Mostafa Mokhtar has posted comments on this change. Change subject: IMPALA-3902: Scheduler improvements for running multiple fragment instances on a single backend ......................................................................
Patch Set 3: (3 comments) http://gerrit.cloudera.org:8080/#/c/4054/3/be/src/runtime/coordinator.cc File be/src/runtime/coordinator.cc: Line 377: bool is_mt_exec = request.query_ctx.request.query_options.mt_dop != 1; Possibly make is_mt_exec a member of Coordinator as query_options.mt_dop is checked 5 times. http://gerrit.cloudera.org:8080/#/c/4054/3/be/src/runtime/coordinator.h File be/src/runtime/coordinator.h: PS3, Line 467: Mt Is the expectation to remove the "Mt" prefix once all operators support multi threading? http://gerrit.cloudera.org:8080/#/c/4054/6/fe/src/main/java/com/cloudera/impala/planner/Planner.java File fe/src/main/java/com/cloudera/impala/planner/Planner.java: Line 218: "statistics. Drop and re-compute statistics to resolve this problem.\n" + I believe this is printing too much information by default. -- To view, visit http://gerrit.cloudera.org:8080/4054 To unsubscribe, visit http://gerrit.cloudera.org:8080/settings Gerrit-MessageType: comment Gerrit-Change-Id: I240445199e22f009f4e72fdb8754eb8d77e3d680 Gerrit-PatchSet: 3 Gerrit-Project: Impala-ASF Gerrit-Branch: master Gerrit-Owner: Marcel Kornacker <mar...@cloudera.com> Gerrit-Reviewer: Alex Behm <alex.b...@cloudera.com> Gerrit-Reviewer: Dan Hecht <dhe...@cloudera.com> Gerrit-Reviewer: Henry Robinson <he...@cloudera.com> Gerrit-Reviewer: Lars Volker <l...@cloudera.com> Gerrit-Reviewer: Marcel Kornacker <mar...@cloudera.com> Gerrit-Reviewer: Matthew Jacobs <m...@cloudera.com> Gerrit-Reviewer: Mostafa Mokhtar <mmokh...@cloudera.com> Gerrit-HasComments: Yes