[jira] [Commented] (HDFS-17039) CSV output support for NNThroughputBenchmark

["Steve Loughran (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HDFS-17039?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17729684#comment-17729684 ] 

Steve Loughran commented on HDFS-17039:
---------------------------------------

there's a CSV writer in hadoop-tools/hadoop-aws/src/test/java/org/apache/hadoop/fs/s3a/auth/delegation/Csvout.java

> CSV output support for NNThroughputBenchmark
> --------------------------------------------
>
>                 Key: HDFS-17039
>                 URL: https://issues.apache.org/jira/browse/HDFS-17039
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: benchmarks, test
>            Reporter: Mark Bukhner
>            Priority: Minor
>
> Now the NNThroughputBenchmark has only console result output, i use this benchmark a lot and it's more convenient to have ability to write benchmark results in csv file. 
> This change add BenchmarkOutputWriter class, which prints any benchmark results in csv file, this entity could work with any benchmark. To implement this feature in benchmark, @Parameter annotation was added in benchmark fields.
> I think this option very helpful for community



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