2012/11/16 Jeff Trawick <trawick@xxxxxxxxx>: > On Fri, Nov 16, 2012 at 9:19 AM, Jeff Trawick <trawick@xxxxxxxxx> wrote: >> On Thu, Nov 15, 2012 at 5:43 PM, Lazy <lazy404@xxxxxxxxx> wrote: >>> >>> Hi, >>> >>> we are using httpd 2.4.3 with php 5.4 running fpm mode. >>> >>> requests are passed to fpm using ProxyPassMatch. Everything works fine >>> except, >>> >>> Sometimes database data gets corrupted. All of the data was visible in >>> the form, but it gets truncated after ajax request commiting changes >>> gets aborted (shows as aborted in firebug). >>> >>> in the access log: >>> 80.5.x.x - - [15/Nov/2012:14:03:43 +0100] "POST >>> /xxx,action,pollb,id,958.html HTTP/1.1" 503 299 >>> "https://xxx,action,pollb,id,958.html"; "Mozilla/5.0 (Windows NT 6.1; >>> WOW64; rv:14.0) Gecko/20100101 Firefox/14.0.1" >>> >>> in the error log: >>> [Thu Nov 15 14:04:03.140026 2012] [proxy_fcgi:error] [pid 15633:tid >>> 140459279939328] (104)Connection reset by peer: [client >>> 80.5.x.x:34541] AH01075: Error dispatching request to :, referer: >>> https://xxx,action,pollb,id,958.html >>> >>> There is haproxy and varnish before httpd, it is also doing ssl. >>> 80.5.x.x is remote clients ip (we are using mod_remoteip). >>> >>> What does the error code exactly mean ? Our client (haproxy) reset ed >>> the connection ? Or was it php ? >> >> >> PHP dropped the connection. >> >> By chance is PHP_FCGI_MAX_REQUESTS set somewhere for the PHP process? In >> the old days it defaulted to 500 (exit after 500 requests), which led to >> exactly this scenario, but with php-fpm it defaults to 0 (don't exit). > > > whoops, the analogous php-fpm setting is pm.max_requests this is set to 0, and It happens everytime when connection is aborted this is the communication betwean apache and php-fpm, when client aborted the connection (haporxy or telnet) 00:44:35.298623 IP 127.0.0.1.55765 > 127.0.0.1.9000: Flags [S], seq 1371227382, win 32792, options [mss 16396,sackOK,TS val 74917062 ecr 0,nop,wscale 7], length 0 00:44:35.298632 IP 127.0.0.1.9000 > 127.0.0.1.55765: Flags [S.], seq 2312853950, ack 1371227383, win 32768, options [mss 16396,sackOK,TS val 74917062 ecr 74917062,nop,wscale 7], length 0 00:44:35.298637 IP 127.0.0.1.55765 > 127.0.0.1.9000: Flags [.], ack 1, win 257, options [nop,nop,TS val 74917062 ecr 74917062], length 0 00:44:35.298655 IP 127.0.0.1.55765 > 127.0.0.1.9000: Flags [P.], seq 1:17, ack 1, win 257, options [nop,nop,TS val 74917062 ecr 74917062], length 16 00:44:35.298661 IP 127.0.0.1.9000 > 127.0.0.1.55765: Flags [.], ack 17, win 256, options [nop,nop,TS val 74917062 ecr 74917062], length 0 00:44:35.298696 IP 127.0.0.1.55765 > 127.0.0.1.9000: Flags [P.], seq 17:1706, ack 1, win 257, options [nop,nop,TS val 74917062 ecr 74917062], length 1689 00:44:35.298704 IP 127.0.0.1.9000 > 127.0.0.1.55765: Flags [.], ack 1706, win 256, options [nop,nop,TS val 74917062 ecr 74917062], length 0 00:44:35.298711 IP 127.0.0.1.55765 > 127.0.0.1.9000: Flags [P.], seq 1706:1714, ack 1, win 257, options [nop,nop,TS val 74917062 ecr 74917062], length 8 00:44:35.298716 IP 127.0.0.1.9000 > 127.0.0.1.55765: Flags [.], ack 1714, win 256, options [nop,nop,TS val 74917062 ecr 74917062], length 0 00:44:35.298737 IP 127.0.0.1.55765 > 127.0.0.1.9000: Flags [P.], seq 1714:9028, ack 1, win 257, options [nop,nop,TS val 74917062 ecr 74917062], length 7314 00:44:35.298745 IP 127.0.0.1.9000 > 127.0.0.1.55765: Flags [.], ack 9028, win 256, options [nop,nop,TS val 74917062 ecr 74917062], length 0 00:44:55.428420 IP 127.0.0.1.55765 > 127.0.0.1.9000: Flags [F.], seq 9028, ack 1, win 257, options [nop,nop,TS val 74922094 ecr 74917062], length 0 00:44:55.466463 IP 127.0.0.1.9000 > 127.0.0.1.55765: Flags [.], ack 9029, win 256, options [nop,nop,TS val 74922104 ecr 74922094], length 0 00:44:55.623301 IP 127.0.0.1.9000 > 127.0.0.1.55765: Flags [P.], seq 1:233, ack 9029, win 256, options [nop,nop,TS val 74922143 ecr 74922094], length 232 00:44:55.623322 IP 127.0.0.1.55765 > 127.0.0.1.9000: Flags [R], seq 1371236411, win 0, length 0 when I send POST /p.php HTTP/1.1 Host: test User-Agent: HTTPTool/1.0 Content-Type: application/x-www-form-urlencoded Content-Length: 500 home=C&favoriteaflavor=fli and close the connection on mod_fcgid php 5.2 the php script is not executed, ond mod_proxy_fcgi with php 5.4, script is executed with empty post data Regards, Michal Grzedzicki --------------------------------------------------------------------- To unsubscribe, e-mail: users-unsubscribe@xxxxxxxxxxxxxxxx For additional commands, e-mail: users-help@xxxxxxxxxxxxxxxx
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