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Posted to issues@metron.apache.org by "Casey Stella (JIRA)" <ji...@apache.org> on 2017/04/03 16:23:41 UTC

[jira] [Created] (METRON-820) StellarProcessor should have a static expression cache

Casey Stella created METRON-820:
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             Summary: StellarProcessor should have a static expression cache
                 Key: METRON-820
                 URL: https://issues.apache.org/jira/browse/METRON-820
             Project: Metron
          Issue Type: Bug
            Reporter: Casey Stella


We recreate StellarProcessor objects all over the place which do not reuse their expression caches.  This results in a significant performance regression as we are compiling the expression and then processing for every message, rather than compiling once and reusing.



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