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From "Vinayakumar B (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-10271) Extra bytes are getting released from reservedSpace for append
Date Tue, 12 Apr 2016 06:23:25 GMT

     [ https://issues.apache.org/jira/browse/HDFS-10271?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Vinayakumar B updated HDFS-10271:
---------------------------------
    Target Version/s: 2.7.3, 2.6.5  (was: 2.7.3, 2.6.4)

> Extra bytes are getting released from reservedSpace for append
> --------------------------------------------------------------
>
>                 Key: HDFS-10271
>                 URL: https://issues.apache.org/jira/browse/HDFS-10271
>             Project: Hadoop HDFS
>          Issue Type: Bug
>            Reporter: Brahma Reddy Battula
>            Assignee: Brahma Reddy Battula
>            Priority: Critical
>         Attachments: HDFS-10271-01.patch, HDFS-10271-branch-2.7-01.patch
>
>
> 1. File already have some bytes available in block. (ex: 1024B)
> 2. Re-open the file for append, (Here reserving for (BlockSize-1024) bytes)
> 3. write one byte and flush, 
> 4. close()
> After close(), releasing *BlockSize-1* bytes from reservedspace instead of *BlockSize-1025*
bytes.
> Extra bytes released from reservedSpace may create problem for other writers.



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