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https://issues.apache.org/jira/browse/HADOOP-5712?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12701370#action_12701370
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Doug Cutting commented on HADOOP-5712:
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> This solution assumes that all client machines have synchronized clocks.
We don't require that these are strictly ascending, just that they're unique.
There's very little chance that two nodes, whether they have synchronized
clocks or not, will collide to the millisecond, and, if they do, one will have
to try twice. But the chances of ever having to try more than twice are even
smaller.
> Namenode slowed down when many files with same filename were moved to Trash
> ---------------------------------------------------------------------------
>
> Key: HADOOP-5712
> URL: https://issues.apache.org/jira/browse/HADOOP-5712
> Project: Hadoop Core
> Issue Type: Bug
> Components: dfs
> Affects Versions: 0.18.3
> Reporter: Koji Noguchi
> Priority: Minor
>
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