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From "ryan rawson (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HBASE-1530) Optimize changed readers notification to only update what has changed rather than rebuild entire KV heap
Date Wed, 25 Aug 2010 01:14:16 GMT

    [ https://issues.apache.org/jira/browse/HBASE-1530?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12902257#action_12902257
] 

ryan rawson commented on HBASE-1530:
------------------------------------

With block caching the impact of this should be minimal, so should be no
biggie.

https://issues.apache.org/jira/browse/HBASE-1530?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12902239#action_12902239]
rather than rebuild entire KV heap
--------------------------------------------------------------------------------------------------------
HBASE-1503, we should modify the existing KeyValueHeap in place by reusing
any open scanners possible.


> Optimize changed readers notification to only update what has changed rather than rebuild
entire KV heap
> --------------------------------------------------------------------------------------------------------
>
>                 Key: HBASE-1530
>                 URL: https://issues.apache.org/jira/browse/HBASE-1530
>             Project: HBase
>          Issue Type: Improvement
>          Components: regionserver
>    Affects Versions: 0.20.0
>            Reporter: Jonathan Gray
>             Fix For: 0.92.0
>
>
> As discussed in HBASE-1207 and to build on what was implemented in HBASE-1503, we should
modify the existing KeyValueHeap in place by reusing any open scanners possible.

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