DOC-15338: Remove metrics from Essential Metrics Advanced page

[florence-crl]

Fixes DOC-15338

In essential-metrics.md, added check for advanced_excluded_metrics.

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• Essential Metrics for CockroachDB Advanced Deployments

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Files changed:

• src/current/_includes/v25.4/essential-metrics.md:
• src/current/v25.4/essential-metrics-self-hosted.md
• src/current/v25.4/essential-metrics-advanced.md

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[kevin-v-ngo]

Hi Florence, what should I be reviewing here?

I still see several "NOT AVAILABLE" metrics that should be removed from the docs. Is this automatically synced and will be removed at some point?

[florence-crl]

@kevin-v-ngo

Hi Florence, what should I be reviewing here?

Rows for 4 metrics are no longer included for Advanced
sys.cpu.host.combined.percent-normalized
sys.host.disk.iopsinprogress
sql.mem.root.current
storage.write-stalls

For example, with this PR, a row for sys.host.disk.iopsinprogress will no longer appear: https://www.cockroachlabs.com/docs/v25.4/essential-metrics-advanced#sys-host-disk-iopsinprogress.

However, a row for sys.host.disk.read.bytes will still appear with "NOT AVAILABLE" in the second column: https://www.cockroachlabs.com/docs/v25.4/essential-metrics-advanced#sys-host-disk-read-bytes

I still see several "NOT AVAILABLE" metrics that should be removed from the docs. Is this automatically synced and will be removed at some point?

On this page (https://www.cockroachlabs.com/docs/v25.4/essential-metrics-advanced), there are 56 metrics with "NOT AVAILABLE" in the second column because these metrics do not have a match on the Datadog site (https://docs.datadoghq.com/integrations/cockroach-cloud/#metrics). Please clarify whether these 56 rows should be displayed.
Thanks!

[florence-crl]

discussed with @kevin-v-ngo , I will filter Essential Metrics for Advanced once #21152 is merged.