代码拉取完成,页面将自动刷新
1763
Replace BigLongArray with long[] and Change temporary data storage in MultiChannelGroupByHash
开启的
What type of PR is this?
/kind task
What does this PR do / why do we need it:
Improves performance for Aggregation queries
Which issue(s) this PR fixes:
Fixes
#I6OURQ:Performance Analysis for TPCDS queries
#I6RY8H:Memory usage improvement for Aggregations
Special notes for your reviewers:
1T Time(Sec) | vs 1.9.0 Base | |
---|---|---|
1.9.0 Base | 1061.9 | 0.00% |
PR 1760+1761+1763 | 909.43 | 16.77% |