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 2025-03-14 UTC."],[[["This webpage provides documentation for the `SessionPoolKeepAliveIntervalOption` within the Google Cloud Spanner C++ client library, detailing its functionality across various versions."],["The latest version available is `2.37.0-rc`, with a comprehensive list of versions ranging down to `2.11.0`."],["`SessionPoolKeepAliveIntervalOption` is used within `google::cloud::Options` to manage how often sessions are refreshed, ensuring they are not garbage collected by the backend."],["The optimal refresh interval for `SessionPoolKeepAliveIntervalOption` should be less than 60 minutes, to prevent session collection by the garbage collector, accounting for the time needed to complete refresh calls."],["This option is represented by a `std::chrono::seconds` type."]]],[]]
