[ https://issues.apache.org/jira/browse/IMPALA-5384?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Dan Hecht resolved IMPALA-5384. ------------------------------- Resolution: Fixed > Simplify coordinator locking protocol > ------------------------------------- > > Key: IMPALA-5384 > URL: https://issues.apache.org/jira/browse/IMPALA-5384 > Project: IMPALA > Issue Type: Improvement > Affects Versions: Impala 2.9.0 > Reporter: Marcel Kornacker > Assignee: Dan Hecht > Priority: Major > Fix For: Impala 2.13.0, Impala 3.1.0 > > > The coordinator has a central lock (lock_) which is used very liberally to > synchronize state changes that don't need to be synchronized, creating a > concurrency bottleneck. > Also, the coordinator contains a number of data structures related to INSERT > finalization that don't need to be part of and synchronized with the rest of > the coordinator state. -- This message was sent by Atlassian JIRA (v7.6.3#76005)