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Posted to common-issues@hadoop.apache.org by "Swapnil Daingade (JIRA)" <ji...@apache.org> on 2014/11/11 03:33:34 UTC
[jira] [Assigned] (HADOOP-11044) FileSystem counters can overflow
for large number of readOps, largeReadOps, writeOps
[ https://issues.apache.org/jira/browse/HADOOP-11044?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Swapnil Daingade reassigned HADOOP-11044:
-----------------------------------------
Assignee: Swapnil Daingade
> FileSystem counters can overflow for large number of readOps, largeReadOps, writeOps
> ------------------------------------------------------------------------------------
>
> Key: HADOOP-11044
> URL: https://issues.apache.org/jira/browse/HADOOP-11044
> Project: Hadoop Common
> Issue Type: Improvement
> Affects Versions: 2.5.0, 2.4.1
> Reporter: Swapnil Daingade
> Assignee: Swapnil Daingade
> Priority: Minor
> Attachments: 11044.patch4, 11044.patch6
>
>
> The org.apache.hadoop.fs.FileSystem.Statistics.StatisticsData class defines readOps, largeReadOps, writeOps as int. Also the The org.apache.hadoop.fs.FileSystem.Statistics class has methods like getReadOps(), getLargeReadOps() and getWriteOps() that return int. These int values can overflow if the exceed 2^31-1 showing negative values. It would be nice if these can be changed to long.
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