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Posted to dev@carbondata.apache.org by "Manish Gupta (JIRA)" <ji...@apache.org> on 2016/07/19 12:05:20 UTC

[jira] [Created] (CARBONDATA-80) Dictionary values should be equally distributed in buckets while loading in memory

Manish Gupta created CARBONDATA-80:
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             Summary: Dictionary values should be equally distributed in buckets while loading in memory
                 Key: CARBONDATA-80
                 URL: https://issues.apache.org/jira/browse/CARBONDATA-80
             Project: CarbonData
          Issue Type: Improvement
            Reporter: Manish Gupta
            Assignee: Manish Gupta
            Priority: Minor


Whenever a query is executed, dictionary for columns queried is loaded in memory. For incremental loads dictionary values are loaded incrementally and thus one list contains several sub lists with dictionary values.
The dictionary values on incremental load may not be equally distributed in the sub buckets and this might increase the search time of a value if there are too many incremental loads.
Therefore the dictionary values should be divided equally in the sub buckets.



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