Reliable Insights

A blog on monitoring, scale and operational Sanity

November 23, 2020

OpenMetrics is released

Coming soon to a standards body near you.

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November 16, 2020

ARP cache metrics from the node exporter

The node exporter has metrics about the ARP table.

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November 9, 2020

Why is my SNMP string showing as hexadecimal?

Why is my name showing as 0x6d79206e616d65?

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November 2, 2020

Checking for specific HTTP status codes with the blackbox exporter

How would you check that a HTTP endpoint is returning a 204?

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October 26, 2020

Show multiple expressions for an instance in a Grafana table

Have you ever wanted to have a table showing multiple metrics across all of your instances?

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October 19, 2020

New Features in Prometheus 2.22.0

Prometheus 2.22.0 is now out, following on from 2.21.0 with many fixes and improvements.

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October 12, 2020

Negative lookahead assertions in PromQL selectors

RE2 doesn't support lookahead, but that doesn't mean you can't do it in another way.

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October 5, 2020

How long can Prometheus retention be?

Data is smaller and disks are bigger than you'd think.

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September 28, 2020

Pre-populated silence URLs

You don't have to fill in all the silence details yourself.

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September 21, 2020

Don’t Try to Swim Upstream

Have you ever felt that a piece of software just isn't doing what you need?

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