[jira] [Created] (HDFS-12349) Improve log message when

["Lei (Eddy) Xu (JIRA)" <ji...@apache.org>]

Lei (Eddy) Xu created HDFS-12349:
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             Summary: Improve log message when 
                 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


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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