chore(controller)!: tune grpc handling time histogram buckets #14130
Conversation
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
The default histogram buckets for gRPC handling time are tuned for short-lived requests. Our controllers tend to serve long-lived response streams, which are counted at the maximum bucket. This change adjusts the histogram buckets to better reflect the characteristics of our response streams, which have a default 5m idle timeout and 1h max lifetime.
adleong
approved these changes
Jun 14, 2025
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
Add this suggestion to a batch that can be applied as a single commit.
This suggestion is invalid because no changes were made to the code.
Suggestions cannot be applied while the pull request is closed.
Suggestions cannot be applied while viewing a subset of changes.
Only one suggestion per line can be applied in a batch.
Add this suggestion to a batch that can be applied as a single commit.
Applying suggestions on deleted lines is not supported.
You must change the existing code in this line in order to create a valid suggestion.
Outdated suggestions cannot be applied.
This suggestion has been applied or marked resolved.
Suggestions cannot be applied from pending reviews.
Suggestions cannot be applied on multi-line comments.
Suggestions cannot be applied while the pull request is queued to merge.
Suggestion cannot be applied right now. Please check back later.
The default histogram buckets for gRPC handling time are tuned for short-lived requests. Our controllers tend to serve long-lived response streams, which are counted at the maximum bucket.
This change adjusts the histogram buckets to better reflect the characteristics of our response streams, which have a default 5m idle timeout and 1h max lifetime.