Steps to reproduce:

1. Setup big Elasticsearch cluster with 28 nodes 
2. Assign template "Template App Elasticsearch Cluster by HTTP"

Result:
Item "ES: Get nodes stats" not supported cause json is 1.5M lines

Expected:
Item "ES: Get nodes stats" supported

Solution:

Use filter_path API parameter that can be used to reduce the response returned by Elasticsearch. Json shrink to 13K lines.

/_nodes/stats?filter_path=nodes.*.name,nodes.*.jvm,nodes.*.indices,nodes.*.thread_pool,nodes.*.fs,nodes.*.http.current_open,nodes.*.http.total_opened