[jira] [Commented] (IMPALA-2682) Address exchange operator CPU bottlenecks in Thrift

2018-06-11 Thread Jim Apple (JIRA)
[ https://issues.apache.org/jira/browse/IMPALA-2682?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16508772#comment-16508772 ] Jim Apple commented on IMPALA-2682: --- [~mmokhtar] {noformat} unsigned FakeMod(unsigned x, unsigned n)

[jira] [Commented] (IMPALA-2682) Address exchange operator CPU bottlenecks in Thrift

2018-06-11 Thread Tim Armstrong (JIRA)
[ https://issues.apache.org/jira/browse/IMPALA-2682?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16508715#comment-16508715 ] Tim Armstrong commented on IMPALA-2682: --- Michael's codegen patch hardcodes the number of receiver

[jira] [Commented] (IMPALA-2682) Address exchange operator CPU bottlenecks in Thrift

2018-06-11 Thread Mostafa Mokhtar (JIRA)
[ https://issues.apache.org/jira/browse/IMPALA-2682?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16508701#comment-16508701 ] Mostafa Mokhtar commented on IMPALA-2682: - To get more speedup in exchange we should focus on: *

[jira] [Commented] (IMPALA-2682) Address exchange operator CPU bottlenecks in Thrift

2018-06-11 Thread Tim Armstrong (JIRA)
[ https://issues.apache.org/jira/browse/IMPALA-2682?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16508633#comment-16508633 ] Tim Armstrong commented on IMPALA-2682: --- [~kwho] does IMPALA-5168 solve this? > Address exchange