Marcel Kornacker has posted comments on this change. Change subject: IMPALA-2905: Handle coordinator fragment lifecycle like all others ......................................................................
Patch Set 6: (1 comment) http://gerrit.cloudera.org:8080/#/c/4402/6/be/src/exec/push-pull-sink.cc File be/src/exec/push-pull-sink.cc: Line 31: constexpr int32_t QUEUE_DEPTH = 16; > I think it's a good idea to look into moving the exprs into the sink (at th i think if you have the sink build a queue of QueryResultSet* (and change QueryExecState::FetchRows() to return a QueryResultSet* instead of populating one) there shouldn't be any performance impact (minus possible numa effects, but unclear to me to what extent we need to worry about those right now). -- To view, visit http://gerrit.cloudera.org:8080/4402 To unsubscribe, visit http://gerrit.cloudera.org:8080/settings Gerrit-MessageType: comment Gerrit-Change-Id: Ibb0064ec2f085fa3a5598ea80894fb489a01e4df Gerrit-PatchSet: 6 Gerrit-Project: Impala-ASF Gerrit-Branch: master Gerrit-Owner: Henry Robinson <he...@cloudera.com> Gerrit-Reviewer: Alex Behm <alex.b...@cloudera.com> Gerrit-Reviewer: Henry Robinson <he...@cloudera.com> Gerrit-Reviewer: Marcel Kornacker <mar...@cloudera.com> Gerrit-Reviewer: Tim Armstrong <tarmstr...@cloudera.com> Gerrit-HasComments: Yes
