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  1. MariaDB ColumnStore
  2. MCOL-496

Improve redistributedata

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      Currently, redistributedata moves all or none of the segment files from one dbroot to another. It makes no attempt to balance the segments of a partition across dbroots.

      redistributedata should become segment aware and balance segments better.

      In addition, all data movement is done serially. That is one file at a time. Any parallelism available (multiple files at a time) should be used.

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            Assignee:
            toddstoffel Todd Stoffel
            Reporter:
            David.Hall David Hall
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