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Re: FastCGI KeepAlive

June 22, 2017 06:00AM
Note the connect(13, ...) and close(13) right after the response has been received.
For PHP it's working, but AFAIK there's nothing in the FastCGI protocol that the backend has to do other then keeping the connection open.

gettimeofday({tv_sec=1498125120, tv_usec=540583}, NULL) = 0
recvfrom(3, "GET /v2/rides HTTP/1.1\r\nHost: de"..., 1024, 0, NULL, NULL) = 561
socket(AF_UNIX, SOCK_STREAM, 0) = 13
ioctl(13, FIONBIO, [1]) = 0
epoll_ctl(10, EPOLL_CTL_ADD, 13, {EPOLLIN|EPOLLOUT|EPOLLRDHUP|EPOLLET, {u32=370685264, u64=94674334790992}}) = 0
connect(13, {sa_family=AF_UNIX, sun_path="/tmp/backend.socket"}, 110) = 0
getsockopt(13, SOL_SOCKET, SO_ERROR, [0], [4]) = 0
writev(13, [{iov_base="\1\1\0\1\0\10\0\0\0\1\1\0\0\0\0\0\1\4\0\1\3\344\4\0\17\36SCRIPT"..., iov_len=1040}], 1) = 1040
recvfrom(3, 0x7ffeb4895e57, 1, MSG_PEEK, NULL, NULL) = -1 EAGAIN (Resource temporarily unavailable)
epoll_wait(10, [{EPOLLOUT, {u32=370685264, u64=94674334790992}}], 512, 60000) = 1
gettimeofday({tv_sec=1498125120, tv_usec=546097}, NULL) = 0
epoll_wait(10, [{EPOLLIN|EPOLLOUT, {u32=370685264, u64=94674334790992}}], 512, 59994) = 1
gettimeofday({tv_sec=1498125120, tv_usec=550400}, NULL) = 0
recvfrom(13, "\1\6\0\1\7[\0\0Content-Type: applicatio"..., 4096, 0, NULL, NULL) = 1915
readv(13, [{iov_base=0x561b1610558b, iov_len=2181}], 1) = -1 EAGAIN (Resource temporarily unavailable)
writev(3, [{iov_base="HTTP/1.1 200 OK\r\nServer: nginx/1"..., iov_len=201}, {iov_base="712\r\n", iov_len=5}, {iov_base="\37\213\10\0\0\0\0\0\0\3\335\335Oo\334T\30\305\341}?E\325u\211\356?\277\347\274|\3"..., iov_len=1810}, {iov_base="\r\n", iov_len=2}], 4) = 2018
close(13) = 0
writev(3, [{iov_base="0\r\n\r\n", iov_len=5}], 1) = 5
write(4, "84.207.216.34 - - [22/Jun/2017:0"..., 203) = 203
recvfrom(3, 0x561b1616a130, 1024, 0, NULL, NULL) = -1 EAGAIN (Resource temporarily unavailable)
epoll_wait(10, [{EPOLLIN|EPOLLOUT, {u32=370684801, u64=94674334790529}}], 512, 65000) = 1
Subject Author Posted

FastCGI KeepAlive

Olaf van der Spek June 21, 2017 12:09PM

Re: FastCGI KeepAlive

Maxim Dounin June 21, 2017 12:56PM

Re: FastCGI KeepAlive

Olaf van der Spek June 21, 2017 02:21PM

Re: FastCGI KeepAlive

Olaf van der Spek June 22, 2017 06:00AM

Re: FastCGI KeepAlive

Maxim Dounin June 22, 2017 09:52AM

Re: FastCGI KeepAlive

Olaf van der Spek June 22, 2017 10:10AM

Re: FastCGI KeepAlive

Olaf van der Spek June 22, 2017 10:23AM

Re: FastCGI KeepAlive

Maxim Dounin June 22, 2017 11:32AM

Re: FastCGI KeepAlive

Olaf van der Spek June 21, 2017 03:48PM

Re: FastCGI KeepAlive

Francis Daly June 21, 2017 06:02PM



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