[ https://issues.apache.org/jira/browse/HIVE-23293?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Denys Kuzmenko updated HIVE-23293: ---------------------------------- Attachment: HIVE-23293.2.patch > Locks: Implement zero-wait readers > ----------------------------------- > > Key: HIVE-23293 > URL: https://issues.apache.org/jira/browse/HIVE-23293 > Project: Hive > Issue Type: Sub-task > Reporter: Denys Kuzmenko > Assignee: Denys Kuzmenko > Priority: Major > Attachments: HIVE-23293.1.patch, HIVE-23293.2.patch > > > With a new lock type (EXCL_WRITE) for INSERT_OVERWRITE, SHARED_READ does not > have to wait for any lock - it can fails fast for a pending EXCLUSIVE, > because even if there is an EXCL_WRITE or SHARED_WRITE pending, there's no > semantic reason to wait for them. -- This message was sent by Atlassian Jira (v8.3.4#803005)