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Home > Archive > Perlbal > July 2007 > perlbal freezing on Redhat 9, Kernal 2.4.20-28.9
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perlbal freezing on Redhat 9, Kernal 2.4.20-28.9
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| Matthew Clark 2007-07-29, 7:11 pm |
| Hi - has anyone had problems running perlbal on Redhat 9, Kernal 2.4.20-28.9,
Perl version v5.8.5.
This is a fairly old box but we use it to test tools such as perlbal. We're
having some problems with perlbal freezing up and although it installed OK,
I'm wondering if there are any dependecies I should be aware of?
As well as locking up, we see the following output:
Undef client-ip (Perlbal::ClientProxy=ARRAY(0x87819e8)) in assign_client.
Closing. at lib/PerlBal/BackendHTTP.pm line 247.
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| Brad Fitzpatrick 2007-07-29, 7:11 pm |
| I wouldn't run Perlbal in production on Linux 2.4.x. You want epoll, or
you'll burn a lot of CPU with a lot of clients.
But that shouldn't matter for testing. What's strace -p <pid> say when
the process "hangs"?
On Sun, 29 Jul 2007, Matthew Clark wrote:
> Hi - has anyone had problems running perlbal on Redhat 9, Kernal 2.4.20-28.9,
> PERL version v5.8.5.
>
> This is a fairly old box but we use it to test tools such as perlbal. We're
> having some problems with perlbal freezing up and although it installed OK,
> I'm wondering if there are any dependecies I should be aware of?
>
> As well as locking up, we see the following output:
>
> Undef client-ip (Perlbal::ClientProxy=ARRAY(0x87819e8)) in assign_client.
> Closing. at lib/PerlBal/BackendHTTP.pm line 247.
>
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| Matthew Clark 2007-07-30, 7:11 am |
| That was good timing - we're having a spat of issues now. Perlbal has
frozen several times in the last few minutes and when I run the strace I
get:
read(17,
and that's all.. it hangs there.
On 30/07/07, Brad Fitzpatrick <brad@danga.com> wrote:
>
> I wouldn't run Perlbal in production on Linux 2.4.x. You want epoll, or
> you'll burn a lot of CPU with a lot of clients.
>
> But that shouldn't matter for testing. What's strace -p <pid> say when
> the process "hangs"?
>
>
> On Sun, 29 Jul 2007, Matthew Clark wrote:
>
> 2.4.20-28.9,
> perlbal. We're
> OK,
> assign_client.
>
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| Brad Fitzpatrick 2007-07-30, 1:11 pm |
| And what is fd 7? Run lsof -n -p <pid> and tell me what the 7th fd is
(will say "7u" or something)
On Mon, 30 Jul 2007, Matthew Clark wrote:
> That was good timing - we're having a spat of issues now. Perlbal has
> frozen several times in the last few minutes and when I run the strace I
> get:
>
> read(17,
>
> and that's all.. it hangs there.
>
>
> On 30/07/07, Brad Fitzpatrick <brad@danga.com> wrote:
>
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