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Colin Patrick McCabe updated HDFS-5644: --------------------------------------- Description: libhdfs has a hash table which contains class references. This hash table is shared between threads and currently uses a single global lock. The scope of this issue is to improve performance of libhdfs by removing this single global lock. (was: libhdfs uses locking internally for coordinating access to shared hash tables and the JNI environment. The scope of this issue is to improve performance of libhdfs by reducing lock contention.) > Reduce lock contention in libhdfs. > ---------------------------------- > > Key: HDFS-5644 > URL: https://issues.apache.org/jira/browse/HDFS-5644 > Project: Hadoop HDFS > Issue Type: Improvement > Components: libhdfs > Affects Versions: 3.0.0, 2.2.0 > Reporter: Chris Nauroth > > libhdfs has a hash table which contains class references. This hash table is > shared between threads and currently uses a single global lock. The scope of > this issue is to improve performance of libhdfs by removing this single > global lock. -- This message was sent by Atlassian JIRA (v6.1.4#6159)