Riza Suminto has posted comments on this change. ( http://gerrit.cloudera.org:8080/17295 )
Change subject: IMPALA-10650: Bailout min/max filters in hash join builder early ...................................................................... Patch Set 28: (3 comments) http://gerrit.cloudera.org:8080/#/c/17295/27/be/src/exec/partitioned-hash-join-builder.cc File be/src/exec/partitioned-hash-join-builder.cc: http://gerrit.cloudera.org:8080/#/c/17295/27/be/src/exec/partitioned-hash-join-builder.cc@337 PS27, Line 337: for (std::vector<FilterContext*>::const_iterator it = minmax_filter_ctxs_.begin(); > Sounds like a good idea. Looks good, thanks! http://gerrit.cloudera.org:8080/#/c/17295/27/be/src/exec/partitioned-hash-join-builder.cc@404 PS27, Line 404: } > Partial filter publishing with propagation to scan nodes may be a little bi Make sense. I suppose execution nodes consuming the minmax filters also still need to wait for the remaining filters to arrive before start reading. http://gerrit.cloudera.org:8080/#/c/17295/28/be/src/exec/partitioned-hash-join-builder.cc File be/src/exec/partitioned-hash-join-builder.cc: http://gerrit.cloudera.org:8080/#/c/17295/28/be/src/exec/partitioned-hash-join-builder.cc@335 PS28, Line 335: if (filter_ctxs_.size() == 0) return; Looks like we can remove this branch? In case minmax_filter_ctxs_ is empty, the loop below will stop immediately. -- To view, visit http://gerrit.cloudera.org:8080/17295 To unsubscribe, visit http://gerrit.cloudera.org:8080/settings Gerrit-Project: Impala-ASF Gerrit-Branch: master Gerrit-MessageType: comment Gerrit-Change-Id: I193646e7acfdd3023f7c947d8107da58a1f41183 Gerrit-Change-Number: 17295 Gerrit-PatchSet: 28 Gerrit-Owner: Qifan Chen <qc...@cloudera.com> Gerrit-Reviewer: Impala Public Jenkins <impala-public-jenk...@cloudera.com> Gerrit-Reviewer: Qifan Chen <qc...@cloudera.com> Gerrit-Reviewer: Quanlong Huang <huangquanl...@gmail.com> Gerrit-Reviewer: Riza Suminto <riza.sumi...@cloudera.com> Gerrit-Reviewer: Wenzhe Zhou <wz...@cloudera.com> Gerrit-Reviewer: Zoltan Borok-Nagy <borokna...@cloudera.com> Gerrit-Comment-Date: Tue, 18 May 2021 18:09:21 +0000 Gerrit-HasComments: Yes
