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https://issues.apache.org/jira/browse/YARN-4815?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15195963#comment-15195963
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Junping Du commented on YARN-4815:
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I thought LinkedHashMap is good enough for LRU in most cases. Any benefit from
Guava?
> ATS 1.5 timelineclinet impl try to create attempt directory for every event
> call
> --------------------------------------------------------------------------------
>
> Key: YARN-4815
> URL: https://issues.apache.org/jira/browse/YARN-4815
> Project: Hadoop YARN
> Issue Type: Sub-task
> Components: timelineserver
> Reporter: Xuan Gong
> Assignee: Xuan Gong
> Attachments: YARN-4815.1.patch
>
>
> ATS 1.5 timelineclinet impl, try to create attempt directory for every event
> call. Since per attempt only one call to create directory is enough, this is
> causing perf issue.
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