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https://issues.apache.org/jira/browse/HBASE-8450?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13665531#comment-13665531
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Nicolas Liochon commented on HBASE-8450:
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[~jdcryans]
bq. I agree with you that setting that down to 10 would currently mean that we
might retry timeouts on the region servers. What I'm wondering now is how we
can make this better. Should we also tweak the default operation timeout lower?
Maybe it set it higher for MR jobs?
HBASE-7590 helps here, because you can set a high timeout without beeing stuck
on dead servers. May be we could have different timeouts for read & writes, as
read can be reexecuted without risks). But on the long term I think that the
best option is around the approach of HBASE-7590: just wait, if the server is
dead we will tell you...
> 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
> Assignee: stack
> Priority: Critical
> Fix For: 0.95.1
>
> Attachments: 8450.txt, 8450v2.txt, 8450v3.txt, 8450v5.txt, 8450v5.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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