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++ library, specifically detailing its usage across various versions."],["The latest release candidate version for the `SessionPoolKeepAliveIntervalOption` is 2.37.0-rc, with historical versions available from 2.36.0 down to 2.11.0."],["`SessionPoolKeepAliveIntervalOption` sets the interval for refreshing sessions to prevent them from being garbage collected by the backend, which typically occurs after 60 minutes of inactivity."],["The interval for refreshing the sessions is set using an alias of `std::chrono::seconds`, and any duration shorter than 60 minutes, with some consideration for network latency, is recommended."]]],[]]
