May 2019
Intermediate to advanced
442 pages
11h 36m
English
Content preview from Hands-On Infrastructure Monitoring with Prometheus
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Chapter 13, Scaling and Federating Prometheus
- You should consider sharding when you're sure a single instance isn't enough to handle the load, and you can't run it with more resources.
- Vertical sharding is used to split scrape workload according to responsibility (for example, by function or team), where each Prometheus shard scrapes different jobs. Horizontal sharding splits loads from a single scrape job into multiple Prometheus instances.
- To reduce the ingestion load on a Prometheus instance, you should consider dropping unnecessary metrics through the use of metric_relabel_configs rules, or by increasing the scrape interval so that fewer samples are ingested in total.
- Instance-level Prometheus servers should federate job-level aggregate ...
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