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Posted to hdfs-issues@hadoop.apache.org by "Kihwal Lee (JIRA)" <ji...@apache.org> on 2013/11/20 00:41:21 UTC

[jira] [Updated] (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 updated HDFS-5498:
-----------------------------

    Attachment: HDFS-5498.with_du_change.patch

Attaching a patch that includes HADOOP-10111. This is not a commit candidate, but for reviews and testing.

> Improve datanode startup time
> -----------------------------
>
>                 Key: HDFS-5498
>                 URL: https://issues.apache.org/jira/browse/HDFS-5498
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>            Reporter: Kihwal Lee
>         Attachments: HDFS-5498.with_du_change.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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