Hi Gabor, I didn't check the network traffic, or name resolving, though both are quite fast
Both are running v5.10.0 i486-linux-gnu-thread-multi They are on different networks I don't think its a "name" collision, I agree the name DB is not a good choice :) tcpdump shows no name resolution occuring during the execution - so I don't think is the issue The DB package, connects to the mysql via socket, other packages I tried that are also slow, don't connect to mysql In any case, MySQL responds within milliseconds to a connection request, so I don't think this is the issue. On Tue, Sep 8, 2009 at 4:51 PM, Gabor Szabo <szab...@gmail.com> wrote: > 2009/9/8 Noam Rathaus <no...@beyondsecurity.com>: > > Hi, > > > > I have two machines, their hardware is not identical, but their > installation > > is. > > > > One is a 3 years old DELL server, while the other is a 1 year old server. > > > > One is running 2.6.26-2-686 while the other 2.6.30-1-686 > > > > What I am seeing is slow startup - emphasis on startup, the code works > fast > > once its running - of perl scripts > > > > Even the smallest perl script such as this: > > === > > #!/usr/bin/perl > > > > use lib '/usr/local/MySystem/lib'; > > > > use DB; > > > > === > > > > Take 7 seconds to start, in comparison to 0.030secods > > > > If I don't use the "use DB;" which my package > > > > It loads fast > > > > I am trying to figure out why, I checked the HD speeds via hdparam, the > > newer server is 1.5 times faster 103MB/sec > > > > I tried to see what libraries were being used, used strace, but I can't > see > > something "big" that is causing the delay. > > > > The "use DB;" can be replaced with any other "custom" library package I > > wrote, they all take 2-7 seconds to load, while on the other machine it > > takes negligible time > > > > Does someone have a "thread" to cling to? > > DB ? > Why would you call a package DB, that's the debugger back-end of Perl. > In any case I would rename those packages to something like > BeyondSecurity::DB > > Are there the same versions of Perl? > Maybe one of them is actually loading the Perl debugger ? > Though that should not be slow either. > > Have you checked for network activity while you are running the script? > > Maybe it is trying to connect somewhere and it is slower (or no > backward name resolving ?) > > Gabor > >
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