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Posted to hdfs-issues@hadoop.apache.org by "Eli Collins (JIRA)" <ji...@apache.org> on 2012/05/12 04:15:49 UTC
[jira] [Created] (HDFS-3410) BlockPoolSliceScanner is too chatty
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.
{format}
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-132016845-172.29.122.91-1336787527316.
...
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%
{format}
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[jira] [Commented] (HDFS-3410) BlockPoolSliceScanner is too chatty
Posted by "Uma Maheswara Rao G (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HDFS-3410?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13273823#comment-13273823 ]
Uma Maheswara Rao G commented on HDFS-3410:
-------------------------------------------
Problem is due to logRolling.
> 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
> Labels: newbie
>
> 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-132016845-172.29.122.91-1336787527316.
> ...
> 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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[jira] [Commented] (HDFS-3410) BlockPoolSliceScanner is too chatty
Posted by "Uma Maheswara Rao G (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HDFS-3410?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13273822#comment-13273822 ]
Uma Maheswara Rao G commented on HDFS-3410:
-------------------------------------------
Hi Eli, This duplicate of HDFS-3194?
We noticed this issue.
> 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
> Labels: newbie
>
> 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-132016845-172.29.122.91-1336787527316.
> ...
> 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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[jira] [Updated] (HDFS-3410) BlockPoolSliceScanner is too chatty
Posted by "Eli Collins (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HDFS-3410?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Eli Collins updated HDFS-3410:
------------------------------
Description:
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-132016845-172.29.122.91-1336787527316.
...
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%
was:
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.
{format}
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-132016845-172.29.122.91-1336787527316.
...
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%
{format}
> 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
> Labels: newbie
>
> 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-132016845-172.29.122.91-1336787527316.
> ...
> 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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[jira] [Resolved] (HDFS-3410) BlockPoolSliceScanner is too chatty
Posted by "Eli Collins (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HDFS-3410?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Eli Collins resolved HDFS-3410.
-------------------------------
Resolution: Duplicate
Yup, closing as a dupe. Thanks Uma.
> 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
> Labels: newbie
>
> 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-132016845-172.29.122.91-1336787527316.
> ...
> 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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