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From "Dionysios Logothetis (JIRA)" <j...@apache.org>
Subject [jira] [Created] (GIRAPH-1160) Fix memory estimation in MemoryEstimatorOrcal
Date Tue, 19 Sep 2017 18:44:00 GMT
Dionysios Logothetis created GIRAPH-1160:
--------------------------------------------

             Summary: Fix memory estimation in MemoryEstimatorOrcal
                 Key: GIRAPH-1160
                 URL: https://issues.apache.org/jira/browse/GIRAPH-1160
             Project: Giraph
          Issue Type: Bug
            Reporter: Dionysios Logothetis


Method MemoryEstimatorOracle.calculateRegression() exits if the number of valid columns to
use for the regression is not the same as the total number of columns. This is wrong, the
regression can run on only the valid columns. This causes the memory estimation to be very
off.



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