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https://issues.apache.org/jira/browse/HDFS-9342?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15997206#comment-15997206
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Andrew Wang commented on HDFS-9342:
-----------------------------------
Thanks for reviewing Zhe!
Ping [~Sammi], think we can get a quick rev? Looks like we're close to wrapping
this up.
> Erasure coding: client should update and commit block based on acknowledged
> size
> --------------------------------------------------------------------------------
>
> Key: HDFS-9342
> URL: https://issues.apache.org/jira/browse/HDFS-9342
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: erasure-coding
> Affects Versions: 3.0.0-alpha1
> Reporter: Zhe Zhang
> Assignee: SammiChen
> Priority: Critical
> Labels: hdfs-ec-3.0-nice-to-have
> Attachments: HDFS-9342.01.patch, HDFS-9342.02.patch,
> HDFS-9342.03.patch, HDFS-9342.04.patch
>
>
> For non-EC files, we have:
> {code}
> protected ExtendedBlock block; // its length is number of bytes acked
> {code}
> For EC files, the size of {{DFSStripedOutputStream#currentBlockGroup}} is
> incremented in {{writeChunk}} without waiting for ack. And both
> {{updatePipeline}} and {{commitBlock}} are based on size of
> {{currentBlockGroup}}.
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