Depending on your version of Tomcat it might be better to move to using mod_proxy_ajp or even switching to Tomcat's http listener and talking HTTP. > On Mar 2, 2017, at 1:55 AM, Jayaram Ponnusamy <jayaram.ponnusamy@xxxxxxxxx> wrote: > > Hi Jim & Jason, > > Yes We are planning to upgrade to httpd 2.4.25 (Stable Version). So, in the 2.4.25 also we should use mod_jk to connect with Tomcat or anyother better options are there? > Tomcat instances are running on different machines. > And mod_php is not configured. > Thanks > > > On Wed, Mar 1, 2017 at 9:19 PM, Jason Brooks <jason.brooks@xxxxxxxx> wrote: > Hello, > > You will also need to turn off mod_php if it’s loaded. > > —jason > > Jason Brooks Systems Administrator > eROI Performance is Art. > > m: 505 nw couch #300 w: eroi.com > t: 503.290.3105 f: 503.228.4249 > > > fb: fb.com/eROI > > > > > > > > >> On Mar 1, 2017, at 8:35 AM, Jim Jagielski <jim@xxxxxxxxxxx> wrote: >> >> If you can, I would upgrade to httpd 2.4.x... If you must >> stay w/ 2.2.x, then Worker might be more reliable for you >> than Event. >> >>> On Mar 1, 2017, at 9:56 AM, Jayaram Ponnusamy <jayaram.ponnusamy@xxxxxxxxx> wrote: >>> >>> Thanks Jim for the suggestion. >>> I will update >>> Timeout 5 >>> KeepAliveTimeout 2 >>> >>> We are using Apache 2.2.23 >>> We will try to install Event MPM and will check. >>> Thanks >>> Jay >>> >>> >>> >>> On Mar 1, 2017 5:05 PM, "Jim Jagielski" <jim@xxxxxxxxxxx> wrote: >>> You should not be using prefork unless you really, really need to. >>> >>> Assuming you are running 2.4.x, I would strongly suggest running >>> the Event MPM. >>> >>> Your Timeout and KeepAliveTimeout values are also way too big; >>> I'd recommend 5 and 2, respectively. >>> >>>> On Mar 1, 2017, at 4:19 AM, Jayaram Ponnusamy <jayaram.ponnusamy@xxxxxxxxx> wrote: >>>> >>>> Dear All, >>>> >>>> We are using 2 Apache & 2 Tomcat with LoadBalance. Everyday the site is goes down and restarting Apache & Tomcat only help to bring the site back. >>>> >>>> I could see below errors on WebServer's Error Log, when the "total children" count increased more than 200 then Apache is not responding. I have included my prefork configuration below. Kindly please help to resolve this issue. >>>> >>>> [Wed Mar 01 11:46:39 2017] [info] server seems busy, (you may need to increase StartServers, or Min/MaxSpareServers), spawning 8 children, there are 1 idle, and 464 total children >>>> [Wed Mar 01 11:47:25 2017] [info] server seems busy, (you may need to increase StartServers, or Min/MaxSpareServers), spawning 8 children, there are 0 idle, and 507 total children >>>> [Wed Mar 01 11:47:34 2017] [info] server seems busy, (you may need to increase StartServers, or Min/MaxSpareServers), spawning 8 children, there are 0 idle, and 522 total children >>>> [Wed Mar 01 11:47:35 2017] [info] server seems busy, (you may need to increase StartServers, or Min/MaxSpareServers), spawning 16 children, there are 3 idle, and 530 total children >>>> [Wed Mar 01 11:48:22 2017] [info] server seems busy, (you may need to increase StartServers, or Min/MaxSpareServers), spawning 8 children, there are 0 idle, and 578 total children >>>> [Wed Mar 01 11:48:23 2017] [info] server seems busy, (you may need to increase StartServers, or Min/MaxSpareServers), spawning 16 children, there are 0 idle, and 586 total children >>>> [Wed Mar 01 11:48:24 2017] [info] server seems busy, (you may need to increase StartServers, or Min/MaxSpareServers), spawning 32 children, there are 0 idle, and 602 total children >>>> [Wed Mar 01 11:48:25 2017] [info] server seems busy, (you may need to increase StartServers, or Min/MaxSpareServers), spawning 32 children, there are 0 idle, and 634 total children >>>> [Wed Mar 01 11:48:26 2017] [info] server seems busy, (you may need to increase StartServers, or Min/MaxSpareServers), spawning 32 children, there are 0 idle, and 666 total children >>>> [Wed Mar 01 11:48:27 2017] [info] server seems busy, (you may need to increase StartServers, or Min/MaxSpareServers), spawning 32 children, there are 0 idle, and 698 total children >>>> [Wed Mar 01 11:48:28 2017] [info] server seems busy, (you may need to increase StartServers, or Min/MaxSpareServers), spawning 32 children, there are 0 idle, and 730 total children >>>> [Wed Mar 01 11:48:29 2017] [info] server seems busy, (you may need to increase StartServers, or Min/MaxSpareServers), spawning 32 