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From "Allen Wittenauer (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (HDFS-2250) open_read operation of NNbench is not working.
Date Mon, 21 Jul 2014 22:06:40 GMT

     [ https://issues.apache.org/jira/browse/HDFS-2250?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Allen Wittenauer resolved HDFS-2250.
------------------------------------

    Resolution: Fixed

I'm sure this is stale.

> open_read operation of NNbench is not working.
> ----------------------------------------------
>
>                 Key: HDFS-2250
>                 URL: https://issues.apache.org/jira/browse/HDFS-2250
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: test
>            Reporter: Suman Sehgal
>
> NNBench's open_read operation is not working.
> On giving command "bin/hadoop  hadoop-0.20.1-dev-test.jar nnbench -operation open_read",
 following error message is displayed :
> java.lang.ArithmeticException: / by zero
>         at org.apache.hadoop.hdfs.NNBench.analyzeResults(NNBench.java:376)
>         at org.apache.hadoop.hdfs.NNBench.main(NNBench.java:583)
>         at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>         at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
>         at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
>         at java.lang.reflect.Method.invoke(Method.java:597)
>         at org.apache.hadoop.util.ProgramDriver$ProgramDescription.invoke(ProgramDriver.java:68)
>         at org.apache.hadoop.util.ProgramDriver.driver(ProgramDriver.java:139)
>         at org.apache.hadoop.test.AllTestDriver.main(AllTestDriver.java:81)
>         at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>         at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
>         at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
>         at java.lang.reflect.Method.invoke(Method.java:597)
>         at org.apache.hadoop.util.RunJar.main(RunJar.java:156)
> map and reduce phases get completed and error comes while computing average execution
time.



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