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https://issues.apache.org/jira/browse/HBASE-7386?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16095330#comment-16095330
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Hadoop QA commented on HBASE-7386:
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| (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
18s{color} | {color:blue} Docker mode activated. {color} |
| {color:blue}0{color} | {color:blue} shelldocs {color} | {color:blue} 0m
4s{color} | {color:blue} Shelldocs was not available. {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:red}-1{color} | {color:red} pylint {color} | {color:red} 0m
1s{color} | {color:red} The patch generated 6 new + 0 unchanged - 0 fixed = 6
total (was 0) {color} |
| {color:red}-1{color} | {color:red} shellcheck {color} | {color:red} 0m
7s{color} | {color:red} The patch generated 153 new + 489 unchanged - 9 fixed =
642 total (was 498) {color} |
| {color:red}-1{color} | {color:red} whitespace {color} | {color:red} 0m
0s{color} | {color:red} The patch 3 line(s) with tabs. {color} |
| {color:green}+1{color} | {color:green} hadoopcheck {color} | {color:green}
31m 40s{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:red}-1{color} | {color:red} asflicense {color} | {color:red} 0m
12s{color} | {color:red} The patch generated 2 ASF License warnings. {color} |
| {color:black}{color} | {color:black} {color} | {color:black} 32m 32s{color} |
{color:black} {color} |
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|| Subsystem || Report/Notes ||
| Docker | Client=1.12.3 Server=1.12.3 Image:yetus/hbase:757bf37 |
| JIRA Issue | HBASE-7386 |
| JIRA Patch URL |
https://issues.apache.org/jira/secure/attachment/12878238/HBASE-7386-master-00.patch
|
| Optional Tests | asflicense shellcheck shelldocs pylint |
| uname | Linux 1c2618903bc3 3.13.0-119-generic #166-Ubuntu SMP Wed May 3
12:18:55 UTC 2017 x86_64 x86_64 x86_64 GNU/Linux |
| Build tool | maven |
| Personality |
/home/jenkins/jenkins-slave/workspace/PreCommit-HBASE-Build@2/component/dev-support/hbase-personality.sh
|
| git revision | master / bc93b66 |
| shellcheck | v0.4.6 |
| pylint | v1.7.2 |
| pylint |
https://builds.apache.org/job/PreCommit-HBASE-Build/7737/artifact/patchprocess/diff-patch-pylint.txt
|
| shellcheck |
https://builds.apache.org/job/PreCommit-HBASE-Build/7737/artifact/patchprocess/diff-patch-shellcheck.txt
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| whitespace |
https://builds.apache.org/job/PreCommit-HBASE-Build/7737/artifact/patchprocess/whitespace-tabs.txt
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| asflicense |
https://builds.apache.org/job/PreCommit-HBASE-Build/7737/artifact/patchprocess/patch-asflicense-problems.txt
|
| modules | C: . U: . |
| Console output |
https://builds.apache.org/job/PreCommit-HBASE-Build/7737/console |
| Powered by | Apache Yetus 0.4.0 http://yetus.apache.org |
This message was automatically generated.
> Investigate providing some supervisor support for znode deletion
> ----------------------------------------------------------------
>
> Key: HBASE-7386
> URL: https://issues.apache.org/jira/browse/HBASE-7386
> Project: HBase
> Issue Type: Task
> Components: master, regionserver, scripts
> Reporter: Gregory Chanan
> Assignee: stack
> Priority: Blocker
> Fix For: 3.0.0
>
> Attachments: HBASE-7386-bin.patch, HBASE-7386-bin-v2.patch,
> HBASE-7386-bin-v3.patch, HBASE-7386-conf.patch, HBASE-7386-conf-v2.patch,
> HBASE-7386-conf-v3.patch, HBASE-7386-master-00.patch, HBASE-7386-src.patch,
> HBASE-7386-v0.patch, supervisordconfigs-v0.patch
>
>
> There a couple of JIRAs for deleting the znode on a process failure:
> HBASE-5844 (RS)
> HBASE-5926 (Master)
> which are pretty neat; on process failure, they delete the znode of the
> underlying process so HBase can recover faster.
> These JIRAs were implemented via the startup scripts; i.e. the script hangs
> around and waits for the process to exit, then deletes the znode.
> There are a few problems associated with this approach, as listed in the
> below JIRAs:
> 1) Hides startup output in script
> https://issues.apache.org/jira/browse/HBASE-5844?focusedCommentId=13463401&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-13463401
> 2) two hbase processes listed per launched daemon
> https://issues.apache.org/jira/browse/HBASE-5844?focusedCommentId=13463409&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-13463409
> 3) Not run by a real supervisor
> https://issues.apache.org/jira/browse/HBASE-5844?focusedCommentId=13463409&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-13463409
> 4) Weird output after kill -9 actual process in standalone mode
> https://issues.apache.org/jira/browse/HBASE-5926?focusedCommentId=13506801&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-13506801
> 5) Can kill existing RS if called again
> https://issues.apache.org/jira/browse/HBASE-5844?focusedCommentId=13463401&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-13463401
> 6) Hides stdout/stderr[6]
> https://issues.apache.org/jira/browse/HBASE-5844?focusedCommentId=13506832&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-13506832
> I suspect running in via something like supervisor.d can solve these issues
> if we provide the right support.
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