Baike Xia has posted comments on this change. ( http://gerrit.cloudera.org:8080/19430 )
Change subject: IMPALA-3120: Support Bucket Shuffle Join for bucketed table ...................................................................... Patch Set 13: (1 comment) > Patch Set 13: > > (1 comment) http://gerrit.cloudera.org:8080/#/c/19430/9//COMMIT_MSG Commit Message: http://gerrit.cloudera.org:8080/#/c/19430/9//COMMIT_MSG@13 PS9, Line 13: > I think my concern is similar to Aman's. Yes, you are right to be concerned. As you said, the remote read cost caused by bucket shuffle join is higher than the cost of shuffle. I think this is an optimization, a CBO rule. The current version does not allow for similar optimizations and degradations, which I think will happen in the future. -- To view, visit http://gerrit.cloudera.org:8080/19430 To unsubscribe, visit http://gerrit.cloudera.org:8080/settings Gerrit-Project: Impala-ASF Gerrit-Branch: master Gerrit-MessageType: comment Gerrit-Change-Id: If321e7987bc88374d79500cffb77ea25b2ed0316 Gerrit-Change-Number: 19430 Gerrit-PatchSet: 13 Gerrit-Owner: Baike Xia <[email protected]> Gerrit-Reviewer: Aman Sinha <[email protected]> Gerrit-Reviewer: Baike Xia <[email protected]> Gerrit-Reviewer: Csaba Ringhofer <[email protected]> Gerrit-Reviewer: Impala Public Jenkins <[email protected]> Gerrit-Reviewer: Quanlong Huang <[email protected]> Gerrit-Comment-Date: Wed, 22 Feb 2023 03:51:37 +0000 Gerrit-HasComments: Yes
