Reference documentation and code samples for the Google.Cloud.Spanner.Data class SessionPoolManager.
Manages sessions used by SpannerConnection. This is rarely used
directly by user code; it's public to provide flexibility when custom options are
required.
[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Missing the information I need","missingTheInformationINeed","thumb-down"],["Too complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-07 UTC."],[[["\u003cp\u003eThe latest version of the \u003ccode\u003eSessionPoolManager\u003c/code\u003e is 5.0.0-beta05, with several previous versions available for reference, including versions 3.5.0 through 4.6.0.\u003c/p\u003e\n"],["\u003cp\u003e\u003ccode\u003eSessionPoolManager\u003c/code\u003e manages sessions for \u003ccode\u003eSpannerConnection\u003c/code\u003e, usually without direct user intervention but is made public for custom configurations.\u003c/p\u003e\n"],["\u003cp\u003eIt is a class, and can be created with specific \u003ccode\u003eSessionPoolOptions\u003c/code\u003e and a \u003ccode\u003eLogger\u003c/code\u003e or with \u003ccode\u003eSpannerSettings\u003c/code\u003e instead of a \u003ccode\u003eLogger\u003c/code\u003e.\u003c/p\u003e\n"],["\u003cp\u003e\u003ccode\u003eSessionPoolManager\u003c/code\u003e has a default static instance and has a \u003ccode\u003eSessionPoolOptions\u003c/code\u003e property that is used for every created \u003ccode\u003eGoogle.Cloud.Spanner.V1.SessionPool\u003c/code\u003e.\u003c/p\u003e\n"]]],[],null,["# Google.Cloud.Spanner.Data - Class SessionPoolManager (5.1.0)\n\nVersion latestkeyboard_arrow_down\n\n- [5.1.0 (latest)](/dotnet/docs/reference/Google.Cloud.Spanner.Data/latest/Google.Cloud.Spanner.Data.SessionPoolManager)\n- [5.0.0](/dotnet/docs/reference/Google.Cloud.Spanner.Data/5.0.0/Google.Cloud.Spanner.Data.SessionPoolManager)\n- [4.6.0](/dotnet/docs/reference/Google.Cloud.Spanner.Data/4.6.0/Google.Cloud.Spanner.Data.SessionPoolManager)\n- [4.5.0](/dotnet/docs/reference/Google.Cloud.Spanner.Data/4.5.0/Google.Cloud.Spanner.Data.SessionPoolManager)\n- [4.4.0](/dotnet/docs/reference/Google.Cloud.Spanner.Data/4.4.0/Google.Cloud.Spanner.Data.SessionPoolManager)\n- [4.3.0](/dotnet/docs/reference/Google.Cloud.Spanner.Data/4.3.0/Google.Cloud.Spanner.Data.SessionPoolManager)\n- [4.2.0](/dotnet/docs/reference/Google.Cloud.Spanner.Data/4.2.0/Google.Cloud.Spanner.Data.SessionPoolManager)\n- [4.1.0](/dotnet/docs/reference/Google.Cloud.Spanner.Data/4.1.0/Google.Cloud.Spanner.Data.SessionPoolManager)\n- [4.0.0](/dotnet/docs/reference/Google.Cloud.Spanner.Data/4.0.0/Google.Cloud.Spanner.Data.SessionPoolManager)\n- [3.15.1](/dotnet/docs/reference/Google.Cloud.Spanner.Data/3.15.1/Google.Cloud.Spanner.Data.SessionPoolManager)\n- [3.14.0](/dotnet/docs/reference/Google.Cloud.Spanner.Data/3.14.0/Google.Cloud.Spanner.Data.SessionPoolManager)\n- [3.13.0](/dotnet/docs/reference/Google.Cloud.Spanner.Data/3.13.0/Google.Cloud.Spanner.Data.SessionPoolManager)\n- [3.12.0](/dotnet/docs/reference/Google.Cloud.Spanner.Data/3.12.0/Google.Cloud.Spanner.Data.SessionPoolManager)\n- [3.11.0](/dotnet/docs/reference/Google.Cloud.Spanner.Data/3.11.0/Google.Cloud.Spanner.Data.SessionPoolManager)\n- [3.10.0](/dotnet/docs/reference/Google.Cloud.Spanner.Data/3.10.0/Google.Cloud.Spanner.Data.SessionPoolManager)\n- [3.9.0](/dotnet/docs/reference/Google.Cloud.Spanner.Data/3.9.0/Google.Cloud.Spanner.Data.SessionPoolManager)\n- [3.8.0](/dotnet/docs/reference/Google.Cloud.Spanner.Data/3.8.0/Google.Cloud.Spanner.Data.SessionPoolManager)\n- [3.7.0](/dotnet/docs/reference/Google.Cloud.Spanner.Data/3.7.0/Google.Cloud.Spanner.Data.SessionPoolManager)\n- [3.6.0](/dotnet/docs/reference/Google.Cloud.Spanner.Data/3.6.0/Google.Cloud.Spanner.Data.SessionPoolManager)\n- [3.5.0](/dotnet/docs/reference/Google.Cloud.Spanner.Data/3.5.0/Google.Cloud.Spanner.Data.SessionPoolManager) \n\n public sealed class SessionPoolManager\n\nReference documentation and code samples for the Google.Cloud.Spanner.Data class SessionPoolManager.\n\nManages sessions used by [SpannerConnection](/dotnet/docs/reference/Google.Cloud.Spanner.Data/latest/Google.Cloud.Spanner.Data.SpannerConnection). This is rarely used\ndirectly by user code; it's public to provide flexibility when custom options are\nrequired. \n\nInheritance\n-----------\n\n[object](https://learn.microsoft.com/dotnet/api/system.object) \\\u003e SessionPoolManager \n\nInherited Members\n-----------------\n\n[object.GetHashCode()](https://learn.microsoft.com/dotnet/api/system.object.gethashcode) \n[object.GetType()](https://learn.microsoft.com/dotnet/api/system.object.gettype) \n[object.ToString()](https://learn.microsoft.com/dotnet/api/system.object.tostring)\n\nNamespace\n---------\n\n[Google.Cloud.Spanner.Data](/dotnet/docs/reference/Google.Cloud.Spanner.Data/latest/Google.Cloud.Spanner.Data)\n\nAssembly\n--------\n\nGoogle.Cloud.Spanner.Data.dll\n\nProperties\n----------\n\n### Default\n\n public static SessionPoolManager Default { get; }\n\nThe default session pool manager, used by [SpannerConnection](/dotnet/docs/reference/Google.Cloud.Spanner.Data/latest/Google.Cloud.Spanner.Data.SpannerConnection) unless a different pool\nis specified on construction.\n\n### SessionPoolOptions\n\n public SessionPoolOptions SessionPoolOptions { get; }\n\nThe session pool options used for every Google.Cloud.Spanner.V1.SessionPool created by this session pool manager.\n\nMethods\n-------\n\n### Create(SessionPoolOptions, Logger)\n\n public static SessionPoolManager Create(SessionPoolOptions options, Logger logger = null)\n\nCreates a [SessionPoolManager](/dotnet/docs/reference/Google.Cloud.Spanner.Data/latest/Google.Cloud.Spanner.Data.SessionPoolManager) with the specified options.\n\n### CreateWithSettings(SessionPoolOptions, SpannerSettings)\n\n public static SessionPoolManager CreateWithSettings(SessionPoolOptions options, SpannerSettings spannerSettings)\n\nCreates a [SessionPoolManager](/dotnet/docs/reference/Google.Cloud.Spanner.Data/latest/Google.Cloud.Spanner.Data.SessionPoolManager) with the specified SpannerSettings and options."]]
