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 page lists different versions of the `SessionPoolKeepAliveIntervalOption` for Google Cloud Spanner's C++ client library, starting from version 2.11.0 up to the latest release candidate, 2.37.0-rc."],["The `SessionPoolKeepAliveIntervalOption` configures how often sessions are refreshed to prevent them from being garbage collected by the backend."],["The option is used with `google::cloud::Options` and works by setting a refresh interval to keep sessions alive."],["The recommended refresh interval is less than 60 minutes, with some slack time to accommodate the time it takes to make the refresh calls."],["The alias for this Type is `std::chrono::seconds`."]]],[]]
