[jira] [Work started] (HIVE-14002) Extend limit propagation to subsequent RS operators
[ https://issues.apache.org/jira/browse/HIVE-14002?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Work on HIVE-14002 started by Jesus Camacho Rodriguez. -- > Extend limit propagation to subsequent RS operators > --- > > Key: HIVE-14002 > URL: https://issues.apache.org/jira/browse/HIVE-14002 > Project: Hive > Issue Type: Improvement > Components: Physical Optimizer >Affects Versions: 2.2.0 >Reporter: Nita Dembla >Assignee: Jesus Camacho Rodriguez > Attachments: HIVE-14002.patch > > > In some occasions, for instance when RS dedup does not kick in, it is useful > to propagate the limit to subsequent RS operators, as this will reduce > intermediary results and impact performance. This issue covers that extension. -- This message was sent by Atlassian JIRA (v6.3.4#6332)
[jira] [Work started] (HIVE-14002) Extend limit propagation to subsequent RS operators
[ https://issues.apache.org/jira/browse/HIVE-14002?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Work on HIVE-14002 started by Jesus Camacho Rodriguez. -- > Extend limit propagation to subsequent RS operators > --- > > Key: HIVE-14002 > URL: https://issues.apache.org/jira/browse/HIVE-14002 > Project: Hive > Issue Type: Improvement > Components: Physical Optimizer >Affects Versions: 2.2.0 >Reporter: Nita Dembla >Assignee: Jesus Camacho Rodriguez > > In some occasions, for instance when RS dedup does not kick in, it is useful > to propagate the limit to subsequent RS operators, as this will reduce > intermediary results and impact performance. This issue covers that extension. -- This message was sent by Atlassian JIRA (v6.3.4#6332)
