maven
gaojun
Merge remote-tracking branch 'origin/origin' into origin
getInstance
test
gaojun
Merge branch 'origin' of github.com:cloud2010/pdb-hadoop into origin

Conflicts:
	src/main/java/org/shmtu/cie/AtomCount.java
log4j
Merge branch 'origin' of github.com:cloud2010/pdb-hadoop into origin

Conflicts:
	src/main/java/org/shmtu/cie/AtomCount.java
log4j
log4j
hdfs sample
YARN Submit comment
log4j modify
log4j modify