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complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-14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 webpage 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\u003eSetting the \u003ccode\u003eGrpcCompletionQueueOption\u003c/code\u003e allows users to specify a custom \u003ccode\u003eCompletionQueue\u003c/code\u003e for gRPC operations, overriding the library's default behavior.\u003c/p\u003e\n"],["\u003cp\u003eWhen a custom \u003ccode\u003eCompletionQueue\u003c/code\u003e is provided, the user must manage the threads servicing this queue as the library will not create or run any background threads.\u003c/p\u003e\n"],["\u003cp\u003eThe \u003ccode\u003eGrpcCompletionQueueOption\u003c/code\u003e is mutually exclusive with \u003ccode\u003eGrpcBackgroundThreadPoolSizeOption\u003c/code\u003e and \u003ccode\u003eGrpcBackgroundThreadsFactoryOption\u003c/code\u003e, meaning only one of these can be set.\u003c/p\u003e\n"]]],[],null,[]]