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Posted to hdfs-dev@hadoop.apache.org by "Colin Patrick McCabe (JIRA)" <ji...@apache.org> on 2015/08/27 00:48:46 UTC

[jira] [Created] (HDFS-8965) Harden edit log reading code against out of memory errors

Colin Patrick McCabe created HDFS-8965:
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             Summary: Harden edit log reading code against out of memory errors
                 Key: HDFS-8965
                 URL: https://issues.apache.org/jira/browse/HDFS-8965
             Project: Hadoop HDFS
          Issue Type: Improvement
            Reporter: Colin Patrick McCabe
            Assignee: Colin Patrick McCabe


We should harden the edit log reading code against out of memory errors.  Now that each op has a length prefix and a checksum, we can validate the checksum before trying to load the Op data.  This should avoid out of memory errors when trying to load garbage data as Op data.



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