/checkstyle-aggregate.html
Console output:
https://builds.apache.org/job/PreCommit-HBASE-Build/15169//console
This message is automatically generated.
> Allow RowLock to be reader writer
> ---------------------------------
>
> Key: HBASE-12751
> URL: https://issues.apache.org/jira/browse/HBASE-12751
> Project: HBase
> Issue Type: Bug
> Components: regionserver
> Affects Versions: 2.0.0, 1.3.0
> Reporter: Elliott Clark
> Assignee: Elliott Clark
> Fix For: 2.0.0, 1.3.0
>
> Attachments: HBASE-12751-v1.patch, HBASE-12751-v10.patch,
> HBASE-12751-v10.patch, HBASE-12751-v11.patch, HBASE-12751-v12.patch,
> HBASE-12751-v13.patch, HBASE-12751-v14.patch, HBASE-12751-v15.patch,
> HBASE-12751-v16.patch, HBASE-12751-v17.patch, HBASE-12751-v18.patch,
> HBASE-12751-v19 (1).patch, HBASE-12751-v19.patch, HBASE-12751-v2.patch,
> HBASE-12751-v20.patch, HBASE-12751-v20.patch, HBASE-12751-v3.patch,
> HBASE-12751-v4.patch, HBASE-12751-v5.patch, HBASE-12751-v6.patch,
> HBASE-12751-v7.patch, HBASE-12751-v8.patch, HBASE-12751-v9.patch,
> HBASE-12751.patch
>
>
> Right now every write operation grabs a row lock. This is to prevent values
> from changing during a read modify write operation (increment or check and
> put). However it limits parallelism in several different scenarios.
> If there are several puts to the same row but different columns or stores
> then this is very limiting.
> If there are puts to the same column then mvcc number should ensure a
> consistent ordering. So locking is not needed.
> However locking for check and put or increment is still needed.
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