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https://issues.apache.org/jira/browse/HBASE-15403?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15283038#comment-15283038
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Jerry He commented on HBASE-15403:
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Recently when I ran PerformanceEvaluation, I did notice some problem with the
number of rows. It was not exactly the same problem described in this JIRA.
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 the same 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.
> Performance Evaluation tool isn't working as expected
> -----------------------------------------------------
>
> Key: HBASE-15403
> URL: https://issues.apache.org/jira/browse/HBASE-15403
> Project: HBase
> Issue Type: Bug
> Components: Performance
> Affects Versions: 1.2.0
> Reporter: Appy
> Priority: Critical
>
> hbase pe --nomapred --rows=100 --table='t4' randomWrite 10
> # count on t4 gives 620 rows
> hbase pe --nomapred --rows=200 --table='t5' randomWrite 10
> # count on t5 gives 1257 rows
> hbase pe --nomapred --table='t6' --rows=200 randomWrite 1
> # count on t6 gives 126 rows
> I was working with 1.2.0, but it's likely that it'll also be affecting master.
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