Apache Hadoop 0.19.2 Release Notes

These release notes cover new developer and user-facing incompatibilities, important issues, features, and major improvements.

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• HADOOP-5332 | Blocker | Make support for file append API configurable

Appending to HDFS files is supported only if dfs.support.append is set to true.

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• HADOOP-4780 | Major | Task Tracker burns a lot of cpu in calling getLocalCache

make DistributedCache remember the size of each cache directory