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Posted to hdfs-dev@hadoop.apache.org by "Kihwal Lee (JIRA)" <ji...@apache.org> on 2014/02/25 20:30:20 UTC

[jira] [Resolved] (HDFS-5498) Improve datanode startup time

     [ https://issues.apache.org/jira/browse/HDFS-5498?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Kihwal Lee resolved HDFS-5498.
------------------------------

       Resolution: Fixed
    Fix Version/s: HDFS-5535 (Rolling upgrades)
     Hadoop Flags: Reviewed

Thanks for the reviews, gentlemen. I've committed this to the RU branch.

> Improve datanode startup time
> -----------------------------
>
>                 Key: HDFS-5498
>                 URL: https://issues.apache.org/jira/browse/HDFS-5498
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>            Reporter: Kihwal Lee
>            Assignee: Kihwal Lee
>             Fix For: HDFS-5535 (Rolling upgrades)
>
>         Attachments: HDFS-5498.with_du_change.patch, HDFS-5498.with_du_change.patch, HDFS-5498_sh.patch
>
>
> Similarly to HDFS-5027, an improvement  can be made for getVomeMap(). This is the phase in which ReplicaMap.is populated.  But it will be even better if datanode scans only once and do both.



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