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From "Eli Collins (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HDFS-3410) BlockPoolSliceScanner is too chatty
Date Sat, 12 May 2012 02:15:49 GMT
Eli Collins created HDFS-3410:

             Summary: BlockPoolSliceScanner is too chatty
                 Key: HDFS-3410
                 URL: https://issues.apache.org/jira/browse/HDFS-3410
             Project: Hadoop HDFS
          Issue Type: Bug
    Affects Versions: 2.0.0
            Reporter: Eli Collins

The "Starting a new period" line gets logged on DNs every 5 seconds with the default interval.
Looks like this is because startNewPeriod is called by scanBlockPoolSlice every 5 seconds
and it does an invo level log.

2012-05-11 18:54:09,412 INFO org.apache.hadoop.hdfs.server.datanode.BlockPoolSliceScanner:
Periodic Block Verification Scanner initialized with interval 504 hours for block pool BP-132016845-
2012-05-11 18:54:14,216 INFO org.apache.hadoop.hdfs.server.datanode.BlockPoolSliceScanner:
Starting a new period : work left in prev period : 0.00%

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