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From "Suresh Srinivas (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HDFS-132) Namenode in Safemode reports to Simon non-zero number of deleted files during startup
Date Wed, 07 Apr 2010 20:18:33 GMT

    [ https://issues.apache.org/jira/browse/HDFS-132?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12854680#action_12854680
] 

Suresh Srinivas commented on HDFS-132:
--------------------------------------

Failed test TestHDFSServerPorts is unrelated to the patch and is already tracked by HDFS-887.

> Namenode in Safemode reports to Simon non-zero number of deleted files during startup
> -------------------------------------------------------------------------------------
>
>                 Key: HDFS-132
>                 URL: https://issues.apache.org/jira/browse/HDFS-132
>             Project: Hadoop HDFS
>          Issue Type: Bug
>            Reporter: Hairong Kuang
>            Assignee: Suresh Srinivas
>         Attachments: HDFS-132.1.patch, HDFS-132.2.patch, HDFS-132.patch
>
>
> Currently when a namenode starts up it may call "delete" when loading edits. But metrics
file_deleted is collected and reported in FSDirectory where it does not and is not able to
check if namenode is in safemode. So from the monitoring UI, we see non-zero number of files
deleted.
> A possible fix is to have delete to return the number of files deleted and then the metrics
is collected and reported at NameNode the same as other namenode metrics.

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