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https://issues.apache.org/jira/browse/HBASE-20908?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16551167#comment-16551167
]
Hadoop QA commented on HBASE-20908:
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| (/) *{color:green}+1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | {color:blue} reexec {color} | {color:blue} 0m
11s{color} | {color:blue} Docker mode activated. {color} |
|| || || || {color:brown} Prechecks {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 1 new or modified test
files. {color} |
|| || || || {color:brown} master Compile Tests {color} ||
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 4m
45s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 1m
43s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 1m
9s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} shadedjars {color} | {color:green} 4m
37s{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
16s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m
29s{color} | {color:green} master passed {color} |
|| || || || {color:brown} Patch Compile Tests {color} ||
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 4m
49s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 1m
44s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 1m
44s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 1m
9s{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
30s{color} | {color:green} patch has no errors when building our shaded
downstream artifacts. {color} |
| {color:green}+1{color} | {color:green} hadoopcheck {color} | {color:green}
10m 9s{color} | {color:green} Patch does not cause any errors with Hadoop
2.7.4 or 3.0.0. {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 2m
16s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m
29s{color} | {color:green} the patch passed {color} |
|| || || || {color:brown} Other Tests {color} ||
| {color:green}+1{color} | {color:green} unit {color} | {color:green}115m
12s{color} | {color:green} hbase-server in the patch passed. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green} 0m
22s{color} | {color:green} The patch does not generate ASF License warnings.
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| {color:black}{color} | {color:black} {color} | {color:black}156m 18s{color} |
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|| Subsystem || Report/Notes ||
| Docker | Client=17.05.0-ce Server=17.05.0-ce Image:yetus/hbase:b002b0b |
| JIRA Issue | HBASE-20908 |
| JIRA Patch URL |
https://issues.apache.org/jira/secure/attachment/12932438/20908_v3.patch |
| Optional Tests | asflicense javac javadoc unit findbugs shadedjars
hadoopcheck hbaseanti checkstyle compile |
| uname | Linux 46dace0aaf22 3.13.0-143-generic #192-Ubuntu SMP Tue Feb 27
10:45:36 UTC 2018 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 / 03e596c669 |
| maven | version: Apache Maven 3.5.4
(1edded0938998edf8bf061f1ceb3cfdeccf443fe; 2018-06-17T18:33:14Z) |
| Default Java | 1.8.0_171 |
| findbugs | v3.1.0-RC3 |
| Test Results |
https://builds.apache.org/job/PreCommit-HBASE-Build/13703/testReport/ |
| Max. process+thread count | 4444 (vs. ulimit of 10000) |
| modules | C: hbase-server U: hbase-server |
| Console output |
https://builds.apache.org/job/PreCommit-HBASE-Build/13703/console |
| Powered by | Apache Yetus 0.7.0 http://yetus.apache.org |
This message was automatically generated.
> Infinite loop on regionserver if region replica are reduced
> ------------------------------------------------------------
>
> Key: HBASE-20908
> URL: https://issues.apache.org/jira/browse/HBASE-20908
> Project: HBase
> Issue Type: Bug
> Components: read replicas
> Affects Versions: 1.2.0, 2.0.0
> Reporter: Ankit Singhal
> Assignee: Ankit Singhal
> Priority: Major
> Attachments: 20908_v3.patch, HBASE-20908.patch, HBASE-20908_v1.patch,
> HBASE-20908_v3.patch
>
>
> Steps to reproduce
> {code}
> hbase(main):003:0> create 'myTable','cf',{REGION_REPLICATION=>3}
> hbase(main):003:0> put 'myTable','r1','cf:col1','1'
> 0 row(s) in 0.1230 seconds
> hbase(main):004:0> disable 'myTable'
> alter '0 row(s) in 2.3040 seconds
> hbase(main):005:0> alter 'myTable',{REGION_REPLICATION=>1}
> Updating all regions with the new schema...
> 1/1 regions updated.
> Done.
> 0 row(s) in 11.9550 seconds
> hbase(main):006:0> enable 'myTable'
> 0 row(s) in 1.2620 seconds
> hbase(main):007:0> put 'myTable1','r2','cf:col1','1'
> 0 row(s) in 0.0060 seconds
> {code}
> This is the replica region request which will not be present now in Meta but
> was there in cache. Server will say that he is not serving this region.
