每秒100并发 5000用户量以上接入 通讯服务器 会发生数据异常

[java-net.js]

3000用户测试正常，超过5000用户 Redis和内存中数据不一样 总是差几个 下面是我的代码

[java-net.js]

我就是单纯的顺序执行 他也会少 而且没有异常抛出，这和写不写日志 没什么关系吧

[java-net.js]

public void UserConnected(string username,string terminalCategory,string nickname,string groupid,string groupname) { try { Terminal _TempTerminal; var _Users = UserManager.Instance(); if (_Users.ContainsKey(username)) { var _user = _Users.SingleOrDefault(o => o.Key == username); if (_user.Value.Terminals.ContainsKey(terminalCategory)) { var _terminal = _user.Value.Terminals.SingleOrDefault(o => o.Key == terminalCategory); _terminal.Value.ConnectedId= Context.ConnectionId; _terminal.Value.ConnectedTime = DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss"); _TempTerminal = _terminal.Value; } else { var terminal = new Terminal(); terminal.Category = terminalCategory; terminal.ConnectedId = Context.ConnectionId; terminal.ConnectedTime = DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss"); terminal.UserName = username; terminal.NickName = nickname; terminal.GroupId = groupid; terminal.GroupName = groupname; _user.Value.Terminals.Add(terminalCategory, terminal); _TempTerminal = terminal; } } else { var terminal = new Terminal(); terminal.Category = terminalCategory; terminal.ConnectedId = Context.ConnectionId; terminal.ConnectedTime = DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss"); terminal.UserName = username; terminal.NickName = nickname; terminal.GroupId = groupid; terminal.GroupName = groupname; User user = new User(); Dictionary<string, Terminal> terminals = new Dictionary<string, Terminal>(); terminals.Add(terminalCategory, terminal); user.UserName = username; user.Terminals = terminals; user.NickName = nickname; user.GroupId = groupid; user.GroupName = groupname; _Users.Add(username, user); _TempTerminal = terminal; } RedisHelper RClient = new RedisHelper(); RClient.SetEntryInHash(username, terminalCategory, JsonHelper.GetJson(_TempTerminal)); Groups.Add(Context.ConnectionId, groupid); string jsonContent = "{type:'online',username:'" + username + "'}"; Clients.Caller.OnMessage(jsonContent); } catch (Exception ex) { logger.Error("UserConnected:" + ex.ToString()); } }

[java-net.js]

下面是我的类和单例 public class UserManager { private static Logger logger = LogManager.GetCurrentClassLogger(); private static Dictionary<string, User> users = null; private static readonly object syncRoot = new object(); private static readonly object syncRootRemove = new object(); private UserManager() { } public static Dictionary<string, User> Instance() { if (users == null) { lock (syncRoot) { if (users == null) { users = new Dictionary<string, User>(); } } } return users; } public static void RemoveUser(string ConnectionId) { lock (syncRootRemove) { foreach (var u in users) { try { var t = u.Value.Terminals.Values.FirstOrDefault(o => o.ConnectedId == ConnectionId); if (t != null) { var _tempUserName = ""; u.Value.Terminals.Remove(t.Category); IHubContext<IClient> Context = GlobalHost.ConnectionManager.GetHubContext<MyHub, IClient>(); Context.Groups.Remove(ConnectionId, u.Value.GroupId); RedisHelper RClient = new RedisHelper(); RClient.RemoveEntryFromHash(t.UserName, t.Category); if (u.Value.Terminals.Count <= 0) { _tempUserName = u.Value.UserName; users.Remove(u.Value.UserName); RClient.Remove(t.UserName); } string jsonContent = "{type:'offline',username:'" + u.Value.UserName + "'}"; Context.Clients.All.OnMessage(jsonContent); break; } } catch (Exception ex) { logger.Error("RemoveUser" + ex.ToString()); } } } } } public class User { public string UserName { get; set; } public string NickName { get; set; } public string GroupId { get; set; } public string GroupName { get; set; } public Dictionary<string,Terminal> Terminals { get; set; } } public class Terminal { public string UserName { get; set; } public string NickName { get; set; } public string GroupId { get; set; } public string GroupName { get; set; } public string Category { get; set; } public string ConnectedTime { get; set; } public string ConnectedId { get; set; } }

