Re: mod_perl with epoll

2010-12-04 Thread Xiao Lan
2010/12/5 Torsten Förtsch : > I rather think you are asking if an event driven or thread based MPM (like the > event-MPM) can improve your application. > Thanks Torsten. Yep, I did mean if the event driven MPM as event-MPM can improve the performance of modperl application. For threads I never u

mod_perl with epoll

2010-12-04 Thread Xiao Lan
Hi list, Apache 2.2 supports the epoll event driver. Does epoll have any performance improvement to mod_perl application? Thanks.

Re: How to pre-open files in apache's processes

2010-12-02 Thread Xiao Lan
2010/12/2 Torsten Förtsch : > On Thursday, December 02, 2010 14:26:36 Xiao Lan wrote: >> > But, looking at the module I think it can be slow because it relies >> > heavily on seek(). A better approach would be to mmap() the file. In >> > perl it would look then like a

Re: How to pre-open files in apache's processes

2010-12-02 Thread Xiao Lan
On Thu, Dec 2, 2010 at 9:39 PM, Hendrik Schumacher wrote: > > "In the perl file that holds your handler" means your perl package file. > Sounds more difficult as it was meant. The important thing is that the > variable has to be declared on package level, not inside a sub routine. > > AH thanks

Re: How to pre-open files in apache's processes

2010-12-02 Thread Xiao Lan
2010/12/2 Torsten Förtsch : > > But, looking at the module I think it can be slow because it relies heavily on > seek(). A better approach would be to mmap() the file. In perl it would look > then like a big string. My favourite tool for that is File::Map. > OK thanks for this info. I will take a

Re: How to pre-open files in apache's processes

2010-12-02 Thread Xiao Lan
On Thu, Dec 2, 2010 at 5:58 PM, Hendrik Schumacher wrote: > > In the perl file that holds your handler declare a variable on module level: > > my $qqwry = undef; > > In the handler instantiate the object if $qqwry is undefined: > > if (not $qqwry) > { >  $qqwry = IP::QQWry->new('QQWry.Dat'); > }

Re: How to pre-open files in apache's processes

2010-12-01 Thread Xiao Lan
On Thu, Dec 2, 2010 at 3:38 AM, Mithun Bhattacharya wrote: > Can you confirm the error you are encountering using your current method ? > > I would like to understand what you are trying to achieve by having a global > file handle - do you want to have modular code or does the content of the > f

How to pre-open files in apache's processes

2010-12-01 Thread Xiao Lan
Hello, I want to pre-open files in apache's processes. So every modperl handlers will use the file handle directly, instead of re-openning the files each time when the requesting is coming. Currently I do it with: package Fileopen; use strict; require Exporter; our @ISA = qw(Exporter); our @EXP