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From "Anu Engineer (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-12471) Ozone: Reduce some KSM/SCM deletion log messages from INFO to DEBUG
Date Tue, 03 Oct 2017 21:15:01 GMT

     [ https://issues.apache.org/jira/browse/HDFS-12471?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Anu Engineer updated HDFS-12471:
--------------------------------
       Resolution: Fixed
     Hadoop Flags: Reviewed
    Fix Version/s: HDFS-7240
           Status: Resolved  (was: Patch Available)

[~xyao] Thanks for filing the issue. [~linyiqun] Thanks for comments. [~cheersyang] Thanks
for the contribution. I have committed this to the feature branch.

> Ozone: Reduce some KSM/SCM deletion log messages from INFO to DEBUG
> -------------------------------------------------------------------
>
>                 Key: HDFS-12471
>                 URL: https://issues.apache.org/jira/browse/HDFS-12471
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>            Reporter: Xiaoyu Yao
>            Assignee: Weiwei Yang
>            Priority: Trivial
>             Fix For: HDFS-7240
>
>         Attachments: HDFS-12471-HDFS-7240.001.patch
>
>
> Looks like we are logging a few no-op messages every minute in KSM/SCM log. 
> Should we reduce the log level to DEBUG or TRACE? cc: [~anu],[~cheersyang], [~yuanbo].
> {code}
> 2017-09-14 23:42:15,022 [SCMBlockDeletingService#0] INFO  (SCMBlockDeletingService.java:103)
    - Running DeletedBlockTransactionScanner
> 2017-09-14 23:42:15,024 [SCMBlockDeletingService#0] INFO  (SCMBlockDeletingService.java:136)
    - Scanned deleted blocks log and got 0 delTX to process
> 2017-09-14 23:42:24,139 [KeyDeletingService#1] INFO  (KeyDeletingService.java:123)  
  - No pending deletion key found in KSM
> 2017-09-14 23:43:09,377 [BlockDeletingService#2] INFO  (BlockDeletingService.java:109)
    - Plan to choose 10 containers for block deletion, actually returns 0 valid containers.
> 2017-09-14 23:43:15,027 [SCMBlockDeletingService#0] INFO  (SCMBlockDeletingService.java:103)
    - Running DeletedBlockTransactionScanner
> 2017-09-14 23:43:15,027 [SCMBlockDeletingService#0] INFO  (SCMBlockDeletingService.java:136)
    - Scanned deleted blocks log and got 0 delTX to process
> 2017-09-14 23:43:24,146 [KeyDeletingService#1] INFO  (KeyDeletingService.java:123)  
  - No pending deletion key found in KSM
> {code}



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