children, there are 0 idle, and 762 total children >>>> [Wed Mar 01 11:48:30 2017] [info] server seems busy, (you may need to increase StartServers, or Min/MaxSpareServers), spawning 32 children, there are 0 idle, and 794 total children >>>> [Wed Mar 01 11:48:31 2017] [info] server seems busy, (you may need to increase StartServers, or Min/MaxSpareServers), spawning 32 children, there are 0 idle, and 826 total children >>>> [Wed Mar 01 11:48:32 2017] [info] server seems busy, (you may need to increase StartServers, or Min/MaxSpareServers), spawning 32 children, there are 0 idle, and 858 total children >>>> [Wed Mar 01 11:48:33 2017] [info] server seems busy, (you may need to increase StartServers, or Min/MaxSpareServers), spawning 32 children, there are 0 idle, and 890 total children >>>> [Wed Mar 01 11:49:08 2017] [info] server seems busy, (you may need to increase StartServers, or Min/MaxSpareServers), spawning 8 children, there are 0 idle, and 944 total children >>>> [Wed Mar 01 11:49:09 2017] [info] server seems busy, (you may need to increase StartServers, or Min/MaxSpareServers), spawning 16 children, there are 2 idle, and 952 total children >>>> [Wed Mar 01 11:50:14 2017] [info] server seems busy, (you may need to increase StartServers, or Min/MaxSpareServers), spawning 8 children, there are 3 idle, and 934 total children >>>> >>>> >>>> mod_jk.log >>>> [Wed Mar 01 11:58:14 2017][24547:2663257856] [info] jk_open_socket::jk_connect.c (594): connect to 100.10.661.32:8009 failed (errno=110) >>>> [Wed Mar 01 11:58:14 2017][24547:2663257856] [info] ajp_connect_to_endpoint::jk_ajp_common.c (922): Failed opening socket to (100.10.661.32:8009) (errno=110) >>>> [Wed Mar 01 11:58:14 2017][24547:2663257856] [error] ajp_send_request::jk_ajp_common.c (1507): (live_svr) connecting to backend failed. Tomcat is probably not started or is listening on the wrong port (errno=110) >>>> [Wed Mar 01 11:58:14 2017][24547:2663257856] [info] ajp_service::jk_ajp_common.c (2447): (live_svr) sending request to tomcat failed (recoverable), because of error during request sending (attempt=1) >>>> [Wed Mar 01 11:58:14 2017][24318:2663257856] [info] jk_open_socket::jk_connect.c (594): connect to 100.10.661.32:8009 failed (errno=110) >>>> [Wed Mar 01 11:58:14 2017][24318:2663257856] [info] ajp_connect_to_endpoint::jk_ajp_common.c (922): Failed opening socket to (100.10.661.32:8009) (errno=110) >>>> [Wed Mar 01 11:58:14 2017][24318:2663257856] [error] ajp_send_request::jk_ajp_common.c (1507): (live_svr) connecting to backend failed. Tomcat is probably not started or is listening on the wrong port (errno=110) >>>> [Wed Mar 01 11:58:14 2017][24318:2663257856] [info] ajp_service::jk_ajp_common.c (2447): (live_svr) sending request to tomcat failed (recoverable), because of error during request sending (attempt=1) >>>> [Wed Mar 01 11:58:14 2017][24282:2663257856] [info] jk_open_socket::jk_connect.c (594): connect to 100.10.661.32:8009 failed (errno=110) >>>> ------------------------------------------------------------------------------- >>>> httpd.conf: >>>> KeepAlive On >>>> Timeout 300 >>>> MaxKeepAliveRequests 100 >>>> KeepAliveTimeout 15 >>>> >>>> <IfModule prefork.c> >>>> StartServers 80 >>>> ServerLimit 3500 >>>> MaxClients 3500 >>>> MaxRequestsPerChild 0 >>>> </IfModule> >>>> >>>> mod_jk.conf: >>>> <IfModule worker.c> >>>> StartServers 6 >>>> MaxClients 230 >>>> MinSpareThreads 75 >>>> MaxSpareThreads 150 >>>> ThreadsPerChild 25 >>>> MaxRequestsPerChild 0 >>>> </IfModule> >>>> >>>> Daily 20K Plus People will visit our sites. Kindly please provide the solution to resolve this issue. >>>> >>>> -- >>>> Thanks & Regards, >>>> >>>> Jayaram Ponnusamy >>>> >>> >>> >>> --------------------------------------------------------------------- >>> To unsubscribe, e-mail: users-unsubscribe@xxxxxxxxxxxxxxxx >>> For additional commands, e-mail: users-help@xxxxxxxxxxxxxxxx >>> >>> >> >> >> --------------------------------------------------------------------- >> To unsubscribe, e-mail: users-unsubscribe@xxxxxxxxxxxxxxxx >> For additional commands, e-mail: users-help@xxxxxxxxxxxxxxxx >> > > > > > -- > Thanks & Regards, > > Jayaram Ponnusamy > --------------------------------------------------------------------- To unsubscribe, e-mail: users-unsubscribe@xxxxxxxxxxxxxxxx For additional commands, e-mail: users-help@xxxxxxxxxxxxxxxx
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