Bump. Any help? Thanks On Wednesday, 13 August 2014 12:10:14 UTC+1, Alex wrote: > > Hello I would like some clarification about node types and their usage. > > We will have 3 client nodes and 6 data nodes. The 6 1TB data nodes can > also be masters (discovery.zen.minimum_master_nodes set to 4). We will > use Logstash and Kibana. Kibana will be used 24/7 by between a couple and > handfuls of people. > > Some questions: > > 1. Should incoming Logstash write requests be sent to the cluster in > general (using the *cluster* setting in the *elasticsearch* output) or > specifically to the client nodes or to the data nodes (via load balancer)? > I am unsure what kind of node is best for handling writes. > > 2. If client nodes exist in the cluster are Kibana requests > automatically routed to them? Do I need to somehow specify to Kibana which > nodes to contact? > > 3. I have heard different information about master nodes and the > minimum_master_node setting. I've heard that you should have a odd number > of master nodes but I fail to see why the parity of the number of masters > matters as long as minimum_master_node is set to at least N/2 + 1. Does it > really need to be odd? > > 4. I have been advised that the client nodes will use huge amount of > memory (which makes sense due to the nature of the Kibana facet queries). > 64GB per client node was recommended but I have no idea if that sounds > right or not. I don't have the ability to actually test it right now so > any > more guidance on that would be helpful. > > I'd be so grateful to hear from you even if you only know something about > one of my queries. > > Thank you for your time, > Alex >
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