39M ambari-server-1.6.1-98.noarch.rpm
96M ambari-server-1.7.0-169.noarch.rpm
82M ambari-server-2.0.0-151.noarch.rpm
86M ambari-server-2.0.1-45.noarch.rpm
59M ambari-server-2.0.2-25.noarch.rpm
326M ambari-server-2.1.0-1470.x86_64.rpm
326M ambari-server-2.1.1-236.x86_64.rpm
376M ambari-server-2.1.2-377.x86_64.rpm
385M ambari-server-2.1.2.1-418.x86_64.rpm
406M ambari-server-2.2.0.0-1310.x86_64.rpm
409M ambari-server-2.2.1.0-161.x86_64.rpm
409M ambari-server-2.2.1.1-70.x86_64.rpm
409M ambari-server-2.2.2.0-460.x86_64.rpm
646M ambari-server-2.4.0.0-1226.x86_64.rpm
646M ambari-server-2.4.0.1-1.x86_64.rpm
646M ambari-server-2.4.1.0-22.x86_64.rpm
645M ambari-server-2.4.2.0-136.x86_64.rpm
645M ambari-server-2.4.3.0-30.x86_64.rpm
663M ambari-server-2.5.0.3-7.x86_64.rpm
664M ambari-server-2.5.1.0-159.x86_64.rpm
716M ambari-server-2.5.2.0-298.x86_64.rpm
713M ambari-server-2.5.2.5-4.x86_64.rpm
712M ambari-server-2.6.0.0-267.x86_64.rpm
From what you can see there are some significant jumps from 1.6.1 to 1.7.0 and 2.0.1 to 2.1.0. I dug a little further and found what was causing the significant change.
I ran the following command on each RPM:
rpm -qp --queryformat '[%{FILESIZES} %{FILENAMES}\n]' ambari-server-${VERSION}*.rpm | sort -n -r | head -n 5
Outlined below are the top 5 files from each RPM based on size in bytes (largest to smallest):
8352140 /usr/lib/ambari-server/eclipselink-2.4.0.jar
5921635 /usr/lib/ambari-server/web/javascripts/app.js.map
4705860 /usr/lib/ambari-server/ambari-server-1.6.1.98.jar
2703892 /usr/lib/ambari-server/derby-10.9.1.0.jar
2334911 /usr/lib/ambari-server/web/javascripts/vendor.js.map
56684640 /var/lib/ambari-server/resources/views/slider-0.0.1-SNAPSHOT.jar
8352140 /usr/lib/ambari-server/eclipselink-2.4.0.jar
6511968 /usr/lib/ambari-server/web/javascripts/app.js.map
5571293 /usr/lib/ambari-server/ambari-server-1.7.0.169.jar
2703892 /usr/lib/ambari-server/derby-10.9.1.0.jar
40828524 /var/lib/ambari-server/resources/views/slider-0.0.1-SNAPSHOT.jar
8632395 /usr/lib/ambari-server/eclipselink-2.5.2.jar
7176626 /usr/lib/ambari-server/ambari-server-2.0.0.151.jar
2703892 /usr/lib/ambari-server/derby-10.9.1.0.jar
2189117 /usr/lib/ambari-server/guava-14.0.1.jar
40828522 /var/lib/ambari-server/resources/views/slider-0.0.1-SNAPSHOT.jar
8632395 /usr/lib/ambari-server/eclipselink-2.5.2.jar
7213760 /usr/lib/ambari-server/ambari-server-2.0.1.45.jar
2703892 /usr/lib/ambari-server/derby-10.9.1.0.jar
2189117 /usr/lib/ambari-server/guava-14.0.1.jar
40828525 /var/lib/ambari-server/resources/views/slider-0.0.1-SNAPSHOT.jar
8632395 /usr/lib/ambari-server/eclipselink-2.5.2.jar
7215180 /usr/lib/ambari-server/ambari-server-2.0.2.25.jar
2703892 /usr/lib/ambari-server/derby-10.9.1.0.jar
2189117 /usr/lib/ambari-server/guava-14.0.1.jar
93233165 /var/lib/ambari-server/resources/views/hive-2.1.0.1470.jar
49823169 /var/lib/ambari-server/resources/views/slider-2.1.0.1470.jar
43147094 /var/lib/ambari-server/resources/views/capacity-scheduler-2.1.0.1470.jar
35982268 /var/lib/ambari-server/resources/views/files-2.1.0.1470.jar
34319034 /var/lib/ambari-server/resources/views/pig-2.1.0.1470.jar
93233842 /var/lib/ambari-server/resources/views/hive-2.1.1.236.jar
49809926 /var/lib/ambari-server/resources/views/slider-2.1.1.236.jar
