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https://issues.apache.org/jira/browse/HDFS-12349?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16157734#comment-16157734
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Andrew Wang commented on HDFS-12349:
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Thanks for the rev Eddy, LGTM +1 pending this little nit:
* "Exclude nodes" -> "Excluded nodes"
> 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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