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Date: Wed, 7 Dec 2011 02:51:40 +0000 (UTC)
From: "Mikhail Bautin (Updated) (JIRA)" <jira@apache.org>
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Subject: [jira] [Updated] (HBASE-4908) HBase cluster test tool (port from
 0.89-fb)
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     [ https://issues.apache.org/jira/browse/HBASE-4908?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Mikhail Bautin updated HBASE-4908:
----------------------------------

    Attachment: 0002-HBase-cluster-test-tool.patch

Uploading a patch for Jenkins testing.
                
> HBase cluster test tool (port from 0.89-fb)
> -------------------------------------------
>
>                 Key: HBASE-4908
>                 URL: https://issues.apache.org/jira/browse/HBASE-4908
>             Project: HBase
>          Issue Type: Sub-task
>            Reporter: Mikhail Bautin
>            Assignee: Mikhail Bautin
>         Attachments: 0001-HBase-cluster-test-tool.patch, 0002-HBase-cluster-test-tool.patch, D549.1.patch, D549.2.patch, D549.3.patch, D549.4.patch, D549.5.patch, D549.6.patch, D549.7.patch, D549.8.patch
>
>
> Porting one of our HBase cluster test tools (a single-process multi-threaded load generator and verifier) from 0.89-fb to trunk.
> I cleaned up the code a bit compared to what's in 0.89-fb, and discovered that it has some features that I have not tried yet (some kind of a kill test, and some way to run HBase as multiple processes on one machine).
> The main utility of this piece of code for us has been the HBaseClusterTest command-line tool (called HBaseTest in 0.89-fb), which we usually invoke as a load test in our five-node dev cluster testing, e.g.:
> hbase org.apache.hadoop.hbase.manual.HBaseTest -load 1000000000:50:100:20 -tn load_test -read 1:1000000000:50:20 -zk <zk_quorum> -bloom ROWCOL -compression GZIP
> I will be using this code to load-test the delta encoding patch and making fixes, but I am submitting the patch for early feedback. I will probably try out its other functionality and comment on how it works.

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