为什么将haproxy与Redis一起使用时为什么没有TIME-WAIT连接

Question

I'm using Haproxy to check Redis server living status. One problem we may always face is, no enough port available after a while, cuz Haproxy might leave a ton of TIME-WAIT sockets there. But, in fact, I cannot find any TIME-WAIT socket when using haproxy+redis. Cannot understand why.

Any thoughts? Thanks.

Answer 1

see fd.c:

setsockopt(fd, SOL_SOCKET, SO_LINGER,
           (struct linger *) &nolinger, sizeof(struct linger));