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https://issues.apache.org/jira/browse/HDFS-8804?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jing Zhao resolved HDFS-8804.
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Resolution: Fixed
Hadoop Flags: Reviewed
Fix Version/s: HDFS-7285
I've committed this to the feature branch. Thank you guys for the review!
bq. we can at least assert alignedStripe.range.spanInBlock is no larger than
cellSize
This is guaranteed by the logic in {{readOneStripe}}. Thus my feeling here is
the assertion is unnecessary. Also we don't have this assertion for data block
buffer.
> Erasure Coding: use DirectBufferPool in DFSStripedInputStream for buffer
> allocation
> -----------------------------------------------------------------------------------
>
> Key: HDFS-8804
> URL: https://issues.apache.org/jira/browse/HDFS-8804
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Reporter: Jing Zhao
> Assignee: Jing Zhao
> Fix For: HDFS-7285
>
> Attachments: HDFS-8804.000.patch, HDFS-8804.001.patch
>
>
> Currently we directly allocate direct ByteBuffer in DFSStripedInputstream for
> the stripe buffer and the buffers holding parity data. It's better to get
> ByteBuffer from DirectBufferPool.
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