xds: add config for random_subsetting LB policy extension #41758
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
|
Hi @Zgoda91, welcome and thank you for your contribution. We will try to review your Pull Request as quickly as possible. In the meantime, please take a look at the contribution guidelines if you have not done so already. |
|
CC @envoyproxy/api-shepherds: Your approval is needed for changes made to |
markdroth
reviewed
Oct 29, 2025
Contributor
markdroth
left a comment
markdroth
left a comment
There was a problem hiding this comment.
Thanks for doing this!
api/envoy/extensions/load_balancing_policies/random_subsetting/v3/random_subsetting.proto
Show resolved
Hide resolved
ejona86
pushed a commit
to grpc/grpc-java
that referenced
this pull request
Nov 5, 2025
implementing [gRFC A68](https://github.com/grpc/proposal/blob/master/A68-random-subsetting.md) This change contains: 1. Usage of `murmur3_128` hashing algorithm from Guava library. 2. Implementation of `RandomSubsettingLoadBalancer` and `RandomSubsettingLoadBalancerProvider` classes and integration into the `util` project. Since envoy extensions does not support `random_subsetting` LB policy yet, xDS related changes will be introduced later. Envoy PR [here](envoyproxy/envoy#41758).
Contributor
|
@wbpcode PTAL |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
4 participants
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Outdated suggestions cannot be applied.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.
Commit Message: xds: add config for random_subsetting LB policy extension
Additional Description: This PR adds new LB policy extension configuration, to be used in gRPC via the new load_balancing_policy field:
random_subsetting: This policy selects a subset of endpoints and passes them to the child LB policy.Risk Level: Low
Testing: N/A
Docs Changes: Included in PR
Release Notes: N/A
Platform Specific Features: N/A