[java-net.js]

使用的是微软的SignalR

[赵4老师]

内存池 线程池 连接池 …… 有时不将“调用函数名字＋各参数值，进入函数后各参数值，中间变量值，退出函数前准备返回的值，返回函数到调用处后函数名字＋各参数值＋返回值”这些信息写日志到文件中是无论如何也发现不了问题在哪里的，包括捕获各种异常、写日志到屏幕、单步或设断点或生成core或dmp文件、……这些方法都不行！ 写日志到文件参考下面：

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#ifdef _MSC_VER
    #pragma warning(disable:4996)
    #include <windows.h>
    #include <io.h>
#else
    #include <unistd.h>
    #include <sys/time.h>
    #include <pthread.h>
    #define  CRITICAL_SECTION   pthread_mutex_t
    #define  _vsnprintf         vsnprintf
#endif
//Log{
#define MAXLOGSIZE 20000000
#define MAXLINSIZE 16000
#include <time.h>
#include <sys/timeb.h>
#include <stdarg.h>
char logfilename1[]="MyLog1.log";
char logfilename2[]="MyLog2.log";
static char logstr[MAXLINSIZE+1];
char datestr[16];
char timestr[16];
char mss[4];
CRITICAL_SECTION cs_log;
FILE *flog;
#ifdef _MSC_VER
void Lock(CRITICAL_SECTION *l) {
    EnterCriticalSection(l);
}
void Unlock(CRITICAL_SECTION *l) {
    LeaveCriticalSection(l);
}
#else
void Lock(CRITICAL_SECTION *l) {
    pthread_mutex_lock(l);
}
void Unlock(CRITICAL_SECTION *l) {
    pthread_mutex_unlock(l);
}
#endif
void LogV(const char *pszFmt,va_list argp) {
    struct tm *now;
    struct timeb tb;

    if (NULL==pszFmt||0==pszFmt[0]) return;
    _vsnprintf(logstr,MAXLINSIZE,pszFmt,argp);
    ftime(&tb);
    now=localtime(&tb.time);
    sprintf(datestr,"%04d-%02d-%02d",now->tm_year+1900,now->tm_mon+1,now->tm_mday);
    sprintf(timestr,"%02d:%02d:%02d",now->tm_hour     ,now->tm_min  ,now->tm_sec );
    sprintf(mss,"%03d",tb.millitm);
    printf("%s %s.%s %s",datestr,timestr,mss,logstr);
    flog=fopen(logfilename1,"a");
    if (NULL!=flog) {
        fprintf(flog,"%s %s.%s %s",datestr,timestr,mss,logstr);
        if (ftell(flog)>MAXLOGSIZE) {
            fclose(flog);
            if (rename(logfilename1,logfilename2)) {
                remove(logfilename2);
                rename(logfilename1,logfilename2);
            }
        } else {
            fclose(flog);
        }
    }
}
void Log(const char *pszFmt,...) {
    va_list argp;

    Lock(&cs_log);
    va_start(argp,pszFmt);
    LogV(pszFmt,argp);
    va_end(argp);
    Unlock(&cs_log);
}
//Log}
int main(int argc,char * argv[]) {
    int i;
#ifdef _MSC_VER
    InitializeCriticalSection(&cs_log);
#else
    pthread_mutex_init(&cs_log,NULL);
#endif
    for (i=0;i<10000;i++) {
        Log("This is a Log %04d from FILE:%s LINE:%d\n",i, __FILE__, __LINE__);
    }
#ifdef _MSC_VER
    DeleteCriticalSection(&cs_log);
#else
    pthread_mutex_destroy(&cs_log);
#endif
    return 0;
}
//1-79行添加到你带main的.c或.cpp的那个文件的最前面
//81-86行添加到你的main函数开头
//90-94行添加到你的main函数结束前
//在要写LOG的地方仿照第88行的写法写LOG到文件MyLog1.log中