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From "Anoop Sam John (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 20:30:39 GMT

    [ https://issues.apache.org/jira/browse/HBASE-15218?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15134918#comment-15134918

Anoop Sam John commented on HBASE-15218:

For Cell level ACL seems the global readable issue wont be there.  First we check ns/table/cf/qual
level permission for the user.  None are there, finally we check Cell level whether user gets
read permission.. As all tags missed, no cell level special treatment for an user.  So only
the reverse issue will happen. (Cell level permission was given to a user while put and he
can not read it back)

> 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: Blocker
>              Labels: needs_releasenote
>             Fix For: 2.0.0, 1.2.0, 1.3.0, 1.1.4, 1.0.4, 0.98.18
>         Attachments: HBASE-15218-0.98.patch, HBASE-15218-branch-1.1.patch, HBASE-15218-branch-1.2.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.  (While writing
to WAL using WALCellCodec, we are preserving Cell tags.)
> In case of SecureWALCellCodec, we are not even writing Cell tags to WAL.

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