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Posted to issues@arrow.apache.org by "Micah Kornfield (JIRA)" <ji...@apache.org> on 2016/04/18 08:24:25 UTC

[jira] [Created] (ARROW-110) [C++] Decide on optimal growth factor when appending to buffers/arrays

Micah Kornfield created ARROW-110:
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             Summary: [C++] Decide on optimal growth factor when appending to buffers/arrays
                 Key: ARROW-110
                 URL: https://issues.apache.org/jira/browse/ARROW-110
             Project: Apache Arrow
          Issue Type: Bug
            Reporter: Micah Kornfield


There is some evidence that powers of 2 might not be optimal (the facebook folly library suggests this in there explanation of why they have there own vector type).  They use 1.5 (as do other implementations that don't use two).



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