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Posted to issues@hbase.apache.org by "Jean-Daniel Cryans (JIRA)" <ji...@apache.org> on 2011/03/23 01:04:06 UTC
[jira] [Commented] (HBASE-3526) Tables with TTL should be able to
prune memstore w/o flushing
[ https://issues.apache.org/jira/browse/HBASE-3526?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13009917#comment-13009917 ]
Jean-Daniel Cryans commented on HBASE-3526:
-------------------------------------------
Could we put this only in 0.92? It seems to go beyond a simple optimization.
> Tables with TTL should be able to prune memstore w/o flushing
> -------------------------------------------------------------
>
> Key: HBASE-3526
> URL: https://issues.apache.org/jira/browse/HBASE-3526
> Project: HBase
> Issue Type: Improvement
> Components: regionserver
> Affects Versions: 0.90.0
> Reporter: ryan rawson
> Fix For: 0.90.2
>
>
> If you have a table with TTL, the memstore will grow until it hits flush size, at which point the flush code will prune the KVs going to hfile. If you have a small TTL, it may not be necessary to flush, since pruning data in memory would ensure that we never grow too big.
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