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https://issues.apache.org/jira/browse/HDFS-4224?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13664846#comment-13664846
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Brahma Reddy Battula commented on HDFS-4224:
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Hi Harsha,
Any update on this issue..? Recently I had seen this issue in one of my
enviroment..
I also want to know why it's growing in only some machines..?
is it disk problem/os problem..?
Please let me know..thanks in advance..
> The dncp_block_verification log can be compressed
> -------------------------------------------------
>
> Key: HDFS-4224
> URL: https://issues.apache.org/jira/browse/HDFS-4224
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: datanode
> Affects Versions: 2.0.0-alpha
> Reporter: Harsh J
> Priority: Minor
>
> On some systems, I noticed that when the scanner runs, the
> dncp_block_verification.log.curr file under the block pool gets quite large
> (several GBs). Although this is rolled away, we could also configure
> compression upon it (a codec that may work without natives, would be a good
> default) and save on I/O and space.
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