cryptoe opened a new pull request, #19271:
URL: https://github.com/apache/druid/pull/19271
Add QoS filtering to the Coordinator to protect health check endpoints under
load
The Coordinator had no request throttling, meaning a burst of slow API
requests (segment load status, datasource queries, compaction configs, etc.)
could exhaust the Jetty thread pool and make /status/health and /status/ready
unresponsive. This is the same problem the Overlord solved in #18033 for its
action endpoints.
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