Michael Ho has posted comments on this change. Change subject: IMPALA-4026: Implement double-buffering for BlockingQueue ......................................................................
Patch Set 3: (1 comment) http://gerrit.cloudera.org:8080/#/c/4350/3/be/src/util/blocking-queue.h File be/src/util/blocking-queue.h: Line 99: bool BlockingPut(const T& val) { > We discussed this a little offline and I feel like I understand why option The new patch reverted to using option(1). This doesn't provide as much performance in the non-selective scan but this may avoid some pathological case in thread scheduling. -- To view, visit http://gerrit.cloudera.org:8080/4350 To unsubscribe, visit http://gerrit.cloudera.org:8080/settings Gerrit-MessageType: comment Gerrit-Change-Id: Ib9f4cf351455efefb0f3bb791cf9bc82d1421d54 Gerrit-PatchSet: 3 Gerrit-Project: Impala-ASF Gerrit-Branch: master Gerrit-Owner: Michael Ho <[email protected]> Gerrit-Reviewer: Alex Behm <[email protected]> Gerrit-Reviewer: Chen Huang <[email protected]> Gerrit-Reviewer: Dan Hecht <[email protected]> Gerrit-Reviewer: Michael Ho <[email protected]> Gerrit-Reviewer: Mostafa Mokhtar <[email protected]> Gerrit-Reviewer: Tim Armstrong <[email protected]> Gerrit-HasComments: Yes
