at Microsoft.EntityFrameworkCore.Query.RelationalShapedQueryCompilingExpressionVisitor.AsyncQueryingEnumerable`1.AsyncEnumerator.MoveNextAsync() 排查 我在Azure上使用的是 SQL Server Basic Edition(好歹也是付费版),全量发布至今,日均SQL访问次数约为10000,查询了Azure SQL的使用限制文档: 一句话: 付费级别和计算资源...
string connstr="Server=joe;Database=AdventureWorks;User ID=sa;Password=test;pooling=true;connection lifetime=0;min pool size = 10;max pool size=512";
LinqQuery) { var connect = new MySqlConnection("data source=192.168.21.129;database=MasterSlave; userid=root;pwd=199645; charset=utf8;ConvertZeroDateTime=True;pooling=true; allowuservariables=true;"); connect.Open(); _command = new MySqlCommand(command.CommandText, connect); var reader = ...
B.当程序执行到Connection.close() 的时候。如果Pooling 为True,ADO.net 就把当前的Connection放到Connection Pool并且保持与数据库之间的连接。 同时还会判断Connection Lifetime(默认为0)属性,0代表无限大,如果Connection存在的时间超过了Connection LifeTime,ADO.net就会关闭的Connection同时断开与数据库的连接,而不是重...
And coming back to the DbContext pooling problem (which this issue is about): even in the project's appsettings I wasn't able to usethe configuration provider approach. For some reasons the settings are simply not being picked up. In my repro, I've added comment there:<-- why is this...
importmysql.connectordefinitialize_dbcontext():# 创建连接池cnxpool=mysql.connector.pooling.MySQLConnectionPool(pool_name='mypool',pool_size=5,host='localhost',user='root',password='password',database='mydatabase')# 注册数据库连接dbcontext=mysql.connector.connect(pool_name='mypool')returndbcontext...
DbContext pooling can increase performance in high-throughput scenarios by re-using context instances. However, for most application this performance gain is very small. Note that when using pooling, the context configuration cannot change between uses, and scoped services inje...
Entity Framework Core 2 最近发布。 在今天的节目中,我们探索了一个名为 DbContext 池的新功能。 了解启用 DbContext 池如何神奇地使 ASP.NET 核心应用程序更快! 相关链接: GitHub 存储库 - https://github.com/AspNetMonsters/EP109-EFDbContextPoolingNetling 负载测试工具 - https://gi...
<addname="Normal"connectionString="Server=192.168.0.1;Database=CSFrameworkV5_Normal;User ID=sa;Password=test; Max Pool Size=512; Pooling=true;Connect Timeout=30"providerName="System.Data.SqlClient"/> </connectionStrings> //来源:C/S框架网 | www.csframework.com | QQ:23404761 ...
DataType.Sqlite, @"Data Source=|DataDirectory|\dd2.db;Pooling=true;Max Pool Size=10") .UseAutoSyncStructure(true) .UseNoneCommandParameter(true) .UseMonitorCommand(cmd => Trace.WriteLine(cmd.CommandText)) .Build(); public class Song { [Column(IsIdentity = true)] public int Id { get; ...