Hi there !
I got a 3 node Prod ES cluster for log analytics . All the 3 nodes ( 3 x 1TB ) are configured as both Master & Data . Min Master node is set to 2 .
Now to increase data retention and search performance , we are planning to add 2 more 1 TB nodes to the cluster. Cluster is running on m4 Large ( 16Gig / 4 Core ) in AWS
Got the below questions and i have been reading through materials for answers . Can someone suggest the best
Can we configure the 2 new nodes to be data nodes alone and set the min master node setting to 3 ? Will this setting still ensure availability as Min master node satisfies N/2+1
My current shard setting is 3 . Should I change it to 5 ? or can it be 3 ? Whats the best advisable setting
Is there any sequence of steps to be followed before adding the two nodes . Just want this to be a rolling upgrade and dont want any downtime to users