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Posted to hdfs-issues@hadoop.apache.org by "Kidd5368 (Jira)" <ji...@apache.org> on 2022/09/17 16:24:00 UTC

[jira] [Created] (HDFS-16776) Erasure Coding: The length of targets should be checked when DN gets a reconstruction task.

Kidd5368 created HDFS-16776:
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             Summary: Erasure Coding: The length of targets should be checked when DN gets a reconstruction task.
                 Key: HDFS-16776
                 URL: https://issues.apache.org/jira/browse/HDFS-16776
             Project: Hadoop HDFS
          Issue Type: Improvement
            Reporter: Kidd5368


The length of targets should be checked when DN gets a EC reconstruction task.For some reason (HDFS-14768, HDFS-16739) , the length of targets will be larger than additionalReplRequired which causes some elements in targets get the default value 0. It may trigger the bug which leads to the data corrupttion just like HDFS-14768.



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