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https://issues.apache.org/jira/browse/YARN-1730?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Billie Rinaldi updated YARN-1730:
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Description: Although the leveldb writes are performed atomically in a
batch, a start time for the entity needs to identified before each write. Thus
a per-entity write lock should be acquired. (was: The actual data writes are
performed atomically in a batch, but a lock should be held while identifying a
start time for the entity, which precedes every write.)
> Leveldb timeline store needs simple write locking
> -------------------------------------------------
>
> Key: YARN-1730
> URL: https://issues.apache.org/jira/browse/YARN-1730
> Project: Hadoop YARN
> Issue Type: Sub-task
> Reporter: Billie Rinaldi
> Assignee: Billie Rinaldi
> Attachments: YARN-1730.1.patch, YARN-1730.2.patch, YARN-1730.3.patch,
> YARN-1730.4.patch, YARN-1730.5.patch, YARN-1730.6.patch
>
>
> Although the leveldb writes are performed atomically in a batch, a start time
> for the entity needs to identified before each write. Thus a per-entity
> write lock should be acquired.
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