$ ./kill_close_wait_connections.pl To install permanently you can do the following:$ mv kill_close_wait_connections.pl /usr/bin/kill_close_wait_connections $ chmod +x /usr/bin/kill_close_wait_connections $ kill_close_wait_connections ...
$ netstat -anp | grep \':80 \' | grep CLOSE_WAIT | awk \'{print $7}\' | cut -d \/ -f1 | grep -oE \"[[:digit:]]{1,}\" | xargs kill KillCLOSE_WAITconnections by IP & Port Kill TCP connections inCLOSE_WAIT, state established with foreign IP address192.168.0.100on port80:...
socket.io To add to Jim answer, i think there is a problem in your client handling of closing of socket connections . It seems your client is not closing the sockets properly(both server initiated and client initiated close) and that is the reason your server has so many wait states Linux...
socket处于TIME_WAIT_1状态,这个信息很有用,可以判断系统调用是正常的,因为按照TCP状态机,FIN发出来后socket会进入TIME_WAIT_1状态,在收到对端ACK后进入TIME_WAIT_2状态。关于socket的另一个信息是:这个socket长时间处于TIME_WAIT_1状态,这也反向证明了在网卡上没有抓到FIN包的陈述是合理。FIN包没出虚机网卡,对...
Active Internet connections (w/o servers) Proto Recv-Q Send-Q Local Address Foreign Address State PID/Program name tcp 1 0 ramesh-laptop.loc:47212 192.168.185.75:www CLOSE_WAIT 2109/firefox tcp 0 0 ramesh-laptop.loc:52750 lax:www ESTABLISHED 2109/firefox ...
mysql_cond_wait(&COND_socket_listener_active, &LOCK_socket_listener_active); } mysql_mutex_unlock(&LOCK_socket_listener_active); // 关闭现有连接 close_connections(); } my_thread_end(); my_thread_exit(0); return NULL; // Avoid compiler warnings ...
正常情况下kill进程后,用户态调用close()系统调用来发起TCP FIN给对端,所以这肯定是个异常现象。关键的信息是: 用户态kill进程。 ECS网卡层面没有抓到FIN包。 从这个现象描述中可以推断问题出在位于用户空间和网卡驱动中间的内核态中。但是是系统调用问题,还是FIN已经构造后出的问题,还不确定。这时候比较简单有效的...
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socket处于TIME_WAIT_1状态,这个信息很有用,可以判断系统调用是正常的,因为按照TCP状态机,FIN发出来后socket会进入TIME_WAIT_1状态,在收到对端ACK后进入TIME_WAIT_2状态。关于socket的另一个信息是:这个socket长时间处于TIME_WAIT_1状态,这也反向证明了在网卡上没有抓到FIN包的陈述是合理。FIN包没出虚机网卡,对...
How can I kill all TCP connections before starting backups? Is there a tool to terminate TCP connections (like tcpdrop on Solaris)? In my HA cluster environment I move a TCP service with the IP it is bound to a different cluster node. The clients utilizing the service have to wait for...