Henry Robinson has posted comments on this change. Change subject: IMPALA-3077: Enable runtime filters when PHJ spills ......................................................................
Patch Set 2: (2 comments) http://gerrit.cloudera.org:8080/#/c/2783/2/be/src/exec/partitioned-hash-join-node.cc File be/src/exec/partitioned-hash-join-node.cc: Line 1221: } > this code block no longer makes sense. also we loose this optimization so w Done. We can measure if there's any performance loss, but I'd expect it to be fairly small. IMPALA-3007 should make this case less frequent as well, which I'm also hoping to get into 2.6. Line 1620: // Never build filters after repartitioning > can you briefly explain the "why" as well (because we'll have already exami Done -- To view, visit http://gerrit.cloudera.org:8080/2783 To unsubscribe, visit http://gerrit.cloudera.org:8080/settings Gerrit-MessageType: comment Gerrit-Change-Id: I59a2d9ee03ccea6b674392584e4c7f272233571e Gerrit-PatchSet: 2 Gerrit-Project: Impala Gerrit-Branch: cdh5-trunk Gerrit-Owner: Henry Robinson <[email protected]> Gerrit-Reviewer: Dan Hecht <[email protected]> Gerrit-Reviewer: Henry Robinson <[email protected]> Gerrit-Reviewer: Tim Armstrong <[email protected]> Gerrit-HasComments: Yes
