docs: Missing monitoring metric go_memstats_gc_cpu_fraction
#6783
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philipaconrad
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Jun 3, 2024
Fixes: open-policy-agent#6783 Signed-off-by: Philip Conrad <[email protected]>
philipaconrad
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Jun 4, 2024
…s_gc_cpu_fraction` Prometheus appears to have dropped the `go_memstats_gc_cpu_fraction` metric, since at least Go 1.18. This commit drops the missing metric from the table of expected metrics for OPA on the monitoring docs page. Reference: prometheus/client_golang#1500 Fixes: open-policy-agent#6783 Signed-off-by: Philip Conrad <[email protected]>
ledbutter
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Jun 10, 2024
…s_gc_cpu_fraction` Prometheus appears to have dropped the `go_memstats_gc_cpu_fraction` metric, since at least Go 1.18. This commit drops the missing metric from the table of expected metrics for OPA on the monitoring docs page. Reference: prometheus/client_golang#1500 Fixes: open-policy-agent#6783 Signed-off-by: Philip Conrad <[email protected]>
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Short description
Since Go 1.18, it seems that Prometheus has removed the
go_memstats_gc_cpu_fraction, which is reported on the Monitoring docs page as aSTABLEmetric.If someone goes looking for that metric in Prometheus / Grafana charts while setting up an OPA deployment, they definitely won't see it! 😅
Expected solution
The docs should reflect the removal of the metric, either with an explicit deprecation/removal note, or by just removing the table row for
go_memstats_gc_cpu_fraction.Additional context
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