Under ambari-metrics-collector we have many files as ollector-gc.log how to limit the number of this files to 5 max ? as I know we can set the follwing syntax in ambari configuration ( I guess ams-env ) -XX:+UseGCLogFileRotation -XX:NumberOfGCLogFiles=5 -XX:GCLogFileSize=4K but I am not sure on which variable in ams-env we can set it ? /var/log/ambari-metrics-collector 4.0K collector-gc.log-201804251456 4.0K collector-gc.log-201804251517 4.0K collector-gc.log-201805011453 4.0K collector-gc.log-201805031000 4.0K collector-gc.log-201805061332 4.0K collector-gc.log-201805071101 4.0K collector-gc.log-201805211039 4.0K collector-gc.log-201806031253 4.0K collector-gc.log-201806041646 4.0K collector-gc.log-201806131159 4.0K collector-gc.log-201806131204 4.0K collector-gc.log-201806131219 4.0K collector-gc.log-201806240625 4.0K collector-gc.log-201806241235 4.0K collector-gc.log-201806241409 4.0K collector-gc.log-201806280803 4.0K collector-gc.log-201807160859 4.0K collector-gc.log-201807160908 4.0K collector-gc.log-201807160913 4.0K collector-gc.log-201807160930 4.0K collector-gc.log-201807160934 4.0K collector-gc.log-201807160937 4.0K collector-gc.log-201807161112 4.0K collector-gc.log-201807161114 4.0K collector-gc.log-201807161118 4.0K collector-gc.log-201807161130 4.0K collector-gc.log-201807161132 4.0K collector-gc.log-201807161137 4.0K collector-gc.log-201807161147 4.0K collector-gc.log-201807161152 4.0K collector-gc.log-201807161201 ... View more

hi all, we developed recently couple of shell scripts for cluster maintenance ( as clean logs , collect info , API script etc ) and script must be located in every Linux machine as ( worker machine , data node machine , name node machine ) my question is - were to locate these scripts on each machine? , so it will be safe in case of HDP upgrade or to avoid conflict for example , we check and we found that each machine have the following empty folder /var/lib/ambari-agent/lib/ and we are thinking to put all our scripts under /var/lib/ambari-agent/lib what hortonworks opinion about this , or where is the best location for our scripts that should be located ? ... View more

we want to know if we can to upgrade to HDP 3.0 from HDP 2.6.4 ( regarding the disks aspect ) and we want to know if current disks configuration enable this upgrade we have the following RAID configuration 1) Worker-> (OS) Raid1 + ( data disks ) Raid 5 2) Master -> (OS) Raid1 + ( data disks ) Raid10 3) Kafka-> (OS) Raid1 + ( data disk ) Raid10 about the kafka - each kafka has one data disk about the workers ( data-node ) - each worker has 10 data disks based on that configuration , can we upgrade to HDP 3.0 version ? ... View more