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https://issues.apache.org/jira/browse/HADOOP-13280?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15334982#comment-15334982
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Colin Patrick McCabe commented on HADOOP-13280:
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Thanks for the patch, [~liuml07]. You are right that it should be readOps +
largeReadOps. It's great to have a test as well.
{code}
return (long) (data.getReadOps() + data.getLargeReadOps());
{code}
Do we need the typecast here? Seems like it shouldn't be required since the
int should be promoted to a long automatically. +1 once that's addressed.
> FileSystemStorageStatistics#getLong(“readOps“) should return readOps +
> largeReadOps
> -----------------------------------------------------------------------------------
>
> Key: HADOOP-13280
> URL: https://issues.apache.org/jira/browse/HADOOP-13280
> Project: Hadoop Common
> Issue Type: Sub-task
> Components: fs
> Affects Versions: 2.8.0
> Reporter: Mingliang Liu
> Assignee: Mingliang Liu
> Fix For: 2.8.0
>
> Attachments: HADOOP-13280.000.patch, HADOOP-13280.001.patch
>
>
> Currently {{FileSystemStorageStatistics}} instance simply returns data from
> {{FileSystem$Statistics}}. As to {{readOps}}, the
> {{FileSystem$Statistics#getReadOps()}} returns {{readOps + largeReadOps}}. We
> should make the {{FileSystemStorageStatistics#getLong(“readOps“)}} return the
> sum as well.
> Moreover, there is no unit tests for {{FileSystemStorageStatistics}} and this
> JIRA will also address this.
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