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complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-14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 \u003ccode\u003eGrpcCompletionQueueOption\u003c/code\u003e is utilized, the user is responsible for running the \u003ccode\u003eCompletionQueue\u003c/code\u003e as the library will not create threads or call \u003ccode\u003eCompletionQueue::Run()\u003c/code\u003e.\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\u003eThe current page version focuses on \u003ccode\u003estruct google::cloud::GrpcCompletionQueueOption\u003c/code\u003e as of version 2.27.0, and it also includes documentation for it's \u003ccode\u003eCompletionQueue\u003c/code\u003e type alias.\u003c/p\u003e\n"]]],[],null,[]]
