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doris/fe
Qi Chen 383850ef12 [Opt](multi-catalog) Opt split assignment to resolve uneven distribution. (#30390)
[Opt] (multi-catalog) Opt split assignment to resolve uneven distribution. Currently only for `FileQueryScanNode`.

Referring to the implementation of Trino, 
- Local node soft affinity optimization. Prefer local replication node.
- Remote split will use the consistent hash algorithm is used when the file cache is turned on, and because of the possible unevenness of the consistent hash, the split is re-adjusted so that the maximum and minimum split numbers of hosts differ by at most `max_split_num_variance` split.
- Remote split will use the round-robin algorithm is used when the file cache is turned off.
2024-02-04 14:28:38 +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

This module is the main process module of FE.
Depends: fe-common, spark-dpp