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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-12349.00.patch
Attach the patch to fix cases for both no enough data block and no enough
parity block cases.
It also move the logic of checking data blocks to {{BlockManager}}, similar to
what NN checks {{minReplication}}.
> 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
>
>
> 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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