add network stats

[rgarcia]

link

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TL;DR

Enhanced uk-check-stats.sh to display new network-related instance metrics.

Why we made these changes

To provide more comprehensive insights into instance performance, specifically network connection and request statistics, which are crucial for monitoring and debugging.

What changed?

• shared/uk-check-stats.sh: Updated to collect and display instance_nconns, instance_nreqs, instance_nqueued, and instance_ntotal metrics. The script's output header and data display were adjusted to incorporate these new columns.

Validation

• Verified script output includes the new network statistics as shown in the PR body image.
  

[mesa-dot-dev]

What Changed

This PR enhances the uk-check-stats.sh script to include additional network-related metrics. The script's output now includes 'NConns', 'NReqs', 'NQueued', and 'NTotal', providing a more comprehensive view of instance performance alongside the existing CPU and memory stats.

Risks / Concerns

The changes are straightforward and well-contained within the script. The implementation looks solid. Great work on enhancing the observability of our instances!

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