Michael Ho has posted comments on this change. Change subject: IMPALA-4397,IMPALA-3259: reduce codegen time and memory ......................................................................
Patch Set 4: (1 comment) http://gerrit.cloudera.org:8080/#/c/4956/4/fe/src/main/java/org/apache/impala/planner/DistributedPlanner.java File fe/src/main/java/org/apache/impala/planner/DistributedPlanner.java: PS4, Line 823: if (!hasGrouping) mergeAggNode.setDisableCodegen(true); > We could probably do it in the backend but the planner seemed like the appr Sure. This seems to set things up so the planner can selectively disable codegen in exec node the future. While you are at it, would you mind using the same infrastructure to disable codegen for non-merging exchange ? -- To view, visit http://gerrit.cloudera.org:8080/4956 To unsubscribe, visit http://gerrit.cloudera.org:8080/settings Gerrit-MessageType: comment Gerrit-Change-Id: Id10015b49da182cb181a653ac8464b4a18b71091 Gerrit-PatchSet: 4 Gerrit-Project: Impala-ASF Gerrit-Branch: master Gerrit-Owner: Tim Armstrong <tarmstr...@cloudera.com> Gerrit-Reviewer: Marcel Kornacker <mar...@cloudera.com> Gerrit-Reviewer: Michael Ho <k...@cloudera.com> Gerrit-Reviewer: Tim Armstrong <tarmstr...@cloudera.com> Gerrit-HasComments: Yes
