The returned connection object should not be used directly; instead it should be passed as an argument to the constructor of CloudMemcacheClient.
The optional options argument may be used to configure aspects of the returned CloudMemcacheConnection. Expected options are any of the types in the following option lists:
[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Hard to understand","hardToUnderstand","thumb-down"],["Incorrect information or sample code","incorrectInformationOrSampleCode","thumb-down"],["Missing the information/samples I need","missingTheInformationSamplesINeed","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-09-04 UTC."],[[["\u003cp\u003eThis document provides reference materials for different versions of the Google Cloud Memcache C++ library, ranging from version 2.11.0 to the latest release candidate 2.37.0-rc.\u003c/p\u003e\n"],["\u003cp\u003eThe library includes classes like \u003ccode\u003eCloudMemcacheClient\u003c/code\u003e and \u003ccode\u003eCloudMemcacheConnection\u003c/code\u003e for managing and interacting with Cloud Memorystore for Memcached instances.\u003c/p\u003e\n"],["\u003cp\u003eSeveral classes such as \u003ccode\u003eCloudMemcacheLimitedErrorCountRetryPolicy\u003c/code\u003e, \u003ccode\u003eCloudMemcacheLimitedTimeRetryPolicy\u003c/code\u003e, and \u003ccode\u003eCloudMemcacheRetryPolicy\u003c/code\u003e are provided to configure different retry mechanisms.\u003c/p\u003e\n"],["\u003cp\u003eThe document outlines options and functions like \u003ccode\u003eMakeCloudMemcacheConnection\u003c/code\u003e for configuring and creating connections, and \u003ccode\u003eMakeDefaultCloudMemcacheConnectionIdempotencyPolicy\u003c/code\u003e for setting default idempotency policies.\u003c/p\u003e\n"]]],[],null,["# Namespace google::cloud::memcache_v1 (2.30.0)\n\nVersion 2.30.0keyboard_arrow_down\n\n- [2.42.0-rc (latest)](/cpp/docs/reference/memcache/latest/namespacegoogle_1_1cloud_1_1memcache__v1)\n- [2.41.0](/cpp/docs/reference/memcache/2.41.0/namespacegoogle_1_1cloud_1_1memcache__v1)\n- [2.40.0](/cpp/docs/reference/memcache/2.40.0/namespacegoogle_1_1cloud_1_1memcache__v1)\n- [2.39.0](/cpp/docs/reference/memcache/2.39.0/namespacegoogle_1_1cloud_1_1memcache__v1)\n- [2.38.0](/cpp/docs/reference/memcache/2.38.0/namespacegoogle_1_1cloud_1_1memcache__v1)\n- [2.37.0](/cpp/docs/reference/memcache/2.37.0/namespacegoogle_1_1cloud_1_1memcache__v1)\n- [2.36.0](/cpp/docs/reference/memcache/2.36.0/namespacegoogle_1_1cloud_1_1memcache__v1)\n- [2.35.0](/cpp/docs/reference/memcache/2.35.0/namespacegoogle_1_1cloud_1_1memcache__v1)\n- [2.34.0](/cpp/docs/reference/memcache/2.34.0/namespacegoogle_1_1cloud_1_1memcache__v1)\n- [2.33.0](/cpp/docs/reference/memcache/2.33.0/namespacegoogle_1_1cloud_1_1memcache__v1)\n- [2.32.0](/cpp/docs/reference/memcache/2.32.0/namespacegoogle_1_1cloud_1_1memcache__v1)\n- [2.31.0](/cpp/docs/reference/memcache/2.31.0/namespacegoogle_1_1cloud_1_1memcache__v1)\n- [2.30.0](/cpp/docs/reference/memcache/2.30.0/namespacegoogle_1_1cloud_1_1memcache__v1)\n- [2.29.0](/cpp/docs/reference/memcache/2.29.0/namespacegoogle_1_1