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From "Mingliang Liu (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HDFS-9867) Missing block exception should carry locatedBlocks information
Date Sat, 27 Feb 2016 04:08:18 GMT
Mingliang Liu created HDFS-9867:
-----------------------------------

             Summary: Missing block exception should carry locatedBlocks information
                 Key: HDFS-9867
                 URL: https://issues.apache.org/jira/browse/HDFS-9867
             Project: Hadoop HDFS
          Issue Type: Sub-task
          Components: hdfs-client
            Reporter: Mingliang Liu
            Assignee: Mingliang Liu
            Priority: Minor


When more than {{parityBlkNum}} internal blocks are missing, {{StripeReader}} throws IOException.
Sample error message like:
{quote}
java.io.IOException: 5 missing blocks, the stripe is: Offset=44695552, length=65536, fetchedChunksNum=0,
missingChunksNum=5
{quote}

According to our recent experience, it'd be useful for debugging and diagnosing to dump the
current block group information.



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