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From "Jakob Homan (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-6083) TestFsck takes nearly 10 minutes to run - a quarter of the entire hdfs-test time
Date Fri, 19 Jun 2009 01:11:07 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-6083?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12721600#action_12721600
] 

Jakob Homan commented on HADOOP-6083:
-------------------------------------

Here are the test times: (n = 16, mean=512.4sec, median=564.8sec, stddev=126.07sec), for those
who love numbers.
||TestFsck 
execution 
time(sec)||
|512.39|
|564.80|
|126.07|
|652.04|
|628.93|
|602.27|
|569.37|
|465.24|
|219.35|
|385.75|
|486.79|
|617.26|
|636.08|
|586.59|
|408.39|
|320.59|
|588.53|
|470.80|
|560.22|


> TestFsck takes nearly 10 minutes to run - a quarter of the entire hdfs-test time
> --------------------------------------------------------------------------------
>
>                 Key: HADOOP-6083
>                 URL: https://issues.apache.org/jira/browse/HADOOP-6083
>             Project: Hadoop Core
>          Issue Type: Improvement
>          Components: test
>            Reporter: Jakob Homan
>
> run-test-hdfs was run repeatedly (n = 16) and the execution time of each test was recorded.
 Testfsck was by far the longest test, with a median run time of 564 seconds, nearly 10 minutes.
 This is a quarter of the entire time spent over the average 40 minute run for all the tests,
and much too long for any individual test.

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