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Posted to issues@carbondata.apache.org by "Jacky Li (Jira)" <ji...@apache.org> on 2020/03/03 02:17:00 UTC

[jira] [Created] (CARBONDATA-3731) Avoid data copy in Writer

Jacky Li created CARBONDATA-3731:
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             Summary: Avoid data copy in Writer
                 Key: CARBONDATA-3731
                 URL: https://issues.apache.org/jira/browse/CARBONDATA-3731
             Project: CarbonData
          Issue Type: Improvement
            Reporter: Jacky Li
            Assignee: Jacky Li
             Fix For: 2.0.0


For variable length column like String and Binary, currently there are 5 data copies during data write process, in CarbonFactDataHandlerColumnar.processDataRows
These data copies can be avoided by using ByteBuffer instead of byte[]



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