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https://issues.apache.org/jira/browse/HDFS-9040?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Walter Su updated HDFS-9040:
----------------------------
Description:
The general idea is to simplify error handling logic.
Proposal 1:
A BlockGroupDataStreamer to communicate with NN to allocate/update block, and
StripedDataStreamer s only have to stream blocks to DNs.
Proposal 2:
See below the
[comment|https://issues.apache.org/jira/browse/HDFS-9040?focusedCommentId=14741388&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-14741388]
from [~jingzhao].
was:A {{BlockGroupDataStreamer}} to communicate with NN to allocate/update
block, and {{StripedDataStreamer}} s only have to stream blocks to DNs.
> Erasure coding: Refactor DFSStripedOutputStream (Move Namenode RPC Requests
> to Coordinator)
> -------------------------------------------------------------------------------------------
>
> Key: HDFS-9040
> URL: https://issues.apache.org/jira/browse/HDFS-9040
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Reporter: Walter Su
> Assignee: Walter Su
> Attachments: HDFS-9040.00.patch, HDFS-9040.001.wip.patch
>
>
> The general idea is to simplify error handling logic.
> Proposal 1:
> A BlockGroupDataStreamer to communicate with NN to allocate/update block, and
> StripedDataStreamer s only have to stream blocks to DNs.
> Proposal 2:
> See below the
> [comment|https://issues.apache.org/jira/browse/HDFS-9040?focusedCommentId=14741388&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-14741388]
> from [~jingzhao].
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