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https://issues.apache.org/jira/browse/HDFS-4053?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13477935#comment-13477935
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Daryn Sharp commented on HDFS-4053:
-----------------------------------
+1 Assuming test failure is unrelated. I'd suggest having the default as
"128*1024*1024" (it used to 64*1024*1024) since it's easier to grok. What
would be even better is allow units such as "M", "G", etc. I'm sure we have a
conversion method lurking somewhere in hadoop. Just suggestions.
> Increase the default block size
> -------------------------------
>
> Key: HDFS-4053
> URL: https://issues.apache.org/jira/browse/HDFS-4053
> Project: Hadoop HDFS
> Issue Type: Improvement
> Reporter: Eli Collins
> Assignee: Eli Collins
> Attachments: hdfs-4053.txt, hdfs-4053.txt
>
>
> The default HDFS block size ({{dfs.blocksize}}) has been 64mb forever. 128mb
> works well in practice on today's hardware configurations, most clusters I
> work with use it or higher (eg 256mb). Let's bump to 128mb in trunk for v3.
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