> {code}
> com.google.protobuf.ServiceException:
> org.apache.hadoop.hbase.ipc.RemoteWithExtrasException(org.apache.hadoop.hbase.NotServingRegionException):
> org.apache.hadoop.hbase.NotServingRegionException: Region
> d997d9b47a106216b9b117617ec09015 is not online on
> 10.22.9.76,16020,1531341039091
> at
> org.apache.hadoop.hbase.regionserver.HRegionServer.getRegionByEncodedName(HRegionServer.java:3124)
> at
> org.apache.hadoop.hbase.regionserver.HRegionServer.getRegionByEncodedName(HRegionServer.java:3106)
> at
> org.apache.hadoop.hbase.regionserver.RSRpcServices.replay(RSRpcServices.java:1714)
> at
> org.apache.hadoop.hbase.protobuf.generated.AdminProtos$AdminService$2.callBlockingMethod(AdminProtos.java:22773)
> at org.apache.hadoop.hbase.ipc.RpcServer.call(RpcServer.java:2150)
> at org.apache.hadoop.hbase.ipc.CallRunner.run(CallRunner.java:112)
> at
> org.apache.hadoop.hbase.ipc.RpcExecutor$Handler.run(RpcExecutor.java:187)
> at
> org.apache.hadoop.hbase.ipc.RpcExecutor$Handler.run(RpcExecutor.java:167)
> {code}
> Eventually, when we will update our cache after looking into meta , we will
> get into an infinite loop as this event will not be replicated because the
> location of the replica will not appear again.
> {code}
> java.net.SocketTimeoutException: callTimeout=1200000, callDuration=2181316:
> Can't get the location null
> at
> org.apache.hadoop.hbase.client.RpcRetryingCaller.callWithRetries(RpcRetryingCaller.java:170)
> at
> org.apache.hadoop.hbase.replication.regionserver.RegionReplicaReplicationEndpoint$RetryingRpcCallable.call(RegionReplicaReplicationEndpoint.java:606)
> at java.util.concurrent.FutureTask.run(FutureTask.java:266)
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
> at java.lang.Thread.run(Thread.java:748)
> Caused by: org.apache.hadoop.hbase.client.RetriesExhaustedException: Can't
> get the location
> at
> org.apache.hadoop.hbase.client.RegionAdminServiceCallable.getRegionLocations(RegionAdminServiceCallable.java:178)
> at
> org.apache.hadoop.hbase.client.RegionAdminServiceCallable.getLocation(RegionAdminServiceCallable.java:105)
> at
> org.apache.hadoop.hbase.client.RegionAdminServiceCallable.prepare(RegionAdminServiceCallable.java:89)
> at
> org.apache.hadoop.hbase.client.RpcRetryingCaller.callWithRetries(RpcRetryingCaller.java:134)
> ... 5 more
> Caused by: java.io.IOException: HRegionInfo was null in myTable,
> row=keyvalues={myTable,,1531262022075.f2b68622cfd5851023be29d5599db6c9./info:regioninfo/1531262022425/Put/vlen=41/seqid=0,
>
> myTable,,1531262022075.f2b68622cfd5851023be29d5599db6c9./info:seqnumDuringOpen/1531341209944/Put/vlen=8/seqid=0,
>
> myTable,,1531262022075.f2b68622cfd5851023be29d5599db6c9./info:server/1531341209944/Put/vlen=16/seqid=0,
>
> myTable,,1531262022075.f2b68622cfd5851023be29d5599db6c9./info:serverstartcode/1531341209944/Put/vlen=8/seqid=0}
> at
> org.apache.hadoop.hbase.client.ConnectionManager$HConnectionImplementation.locateRegionInMeta(ConnectionManager.java:1289)
> at
> org.apache.hadoop.hbase.client.ConnectionManager$HConnectionImplementation.locateRegion(ConnectionManager.java:1179)
> at
> org.apache.hadoop.hbase.client.RegionAdminServiceCallable.getRegionLocations(RegionAdminServiceCallable.java:170)
> ... 8 more
> {code}
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