Benoy Antony created HADOOP-10594: ------------------------------------- Summary: Improve Concurrency in Groups Key: HADOOP-10594 URL: https://issues.apache.org/jira/browse/HADOOP-10594 Project: Hadoop Common Issue Type: Sub-task Reporter: Benoy Antony Assignee: Benoy Antony Attachments: HADOOP-10594.patch
The static field GROUPS in Groups can be accessed by holding a lock only. This object is effectively immutable after construction and hence can safely published using a volatile field. This enables threads to access this GROUPS object without holding lock -- This message was sent by Atlassian JIRA (v6.2#6252)