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 provides documentation for the `SessionPoolKeepAliveIntervalOption` in the Google Cloud Spanner C++ client library."],["The latest release candidate version is 2.37.0-rc, with the current version at the top of the page being 2.33.0."],["It details how to set the interval for refreshing sessions to prevent garbage collection, which can collect objects older than 60 minutes."],["There is an extensive list of past versions ranging from 2.36.0 to 2.11.0, and each version can be linked to view its documentation for the `SessionPoolKeepAliveIntervalOption` object."],["The option uses `std::chrono::seconds` as its underlying type, dictating the duration for session refreshes."]]],[]]