cloud_1_1memcache__v1)\n- [2.28.0](/cpp/docs/reference/memcache/2.28.0/namespacegoogle_1_1cloud_1_1memcache__v1)\n- [2.27.0](/cpp/docs/reference/memcache/2.27.0/namespacegoogle_1_1cloud_1_1memcache__v1)\n- [2.26.0](/cpp/docs/reference/memcache/2.26.0/namespacegoogle_1_1cloud_1_1memcache__v1)\n- [2.25.1](/cpp/docs/reference/memcache/2.25.1/namespacegoogle_1_1cloud_1_1memcache__v1)\n- [2.24.0](/cpp/docs/reference/memcache/2.24.0/namespacegoogle_1_1cloud_1_1memcache__v1)\n- [2.23.0](/cpp/docs/reference/memcache/2.23.0/namespacegoogle_1_1cloud_1_1memcache__v1)\n- [2.22.1](/cpp/docs/reference/memcache/2.22.1/namespacegoogle_1_1cloud_1_1memcache__v1)\n- [2.21.0](/cpp/docs/reference/memcache/2.21.0/namespacegoogle_1_1cloud_1_1memcache__v1)\n- [2.20.0](/cpp/docs/reference/memcache/2.20.0/namespacegoogle_1_1cloud_1_1memcache__v1)\n- [2.19.0](/cpp/docs/reference/memcache/2.19.0/namespacegoogle_1_1cloud_1_1memcache__v1)\n- [2.18.0](/cpp/docs/reference/memcache/2.18.0/namespacegoogle_1_1cloud_1_1memcache__v1)\n- [2.17.0](/cpp/docs/reference/memcache/2.17.0/namespacegoogle_1_1cloud_1_1memcache__v1)\n- [2.16.0](/cpp/docs/reference/memcache/2.16.0/namespacegoogle_1_1cloud_1_1memcache__v1)\n- [2.15.1](/cpp/docs/reference/memcache/2.15.1/namespacegoogle_1_1cloud_1_1memcache__v1)\n- [2.14.0](/cpp/docs/reference/memcache/2.14.0/namespacegoogle_1_1cloud_1_1memcache__v1)\n- [2.13.0](/cpp/docs/reference/memcache/2.13.0/namespacegoogle_1_1cloud_1_1memcache__v1)\n- [2.12.0](/cpp/docs/reference/memcache/2.12.0/namespacegoogle_1_1cloud_1_1memcache__v1)\n- [2.11.0](/cpp/docs/reference/memcache/2.11.0/namespacegoogle_1_1cloud_1_1memcache__v1) \n\nClasses\n-------\n\n### [CloudMemcacheClient](/cpp/docs/reference/memcache/2.30.0/classgoogle_1_1cloud_1_1memcache__v1_1_1CloudMemcacheClient)\n\nConfigures and manages Cloud Memorystore for Memcached instances.\n\n### [CloudMemcacheConnection](/cpp/docs/reference/memcache/2.30.0/classgoogle_1_1cloud_1_1memcache__v1_1_1CloudMemcacheConnection)\n\nThe [`CloudMemcacheConnection`](/cpp/docs/reference/memcache/2.30.0/classgoogle_1_1cloud_1_1memcache__v1_1_1CloudMemcacheConnection) object for [`CloudMemcacheClient`](/cpp/docs/reference/memcache/2.30.0/classgoogle_1_1cloud_1_1memcache__v1_1_1CloudMemcacheClient).\n\n### [CloudMemcacheConnectionIdempotencyPolicy](/cpp/docs/reference/memcache/2.30.0/classgoogle_1_1cloud_1_1memcache__v1_1_1CloudMemcacheConnectionIdempotencyPolicy)\n\n### [CloudMemcacheLimitedErrorCountRetryPolicy](/cpp/docs/reference/memcache/2.30.0/classgoogle_1_1cloud_1_1memcache__v1_1_1CloudMemcacheLimitedErrorCountRetryPolicy)\n\nA retry policy for [`CloudMemcacheConnection`](/cpp/docs/reference/memcache/2.30.0/classgoogle_1_1cloud_1_1memcache__v1_1_1CloudMemcacheConnection) based on counting errors.\n\n### [CloudMemcacheLimitedTimeRetryPolicy](/cpp/docs/reference/memcache/2.30.0/classgoogle_1_1cloud_1_1memcache__v1_1_1CloudMemcacheLimitedTimeRetryPolicy)\n\nA retry policy for [`CloudMemcacheConnection`](/cpp/docs/reference/memcache/2.30.0/classgoogle_1_1cloud_1_1memcache__v1_1_1CloudMemcacheConnection) based on elapsed time.