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From "ramkrishna.s.vasudevan (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HBASE-13933) DBE's seekBefore with tags corrupts the tag's offset information thus leading to incorrect results
Date Fri, 19 Jun 2015 09:38:00 GMT

     [ https://issues.apache.org/jira/browse/HBASE-13933?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

ramkrishna.s.vasudevan updated HBASE-13933:
-------------------------------------------
    Attachment: HBASE-13933_2.patch

Updated patch - only handles seekBefore case with tags. 

> DBE's seekBefore with tags corrupts the tag's offset information thus leading to incorrect
results
> --------------------------------------------------------------------------------------------------
>
>                 Key: HBASE-13933
>                 URL: https://issues.apache.org/jira/browse/HBASE-13933
>             Project: HBase
>          Issue Type: Bug
>    Affects Versions: 1.0.0, 2.0.0, 1.0.1, 1.1.0, 0.98.13, 1.0.1.1, 1.1.0.1
>            Reporter: ramkrishna.s.vasudevan
>            Assignee: ramkrishna.s.vasudevan
>            Priority: Critical
>             Fix For: 2.0.0, 0.98.14, 1.0.2, 1.2.0, 1.1.1, 1.3.0
>
>         Attachments: HBASE-13933.patch, HBASE-13933_2.patch, HBASE-13993_1.patch
>
>
> The problem occurs with moveToPrevious() case and incase of tags we copy the previous
pointer's tag info to the current because already decoded the tags.
> Will check once again before I post other details.  I have a test case to reproduce the
problem. Found this while working with MultibyteBuffers and verified if this is present in
trunk - it is in all branches where we have tags compression (I suppose) will verify



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