我做了两件事来帮助解决这个问题。
- 升级了 MySQL 驱动程序。
- 使用的代码来自如何查询MySQL .Net连接器连接池当前大小? https://stackoverflow.com/questions/14963556/how-to-query-the-current-size-of-the-mysqls-net-connectors-connection-pool创建一个网页来监视我的服务器上连接池的状态。
我使用的完整代码是:
string path = u.MapPath("~/bin/MySql.Data.dll");
Assembly ms = Assembly.LoadFrom(path);
Type type = ms.GetType("MySql.Data.MySqlClient.MySqlPoolManager");
MethodInfo mi = type.GetMethod("GetPool", BindingFlags.Static | BindingFlags.Public);
var pool = mi.Invoke(null, new object[] { new MySqlConnectionStringBuilder(ConnectionString) });
Type mip = ms.GetType("MySql.Data.MySqlClient.MySqlPool");
MemberInfo[] mei1 = mip.GetMember("inUsePool", BindingFlags.NonPublic);
totalAvailable = (int)pool.GetType().InvokeMember("available", BindingFlags.GetField | System.Reflection.BindingFlags.Public | System.Reflection.BindingFlags.NonPublic | System.Reflection.BindingFlags.Instance, null, pool, new object[] { });
var o = pool.GetType().InvokeMember("inUsePool", BindingFlags.GetField | BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Instance, null, pool, new object[] { });
var o1 = pool.GetType().InvokeMember("idlePool", BindingFlags.GetField | BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Instance, null, pool, new object[] { });
inUseCount = (int)o.GetType().InvokeMember("Count", BindingFlags.GetProperty | BindingFlags.Instance | BindingFlags.Public, null, o, null);
idleCount = (int)o1.GetType().InvokeMember("Count", BindingFlags.GetProperty | BindingFlags.Instance | BindingFlags.Public, null, o1, null);