What does it actually means?
2019-03-08T14:50:07.716+0530 INFO [monitoring] log/log.go:144 Non-zero metrics in the last 30s {"monitoring": {"metrics": {"beat":{"cpu":{"system":{"ticks":70,"time":{"ms":74}},"total":{"ticks":160,"time":{"ms":168},"value":160},"user":{"ticks":90,"time":{"ms":94}}},"handles":{"limit":{"hard":4096,"soft":1024},"open":5},"info":{"ephemeral_id":"075047fc-e9b1-47ef-aa5c-01e4b50cd8ca","uptime":{"ms":31501}},"memstats":{"gc_next":4892448,"memory_alloc":2462280,"memory_total":7867336,"rss":16408576}},"filebeat":{"events":{"added":1,"done":1},"harvester":{"open_files":0,"running":0}},"libbeat":{"config":{"module":{"running":0},"reloads":1},"output":{"type":"logstash"},"pipeline":{"clients":5,"events":{"active":0,"filtered":1,"total":1}}},"registrar":{"states":{"current":737,"update":1},"writes":{"success":1,"total":1}},"system":{"cpu":{"cores":12},"load":{"1":0.56,"15":1.8,"5":0.95,"norm":{"1":0.0467,"15":0.15,"5":0.0792}}}}}}
2019-03-08T14:50:37.714+0530 INFO [monitoring] log/log.go:144 Non-zero metrics in the last 30s {"monitoring": {"metrics": {"beat":{"cpu":{"system":{"ticks":70,"time":{"ms":6}},"total":{"ticks":170,"time":{"ms":12},"value":170},"user":{"ticks":100,"time":{"ms":6}}},"handles":{"limit":{"hard":4096,"soft":1024},"open":5},"info":{"ephemeral_id":"075047fc-e9b1-47ef-aa5c-01e4b50cd8ca","uptime":{"ms":61501}},"memstats":{"gc_next":4892448,"memory_alloc":2782768,"memory_total":8187824}},"filebeat":{"harvester":{"open_files":0,"running":0}},"libbeat":{"config":{"module":{"running":0}},"pipeline":{"clients":5,"events":{"active":0}}},"registrar":{"states":{"current":737}},"system":{"load":{"1":0.34,"15":1.75,"5":0.85,"norm":{"1":0.0283,"15":0.1458,"5":0.0708}}}}}}