Re: MasonHQ node caching, and other bugs

On Mon, 11 Apr 2005, Jonathan Swartz wrote:

>> 2) Slowness, internal server error.
>>
>> Starting up apache takes a lot of time. And new instances have to be
>> spawned often, so the site is generally pretty slow. Keeping
>>
>>    MaxRequestsPerChild 10
>>
>> in conf/httpd-prod.conf.src generally works, but is slow. Increasing the
>> number results in frequent internal server errors.
>
> Internal server errors should be matched with errors in the logs...what are
> the errors?

The errors look like this:

[Tue Apr 19 07:26:16 2005] [error] DBD::mysql::st execute failed: Lost 
connection to MySQL server during query at 
/apps/wiki/lib/perl5/site_perl/5.8.5/Apache/Session/Store/DBI.pm line 
44.\n\t(in cleanup) DBD::mysql::st execute failed: Duplicate entry 
'6999c10a696d59be3b538a69c8672d67' for key 1 at 
/apps/wiki/lib/perl5/site_perl/5.8.5/Apache/Session/Store/DBI.pm line 
44.\n\nStack:\n 
[/apps/wiki/lib/perl5/site_perl/5.8.5/HTML/Mason/ApacheHandler.pm:880]\n 
[/apps/wiki/lib/perl5/site_perl/5.8.5/HTML/Mason/ApacheHandler.pm:789]\n 
[/apps/wiki/masonhq/conf/handler-prod.pl:33]\n  [/dev/null:0]\n
[Tue Apr 19 07:26:16 2005] [error] DBD::mysql::st execute failed: Lost 
connection to MySQL server during query at 
/apps/wiki/lib/perl5/site_perl/5.8.5/Apache/Session/Store/DBI.pm line 
44.\n\t(in cleanup) DBD::mysql::st execute failed: Duplicate entry 
'6d5a07abc5b0e4c73f1d31f9d39d4974' for key 1 at 
/apps/wiki/lib/perl5/site_perl/5.8.5/Apache/Session/Store/DBI.pm line 
44.\n\nStack:\n 
[/apps/wiki/lib/perl5/site_perl/5.8.5/HTML/Mason/ApacheHandler.pm:880]\n 
[/apps/wiki/lib/perl5/site_perl/5.8.5/HTML/Mason/ApacheHandler.pm:789]\n 
[/apps/wiki/masonhq/conf/handler-prod.pl:33]\n  [/dev/null:0]\n
         (in cleanup) Can't call method "release_all_locks" on an undefined 
value at /apps/wiki/lib/perl5/site_perl/5.8.5/Apache/Session.pm line 614 
during global destruction.
         (in cleanup) Can't call method "FETCH" on an undefined value at 
/apps/wiki/lib/perl5/site_perl/5.8.5/Apache/Session/Wrapper.pm line 664 
during global destruction.
         (in cleanup) Can't call method "release_all_locks" on an undefined 
value at /apps/wiki/lib/perl5/site_perl/5.8.5/Apache/Session.pm line 614 
during global destruction.
         (in cleanup) Can't call method "update" on an undefined value at 
/apps/wiki/lib/perl5/site_perl/5.8.5/Apache/Session.pm line 523 during 
global destruction.
         (in cleanup) Can't call method "FETCH" on an undefined value at 
/apps/wiki/lib/perl5/site_perl/5.8.5/Apache/Session/Wrapper.pm line 664 
during global destruction.
         (in cleanup) Can't call method "update" on an undefined value at 
/apps/wiki/lib/perl5/site_perl/5.8.5/Apache/Session.pm line 523 during 
global destruction.
         (in cleanup) Can't call method "update" on an undefined value at 
/apps/wiki/lib/perl5/site_perl/5.8.5/Apache/Session.pm line 523 during 
global destruction.



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