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https://issues.apache.org/jira/browse/HBASE-4908?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13160490#comment-13160490
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Phabricator commented on HBASE-4908:
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nspiegelberg has commented on the revision "[jira] [HBASE-4908] HBase cluster
test tool (port from 0.89-fb)".
@stack : We should have a distinction:
PerformanceEvaluation - meant to get an idea of the performance of your
system setup. Able to find performance regressions or understand theoretical
performance gains of datapath changes
Load Tester - meant to provide deterministic, long-running load on a system.
Allows for large scale verification to catch race conditions resulting from
logic error or process failure (in a distributed system setting).
REVISION DETAIL
https://reviews.facebook.net/D549
> 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: D549.1.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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