\n\n### [CloudMemcacheRetryPolicy](/cpp/docs/reference/memcache/2.30.0/classgoogle_1_1cloud_1_1memcache__v1_1_1CloudMemcacheRetryPolicy)\n\nThe retry policy for [`CloudMemcacheConnection`](/cpp/docs/reference/memcache/2.30.0/classgoogle_1_1cloud_1_1memcache__v1_1_1CloudMemcacheConnection).\n\nStructs\n-------\n\n### [CloudMemcacheBackoffPolicyOption](/cpp/docs/reference/memcache/2.30.0/structgoogle_1_1cloud_1_1memcache__v1_1_1CloudMemcacheBackoffPolicyOption)\n\nUse with [`google::cloud::Options`](https://cloud.google.com/cpp/docs/reference/common/latest/classgoogle_1_1cloud_1_1Options.html) to configure the backoff policy.\n\n### [CloudMemcacheConnectionIdempotencyPolicyOption](/cpp/docs/reference/memcache/2.30.0/structgoogle_1_1cloud_1_1memcache__v1_1_1CloudMemcacheConnectionIdempotencyPolicyOption)\n\nUse with [`google::cloud::Options`](https://cloud.google.com/cpp/docs/reference/common/latest/classgoogle_1_1cloud_1_1Options.html) to configure which operations are retried.\n\n### [CloudMemcachePollingPolicyOption](/cpp/docs/reference/memcache/2.30.0/structgoogle_1_1cloud_1_1memcache__v1_1_1CloudMemcachePollingPolicyOption)\n\nUse with [`google::cloud::Options`](https://cloud.google.com/cpp/docs/reference/common/latest/classgoogle_1_1cloud_1_1Options.html) to configure the long-running operations polling policy.\n\n### [CloudMemcacheRetryPolicyOption](/cpp/docs/reference/memcache/2.30.0/structgoogle_1_1cloud_1_1memcache__v1_1_1CloudMemcacheRetryPolicyOption)\n\nUse with [`google::cloud::Options`](https://cloud.google.com/cpp/docs/reference/common/latest/classgoogle_1_1cloud_1_1Options.html) to configure the retry policy.\n\nFunctions\n---------\n\n### MakeCloudMemcacheConnection(Options)\n\nA factory function to construct an object of type [`CloudMemcacheConnection`](/cpp/docs/reference/memcache/2.30.0/classgoogle_1_1cloud_1_1memcache__v1_1_1CloudMemcacheConnection). \nThe returned connection object should not be used directly; instead it should be passed as an argument to the constructor of [CloudMemcacheClient](/cpp/docs/reference/memcache/2.30.0/classgoogle_1_1cloud_1_1memcache__v1_1_1CloudMemcacheClient).\n\nThe optional `options` argument may be used to configure aspects of the returned [`CloudMemcacheConnection`](/cpp/docs/reference/memcache/2.30.0/classgoogle_1_1cloud_1_1memcache__v1_1_1CloudMemcacheConnection). Expected options are any of the types in the following option lists:\n\n- [`google::cloud::CommonOptionList`](https://cloud.google.com/cpp/docs/reference/common/latest/namespacegoogle_1_1cloud.html)\n- [`google::cloud::GrpcOptionList`](https://cloud.google.com/cpp/docs/reference/common/latest/namespacegoogle_1_1cloud.html)\n- [`google::cloud::UnifiedCredentialsOptionList`](https://cloud.google.com/cpp/docs/reference/common/latest/namespacegoogle_1_1cloud.html)\n- [`google::cloud::memcache_v1::CloudMemcachePolicyOptionList`](about:invalid#zCSafez)\n\n| **Note:** Unexpected options will be ignored. To log unexpected options instead, set `GOOGLE_CLOUD_CPP_ENABLE_CLOG=yes` in the environment.\n\n### MakeDefaultCloudMemcacheConnectionIdempotencyPolicy()"]]
