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From "Bruno Dumon (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (WHIRR-334) Support for CDH3u0 HBase
Date Fri, 22 Jul 2011 15:55:57 GMT

    [ https://issues.apache.org/jira/browse/WHIRR-334?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13069592#comment-13069592

Bruno Dumon commented on WHIRR-334:

bq. I've updated the patch so that we can apply it using the patch command (Bruno please use
git diff --no-prefix next time). 

ok, thanks for the tip.

I've just done some more tests and noticed that even though all HBase processes started, there
was (sometimes, especially with more nodes) a problem with actually using HBase. The configure
script is such that it first installs the CDH daemon package (which starts HBase), then changes
the configuration, and then restarts HBase. It appears HBase is confused by this configuration
change. If I move the daemon package installation after the conf file changes, then it works.

I'm now able to run the integration tests with the default selected images in the default
(us) zone. I've ran in them three times in a row successfully. I did use whirr.hardware-id=m1.large.
With the default selected t1.micro, results seem to be less consistent (I've run it once successful,
and once it failed).

I'll provide an updated patch tomorrow.

> Support for CDH3u0 HBase
> ------------------------
>                 Key: WHIRR-334
>                 URL: https://issues.apache.org/jira/browse/WHIRR-334
>             Project: Whirr
>          Issue Type: Bug
>          Components: service/hbase
>    Affects Versions: 0.5.0
>            Reporter: Andrei Savu
>            Assignee: Andrei Savu
>             Fix For: 0.5.0, 0.6.0
>         Attachments: WHIRR-334-2.patch, WHIRR-334-3.patch, WHIRR-334-4.patch, WHIRR-334-5.patch,
WHIRR-334-test.patch, WHIRR-334.patch, WHIRR-334.patch, WHIRR-334.patch, WHIRR-334.patch
> Message from Geoff Black on the Github pull request [1]:
> {quote}
> I've updated the cdh services scripts and ZooKeeperClusterActionHandler.java to properly
work with CDH3 when setting up an HBase cluster. Tested multiple times with 1 master + 1 region
and also 1 master + 5 region on EC2.
> The only issue I ran into was previously documented in https://issues.apache.org/jira/browse/HBASE-1960
where the HBase Master shuts down after only one attempt to access DFS. This is something
that should be addressed by the HBase team or a fix integrated by Cloudera into CDH.
> {quote}
> [1] https://github.com/apache/whirr/pull/1 

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