[jira] Reopened: (HBASE-1995) Add configurable max value size check

["Andrew Purtell (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HBASE-1995?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Andrew Purtell reopened HBASE-1995:
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> Add configurable max value size check
> -------------------------------------
>
>                 Key: HBASE-1995
>                 URL: https://issues.apache.org/jira/browse/HBASE-1995
>             Project: Hadoop HBase
>          Issue Type: Improvement
>          Components: client
>            Reporter: Lars George
>            Assignee: Lars George
>            Priority: Minor
>             Fix For: 0.21.0
>
>         Attachments: HBASE-1995.patch
>
>
> After discussing with Michael, the issue was that if you have a region size of for example 256M and you add a 1G value into a column then that region cannot split and a cluster can become lopsided. It also means that you have a really large block and the memstore would need to handle the 1G data. I proposed to add a configurable upper boundary check that is throwing an exception on the client side if the user tries to add a value larger than that limit. Ideally it would be set to the maximum region size or less. 

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