If this option is set, the library will use the supplied CompletionQueue instead of its own. The caller is responsible for making sure there are thread(s) servicing this CompletionQueue. The client library will not create any background threads or attempt to call CompletionQueue::Run().
[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Missing the information I need","missingTheInformationINeed","thumb-down"],["Too complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-14 UTC."],[[["\u003cp\u003eThis page provides documentation for the \u003ccode\u003eGrpcCompletionQueueOption\u003c/code\u003e across multiple versions, ranging from 2.10.1 to the latest release candidate 2.37.0-rc.\u003c/p\u003e\n"],["\u003cp\u003e\u003ccode\u003eGrpcCompletionQueueOption\u003c/code\u003e allows users to specify a custom \u003ccode\u003eCompletionQueue\u003c/code\u003e for gRPC background tasks, giving control over the execution environment.\u003c/p\u003e\n"],["\u003cp\u003eWhen a custom \u003ccode\u003eCompletionQueue\u003c/code\u003e is provided, the library will not create its own background threads, and it is the user's responsibility to ensure the queue is serviced by running threads.\u003c/p\u003e\n"],["\u003cp\u003e\u003ccode\u003eGrpcBackgroundThreadPoolSizeOption\u003c/code\u003e, \u003ccode\u003eGrpcCompletionQueueOption\u003c/code\u003e, and \u003ccode\u003eGrpcBackgroundThreadsFactoryOption\u003c/code\u003e are mutually exclusive configuration options.\u003c/p\u003e\n"],["\u003cp\u003eA type alias for \u003ccode\u003eCompletionQueue\u003c/code\u003e is also provided and documented.\u003c/p\u003e\n"]]],[],null,[]]
