Kibana connected to cluster cannot connnect to elasticsearch frequently.
I have run 4 kibana nodes with marvel plugin on every node. I wonder if it could be a problem?
Nothing interesting in logs, except this request: /_cat/pending_tasks
What are those entries?
/cat/pending_tasks
108043 1.8h HIGH _add_listener
108058 1.8h HIGH add_listener
108035 1.8h HIGH add_listener
108048 1.8h HIGH add_listener
108064 1.8h HIGH add_listener
108024 1.8h HIGH add_listener
108051 1.8h HIGH add_listener
108044 1.8h HIGH add_listener
108066 1.8h HIGH add_listener
108060 1.8h HIGH cluster_reroute(post_node_add)
108103 1.8h HIGH add_listener
108065 1.8h HIGH add_listener
108069 1.8h HIGH add_listener
108073 1.8h HIGH add_listener
108074 1.8h HIGH add_listener
108075 1.8h HIGH add_listener
108079 1.8h HIGH add_listener
108026 1.8h HIGH add_listener
108081 1.8h HIGH add_listener
108082 1.8h HIGH add_listener
108091 1.8h HIGH add_listener
108092 1.8h HIGH add_listener
108089 1.8h HIGH add_listener
108090 1.8h HIGH add_listener
108099 1.8h HIGH add_listener
108098 1.8h HIGH add_listener
108104 1.8h HIGH add_listener
108186 1.7h HIGH add_listener
108108 1.8h HIGH add_listener
108114 1.8h HIGH add_listener
108110 1.8h HIGH add_listener
108113 1.8h HIGH add_listener
108117 1.7h HIGH add_listener
108215 1.7h HIGH add_listener
108119 1.7h HIGH add_listener
....