Are the first three machines closing their connections correctly?

Duncan
--
Duncan Salada | Titan | www.titan.com/testeval
Email: [EMAIL PROTECTED] | Voice: 301-925-3222x375 | Fax: 301-925-3216

> -----Original Message-----
> From: Gabriel [mailto:[EMAIL PROTECTED]]
> Sent: Monday, March 25, 2002 3:07 PM
> To: [EMAIL PROTECTED]
> Subject: Strange query issues
> 
> 
> 
> Hello all.
> 
> For my first post to the list, I have a very strange problem. 
>  (And yes, 
> I have perused the archives.  I haven't found anything similar.)
> 
> Here's the situation:
> 
> I've got 6 machines that that make requests to a 7th machine, 
> which is 
> running mysql-3.23.47.  All the machines are FreeBSD 4.3-RELEASE.
> 
> Our example query is "SELECT id, username, domain FROM usermanagement 
> LIMIT 1000", id is a primary key, and both username and domain are 
> indexed.
> 
> The first three servers make the query in about 0.13 seconds. 
>  The last
> three take about 6.01 seconds to perform the query.
> 
> This has been consistant and repeatable.
> 
> All the machines are running the same client software.  They are all 
> connected to the server over a switch, with no routers 
> inbetween.  They 
> all are in the same subnet.  They are also all configured in the same 
> way - they are mail servers.  The load is balanced, and no server is 
> doing any significantly larger amount of processing than the others.
> 
> Can anyone suggest anything for me to try to fix this problem?
> 
> Many many thanks in advance,
> Gabriel.
> 
> 
> 
> -- 
> Gabriel Cain                          
> Unix Systems Administrator           [EMAIL PROTECTED]
> Dialup USA, Inc.                      888-460-2286 ext 208
> 
> 
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