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From "Suresh Srinivas (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HADOOP-5650) Namenode log that indicates why it is not leaving safemode may be confusing
Date Wed, 15 Apr 2009 00:20:14 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-5650?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Suresh Srinivas updated HADOOP-5650:
------------------------------------

    Hadoop Flags: [Reviewed]
          Status: Patch Available  (was: Open)

> Namenode log that indicates why it is not leaving safemode may be confusing
> ---------------------------------------------------------------------------
>
>                 Key: HADOOP-5650
>                 URL: https://issues.apache.org/jira/browse/HADOOP-5650
>             Project: Hadoop Core
>          Issue Type: Bug
>            Reporter: Suresh Srinivas
>            Assignee: Suresh Srinivas
>            Priority: Minor
>         Attachments: 5650.patch, 5650.patch
>
>
> A namenode with a large number of datablocks is setup with dfs.safemode.threshold.pct
set to 1.0. With a small number of unreported blocks, namenode prints the following as the
reason for not leaving safe mode:
> {{The ratio of reported blocks 1.0000 has not reached the threshold 1.0000}}
> With a large number of blocks, precision used for printing the log may not indicate the
difference between the actual ratio of safe blocks to total blocks and the configured threshold.
Printing number of blocks instead of ratio will improve the clarity.

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