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From "Andy Isaacson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-3194) DataNode block scanner is running too frequently
Date Tue, 21 Aug 2012 21:25:38 GMT

    [ https://issues.apache.org/jira/browse/HDFS-3194?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13439063#comment-13439063
] 

Andy Isaacson commented on HDFS-3194:
-------------------------------------

bq. I've filed HDFS-3838

Typo, I actually filed HDFS-3828.
                
> DataNode block scanner is running too frequently
> ------------------------------------------------
>
>                 Key: HDFS-3194
>                 URL: https://issues.apache.org/jira/browse/HDFS-3194
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: data-node
>    Affects Versions: 2.0.0-alpha
>            Reporter: suja s
>            Assignee: Andy Isaacson
>             Fix For: 2.2.0-alpha
>
>         Attachments: HDFS-3194_1.patch, hdfs-3194-1.txt, HDFS-3194_2.patch, HDFS-3194_4.patch,
HDFS-3194_6.patch, HDFS-3194_7.patch, HDFS-3194.patch
>
>
> Block scanning interval by default should be taken as 21 days(3 weeks) and each block
scanning should happen once in 21 days.
> Here the block is being scanned continuosly.
> 2012-04-03 10:44:47,056 INFO org.apache.hadoop.hdfs.server.datanode.BlockPoolSliceScanner:
Verification succeeded for BP-241703115-xx.xx.xx.55-1333086229434:blk_-2666054955039014473_1003
> 2012-04-03 10:45:02,064 INFO org.apache.hadoop.hdfs.server.datanode.BlockPoolSliceScanner:
Verification succeeded for BP-241703115-xx.xx.xx.55-1333086229434:blk_-2666054955039014473_1003
> 2012-04-03 10:45:17,071 INFO org.apache.hadoop.hdfs.server.datanode.BlockPoolSliceScanner:
Verification succeeded for BP-241703115-xx.xx.xx.55-1333086229434:blk_-2666054955039014473_1003
> 2012-04-03 10:45:32,079 INFO org.apache.hadoop.hdfs.server.datanode.BlockPoolSliceScanner:
Verification succeeded for BP-241703115-xx.xx.xx.55-1333086229434:blk_-2666054955039014473

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