Hello. I use prometheus + snmp_exporter to monitor network swithes(D-Link and Huawei) with snmp. I have an issue with huawei switches - some of them can't give ports utilization and i have to calculate it manualy. As i know prometheus can't setup per job data retention(Is it rigth?), and i decided to start another one prometheus server which will collect IfInOctets/IfOutOctets every 5 seconds, and calculate utilization, when first server will scrape second server. I dont need to keep IfInOctets/IfOutOctets too long,and i decided setup storage.tsdb.min-block-duration to 30 m and storage.tsdb.retention.time to 1d. So, the questions are: Is it right way? What difference between storage.tsdb.min-block-duration and storage.tsdb.max-block-duration? Will prometheus calculate utilization for metrics which still in memory?
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