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https://issues.apache.org/jira/browse/HDFS-12349?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Lei (Eddy) Xu updated HDFS-12349:
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Attachment: HDFS-12349.02.patch
Hi, [~andrew.wang]
Thanks for the review, addressed your comments accordingly.
The following are a few message changes:
* {{"Failed to get block location for parity block, index=3"}} to
{{"Cannot allocate parity block(index=3, policy=RS-6-3-1024k), Not enough
datanodes? Exclude nodes=None)"}}
* {{"Failed to get following block, i=3"}} to {{"Failed to allocate parity
block, index=3"}}
* For a 3x replicated file: {{"File /foo could only be written to 1 of the 2
minReplication. There are 5 datanode(s) running and no node(s) are excluded in
this operation."}}
* For an EC file: {{"File /bar could only be written to 5 of the 6 required
nodes for RS-6-3-1024k. There are 5 datanode(s) running and no node(s) are
excluded in this operation."}}
> Improve log message when it could not alloc enough blocks for EC
> -----------------------------------------------------------------
>
> Key: HDFS-12349
> URL: https://issues.apache.org/jira/browse/HDFS-12349
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: erasure-coding
> Affects Versions: 3.0.0-alpha3
> Reporter: Lei (Eddy) Xu
> Assignee: Lei (Eddy) Xu
> Priority: Minor
> Attachments: HDFS-12349.00.patch, HDFS-12349.01.patch,
> HDFS-12349.02.patch
>
>
> When an EC output stream could not alloc enough blocks for parity blocks, it
> sets the warning.
> {code}
> if (blocks[i] == null) {
> LOG.warn("Failed to get block location for parity block, index=" + i);
> {code}
> We should clarify the cause of this warning message.
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