Re: CPU usage!

[Wes Young <wcyoung () buffalo edu>]

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Whenever you use ACID (and or Base at this point) everytime you load a
page, it caches all the recent alerts from your SnortDB to the
Acid_alert cache  table. Something that I found speeds up the process is
a simple perl script or cronjob that queries the main webpage every X
min's to trigger this. (# update the Base alert cache
* * * * * root curl https://localhost/base_main.php -k >& /dev/null
)

helps for when you don't use acid/base for a while, keeps your alert
cache up to date for when you use it again (thus spreading out that 90%
load you see over the period in which you dont use acid/base).

mahboobeh soleimani wrote:
> Hi there.
>  
> I recently have installed Snort and ACID on a system which its
> specifications are listed bellow:
>  1. 512 M RAM
> 2. 100 GIG hard disk (IDE)
> 3. CPU 2.40GHz
>  
> and when I try to bring ACID up for the first time the CPU usage of
> system goes to more than 90% and on the other hand when I send a request
> (by using ACID) the CPU usage of my system goes to more that 90% too.
> I installed Snort and ACID and database all on this system and no more
> server I am using (something like DB server). Sensor sniffs at most 3
> Mbit/sec (by using a monitor port) and I use mysql for saving the alerts
> in a database.
> Do you think my problem is due to the hardware which I am using?
>  
> thanks in advance.
>  
> M.S.
>
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