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Posted to common-issues@hadoop.apache.org by "Hanisha Koneru (JIRA)" <ji...@apache.org> on 2017/09/22 20:17:00 UTC
[jira] [Assigned] (HADOOP-14902) LoadGenerator#genFile write close
timing is incorrectly calculated
[ https://issues.apache.org/jira/browse/HADOOP-14902?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Hanisha Koneru reassigned HADOOP-14902:
---------------------------------------
Assignee: Hanisha Koneru
> LoadGenerator#genFile write close timing is incorrectly calculated
> ------------------------------------------------------------------
>
> Key: HADOOP-14902
> URL: https://issues.apache.org/jira/browse/HADOOP-14902
> Project: Hadoop Common
> Issue Type: Bug
> Components: fs
> Affects Versions: 2.4.0
> Reporter: Jason Lowe
> Assignee: Hanisha Koneru
>
> LoadGenerator#genFile's write close timing code looks like the following:
> {code}
> startTime = Time.now();
> executionTime[WRITE_CLOSE] += (Time.now() - startTime);
> {code}
> That code will generate a zero (or near zero) write close timing since it isn't actually closing the file in-between timestamp lookups.
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