I created a new release v0.10 based on 0.9.3 (cdh3u1-base), major changes include: 1) Masterless Ack, please check https://issues.apache.org/jira/browse/FLUME-640, which was supposed to be merged into 0.10 if Flume was not upgraded to NG; 2) Append to HDFS with new file rotation method.