Re: Pen goes extremely slow occasionally

From: Chris St. Pierre <stpierre_at_NebrWesleyan.edu>
Date: Tue, 18 Nov 2008 12:19:22 -0600 (CST)

Anyone have any ideas on this? I can't get this resolved soon, I'll
have to abandon Pen, which I really don't want to do.

Chris St. Pierre
Unix Systems Administrator
Nebraska Wesleyan University

On Wed, 5 Nov 2008, Chris St. Pierre wrote:

> On Wed, 5 Nov 2008, Chris St. Pierre wrote:
>
>> As we've seen, this happens with _very_ low numbers of connections --
>> under 100. What could be causing these problems?
>
> I wanted to quantify, so I wrote a couple quick one-liners that would
> check the number of open connections to pen, and record the time it
> took a simple LDAP query to complete.
>
> 0-4 0.0950588235294117
> 5-10 0.0586497005988023
> 11-15 0.0905162907268172
> 16-20 0.262059210526316
> 21-25 0.433547619047619
> 26-30 0.932710526315789
> 31-35 5.503
> 36-40 10.194
> 41-45 15.3785
> 46-50 13.512
> 51-60 24.6216666666667
> 61-70 40.34025
> 71-75 35.605
> 76-80 39.433
> 81-85 54.06
> 85-90 42.2175
>
> Some of the upper reaches have only a handful of samples, thus
> accounting for the variability.
>
> Chris St. Pierre
> Unix Systems Administrator
> Nebraska Wesleyan University
>
>
Received on Tue Nov 18 2008 - 19:19:24 CET

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