Hi all,
I have following stack: hitch-1.5 - varnish-5.2.0 - httpd-2.2/2.4
On a high traffic node I am observing a lot of "Socket error: Connection reset
by peer" log entries coming from hitch.
I am trying to locate the cause of the issue (hitch or varnish site).
So far I can say; that disabling h2 on hitch the "Connection resets" doesn't
appear anymore.
Does this have to do with varnish-5.2.'s h2 implementation?
Thanks
Leon
Jan 30 19:02:37 srv-s01 hitch[4006]: ww.xx.yy.zz:59395 :0 10:11 proxy connect
Jan 30 19:02:37 srv-s01 hitch[4006]: ww.xx.yy.zz:59395 :0 10:11 ssl handshake
start
Jan 30 19:02:37 srv-s01 hitch[4006]: ww.xx.yy.zz:59395 :0 10:11 ssl client
handshake revents=1
Jan 30 19:02:37 srv-s01 hitch[4006]: ww.xx.yy.zz:59395 :0 10:11 ssl client
handshake err=SSL_ERROR_WANT_READ
Jan 30 19:02:37 srv-s01 hitch[4006]: ww.xx.yy.zz:59395 :0 10:11 ssl client
handshake revents=1
Jan 30 19:02:37 srv-s01 hitch[4006]: ww.xx.yy.zz:59395 :0 10:11 NPN/ALPN
protocol: h2
Jan 30 19:02:37 srv-s01 hitch[4006]: ww.xx.yy.zz:59395 :0 10:11 ssl end
handshake
Jan 30 19:02:37 srv-s01 hitch[4006]: ww.xx.yy.zz:59395 :42884 10:11 backend
connected
Jan 30 19:02:39 srv-s01 hitch[4006]: {backend} Socket error: Connection reset
by peer
Jan 30 19:02:39 srv-s01 hitch[4006]: ww.xx.yy.zz:59395 :42884 10:11 proxy
shutdown req=SHUTDOWN_CLEAR
Jan 30 19:02:39 srv-s01 hitch[4006]: {backend} Socket error: Broken pipe
Jan 30 19:02:39 srv-s01 hitch[4006]: ww.xx.yy.zz:59395 :42884 10:11 proxy
shutdown req=SHUTDOWN_CLEAR
Jan 30 19:02:39 srv-s01 hitch[4006]: ww.xx.yy.zz:59399 :0 10:11 proxy connect
Jan 30 19:02:39 srv-s01 hitch[4006]: ww.xx.yy.zz:59399 :0 10:11 ssl handshake
start
Jan 30 19:02:39 srv-s01 hitch[4006]: ww.xx.yy.zz:59399 :0 10:11 ssl client
handshake revents=1
Jan 30 19:02:39 srv-s01 hitch[4006]: ww.xx.yy.zz:59399 :0 10:11 ssl client
handshake err=SSL_ERROR_WANT_READ
Jan 30 19:02:39 srv-s01 hitch[4006]: ww.xx.yy.zz:59399 :0 10:11 ssl client
handshake revents=1
Jan 30 19:02:39 srv-s01 hitch[4006]: ww.xx.yy.zz:59399 :0 10:11 NPN/ALPN
protocol: h2
Jan 30 19:02:39 srv-s01 hitch[4006]: ww.xx.yy.zz:59399 :0 10:11 ssl end
handshake
Jan 30 19:02:39 srv-s01 hitch[4006]: ww.xx.yy.zz:59399 :42922 10:11 backend
connected
Jan 30 19:02:40 srv-s01 hitch[4006]: {backend} Socket error: Connection reset
by peer
Jan 30 19:02:40 srv-s01 hitch[4006]: ww.xx.yy.zz:59399 :42922 10:11 proxy
shutdown req=SHUTDOWN_CLEAR
Jan 30 19:02:40 srv-s01 hitch[4006]: ww.xx.yy.zz:59399 :42922 10:11 proxy
shutdown req=SHUTDOWN_HARD
