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Hudson commented on HDFS-7694: ------------------------------ SUCCESS: Integrated in Hadoop-Hdfs-trunk-Java8 #97 (See [https://builds.apache.org/job/Hadoop-Hdfs-trunk-Java8/97/]) HDFS-7694. FSDataInputStream should support "unbuffer" (cmccabe) (cmccabe: rev 6b39ad0865cb2a7960dd59d68178f0bf28865ce2) * hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/fs/CanUnbuffer.java * hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/PeerCache.java * hadoop-hdfs-project/hadoop-hdfs/src/main/native/libhdfs/hdfs.c * hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/fs/TestUnbuffer.java * hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/DFSInputStream.java * hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt * hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/fs/FSDataInputStream.java * hadoop-hdfs-project/hadoop-hdfs/src/main/native/libhdfs/hdfs.h > FSDataInputStream should support "unbuffer" > ------------------------------------------- > > Key: HDFS-7694 > URL: https://issues.apache.org/jira/browse/HDFS-7694 > Project: Hadoop HDFS > Issue Type: Improvement > Affects Versions: 2.7.0 > Reporter: Colin Patrick McCabe > Assignee: Colin Patrick McCabe > Fix For: 2.7.0 > > Attachments: HDFS-7694.001.patch, HDFS-7694.002.patch, > HDFS-7694.003.patch, HDFS-7694.004.patch, HDFS-7694.005.patch > > > For applications that have many open HDFS (or other Hadoop filesystem) files, > it would be useful to have an API to clear readahead buffers and sockets. > This could be added to the existing APIs as an optional interface, in much > the same way as we added setReadahead / setDropBehind / etc. -- This message was sent by Atlassian JIRA (v6.3.4#6332)