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[Assp-test] SMTP Timeout Problem
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From: Maxwell R. <mra...@sa...> - 2008-08-20 15:57:10
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Description: Long delay, or no answer at all when telnet'ing to port 25 (ASSP). Performing a telnet to port 125 has the mail server answer immediately. This is a very troublesome problem as it is not only causing our monitoring system to go crazy, but it is causing customers to get upset as they cannot connect to the mail server to send mail. It is worth noting that the mail server itself is working great and answers to port 125 immediately. It is ASSP that is causing the delay. At this point in time, the assp.pl process is utilizing 55.7% of the systems total memory(2GB) and that appears to be rising the longer it is running. This may be the cause of the delay, or possibly a symptom of the greater problem. ------------------------------------------------------------------------------------------- Server Information: OS & Perl Information: [root@mail assp]# cat /etc/redhat-release CentOS release 5.2 (Final) [root@mail assp]# rpm -qa | grep kernel- kernel-2.6.18-53.1.21.el5 [root@mail assp]# rpm -qa | grep perl-5 perl-5.8.8-10.el5_2.3 *snippet of log* Aug 20 11:52:46 mail assp[22178]: [Main_Thread] Info: Main_Thread got connection request Aug 20 11:52:46 mail assp[22178]: [Worker_2] info: Worker_2 is interrupted to get new connection Aug 20 11:52:46 mail assp[22178]: [Worker_2] Info: Worker_2 got connection from MainThread Aug 20 11:52:46 mail assp[22178]: [Main_Thread] Info: Main_Thread freed by interrupted Worker_2 Aug 20 11:52:46 mail assp[22178]: [Main_Thread] Info: Main_Thread got connection request Aug 20 11:52:46 mail assp[22178]: [Worker_4] Info: Worker_4 is interrupted to get new connection Aug 20 11:52:46 mail assp[22178]: [Worker_4] Info: Worker_4 got connection from MainThread Aug 20 11:52:46 mail assp[22178]: [Main_Thread] Info: Main_Thread freed by interrupted Worker_4 Aug 20 11:52:46 mail assp[22178]: [Main_Thread] Info: Main_Thread got connection request Aug 20 11:52:46 mail assp[22178]: [Worker_4] Info: Worker_4 is interrupted to get new connection Aug 20 11:52:46 mail assp[22178]: 47560-04105 [Worker_5] 119.112.90.59 <wgk...@ma...> to: co...@gr... recipient delayed: co...@gr... Aug 20 11:52:46 mail assp[22178]: 47560-04105 [Worker_5] [SMTP Error] 451 4.7.1 Please try again later Aug 20 11:52:46 mail assp[22178]: [Worker_5] Eb...@md... matches @mdrg.com in LocalAddresses_Flat Aug 20 11:52:46 mail assp[22178]: [Worker_4] Info: Worker_4 got connection from MainThread Aug 20 11:52:46 mail assp[22178]: [Main_Thread] Info: Main_Thread freed by interrupted Worker_4 Aug 20 11:52:46 mail assp[22178]: 47564-07162 [Worker_1] 195.18.33.8 <omc...@br...> to: ba...@gr... recipient delayed: ba...@gr... Aug 20 11:52:46 mail assp[22178]: 47564-07162 [Worker_1] [SMTP Error] 451 4.7.1 Please try again later Aug 20 11:52:46 mail assp[22178]: [Main_Thread] Info: Main_Thread got connection request Aug 20 11:52:46 mail assp[22178]: [Worker_2] Info: Worker_2 is interrupted to get new connection Aug 20 11:52:46 mail assp[22178]: [Worker_2] Info: Worker_2 got connection from MainThread Aug 20 11:52:46 mail assp[22178]: [Main_Thread] Info: Main_Thread freed by interrupted Worker_2 Aug 20 11:52:46 mail assp[22178]: [Main_Thread] Info: Main_Thread got connection request Aug 20 11:52:46 mail assp[22178]: 47564-04711 [Worker_3] 201.25.88.190 <nic...@co...> to: o.m...@pm... recipient delayed: o.m...@pm... Aug 20 11:52:46 mail assp[22178]: 47564-04711 [Worker_3] [SMTP Error] 451 4.7.1 Please try again later Aug 20 11:52:46 mail assp[22178]: [Worker_2] Ws...@me... matches @mega-properties.com in LocalAddresses_Flat Aug 20 11:52:47 mail assp[22178]: 47566-10548 [Worker_2] 66.227.102.59 <Loo...@ho...> to: ws...@me... recipient delayed: ws...@me... Aug 20 11:52:47 mail assp[22178]: 47566-10548 [Worker_2] [SMTP Error] 451 4.7.1 Please try again later Aug 20 11:52:47 mail assp[22178]: [Worker_5] eb...@md... matches @mdrg.com in LocalAddresses_Flat Aug 20 11:52:47 mail assp[22178]: [Worker_1] Info: Worker_1 is interrupted to get new connection Aug 20 11:52:47 mail assp[22178]: [Worker_1] Info: Worker_1 got connection from MainThread Aug 20 11:52:47 mail assp[22178]: [Main_Thread] Info: Main_Thread freed by interrupted Worker_1 Aug 20 11:52:47 mail assp[22178]: [Main_Thread] Info: Main_Thread got connection request Max |