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complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-14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 lists different versions of the \u003ccode\u003eGrpcCompletionQueueOption\u003c/code\u003e, ranging from version 2.10.1 to the latest release candidate 2.37.0-rc.\u003c/p\u003e\n"],["\u003cp\u003eThe \u003ccode\u003eGrpcCompletionQueueOption\u003c/code\u003e allows users to specify a \u003ccode\u003eCompletionQueue\u003c/code\u003e for background gRPC operations, instead of the library creating one.\u003c/p\u003e\n"],["\u003cp\u003eWhen using this option, it is up to the caller to ensure there are threads actively servicing the designated \u003ccode\u003eCompletionQueue\u003c/code\u003e.\u003c/p\u003e\n"],["\u003cp\u003eUsing \u003ccode\u003eGrpcCompletionQueueOption\u003c/code\u003e is mutually exclusive with \u003ccode\u003eGrpcBackgroundThreadPoolSizeOption\u003c/code\u003e and \u003ccode\u003eGrpcBackgroundThreadsFactoryOption\u003c/code\u003e.\u003c/p\u003e\n"],["\u003cp\u003eThe page also outlines that the \u003ccode\u003eCompletionQueue\u003c/code\u003e type is an alias of the \u003ccode\u003eCompletionQueue\u003c/code\u003e.\u003c/p\u003e\n"]]],[],null,[]]
