doris

Files

minghong bf197ee8d2 [opt](nereids) adjust cost model for BroadCastJoin and PartitionJoin (#20713 )

we add penalty for broadcast join (bc for brief in the following).
the intuition of penalty is as follow:
1. if the build side is very small (< 1M), we prefer bc, and set `penalty=1`, which means no penalty
2. if build side is more than 1M, we consider the ratio of the probe row count to the build row count. the less the ratio is, the higher penalty is.

this pr has positive impact on tpch queries. Only q3 is changed. in out test (tpch 1T, 3BE) q3 improved from 5.1sec to 2.5 sec.
this pr has positive impact on tpcds queries. test on tpcds sf100 (3BE), cold run improve from 163 sec to 156 sec, hot run improves from 155 sec to 149 sec

2023-06-16 22:49:04 +08:00

be-java-extensions

[improvement](jdbc) support support get mysql information_schema's table and clickhouse system's table (#20768 )

2023-06-15 14:53:51 +08:00

check/checkstyle

[fix](catalog) fix create catalog with resource replay issue and kerberos auth issue (#20137 )

2023-05-30 16:57:39 +08:00

fe-common

[fix](match) fix regression case test_index_match_select and test_index_match_phrase (#20860 )

2023-06-16 20:18:29 +08:00

fe-core

[opt](nereids) adjust cost model for BroadCastJoin and PartitionJoin (#20713 )

2023-06-16 22:49:04 +08:00

hive-udf

[Improve](fe)Upgrade dependencies and optimize jar package management (#18882 )

2023-05-04 10:07:37 +08:00

spark-dpp

[Fix](multi-catalog) Fix some hive partition issues. (#19513 )

2023-05-11 07:49:46 +08:00

pom.xml

[enhancement](log4j) support high performance mode for log4j to escape potential bottleneck for doris read and write (#20759 )

2023-06-14 15:16:04 +08:00

README

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README

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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