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Posted to issues@kudu.apache.org by "Mike Percy (JIRA)" <ji...@apache.org> on 2016/03/21 22:10:25 UTC

[jira] [Created] (KUDU-1377) Log block manager metadata doesn't handle partial truncation

Mike Percy created KUDU-1377:
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             Summary: Log block manager metadata doesn't handle partial truncation
                 Key: KUDU-1377
                 URL: https://issues.apache.org/jira/browse/KUDU-1377
             Project: Kudu
          Issue Type: Bug
          Components: fs
    Affects Versions: 0.7.1
            Reporter: Mike Percy
            Assignee: Mike Percy


If the log block manager's metadata file gets only partially written, this will result in failure to start up again. Since we are constantly appending, this is a problem since partial writes can occur when the disk fills up (among other potential error conditions like a system crash during a write).

Pointer to the code in question: https://github.com/apache/incubator-kudu/blob/0.7.1/src/kudu/fs/log_block_manager.cc#L437



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