[ https://issues.apache.org/jira/browse/HIVE-22760?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Slim Bouguerra updated HIVE-22760: ---------------------------------- Attachment: HIVE-22760.3.patch > Add Clock caching eviction based strategy > ----------------------------------------- > > Key: HIVE-22760 > URL: https://issues.apache.org/jira/browse/HIVE-22760 > Project: Hive > Issue Type: New Feature > Components: llap > Reporter: Slim Bouguerra > Assignee: Slim Bouguerra > Priority: Major > Attachments: HIVE-22760.2.patch, HIVE-22760.3.patch, > HIVE-22760.3.patch, HIVE-22760.patch, HIVE-22760.patch > > > LRFU is the current default right now. > The main issue with such Strategy is that it has a very high memory overhead, > in addition to that, most of the accounting has to happen under locks thus > can be source of contentions. > Add Simpler policy like clock, can help with both issues. -- This message was sent by Atlassian Jira (v8.3.4#803005)