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From "Lars Hofhansl (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HBASE-8166) Avoid writing the memstoreTS into HFiles when possible
Date Thu, 21 Mar 2013 18:25:16 GMT

     [ https://issues.apache.org/jira/browse/HBASE-8166?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Lars Hofhansl updated HBASE-8166:
---------------------------------

    Status: Patch Available  (was: Open)
    
> Avoid writing the memstoreTS into HFiles when possible
> ------------------------------------------------------
>
>                 Key: HBASE-8166
>                 URL: https://issues.apache.org/jira/browse/HBASE-8166
>             Project: HBase
>          Issue Type: Bug
>            Reporter: Lars Hofhansl
>            Assignee: Lars Hofhansl
>             Fix For: 0.95.0, 0.98.0, 0.94.7
>
>         Attachments: 8166-0.94.txt, 8166-0.96.txt
>
>
> See discussion in HBASE-8151.
> Upon compaction we can check all the involved HFiles. If all of them have a MAX_MEMSTORE_TS
< the smallest scannner readpoint, we create a writer that does not write the memstoreTS.

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