Amend HADOOP-8212 (Improve ActiveStandbyElector's behavior when session expires) Amendment patch incorporates following feedback from Bikas Saha: - adds a new functional test for session expiration while in the standby state - adds a safety check in the StatCallback for session expiration - improves some comments
hadoop/common/branches/HDFS-3042/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/ha/ActiveStandbyElector.java