List of clusters/nodes that need to be upgraded (if possible):

• AQS - aqs100[4-9] - T196138

• Archiva - meitnerium - T192639

• conf100[123] - T182924 - moved zookeeper to conf100[4-6]

• conf200[123] - to be discussed with the SRE team if possible/feasible/worth

• Druid Analytics - druid100[1-3] - T192636

• Druid Public - druid100[4-6] - T192636

• Hadoop worker nodes - analytics10[28-68] - T192557

• Hadoop coordinator - analytics1003 - OOW, might be better to install stretch on the replacement

• Hadoop Master nodes - analytics100[1,2] - OOW, might be better to install stretch on the replacements - T203635

• Kafka Analytics - kafka1012->23 - OOW, going to be decommed as soon as the last producer (MW Monolog Avro) is moved to Modern Event Platform (Should happen in Q3)

• Piwik - bohrium - T202962

• Statistics cruncher - stat1004 - T192640

• Analytics Webserver - thorium - T192641