Prometheus
Prometheus Type of logs Transaction logs Request logs Application logs Debug logs Using Expression browser Metrics: up Gauges: process_resident_memory - metric type gauges . For a gauge, its current absolute value is important from a monitoring point of view Counters: prometheus_tsdb_head_samples_appended_total metric type - counter. Number of samples prometheus has ingested Rate: rate(prometheus_tsdb_head_samples_appended_total[1m]) to compute rate per minute. The rate function automatically handles counters resetting due to processes restarting and samples not being exactly aligned....