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https://issues.apache.org/jira/browse/HADOOP-16404?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16881951#comment-16881951
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Steve Loughran commented on HADOOP-16404:
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given you the right to assign issues to yourself...
> ABFS default blocksize change(256MB from 512MB)
> -----------------------------------------------
>
> Key: HADOOP-16404
> URL: https://issues.apache.org/jira/browse/HADOOP-16404
> Project: Hadoop Common
> Issue Type: Sub-task
> Components: fs/azure
> Affects Versions: 3.1.2
> Reporter: Arun Singh
> Priority: Major
> Labels: patch
> Fix For: 3.1.2
>
> Attachments: HADOOP-16404.patch
>
>
> We intend to change the default blocksize of the abfs driver to 256Mb from
> 512MB.
> After changing the blocksize we have performed a series of test(Spark Tera,
> Spark DFSIO,TPCDS on HIVE) and have seen consistent improvements in order of
> 4-5 %
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