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From "Brahma Reddy Battula (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-12084) Scheduled Count will not decrement when file is deleted before all IBR's received
Date Thu, 06 Jul 2017 11:42:00 GMT

     [ https://issues.apache.org/jira/browse/HDFS-12084?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Brahma Reddy Battula updated HDFS-12084:
----------------------------------------
    Summary: Scheduled Count will not decrement when file is deleted before all IBR's received
 (was: Scheduled will not decrement when file is deleted before all IBR's received)

> Scheduled Count will not decrement when file is deleted before all IBR's received
> ---------------------------------------------------------------------------------
>
>                 Key: HDFS-12084
>                 URL: https://issues.apache.org/jira/browse/HDFS-12084
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: namenode
>            Reporter: Brahma Reddy Battula
>            Assignee: Brahma Reddy Battula
>         Attachments: HDFS-12084-001.patch, HDFS-12084-002.patch
>
>
> When small files creation && deletion happens so frequently and DN's did not
report blocks to NN before deletion, then scheduled count will keep on increment and which
will not deleted as blocks are deleted.
> *Note*: Every 20 mins,this can be rolled, but with in 20 mins, count can be more as so
many operations.
> when batchIBR enabled with committed allowed=1 this will be observed more.



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