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From "ramkrishna.s.vasudevan (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HBASE-14307) Incorrect use of positional read api in HFileBlock
Date Fri, 11 Sep 2015 10:35:46 GMT

     [ https://issues.apache.org/jira/browse/HBASE-14307?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

ramkrishna.s.vasudevan updated HBASE-14307:
-------------------------------------------
    Fix Version/s: 1.1.3
                   1.0.3
                   1.2.1
                   0.98.15
                   2.0.0

> Incorrect use of positional read api in HFileBlock
> --------------------------------------------------
>
>                 Key: HBASE-14307
>                 URL: https://issues.apache.org/jira/browse/HBASE-14307
>             Project: HBase
>          Issue Type: Bug
>            Reporter: Shradha Revankar
>            Assignee: Chris Nauroth
>             Fix For: 2.0.0, 0.98.15, 1.2.1, 1.0.3, 1.1.3
>
>         Attachments: HBASE-14307.001.master.patch, HBASE-14307.002.master.patch, HBASE-14307.003.patch
>
>
> Considering that {{read()}} is not guaranteed to read all bytes, 
> I'm interested to understand this particular piece of code and why is partial read treated
as an error :
> https://github.com/apache/hbase/blob/master/hbase-server/src/main/java/org/apache/hadoop/hbase/io/hfile/HFileBlock.java#L1446-L1450
> Particularly, if hbase were to use a different filesystem, say WebhdfsFileSystem, this
would not work, please also see https://issues.apache.org/jira/browse/HDFS-8943 for discussion
around this.



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