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https://issues.apache.org/jira/browse/MAPREDUCE-7525?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18052069#comment-18052069
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ASF GitHub Bot commented on MAPREDUCE-7525:
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zhixingheyi-tian opened a new pull request, #8183:
URL: https://github.com/apache/hadoop/pull/8183
### Description of PR
Currently, the TestDFSIO benchmark hardcodes the InputFormat to
SequenceFileInputFormat.class in the runIOTest method. This limits flexibility
for users who want to test different InputFormat implementations' performance,
particularly CombineSequenceFileInputFormat which is essential for handling
small file scenarios efficiently.
> Improve TestDFSIO to support different InputFormat
> --------------------------------------------------
>
> Key: MAPREDUCE-7525
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-7525
> Project: Hadoop Map/Reduce
> Issue Type: Improvement
> Components: mapreduce-client
> Affects Versions: 3.3.3
> Reporter: zhixingheyi-tian
> Priority: Major
>
> Currently, the TestDFSIO benchmark hardcodes the InputFormat to
> SequenceFileInputFormat.class in the runIOTest method. This limits
> flexibility for users who want to test different InputFormat implementations'
> performance, particularly CombineSequenceFileInputFormat which is essential
> for handling small file scenarios efficiently.
>
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