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https://issues.apache.org/jira/browse/HDFS-8481?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14565447#comment-14565447
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Jing Zhao commented on HDFS-8481:
---------------------------------

Yes, to have this kind of accumulation will be great. But looks to me this will 
be mainly a performance optimization. Not reusing user buffer may cause more 
serious issue as Walter described and should be more critical to fix.

> Erasure coding: remove workarounds in client side stripped blocks recovering
> ----------------------------------------------------------------------------
>
>                 Key: HDFS-8481
>                 URL: https://issues.apache.org/jira/browse/HDFS-8481
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>            Reporter: Zhe Zhang
>            Assignee: Zhe Zhang
>         Attachments: HDFS-8481-HDFS-7285.00.patch, 
> HDFS-8481-HDFS-7285.01.patch, HDFS-8481-HDFS-7285.02.patch, 
> HDFS-8481-HDFS-7285.03.patch
>
>
> After HADOOP-11847 and related fixes, we should be able to properly calculate 
> decoded contents.



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