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Posted to notifications@accumulo.apache.org by "Josh Elser (JIRA)" <ji...@apache.org> on 2014/09/30 21:38:35 UTC

[jira] [Created] (ACCUMULO-3188) DfsLogger has inefficient seek in crypto case

Josh Elser created ACCUMULO-3188:
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             Summary: DfsLogger has inefficient seek in crypto case
                 Key: ACCUMULO-3188
                 URL: https://issues.apache.org/jira/browse/ACCUMULO-3188
             Project: Accumulo
          Issue Type: Improvement
          Components: tserver
    Affects Versions: 1.6.1
            Reporter: Josh Elser
            Priority: Minor
             Fix For: 1.6.2, 1.7.0


Noticed an inefficiency when opening an encrypted WAL and attempting to read any serialized encryption parameters:

{code:title=DfsLogger.java}
          input.seek(0);
          input.readFully(magicBufferV2);
{code}

Seeking back to 0 and then re-reading the length of the {{magicBufferV2}} is unnecessary when the input stream can just be seeked to the length of {{magicBufferV2}}.



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