morrySnow ddf7ef9327 [improvement](join) update broadcast join cost algorithm (#8695) ...

broadcast join cost is used compressed data size currently.
The amount of memory used may be significantly more than estimated.
This patch:
1. add a compressed ratio to broadcast join cost and set to 5 according to the experience.
2. add a new session variable `auto_broadcast_join_threshold` to limit memory used by broadcast in bytes, the default value is 1073741824(1GB)

2022-04-09 19:00:27 +08:00

..

advance-usage.md

[improvement](join) update broadcast join cost algorithm (#8695)

2022-04-09 19:00:27 +08:00

basic-usage.md

[Doc] Avoid ambiguity (#6106)

2021-07-01 09:18:56 +08:00

best-practice.md

[Feature] Add list partition support (#5529)

2021-04-24 17:42:27 +08:00

data-model-rollup.md

[doc] Update data-model-rollup.md (#8782)

2022-04-02 10:35:02 +08:00

data-partition.md

[Feature] Add list partition support (#5529)

2021-04-24 17:42:27 +08:00

hit-the-rollup.md

[Doc]Update hit-the-rollup.md (#6430)

2021-08-25 22:35:05 +08:00