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From "Qi Liu (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HDFS-645) Namenode does not leave safe mode even if all blocks are available
Date Wed, 23 Sep 2009 01:19:16 GMT

     [ https://issues.apache.org/jira/browse/HDFS-645?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Qi Liu updated HDFS-645:
------------------------

    Attachment: HDFS-645-0.20.1.patch

Patch for 0.20.1

> Namenode does not leave safe mode even if all blocks are available
> ------------------------------------------------------------------
>
>                 Key: HDFS-645
>                 URL: https://issues.apache.org/jira/browse/HDFS-645
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: name-node
>    Affects Versions: 0.20.1
>            Reporter: Qi Liu
>         Attachments: HDFS-645-0.18.3.patch, HDFS-645-0.20.1.patch, HDFS-645.patch
>
>
> When the safe mode threshold is set to 1.0f, sometimes the name node does not leave safe
mode even if all blocks are available. This is caused by floating point number division and
comparison issues.

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