test: stress test client shutdown in the proxy client cache #6855
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NyaliaLui
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NyaliaLui
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BenPope
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dotnwat
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The kafka client stop() method is called whenever a client is evicted from the LRU cache. This commit adds a ducktape test that configures the cache to a max size of 1. The test stresses client stop() by issuing many rest requests with two unique users within a 30s loop. The idea is tigger eviction, and consequently client stop(), many times. Closes redpanda-data#6595 This commit also adds options to the RedpandaService for the client cache keep alive and client cache max size configs.
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Cover letter
Recent changes to the Pandaproxy involved creating a kafka client cache to support multiple authenticated connections. The client connection is closed when a client is evicted from the cache. Therefore, this PR adds a concurrency test that issues many requests to the proxy such that a client connection should be closed while other requests are still running.
Closes #6595
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4067481:Backport Required
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