May 2019
Intermediate to advanced
442 pages
11h 36m
English
Content preview from Hands-On Infrastructure Monitoring with Prometheus
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The single job scale problem
We went through a couple of strategies for vertically sharding Prometheus, but there's a problem we still haven't addressed: scaling requirements tied to a single job. Imagine that you have a job with tens of thousands of scrape targets inside one datacenter, and there isn't a logical way to split it any further. In this type of scenario, your best bet is to shard horizontally, spreading the same job across multiple Prometheus servers. The following diagram provides an example of this type of sharding:
Figure 13.3: Diagram illustrating horizontal sharding
To accomplish this, we must rely on the hashmod relabeling ...
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.