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From "Dave Latham (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-15585) RegionServer coprocessors are not flexible enough
Date Fri, 01 Apr 2016 23:39:25 GMT

    [ https://issues.apache.org/jira/browse/HBASE-15585?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15222542#comment-15222542
] 

Dave Latham commented on HBASE-15585:
-------------------------------------

Coprocessors should never have run inside the same JVM.  What happens if an untrusted version
of this coprocessor should run?  Please reimplement as a new framework in a separate process
with a harness to communicate to the RS securely. 

> RegionServer coprocessors are not flexible enough
> -------------------------------------------------
>
>                 Key: HBASE-15585
>                 URL: https://issues.apache.org/jira/browse/HBASE-15585
>             Project: HBase
>          Issue Type: Bug
>          Components: Coprocessors, regionserver
>            Reporter: Sergey Shelukhin
>            Assignee: Sergey Shelukhin
>         Attachments: HBASE-15585.01.patch, HBASE-15585.patch
>
>
> While you can do all kinds of things with coprocessors, like arbitrarily discard memstore
data or replace files randomly during compaction, I believe the ultimate power and flexibility
is not there. The patch aims to address this shortcoming.



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