BIGTOP-579 - hadoop-yarn creates log files with inconsistent ownershi…

…p on Debian/Ubuntu

git-svn-id: https://svn.apache.org/repos/asf/incubator/bigtop/trunk@1336890 13f79535-47bb-0310-9956-ffa450edef68

bigtop-packages/src/deb/hadoop/hadoop-yarn.postinst

@@ -24,7 +24,7 @@ case "$1" in
 	chown root:yarn /usr/lib/hadoop-yarn/bin/container-executor
 	chmod 6050 /usr/lib/hadoop-yarn/bin/container-executor
 	mkdir -p /var/log/hadoop-yarn /var/run/hadoop-yarn /var/lib/hadoop-yarn/cache || :
-	chgrp -R hadoop /var/log/hadoop-yarn /var/run/hadoop-yarn
+	chown yarn:hadoop /var/log/hadoop-yarn /var/run/hadoop-yarn
 	chmod g+w /var/log/hadoop-yarn /var/run/hadoop-yarn
 	chown yarn:hadoop /var/lib/hadoop-yarn/ /var/lib/hadoop-yarn/cache
 	chmod 1777 /var/lib/hadoop-yarn/cache