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Adds metric around forward rate-limiting #6172

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davidporter-id-au
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@davidporter-id-au davidporter-id-au commented Jul 17, 2024

What changed?

This adds a metric around tasklist forwarding being rate-limited by the quite-low forwarder rate-limit. this presents a risk for throughput and to latency for tasklists which are overpartitioned

Why?

At present, while we have reasonable ability to observe the overall latency in async dispatch, it's quite hard to determine where it's coming from. This provides a layer of visibility here.

How did you test it?

Unt tests, should be a fairly safe change

Potential risks

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Documentation Changes

@davidporter-id-au davidporter-id-au enabled auto-merge (squash) July 17, 2024 05:17
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codecov bot commented Jul 17, 2024

Codecov Report

Attention: Patch coverage is 88.88889% with 2 lines in your changes missing coverage. Please review.

Project coverage is 72.67%. Comparing base (8664922) to head (f502110).

Additional details and impacted files
Files Coverage Δ
service/matching/tasklist/matcher.go 82.37% <100.00%> (+0.31%) ⬆️
service/matching/tasklist/forwarder.go 95.30% <80.00%> (ø)

... and 3 files with indirect coverage changes


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@davidporter-id-au davidporter-id-au merged commit 8df9759 into uber:master Jul 17, 2024
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2 participants