[ https://issues.apache.org/jira/browse/IMPALA-9274?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Work on IMPALA-9274 started by Tim Armstrong. --------------------------------------------- > Implement phased barrier synchronisation construct > -------------------------------------------------- > > Key: IMPALA-9274 > URL: https://issues.apache.org/jira/browse/IMPALA-9274 > Project: IMPALA > Issue Type: Sub-task > Reporter: Tim Armstrong > Assignee: Tim Armstrong > Priority: Major > > We need a synchronisation primitive that allows n threads to synchronise by > joining on a barrier, then having the last arriving thread execute some code > and then wake up all of the other threads. > This is required for implementing phases of the hash join algorithm. -- This message was sent by Atlassian Jira (v8.3.4#803005) --------------------------------------------------------------------- To unsubscribe, e-mail: issues-all-unsubscr...@impala.apache.org For additional commands, e-mail: issues-all-h...@impala.apache.org