Jing Zhao created HDFS-3805: ------------------------------- Summary: A small improvement of SerialNumberManager$SerialNumberMap.get Key: HDFS-3805 URL: https://issues.apache.org/jira/browse/HDFS-3805 Project: Hadoop HDFS Issue Type: Improvement Affects Versions: 3.0.0 Reporter: Jing Zhao Assignee: Jing Zhao Priority: Trivial Fix For: 3.0.0
Instead of use containsKey() + get() to get the value from the HashMap, we can do get() once and check if the result is null -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators: https://issues.apache.org/jira/secure/ContactAdministrators!default.jspa For more information on JIRA, see: http://www.atlassian.com/software/jira