Option for google::cloud::Options to set the interval at which we refresh sessions so they don't get collected by the backend GC.
The GC collects objects older than 60 minutes, so any duration below that (less some slack to allow the calls to be made to refresh the sessions) should suffice.
[[["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 2025-03-21 UTC."],[[["This webpage provides documentation for the `SessionPoolKeepAliveIntervalOption` within the Google Cloud Spanner C++ client library, detailing its usage across multiple versions."],["The latest release candidate version is `2.37.0-rc`, and the page includes documentation for versions from `2.11.0` to the latest."],["`SessionPoolKeepAliveIntervalOption` is used to configure the frequency at which sessions are refreshed to prevent garbage collection by the backend."],["The recommended interval for refreshing sessions should be less than 60 minutes, with some buffer time added, as the backend GC collects sessions older than 60 minutes."],["The type of the alias is std::chrono::seconds."]]],[]]
