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Posted to common-dev@hadoop.apache.org by "Hadoop QA (JIRA)" <ji...@apache.org> on 2007/03/28 01:01:32 UTC

[jira] Commented: (HADOOP-1167) InMemoryFileSystem uses synchronizedtMaps with maps that are locked anyways

    [ https://issues.apache.org/jira/browse/HADOOP-1167?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12484638 ] 

Hadoop QA commented on HADOOP-1167:
-----------------------------------

+1, because http://issues.apache.org/jira/secure/attachment/12354373/h1167.patch applied and successfully tested against trunk revision http://svn.apache.org/repos/asf/lucene/hadoop/trunk/523072. Results are at http://lucene.zones.apache.org:8080/hudson/job/Hadoop-Patch

> InMemoryFileSystem uses synchronizedtMaps with maps that are locked anyways
> ---------------------------------------------------------------------------
>
>                 Key: HADOOP-1167
>                 URL: https://issues.apache.org/jira/browse/HADOOP-1167
>             Project: Hadoop
>          Issue Type: Improvement
>          Components: fs
>    Affects Versions: 0.12.2
>            Reporter: Owen O'Malley
>         Assigned To: Owen O'Malley
>            Priority: Minor
>             Fix For: 0.13.0
>
>         Attachments: h1167.patch
>
>
> The InMemoryFileSystem uses synchronizedMaps and then guards each access to them by locking the FileSystem. There is also insufficient synchronization in create.

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