- [serathius] Streaming encoding github.com/kubernetes/kubernetes/issues/129304
PR in review github.com/kubernetes/kubernetes/pull/129334
For large resources and concurrent LIST reduces memory usage from 37GB back to 3.7GB github.com/kubernetes/kubernetes/issues/129304#issuecomment-2565219528
Need to develop dedicated scalability tests
AI: Talk to Go team
AI: Validate the v2 json in experimental, expectation: production read, but no api stability
GitHub - go-json-experiment/json: Experimental implementation of a proposed v2 encoding/json package
- [serathius] Watch Cache snapshotting. github.com/kubernetes/enhancements/pull/5017
Only 2% of memory overhead to serve all requests from cache
For large resources and concurrent LIST reduces memory usage from 60GB back to 36GB, and with encoding down to 3.7GB
[Dims] Review feature gates belonging to sig-apimachinery
gist.github.com/dims/a0ecf5de51235968e12b9d6b62ac3a83#file-features-md
- [mo] next steps for SVM, some links for discussion context
Why we can't have nice things: implementing transactions in Kubernetes
ResourceVersion Parsing Survey
We still have issues with controllers that need informer based lists that make assertions across more than one object
General agreement is that RV is either uint64 or uint128, and that it is okay to codify that along with the integer comparisons that you can perform on those
- [austin] Race condition when adding finalizers Race condition in API server that can lead to leaked resources · Issue #129584
[mo] github.com/kubernetes/kubernetes/pull/122646 is PR I was thinking of but I suspect that is not related
- [micahhausler] Context between Authorization and Admission
github.com/awslabs/cedar-access-control-for-k8s/blob/main/docs/Limitations.md#policy-store-updates-and-race-conditions
Next steps: probably bring this discussion to SIG Auth to align in a common direction and then bring it back here for Admission discussion.