Jan 30 19:02:40 srv-s01 hitch[4006]: ww.xx.yy.zz:59413 :0 10:11 proxy connect
Jan 30 19:02:40 srv-s01 hitch[4006]: ww.xx.yy.zz:59413 :0 10:11 ssl handshake
start
Jan 30 19:02:40 srv-s01 hitch[4006]: ww.xx.yy.zz:59413 :0 10:11 ssl client
handshake revents=1
Jan 30 19:02:40 srv-s01 hitch[4006]: ww.xx.yy.zz:59413 :0 10:11 ssl client
handshake err=SSL_ERROR_WANT_READ
Jan 30 19:02:40 srv-s01 hitch[4006]: ww.xx.yy.zz:59413 :0 10:11 ssl client
handshake revents=1
Jan 30 19:02:40 srv-s01 hitch[4006]: ww.xx.yy.zz:59413 :0 10:11 NPN/ALPN
protocol: h2
Jan 30 19:02:40 srv-s01 hitch[4006]: ww.xx.yy.zz:59413 :0 10:11 ssl end
handshake
Jan 30 19:02:40 srv-s01 hitch[4006]: ww.xx.yy.zz:59413 :42924 10:11 backend
connected
Jan 30 19:03:41 srv-s01 hitch[4006]: ww.xx.yy.zz:59418 :0 12:13 proxy connect
Jan 30 19:03:41 srv-s01 hitch[4006]: ww.xx.yy.zz:59418 :0 12:13 ssl handshake
start
Jan 30 19:03:41 srv-s01 hitch[4006]: ww.xx.yy.zz:59418 :0 12:13 ssl client
handshake revents=1
Jan 30 19:03:41 srv-s01 hitch[4006]: ww.xx.yy.zz:59418 :0 12:13 ssl client
handshake err=SSL_ERROR_WANT_READ
Jan 30 19:03:41 srv-s01 hitch[4006]: ww.xx.yy.zz:59418 :0 12:13 ssl client
handshake revents=1
Jan 30 19:03:41 srv-s01 hitch[4006]: ww.xx.yy.zz:59418 :0 12:13 NPN/ALPN
protocol: h2
Jan 30 19:03:41 srv-s01 hitch[4006]: ww.xx.yy.zz:59418 :0 12:13 ssl end
handshake
Jan 30 19:03:41 srv-s01 hitch[4006]: ww.xx.yy.zz:59418 :42926 12:13 backend
connected
Jan 30 19:03:54 srv-s01 hitch[4006]: {backend} Socket error: Connection reset
by peer
Jan 30 19:03:54 srv-s01 hitch[4006]: ww.xx.yy.zz:59413 :42924 10:11 proxy
shutdown req=SHUTDOWN_CLEAR
Jan 30 19:03:54 srv-s01 hitch[4006]: {backend} Socket error: Broken pipe
Jan 30 19:03:54 srv-s01 hitch[4006]: ww.xx.yy.zz:59413 :42924 10:11 proxy
shutdown req=SHUTDOWN_CLEAR
Jan 30 19:03:54 srv-s01 hitch[4006]: ww.xx.yy.zz:59478 :0 10:11 proxy connect
Jan 30 19:03:54 srv-s01 hitch[4006]: ww.xx.yy.zz:59478 :0 10:11 ssl handshake
start
Jan 30 19:03:54 srv-s01 hitch[4006]: ww.xx.yy.zz:59478 :0 10:11 ssl client
handshake revents=1
Jan 30 19:03:54 srv-s01 hitch[4006]: ww.xx.yy.zz:59478 :0 10:11 ssl client
handshake err=SSL_ERROR_WANT_READ
Jan 30 19:03:54 srv-s01 hitch[4006]: ww.xx.yy.zz:59478 :0 10:11 ssl client
handshake revents=1
Jan 30 19:03:54 srv-s01 hitch[4006]: ww.xx.yy.zz:59478 :0 10:11 NPN/ALPN
protocol: h2
Jan 30 19:03:54 srv-s01 hitch[4006]: ww.xx.yy.zz:59478 :0 10:11 ssl end
handshake
Jan 30 19:03:54 srv-s01 hitch[4006]: ww.xx.yy.zz:59478 :42970 10:11 backend
connected
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