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https://issues.apache.org/jira/browse/HBASE-7386?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16446030#comment-16446030
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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
13s{color} | {color:blue} Docker mode activated. {color} |
|| || || || {color:brown} Prechecks {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:brown} master Compile Tests {color} ||
|| || || || {color:brown} Patch Compile Tests {color} ||
| {color:green}+1{color} | {color:green} pylint {color} | {color:green} 0m
1s{color} | {color:green} There were no new pylint issues. {color} |
| {color:red}-1{color} | {color:red} shellcheck {color} | {color:red} 0m
2s{color} | {color:red} The patch generated 44 new + 59 unchanged - 17 fixed =
103 total (was 76) {color} |
| {color:green}+1{color} | {color:green} whitespace {color} | {color:green} 0m
0s{color} | {color:green} The patch has no whitespace issues. {color} |
|| || || || {color:brown} Other Tests {color} ||
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green} 0m
8s{color} | {color:green} The patch does not generate ASF License warnings.
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| {color:black}{color} | {color:black} {color} | {color:black} 0m 36s{color} |
{color:black} {color} |
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|| Subsystem || Report/Notes ||
| Docker | Client=17.05.0-ce Server=17.05.0-ce Image:yetus/hbase:d8b550f |
| JIRA Issue | HBASE-7386 |
| JIRA Patch URL |
https://issues.apache.org/jira/secure/attachment/12878542/HBASE-7386-master-01.patch
|
| Optional Tests | asflicense shellcheck shelldocs pylint |
| uname | Linux fb37c345af50 4.4.0-43-generic #63-Ubuntu SMP Wed Oct 12
13:48:03 UTC 2016 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 / 8219ec7493 |
| maven | version: Apache Maven 3.5.3
(3383c37e1f9e9b3bc3df5050c29c8aff9f295297; 2018-02-24T19:49:05Z) |
| shellcheck | v0.4.4 |
| pylint | v1.6.5 |
| shellcheck |
https://builds.apache.org/job/PreCommit-HBASE-Build/12574/artifact/patchprocess/diff-patch-shellcheck.txt
|
| Max. process+thread count | 48 (vs. ulimit of 10000) |
| modules | C: . U: . |
| Console output |
https://builds.apache.org/job/PreCommit-HBASE-Build/12574/console |
| Powered by | Apache Yetus 0.7.0 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-v2.patch, HBASE-7386-bin-v3.patch,
> HBASE-7386-bin.patch, HBASE-7386-conf-v2.patch, HBASE-7386-conf-v3.patch,
> HBASE-7386-conf.patch, HBASE-7386-master-00.patch,
> HBASE-7386-master-01.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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