mirror of https://github.com/k3s-io/k3s
6b52d8f138
Automatic merge from submit-queue (batch tested with PRs 47669, 40284, 47356, 47458, 47701) Serialized protobuf should have stable map order Leverage `stable_marshaller_all` tag in gogo-protobuf to ensure all of our maps have stable ordering when serialized to protobuf. This preserves the behavior from JSON that we rely on to avoid writing to etcd except when the content has changed. Will slightly increase allocations (1 slice per non-empty map in an object) during Encode, which has a minor impact on CPU. However, avoiding writes when a client issues a blind put results in significantly less CPU across the whole cluster (avoiding a new etcd version for an Endpoints object might save ~1 core/sec on large clusters). Fixes #47678 ```release-note The protobuf serialization of API objects has been updated to store maps in a predictable order to ensure that the representation of that object does not change when saved into etcd. This prevents the same object from being seen as being modified, even when no values have changed. ``` |
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