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From "Jean-Daniel Cryans (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-8450) Update hbase-default.xml and general recommendations to better suit current hw, h2, experience, etc.
Date Tue, 14 May 2013 03:29:16 GMT

    [ https://issues.apache.org/jira/browse/HBASE-8450?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13656679#comment-13656679
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Jean-Daniel Cryans commented on HBASE-8450:
-------------------------------------------

bq. No, i do not consider this method, according to HBASE-1394 we should have less block transition.

1394 is old and unrelated, we did 1MB blocks because we didn't have durability.

bq. So, we should have muti hlog, if one is slow, use the other one.

I agree we should get HBASE-5699 but we don't have it at the moment so it won't help.
                
> Update hbase-default.xml and general recommendations to better suit current hw, h2, experience,
etc.
> ----------------------------------------------------------------------------------------------------
>
>                 Key: HBASE-8450
>                 URL: https://issues.apache.org/jira/browse/HBASE-8450
>             Project: HBase
>          Issue Type: Task
>          Components: Usability
>            Reporter: stack
>            Priority: Critical
>             Fix For: 0.95.1
>
>         Attachments: 8450.txt
>
>
> This is a critical task we need to do before we release; review our defaults.
> On cursory review, there are configs in hbase-default.xml that no longer have matching
code; there are some that should be changed because we know better now and others that should
be amended because hardware and deploys are bigger than they used to be.
> We could also move stuff around so that the must-edit stuff is near the top (zk quorum
config. is mid-way down the page) and beef up the descriptions -- especially since these descriptions
shine through in the refguide.
> Lastly, I notice that our tgz does not "include" an hbase-default.xml other than the
one bundled up in the jar.  Maybe we should make it more accessible.

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