在一次测试执行过程中,发现服务器TCP发送队列较长,执行netstat -s | grep LISTEN,发现有SYNs包被丢弃,但是没有times the listen queue of a socket overflowed,即有可能是半连接队列溢出. 以下转自:http://blog.chinaunix.net/uid-13776576-id-5780567.html 问题描述: 最近遇到了一个syn丢包的情况,当系统磁盘.网络.cpu都无压力的时候,系统莫名其妙出现“sync to li
Visual studio 创建项目失败 提示 the vstemplate file references the wizard class 'Microsoft.VisualStudio.WinRT.TemplateWizards.ApplicationInsights.Wizard' which does not exsist in the assembly 'Microsoft.VisualStudio.WinRT.TemplateWizards, Version=14.0.0.0, C
案例:AWR手工创建快照失败,SYSAUX表空间剩余不足处理 版本:Oracle 11.2.0.4 RAC 问题现象:AWR手工创建快照失败,SYSAUX表空间剩余不足. 1. 查看SYSAUX表空间的段大小 查看SYSAUX表空间的段大小,按大小排序: select segment_name, sum(bytes) / 1024 / 1024 from dba_segments where tablespace_name = 'SYSAUX' group by segment_name ord
c# 创建socket客户端 using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Threading.Tasks; using System.Net.Sockets; namespace ConsoleApplication5 { class Program { static void Main(string[] args) { Socket s =
MySQL 创建函数失败提示1418 在创建函数时,往往会遇到创建函数失败的情形,除去书写的创建函数的sql语句本身语法错误之外,还会碰到一个错误就是, 1418:This function has none of DETERMINISTIC, NO SQL,or READS SQL DATA in its declaration and binary logging is enabled(you might want to use the less safe log_bin_trust_fun
using AD.SocketForm.Model; using NLog; using System; using System.Net; using System.Net.Sockets; namespace AD.SocketForm.Service { public class SocketService { private Logger _logger = LogManager.GetCurrentClassLogger(); /// <summary> /// 创建socket /