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From "ryan rawson (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HBASE-1826) Should be able to set replication level for Hlog only
Date Fri, 19 Feb 2010 07:17:27 GMT

    [ https://issues.apache.org/jira/browse/HBASE-1826?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12835624#action_12835624
] 

ryan rawson commented on HBASE-1826:
------------------------------------

I added this because i was testing performance of hdfs-200 with less replication factor to
make it faster. It didn't end up working out well, so I more or less dropped it.  I'm not
sure its a feature we need exactly.

As for making it a CF attribute, that isn't gonna work because of the 1 hlog per RS covering
multiple tables.

> Should be able to set replication level for Hlog only
> -----------------------------------------------------
>
>                 Key: HBASE-1826
>                 URL: https://issues.apache.org/jira/browse/HBASE-1826
>             Project: Hadoop HBase
>          Issue Type: Bug
>            Reporter: ryan rawson
>             Fix For: 0.21.0
>
>         Attachments: HBASe-1826.patch
>
>
> the replication level affects sync performance, so being able to tweak the r= level for
HLog only can help.

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