Henry Robinson has posted comments on this change. Change subject: IMPALA-3077: Enable runtime filters when PHJ spills ......................................................................
Patch Set 6: (1 comment) http://gerrit.cloudera.org:8080/#/c/2783/6//COMMIT_MSG Commit Message: Line 63: Change +3% > If I understood correctly the query only has 1 probe row and many build ro Yeah - the scan does not wait for the filters to arrive, since I set the wait-time low (and the filter doesn't do anything when it does, and can only be applied to one row), so the query really does a pretty good job of isolating the cost of building the filter (since the other cost - transmission - is in parallel with the scan). We should also note that a query that has a per-node build size of 100M rows is pretty large. -- 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: 6 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
