The returned connection object should not be used directly; instead it should be passed as an argument to the constructor ofCloudMemcacheClient.
The optionaloptionsargument may be used to configure aspects of the returnedCloudMemcacheConnection. 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 page provides C++ documentation for Google Cloud Memcache, offering access to various versions and classes.\u003c/p\u003e\n"],["\u003cp\u003eThe latest release candidate version is 2.37.0-rc, with multiple stable versions ranging from 2.36.0 down to 2.11.0 available for reference.\u003c/p\u003e\n"],["\u003cp\u003eThe \u003ccode\u003eCloudMemcacheClient\u003c/code\u003e class configures and manages Memcached instances, while \u003ccode\u003eCloudMemcacheConnection\u003c/code\u003e serves as its underlying connection object.\u003c/p\u003e\n"],["\u003cp\u003eSeveral retry policies are available to manage connection failures, including error count, elapsed time, and a general retry policy.\u003c/p\u003e\n"],["\u003cp\u003eThe page also includes structs for configuring backoff, polling, retry, and connection idempotency policies using Google Cloud's \u003ccode\u003eOptions\u003c/code\u003e class.\u003c/p\u003e\n"]]],[],null,["# Namespace google::cloud::memcache_v1 (2.21.0)\n\nVersion 2.21.0keyboard_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/2.21.0/classgoogle_1_1cloud_1_1memcache__v1_1_1CloudMemcacheClient)\n\nConfigures and manages Cloud Memorystore for Memcached instances.\n\n### [CloudMemcacheConnection](/cpp/docs/reference/memcache/2.21.0/classgoogle_1_1cloud_1_1memcache__v1_1_1CloudMemcacheConnection)\n\nThe [`CloudMemcacheConnection`](/cpp/docs/reference/memcache/2.21.0/classgoogle_1_1cloud_1_1memcache__v1_1_1CloudMemcacheConnection) object for [`CloudMemcacheClient`](/cpp/docs/reference/memcache/2.21.0/classgoogle_1_1cloud_1_1memcache__v1_1_1CloudMemcacheClient).\n\n### [CloudMemcacheConnectionIdempotencyPolicy](/cpp/docs/reference/memcache/2.21.0/classgoogle_1_1cloud_1_1memcache__v1_1_1CloudMemcacheConnectionIdempotencyPolicy)\n\n### [CloudMemcacheLimitedErrorCountRetryPolicy](/cpp/docs/reference/memcache/2.21.0/classgoogle_1_1cloud_1_1memcache__v1_1_1CloudMemcacheLimitedErrorCountRetryPolicy)\n\nA retry policy for [`CloudMemcacheConnection`](/cpp/docs/reference/memcache/2.21.0/classgoogle_1_1cloud_1_1memcache__v1_1_1CloudMemcacheConnection) based on counting errors.\n\n### [CloudMemcacheLimitedTimeRetryPolicy](/cpp/docs/reference/memcache/2.21.0/classgoogle_1_1cloud_1_1memcache__v1_1_1CloudMemcacheLimitedTimeRetryPolicy)\n\nA retry policy for [`CloudMemcacheConnection`](/cpp/docs/reference/memcache/2.21.0/classgoogle_1_1cloud_1_1memcache__v1_1_1CloudMemcacheConnection) based on elapsed time.\n\n### [CloudMemcacheRetryPolicy](/cpp/docs/reference/memcache/2.21.0/classgoogle_1_1cloud_1_1memcache__v1_1_1CloudMemcacheRetryPolicy)\n\nThe retry policy for [`CloudMemcacheConnection`](/cpp/docs/reference/memcache/2.21.0/classgoogle_1_1cloud_1_1memcache__v1_1_1CloudMemcacheConnection).\n\nStructs\n-------\n\n### [CloudMemcacheBackoffPolicyOption](/cpp/docs/reference/memcache/2.21.0/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/2.21.0/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/2.21.0/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/2.21.0/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/2.21.0/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/2.21.0/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/2.21.0/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`](/cpp/docs/reference/memcache/2.21.0/namespacegoogle_1_1cloud_1_1memcache__v1)\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()\n\nType Aliases\n------------\n\n### CloudMemcachePolicyOptionList\n\n**Alias Of** : `OptionList\u003c CloudMemcacheRetryPolicyOption, CloudMemcacheBackoffPolicyOption, CloudMemcachePollingPolicyOption, CloudMemcacheConnectionIdempotencyPolicyOption \u003e` \nThe options applicable to CloudMemcache."]]
