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From "Aaron T. Myers (Updated) (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-2393) Mark appropriate methods of ClientProtocol with the idempotent annotation
Date Thu, 06 Oct 2011 22:07:29 GMT

     [ https://issues.apache.org/jira/browse/HDFS-2393?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Aaron T. Myers updated HDFS-2393:

    Attachment: HDFS-2393-HDFS-1623.patch

Thanks a lot for the review, Todd. Here's a patch which implements what we've discussed here.

I added three TODOs for the upgrade-related operations and the {{setBalancerBandwidth}} op.
I agree with your analysis regarding the administrative ops, so I deliberately left those
as non-idempotent.
> Mark appropriate methods of ClientProtocol with the idempotent annotation
> -------------------------------------------------------------------------
>                 Key: HDFS-2393
>                 URL: https://issues.apache.org/jira/browse/HDFS-2393
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: hdfs client
>    Affects Versions: HA branch (HDFS-1623)
>            Reporter: Aaron T. Myers
>            Assignee: Aaron T. Myers
>             Fix For: HA branch (HDFS-1623)
>         Attachments: HDFS-2393-HDFS-1623.patch
> HDFS-1973 will make the {{DFSClient}} take advantage of the annotation. This JIRA is
to identify which methods can be marked as idempotent.

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