MAPREDUCE-5420 | Major | Remove from mapred-default.xml.HADOOP-10530 | Blocker | Make hadoop trunk build on Java7+ only.HDFS-7210 | Major | Avoid two separate RPC’s namenode.append() and namenode.getFileInfo() for an append call from DFSClient.Keys with uppercase names can no longer be created when using the JavaKeyStoreProvider to resolve ambiguity about case-sensitivity in the KeyStore spec. HADOOP-11311 | Major | Restrict uppercase key names from being created with JCEKS.HADOOP-8989 | Major | hadoop fs -find feature.HDFS-1362 | Major | Provide volume management functionality for DataNodeīased on the reconfiguration framework provided by HADOOP-7001, enable reconfigure the and add new volumes into service.WARNING: No release note provided for this change. HDFS-6252 | Minor | Phase out the old web UI in HDFS.These release notes cover new developer and user-facing incompatibilities, important issues, features, and major improvements. Running Applications in runC Containers.Running Applications in Docker Containers.
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