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From "Andrew Purtell (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HBASE-9754) Eliminate threadlocal from MVCC code
Date Mon, 02 Dec 2013 04:19:37 GMT

     [ https://issues.apache.org/jira/browse/HBASE-9754?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Andrew Purtell updated HBASE-9754:
----------------------------------

    Resolution: Fixed
        Status: Resolved  (was: Patch Available)

This has been committed to trunk, resolving. 

Reopen as necessary when committing to other branches.

> Eliminate threadlocal from MVCC code
> ------------------------------------
>
>                 Key: HBASE-9754
>                 URL: https://issues.apache.org/jira/browse/HBASE-9754
>             Project: HBase
>          Issue Type: Bug
>            Reporter: Lars Hofhansl
>            Assignee: Ted Yu
>             Fix For: 0.98.0
>
>         Attachments: 9754-0.94-v2.txt, 9754-0.94.txt, 9754-addendum.txt, 9754-rp-0.txt,
9754-rp-1.txt, 9754-rp-hregion-v2.txt, 9754-rp-hregion-v3.txt, 9754-rp-hregion.txt
>
>
> Brought up by [~vrodionov] and [~yuzhihong@gmail.com].
> Currently we use ThreadLocals to communicate the current readpoint between a RegionScanner
and the Store\{File}Scanner's down the stack.
> Since ThreadLocals are not cheap we should consider whether it is possible to pass the
readpoint through the call stack instead.



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