[CentOS] slow Perl on CentOS 5

Akemi Yagi amyagi at gmail.com
Thu Aug 28 21:44:55 UTC 2008


On Thu, Aug 28, 2008 at 2:28 PM, Mark Pryor <tlviewer at yahoo.com> wrote:
> hello All,
>
> --- On Mon, 8/25/08, Florin Andrei <florin at andrei.myip.org> wrote:
>
>> From: Florin Andrei <florin at andrei.myip.org>
>> Subject: [CentOS] slow Perl on CentOS 5
>> To: "CentOS mailing list" <centos at centos.org>
>> Date: Monday, August 25, 2008, 1:30 PM
>> If your Perl apps are unusually slow on CentOS 5, have a
>> look at this blog:
>>
>> http://blog.vipul.net/2008/08/24/redhat-perl-what-a-tragedy/
>>
>> In a nutshell: some Perl apps are 100x slower on RedHat /
>> CentOS 5
>> compared to other distributions.
>>
>> Bugzilla entry:
>>
>> https://bugzilla.redhat.com/show_bug.cgi?id=379791
>
> ftp://download.fedora.redhat.com/pub/fedora/linux/updates/8/SRPMS/perl-5.8.8-40.fc8.src.rpm
>
> Using the above SRPM, I've updated perl on 2 LAMP boxes, i386 and multi-lib x86_64.
>
> The bless/overload bug is absent and perl is improved overall, especially any CPAN test code that uses the Test-Harness. I'm seeing approx. 25% speed increase in all the test suites.
>
> In case anyone else is looking for a quick solution to the bug in 5.8.8-10, I believe this is a good approach.
>
> The only gotcha is that the Fedora perl suite uses a separate perl-CPAN, while the RH suite includes it in core perl.
> --
> Mark

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Thanks,

Akemi


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