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Hudson commented on HDFS-6930: ------------------------------ FAILURE: Integrated in Hadoop-Yarn-trunk #698 (See [https://builds.apache.org/job/Hadoop-Yarn-trunk/698/]) HDFS-6930. Improve replica eviction from RAM disk. (Arpit Agarwal) (arp: rev cb9b485075ce773f2d6189aa2f54bbc69aad4dab) * hadoop-hdfs-project/hadoop-hdfs/CHANGES-HDFS-6581.txt * hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/fsdataset/impl/FsDatasetImpl.java * hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/fsdataset/impl/LazyWriteReplicaTracker.java > Improve replica eviction from RAM disk > -------------------------------------- > > Key: HDFS-6930 > URL: https://issues.apache.org/jira/browse/HDFS-6930 > Project: Hadoop HDFS > Issue Type: Sub-task > Components: datanode > Affects Versions: HDFS-6581 > Reporter: Arpit Agarwal > Assignee: Arpit Agarwal > Fix For: 3.0.0 > > Attachments: HDFS-6930.01.patch, HDFS-6930.02.patch > > > The current replica eviction scheme is inefficient since it performs multiple > file operations in the context of block allocation. > A better implementation would be asynchronous eviction when free space on RAM > disk falls below a low watermark to make block allocation faster. -- This message was sent by Atlassian JIRA (v6.3.4#6332)