feat: add optional prometheus metrics endpoint with saturation metrics#42
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bougyman merged 1 commit intorubyists:mainfrom Apr 16, 2026
Merged
feat: add optional prometheus metrics endpoint with saturation metrics#42bougyman merged 1 commit intorubyists:mainfrom
bougyman merged 1 commit intorubyists:mainfrom
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bougyman
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Apr 15, 2026
pmcclory-pp
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for each subject (unique endpoint) expose: * busy instances - the number of instances that are either actively processing a request or have been enqueued for processing in the nats-pure worker thread pool * the total number of instances for a subject (this is equal to the number of leopard instances) * pending requests - the number of requests that have been read from NATS but are waiting to be processed note that this currently accesses the private `handler` attribute of `NATS::Service::Endpoint` which is not part of the public API. a follow-up PR to nats-pure.rb will add `attr_reader :handler` to make this public. Co-authored-by: bougyman <bougyman@users.noreply.github.com>
bougyman
approved these changes
Apr 16, 2026
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for each subject (unique endpoint) expose:
note that this currently accesses the private
handlerattribute ofNATS::Service::Endpointwhich is not part of the public API. a follow-up PR to nats-pure.rb will addattr_reader :handlerto make this public.