Hi, Have you activated h2 support in Varnish? (it's not on by default)
Cheers, -- Guillaume Quintard On Thu, Jan 31, 2019 at 6:22 AM <[email protected]> wrote: > 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 > > > _______________________________________________ > varnish-misc mailing list > [email protected] > https://www.varnish-cache.org/lists/mailman/listinfo/varnish-misc >
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