43147127 /var/lib/ambari-server/resources/views/capacity-scheduler-2.1.1.236.jar
35982300 /var/lib/ambari-server/resources/views/files-2.1.1.236.jar
34321074 /var/lib/ambari-server/resources/views/pig-2.1.1.236.jar
95389542 /var/lib/ambari-server/resources/views/hive-2.1.2.377.jar
49772165 /var/lib/ambari-server/resources/views/slider-2.1.2.377.jar
45174986 /var/lib/ambari-server/resources/views/tez-view-2.1.2.377.jar
43151182 /var/lib/ambari-server/resources/views/capacity-scheduler-2.1.2.377.jar
35985903 /var/lib/ambari-server/resources/views/files-2.1.2.377.jar
97186807 /var/lib/ambari-server/resources/views/hive-2.1.2.1.418.jar
50893103 /var/lib/ambari-server/resources/views/slider-2.1.2.1.418.jar
46548951 /var/lib/ambari-server/resources/views/tez-view-2.1.2.1.418.jar
44451068 /var/lib/ambari-server/resources/views/capacity-scheduler-2.1.2.1.418.jar
37285681 /var/lib/ambari-server/resources/views/files-2.1.2.1.418.jar
98653006 /var/lib/ambari-server/resources/views/hive-2.2.0.0.1310.jar
52077785 /var/lib/ambari-server/resources/views/slider-2.2.0.0.1310.jar
47823825 /var/lib/ambari-server/resources/views/tez-view-2.2.0.0.1310.jar
46909320 /var/lib/ambari-server/resources/views/pig-2.2.0.0.1310.jar
45378262 /var/lib/ambari-server/resources/views/capacity-scheduler-2.2.0.0.1310.jar
98657707 /var/lib/ambari-server/resources/views/hive-2.2.1.0.161.jar
52239902 /var/lib/ambari-server/resources/views/slider-2.2.1.0.161.jar
48025481 /var/lib/ambari-server/resources/views/tez-view-2.2.1.0.161.jar
46910268 /var/lib/ambari-server/resources/views/pig-2.2.1.0.161.jar
45378971 /var/lib/ambari-server/resources/views/capacity-scheduler-2.2.1.0.161.jar
98657758 /var/lib/ambari-server/resources/views/hive-2.2.1.1.70.jar
52239943 /var/lib/ambari-server/resources/views/slider-2.2.1.1.70.jar
48025881 /var/lib/ambari-server/resources/views/tez-view-2.2.1.1.70.jar
46910317 /var/lib/ambari-server/resources/views/pig-2.2.1.1.70.jar
45379017 /var/lib/ambari-server/resources/views/capacity-scheduler-2.2.1.1.70.jar
98730855 /var/lib/ambari-server/resources/views/hive-2.2.2.0.460.jar
52277589 /var/lib/ambari-server/resources/views/slider-2.2.2.0.460.jar
48060014 /var/lib/ambari-server/resources/views/tez-view-2.2.2.0.460.jar
46944872 /var/lib/ambari-server/resources/views/pig-2.2.2.0.460.jar
45414020 /var/lib/ambari-server/resources/views/capacity-scheduler-2.2.2.0.460.jar
126641271 /var/lib/ambari-server/resources/views/hive-jdbc-2.4.0.0.1226.jar
99518844 /var/lib/ambari-server/resources/views/hive-2.4.0.0.1226.jar
53071006 /var/lib/ambari-server/resources/views/slider-2.4.0.0.1226.jar
49835833 /var/lib/ambari-server/resources/views/tez-view-2.4.0.0.1226.jar
49250950 /var/lib/ambari-server/resources/views/wfmanager-2.4.0.0.1226.jar
126641271 /var/lib/ambari-server/resources/views/hive-jdbc-2.4.0.1.1.jar
99518847 /var/lib/ambari-server/resources/views/hive-2.4.0.1.1.jar
53071022 /var/lib/ambari-server/resources/views/slider-2.4.0.1.1.jar
49835854 /var/lib/ambari-server/resources/views/tez-view-2.4.0.1.1.jar
49250942 /var/lib/ambari-server/resources/views/wfmanager-2.4.0.1.1.jar
126641534 /var/lib/ambari-server/resources/views/hive-jdbc-2.4.1.0.22.jar
