300 is not really a high value, actually. A busy system can handle far more threads per child process.
What would be more useful is to see the output from /server-status On Thu, 2 Jun 2022 at 12:33, Deepak Goel <deic...@gmail.com> wrote: > Looks like *ThreadsPerChild* is already high. What's your hardware > configuration and its usage (when the error starts showing) too? > > Deepak > "The greatness of a nation can be judged by the way its animals are > treated - Mahatma Gandhi" > > +91 73500 12833 > deic...@gmail.com > > Facebook: https://www.facebook.com/deicool > LinkedIn: www.linkedin.com/in/deicool > > "Plant a Tree, Go Green" > > Make In India : http://www.makeinindia.com/home > > > On Thu, Jun 2, 2022 at 9:35 PM Frank Gingras <thu...@apache.org> wrote: > >> Based on the error, increase ThreadsPerChild. >> >> You can also look at mod_ratelimit. >> >> On Thu, 2 Jun 2022 at 04:18, Rathore, Rajendra <rarath...@ptc.com> wrote: >> >>> Also seen below errors in error.log file >>> >>> >>> >>> [Thu Jun 02 12:04:38.863338 2022] [mpm_winnt:error] [pid 3488:tid 7984] >>> AH00326: Server ran out of threads to serve requests. Consider raising the >>> ThreadsPerChild setting >>> >>> >>> >>> [Thu Jun 02 12:10:28.135335 2022] [ssl:debug] [pid 628:tid 1452] >>> ssl_engine_io.c(1147): [client 10.85.41.123:34932] AH02001: Connection >>> closed to child 117 with standard shutdown (server >>> pwdcsv-wcump8d.ptcnet.ptc.com:443) >>> >>> [Thu Jun 02 12:10:28.136337 2022] [reqtimeout:info] [pid 628:tid 2324] >>> [client 10.85.41.123:34813] AH01382: Request header read timeout >>> >>> >>> >>> Thanks and Regards, >>> >>> Rajendra Rathore >>> >>> 9922701491 >>> >>> >>> >>> *From:* Rathore, Rajendra <rarath...@ptc.com> >>> *Sent:* Thursday, June 2, 2022 1:14 PM >>> *To:* users@httpd.apache.org >>> *Subject:* [users@httpd] RE: rate limit issues in Apache Http server >>> *Importance:* High >>> >>> >>> >>> *External email from: >>> users-return-121870-rarathore=ptc....@httpd.apache.org >>> <users-return-121870-rarathore=ptc....@httpd.apache.org>* >>> >>> Hi Team, >>> >>> >>> >>> Can you please suggest some Apache configuration settings to fix the >>> below issue. >>> >>> >>> >>> I have below configurations: >>> >>> >>> >>> <IfModule mpm_worker_module> >>> >>> StartServers 1 >>> >>> MinSpareThreads 151 >>> >>> MaxSpareThreads 300 >>> >>> ThreadsPerChild 300 >>> >>> ThreadLimit 300 >>> >>> MaxRequestWorkers 300 >>> >>> >>> >>> MaxConnectionsPerChild 0 >>> >>> </IfModule> >>> >>> >>> >>> <IfModule mpm_event_module> >>> >>> ### Provide alternate settings instead [PTC] >>> >>> StartServers 1 >>> >>> MinSpareThreads 151 >>> >>> MaxSpareThreads 300 >>> >>> ThreadsPerChild 300 >>> >>> ThreadLimit 300 >>> >>> MaxRequestWorkers 300 >>> >>> >>> >>> MaxConnectionsPerChild 0 >>> >>> </IfModule> >>> >>> >>> >>> <IfModule mpm_winnt_module> >>> >>> >>> >>> ThreadsPerChild 300 >>> >>> >>> >>> MaxConnectionsPerChild 0 >>> >>> </IfModule> >>> >>> >>> >>> Other timeout settings are defaults value, no changes. >>> >>> >>> >>> >>> >>> Thanks and Regards, >>> >>> Rajendra Rathore >>> >>> 9922701491 >>> >>> >>> >>> *From:* Rathore, Rajendra <rarath...@ptc.com> >>> *Sent:* Wednesday, June 1, 2022 3:36 PM >>> *To:* users@httpd.apache.org >>> *Subject:* [users@httpd] rate limit issues in Apache Http server >>> *Importance:* High >>> >>> >>> >>> *External email from: >>> users-return-121868-rarathore=ptc....@httpd.apache.org >>> <users-return-121868-rarathore=ptc....@httpd.apache.org>* >>> >>> Hi Team, >>> >>> >>> >>> We are facing rate limit issue in default Apache configuration, can you >>> please suggest some solutions around it? Is this statement correct that >>> OOTB apache can’t handle such situation, you need to rely on Firewall or >>> some 3rd party software for DOS prevention. >>> >>> >>> >>> Thanks and Regards, >>> >>> Rajendra Rathore >>> >>> 9922701491 >>> >>> >>> >>
