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From "stack (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-15218) On RS crash and replay of WAL, loosing all Tags in Cells
Date Fri, 05 Feb 2016 16:22:40 GMT

    [ https://issues.apache.org/jira/browse/HBASE-15218?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15134403#comment-15134403
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stack commented on HBASE-15218:
-------------------------------

If no tags in the WAL, will WAL read run slower now we are always looking for tags whether
they are there or not? [~anoop.hbase] or [~ram_krish]?


> On RS crash and replay of WAL, loosing all Tags in Cells
> --------------------------------------------------------
>
>                 Key: HBASE-15218
>                 URL: https://issues.apache.org/jira/browse/HBASE-15218
>             Project: HBase
>          Issue Type: Bug
>          Components: Recovery, regionserver, security
>    Affects Versions: 2.0.0, 0.98.13, 1.0.2, 1.2.0, 1.1.1
>            Reporter: Anoop Sam John
>            Assignee: Anoop Sam John
>            Priority: Critical
>             Fix For: 2.0.0, 1.3.0, 1.2.1, 1.1.4, 1.0.4, 0.98.18
>
>         Attachments: HBASE-15218.patch
>
>
> The KeyValueCodec's Decoder makes NoTagsKeyValue. The WalCellCodec also makes this Decoder
and so while reading Cells after RS crash, we will loose all tags in Cells.



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