connection_pool: Add additional health check for pool instances - #348
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Allow `ConnectionPool` to exclude instances until an application running on top of Tarantool has completed its post-startup initialization. The built-in health check only confirms that Tarantool is reachable and `box.info.status == "running"`. The application may still be initializing its own components after Tarantool starts, so an additional health check prevents requests from being routed to the instance until the application reports that it is ready.
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Allow
ConnectionPoolto exclude instances until an application running on top of Tarantool has completed its post-startup initialization. The built-in health check only confirms that Tarantool is reachable andbox.info.status == "running". The application may still be initializing its own components after Tarantool starts, so an additional health check prevents requests from being routed to the instance until the application reports that it is ready.