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Haohui Mai updated HDFS-5548: ----------------------------- Attachment: HDFS-5548.002.patch > Use ConcurrentHashMap in portmap > -------------------------------- > > Key: HDFS-5548 > URL: https://issues.apache.org/jira/browse/HDFS-5548 > Project: Hadoop HDFS > Issue Type: Bug > Reporter: Haohui Mai > Assignee: Haohui Mai > Attachments: HDFS-5548.000.patch, HDFS-5548.001.patch, > HDFS-5548.002.patch > > > Portmap uses a HashMap to store the port mapping. It synchronizes the access > of the hash map by locking itself. It can be simplified by using a > ConcurrentHashMap. -- This message was sent by Atlassian JIRA (v6.1#6144)