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doris/fe
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
..

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# fe-common

This module is used to store some common classes of other modules.

# spark-dpp

This module is Spark DPP program, used for Spark Load function.
Depends: fe-common

# fe-core

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Depends: fe-common, spark-dpp