使用Grafana+ Prometheus+EMQX 5.4 搭建可视化监控,发现其中有几项数据是缺失的
-
Mnesia (built-in database) Memory Usage
“expr”: “sum(erlang_mnesia_memory_usage_bytes{instance=~".*",job="emqx"})”, -
Erlang VM Process
“expr”: “sum(erlang_vm_statistics_run_queues_length_total{instance=~".*",job="emqx"})”, -
Erlang VM Threads
“expr”: “sum(erlang_vm_thread_pool_size{instance=~".*",job="emqx"})”,
在/api/v5/prometheus/stats中没有这几个命名的属性,导致面板内这几个都是 no data