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https://issues.apache.org/jira/browse/KYLIN-3400?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16507221#comment-16507221
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liyang edited comment on KYLIN-3400 at 6/10/18 1:05 AM:
--------------------------------------------------------
This seems introduced by commit:
[https://github.com/apache/kylin/commit/a88403ae0050f6b1b2f903534f2330f03996603c]
Reverting the related lines in the commit is a fix candidate.
{{ public ProjectInstance reloadProjectQuietly(String project) throws
IOException {}}
{{ try (AutoLock lock = prjMapLock.lockForWrite()) {}}
{{ ProjectInstance prj = crud.reloadQuietly(project);}}
{{- clearL2Cache();}}
{{+ reloadProjectL2Cache(project);}}
{{ return prj;}}
\{{ } }}
\{{ } }}
was (Author: [email protected]):
This seems introduced by commit:
[https://github.com/apache/kylin/commit/a88403ae0050f6b1b2f903534f2330f03996603c]
Reverting the related lines in the commit is a fix candidate.
{{ public ProjectInstance reloadProjectQuietly(String project) throws
IOException {}}
{{ try (AutoLock lock = prjMapLock.lockForWrite()) {}}
{{ ProjectInstance prj = crud.reloadQuietly(project);}}
{{- clearL2Cache();}}
{{+ reloadProjectL2Cache(project);}}
{{ return prj;}}
{{ }}}
{{ }}}
> wipeCache and createCubeDesc make deadlock happenning
> ------------------------------------------------------
>
> Key: KYLIN-3400
> URL: https://issues.apache.org/jira/browse/KYLIN-3400
> Project: Kylin
> Issue Type: Bug
> Components: REST Service
> Affects Versions: v2.3.0
> Reporter: powerinf
> Priority: Major
> Attachments: kylin_deadlock.log
>
>
> When using the rest API create cube , deadlock occasionally appears，the
> kylin web ui hang，and cound not login ，See the [^kylin_deadlock.log]
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