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From "Jerry He (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-15841) Performance Evaluation tool total rows may not be set correctly
Date Tue, 17 May 2016 22:13:12 GMT

    [ https://issues.apache.org/jira/browse/HBASE-15841?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15287734#comment-15287734
] 

Jerry He commented on HBASE-15841:
----------------------------------

ok.  That makes sense.
I am ok will imposing new meaning on the 'size'.
It is not just an input value anymore. It can be a deducted, calculated, stored and may have
future reference as well.

> Performance Evaluation tool total rows may not be set correctly
> ---------------------------------------------------------------
>
>                 Key: HBASE-15841
>                 URL: https://issues.apache.org/jira/browse/HBASE-15841
>             Project: HBase
>          Issue Type: Bug
>            Reporter: Jerry He
>            Assignee: Jerry He
>            Priority: Minor
>             Fix For: 2.0.0, 1.3.0, 1.4.0, 1.2.2
>
>         Attachments: HBASE-15841-branch-1.patch, HBASE-15841-master.patch
>
>
> Carried my comment on HBASE-15403 to here:
> Recently when I ran PerformanceEvaluation, I did notice some problem with the number
of rows.
> hbase org.apache.hadoop.hbase.PerformanceEvaluation --table=TestTable1 randomWrite 1
> hbase org.apache.hadoop.hbase.PerformanceEvaluation --table=TestTable5 randomWrite 5
> hbase org.apache.hadoop.hbase.PerformanceEvaluation --table=TestTable10 randomWrite 10
> hbase org.apache.hadoop.hbase.PerformanceEvaluation --table=TestTable10 randomWrite 20
> All produced similar number of rows, and on the file system, they look like in similar
size as well:
> hadoop fs -du -h /apps/hbase/data/data/default
> 786.5 M /apps/hbase/data/data/default/TestTable1
> 786.0 M /apps/hbase/data/data/default/TestTable10
> 782.0 M /apps/hbase/data/data/default/TestTable20
> 713.4 M /apps/hbase/data/data/default/TestTable5
> HBase is 1.2.0. Looks like a regression somewhere.



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