99518850 /var/lib/ambari-server/resources/views/hive-2.4.1.0.22.jar
53072937 /var/lib/ambari-server/resources/views/slider-2.4.1.0.22.jar
49835858 /var/lib/ambari-server/resources/views/tez-view-2.4.1.0.22.jar
49260569 /var/lib/ambari-server/resources/views/wfmanager-2.4.1.0.22.jar
126263402 /var/lib/ambari-server/resources/views/hive-jdbc-2.4.2.0.136.jar
99130091 /var/lib/ambari-server/resources/views/hive-2.4.2.0.136.jar
52636981 /var/lib/ambari-server/resources/views/slider-2.4.2.0.136.jar
49399762 /var/lib/ambari-server/resources/views/tez-view-2.4.2.0.136.jar
48888595 /var/lib/ambari-server/resources/views/wfmanager-2.4.2.0.136.jar
126592312 /var/lib/ambari-server/resources/views/hive-jdbc-2.4.3.0.30.jar
99459014 /var/lib/ambari-server/resources/views/hive-2.4.3.0.30.jar
52637995 /var/lib/ambari-server/resources/views/slider-2.4.3.0.30.jar
49401333 /var/lib/ambari-server/resources/views/tez-view-2.4.3.0.30.jar
48894994 /var/lib/ambari-server/resources/views/wfmanager-2.4.3.0.30.jar
128278993 /var/lib/ambari-server/resources/views/hive-jdbc-2.5.0.3.7.jar
123981459 /var/lib/ambari-server/resources/views/hive20-2.5.0.3.7.jar
55193044 /var/lib/ambari-server/resources/views/slider-2.5.0.3.7.jar
52511054 /var/lib/ambari-server/resources/views/tez-view-2.5.0.3.7.jar
50430748 /var/lib/ambari-server/resources/views/pig-2.5.0.3.7.jar
128641703 /var/lib/ambari-server/resources/views/hive-jdbc-2.5.1.0.159.jar
124026658 /var/lib/ambari-server/resources/views/hive20-2.5.1.0.159.jar
55220096 /var/lib/ambari-server/resources/views/slider-2.5.1.0.159.jar
52552069 /var/lib/ambari-server/resources/views/tez-view-2.5.1.0.159.jar
50461785 /var/lib/ambari-server/resources/views/pig-2.5.1.0.159.jar
128673433 /var/lib/ambari-server/resources/views/hive-jdbc-2.5.2.0.298.jar
124054799 /var/lib/ambari-server/resources/views/hive20-2.5.2.0.298.jar
55229681 /var/lib/ambari-server/resources/views/slider-2.5.2.0.298.jar
52585922 /var/lib/ambari-server/resources/views/tez-view-2.5.2.0.298.jar
50495831 /var/lib/ambari-server/resources/views/pig-2.5.2.0.298.jar
128678165 /var/lib/ambari-server/resources/views/hive-jdbc-2.5.2.5.4.jar
124059530 /var/lib/ambari-server/resources/views/hive20-2.5.2.5.4.jar
55234504 /var/lib/ambari-server/resources/views/slider-2.5.2.5.4.jar
52593771 /var/lib/ambari-server/resources/views/tez-view-2.5.2.5.4.jar
50500726 /var/lib/ambari-server/resources/views/pig-2.5.2.5.4.jar
128678653 /var/lib/ambari-server/resources/views/hive-jdbc-2.6.0.0.267.jar
124062528 /var/lib/ambari-server/resources/views/hive20-2.6.0.0.267.jar
55233426 /var/lib/ambari-server/resources/views/slider-2.6.0.0.267.jar
52589923 /var/lib/ambari-server/resources/views/tez-view-2.6.0.0.267.jar
50500812 /var/lib/ambari-server/resources/views/pig-2.6.0.0.267.jar
As you can see, the change from 1.6.1 to 1.7.0 was because of the addition of views and the Slider view jar at around 57 mb. This accounts for the change completely. From 1.7.0 to 2.0.0 there is a decrease also full accounted for by the decrease the the Slider view jar. The biggest increase is from 2.0.1 to 2.1.0 where the top 5 files are all views for Ambari and it accounts for a change of about 244 mb. As more views get added to Ambari, this could be a big change.