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From "Jean-Daniel Cryans (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HBASE-2188) Group ICVs waiting on row lock
Date Mon, 08 Feb 2010 18:53:29 GMT

     [ https://issues.apache.org/jira/browse/HBASE-2188?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Jean-Daniel Cryans updated HBASE-2188:
--------------------------------------

         Priority: Minor  (was: Major)
    Fix Version/s:     (was: 0.21.0)

Setting this to minor priority and not for 0.21, let's revisit if we need to.

> Group ICVs waiting on row lock
> ------------------------------
>
>                 Key: HBASE-2188
>                 URL: https://issues.apache.org/jira/browse/HBASE-2188
>             Project: Hadoop HBase
>          Issue Type: Improvement
>            Reporter: Jean-Daniel Cryans
>            Priority: Minor
>
> In the same spirit as group commit down in HLog, incrementColumnValue should be grouping
all requests waiting on the row lock into one in HRegion. This means that 10 clients waiting
on the lock should be all summed up and then applied only once.

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