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Posted to common-dev@hadoop.apache.org by "Owen O'Malley (JIRA)" <ji...@apache.org> on 2008/07/30 20:11:32 UTC

[jira] Resolved: (HADOOP-727) Hadoop should include a general purpose distributed lock manager

     [ https://issues.apache.org/jira/browse/HADOOP-727?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Owen O'Malley resolved HADOOP-727.
----------------------------------

    Resolution: Duplicate

I think we can close this now that Zookeeper is a subproject.

> Hadoop should include a general purpose distributed lock manager
> ----------------------------------------------------------------
>
>                 Key: HADOOP-727
>                 URL: https://issues.apache.org/jira/browse/HADOOP-727
>             Project: Hadoop Core
>          Issue Type: New Feature
>          Components: ipc
>            Reporter: Sameer Paranjpye
>            Assignee: Owen O'Malley
>            Priority: Minor
>
> Related to HADOOP-726. Currently, there is no good way for distributed apps using HDFS or Map/Reduce to synchronize their operations. HDFS locking doesn't work very well and lock management is an unnecessary burden on the namenode. In addition, it depending on the filesystem for locking could make applications less portable. Hadoop should implement a general purpose distributed lock management service.

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