Subject | Re: [firebird-support] Occasional unexplained Slow down |
---|---|
Author | Thomas Steinmaurer |
Post date | 2011-06-06T11:57:32Z |
> I have a site that experiences occasional unexplained slow downs.Is there a second NIC in the server?
>
> Running a backup/restore into a new FDB file makes no significant improvement.
>
> When it's slow, both the CPU usage and memory look OK.
>
> I wouldn't say it's running a sweep, as CPU usage is low, and a freshly restored database is still slow.
>
> I wouldn't say it's a stuck transaction, as a restore doesn't help.
>
> The server is dedicated to our application, and they swear there is nothing running a scan, that would account for the hard drive being the bottleneck.
>
> I am guessing it might be something to do with their network card.
>
> They have an HP Gigabit Server Adapter network card on their server, but some of their clients still only have 100 base network cards.
--
With regards,
Thomas Steinmaurer
Upscene Productions
http://www.upscene.com
http://blog.upscene.com/thomas/
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