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Speed up the operation of adding index #5192

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zimulala opened this issue Nov 22, 2017 · 1 comment · Fixed by #5964
Closed

Speed up the operation of adding index #5192

zimulala opened this issue Nov 22, 2017 · 1 comment · Fixed by #5964
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@winkyao

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zimulala commented Nov 22, 2017 •
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We can do some optimizations as follows:

  1. Read data with coprocess, which can prune useless columns
  2. Split worker into two parts, reading worker and writing worker. Then we can handle tasks concurrently.
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zimulala commented Nov 22, 2017 •
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We have done some optimizations.
Relate to issue #2257
Relate to PR #4579 and #4632

@shenli shenli added the DDL label Nov 22, 2017
@zimulala zimulala mentioned this issue Dec 11, 2017
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@zimulala zimulala mentioned this issue Jan 15, 2018
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@alivxxx alivxxx mentioned this issue Feb 8, 2018
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@zimulala zimulala mentioned this issue Feb 26, 2018
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@winkyao winkyao mentioned this issue Mar 6, 2018
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ddl: speed up add index by split handle range from pd region.
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@shenli @zimulala @winkyao