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https://issues.apache.org/jira/browse/HDFS-7260?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14185728#comment-14185728
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Tsz Wo Nicholas Sze commented on HDFS-7260:
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Sure, I will change it to dfs.client.write.max-packets-in-flight in HDFS-7276.

> Make DFSOutputStream.MAX_PACKETS configurable
> ---------------------------------------------
>
>                 Key: HDFS-7260
>                 URL: https://issues.apache.org/jira/browse/HDFS-7260
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: hdfs-client
>            Reporter: Tsz Wo Nicholas Sze
>            Assignee: Tsz Wo Nicholas Sze
>            Priority: Minor
>             Fix For: 2.6.0
>
>         Attachments: h7260_20141017.patch
>
>
> DFSOutputStream.MAX_PACKETS is hard coded to 80.  In some case, a smaller 
> value is preferred for reducing memory usage.   Let's make it configurable.



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