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Posted to mapreduce-issues@hadoop.apache.org by "ASF GitHub Bot (Jira)" <ji...@apache.org> on 2020/12/14 11:49:00 UTC
[jira] [Updated] (MAPREDUCE-7312) Add cache switch of MapReduce
History Server
[ https://issues.apache.org/jira/browse/MAPREDUCE-7312?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
ASF GitHub Bot updated MAPREDUCE-7312:
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Labels: pull-request-available (was: )
> Add cache switch of MapReduce History Server
> --------------------------------------------
>
> Key: MAPREDUCE-7312
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-7312
> Project: Hadoop Map/Reduce
> Issue Type: Improvement
> Reporter: Deegue
> Priority: Minor
> Labels: pull-request-available
> Time Spent: 10m
> Remaining Estimate: 0h
>
> History Server scans `done` directory while initializing. If there are millions of application files to cache, it will become a time demanding action.
> In our cluster, it'll be 4+ hours before the initialization is done.
> We added a switch to control whether doing initialized cache or not.
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