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From "Ted Yu (JIRA)" <j...@apache.org>
Subject [jira] [Assigned] (HBASE-16122) PerformanceEvaluation should provide user friendly hint when client threads argument is missing
Date Tue, 28 Jun 2016 15:19:57 GMT

     [ https://issues.apache.org/jira/browse/HBASE-16122?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Ted Yu reassigned HBASE-16122:
------------------------------

    Assignee: Konstantin Ryakhovskiy

> PerformanceEvaluation should provide user friendly hint when client threads argument
is missing
> -----------------------------------------------------------------------------------------------
>
>                 Key: HBASE-16122
>                 URL: https://issues.apache.org/jira/browse/HBASE-16122
>             Project: HBase
>          Issue Type: Bug
>            Reporter: Ted Yu
>            Assignee: Konstantin Ryakhovskiy
>            Priority: Minor
>
> I tried to run this command:
> hbase pe --rows=10000 --nomapred --valueSize=2000000 sequentialWrite
> {code}
> java.util.NoSuchElementException
> 	at java.util.LinkedList.removeFirst(LinkedList.java:270)
> 	at java.util.LinkedList.remove(LinkedList.java:685)
> 	at org.apache.hadoop.hbase.PerformanceEvaluation.parseOpts(PerformanceEvaluation.java:2077)
> 	at org.apache.hadoop.hbase.PerformanceEvaluation.run(PerformanceEvaluation.java:2122)
> 	at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:76)
> 	at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:90)
> 	at org.apache.hadoop.hbase.PerformanceEvaluation.main(PerformanceEvaluation.java:2159)
> {code}
> Number of client threads argument was missing.
> PerformanceEvaluation should print user friendly message informing user of the missing
argument.



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