what can be causes of http server crash?

Posted by mithunmo on Stack Overflow See other posts from Stack Overflow or by mithunmo
Published on 2010-03-13T02:33:14Z Indexed on 2010/03/13 2:37 UTC
Read the original article Hit count: 557

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Hello ,

I am using WAMP server on Windows XP. - Apache 2.2.11 - MySQL 5.1.36 (INNODB engine) - PHP 5.3.0

I observe that my WAMP server crashes in the following scenarios

1) IF I use a Low end PC ( low processor speed and low RAM) 2) After making some changes to httpd.conf file .For eg changing the Allow from IP address . But here it crashes only once and then it starts to work fine. 3) Random crashes

CRASH LOG
szAppName : httpd.exe     szAppVer : 2.2.11.0     szModName : php5ts.dll     
szModVer : 5.3.0.0     offset : 0000c309     


C:\DOCUME~1\blrcom\LOCALS~1\Temp\WERc677.dir00\httpd.exe.mdmp
C:\DOCUME~1\blrcom\LOCALS~1\Temp\WERc677.dir00\appcompat.txt

My questions

1) Does high CPU utilization/LOW RAM can also cause the HTTP server to crash ? 2) excessive file reading as in every 10 seconds ? 3) unlimited script execution time . I have set the maximum execution time in php script to 0 as my script has to execute for sometimes 2-3 days. Is there any way to avoid this ? 4) Access to Database ? Should we use lock before reading and writing

Can these be the reasons for random wamp server crashes ? OR is is some other programming error ? Please guide me .

Regards, Mithun

© Stack Overflow or respective owner

what can be causes of http server crash?

Posted by mithunmo on Server Fault See other posts from Server Fault or by mithunmo
Published on 2010-03-13T02:33:14Z Indexed on 2010/03/13 2:47 UTC
Read the original article Hit count: 557

Filed under:
|
|
|
|

Hello ,

I am using WAMP server on Windows XP.

  • Apache 2.2.11
  • MySQL 5.1.36 (INNODB engine)
  • PHP 5.3.0

I observe that my WAMP server crashes in the following scenarios

  1. IF I use a Low end PC ( low processor speed and low RAM)
  2. After making some changes to httpd.conf file .For eg changing the Allow from IP address . But here it crashes only once and then it starts to work fine.
  3. Random crashes

CRASH LOG

szAppName : httpd.exe     szAppVer : 2.2.11.0     szModName : php5ts.dll     
szModVer : 5.3.0.0     offset : 0000c309     


C:\DOCUME~1\blrcom\LOCALS~1\Temp\WERc677.dir00\httpd.exe.mdmp
C:\DOCUME~1\blrcom\LOCALS~1\Temp\WERc677.dir00\appcompat.txt

My questions

  1. Does high CPU utilization/LOW RAM can also cause the HTTP server to crash ?
  2. excessive file reading as in every 10 seconds ?
  3. unlimited script execution time . I have set the maximum execution time in php script to 0 as my script has to execute for sometimes 2-3 days. Is there any way to avoid this ?
  4. Access to Database ? Should we use lock before reading and writing

Can these be the reasons for random wamp server crashes ? OR is is some other programming error ? Please guide me .

Regards, Mithun

© Server Fault or respective owner

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