I have installed Havp+clamav+squid on Centos4.4
but it's too slow.
how do I increase performance?
if I use trend replace clamav,what should I do?
TKS.
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| Author: | shanya [ 24 Oct 2007 09:45 ] |
| Post subject: | havp performance Issue |
I have installed Havp+clamav+squid on Centos4.4 but it's too slow. how do I increase performance? if I use trend replace clamav,what should I do? TKS.
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| Author: | hege [ 25 Oct 2007 08:11 ] |
| Post subject: | |
You need to tell us more about your config. Hardware, users, config? How else to know what's wrong 
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| Author: | butz [ 26 Oct 2007 18:42 ] |
| Post subject: | |
I had same environment,havp 0.86 is stable and fast , use CENTOS 4.4 without any problem and performance issue. Here is my suggestion 1. reduce havp process , depend on how much memory and how many scanner you used. Total memory = max server process * pattern size 2. use Trophie or Clamavlib scanner get better performance , especailly you don't need to pre-fork process and pattern file load direct by havp process. 3. use clamavlib instead of clamd , no need to pre-fork clamav process. 4. clamav provide a useful function to block (broken exe and encrypted archive) beside this , use sanwich architect to boost performance Internet <-> Squid A <-> havp <-> Squid B <-> client get better performance , but you need to take care what virus store in cache of Squid B or safe one Internet <-> Squid A <-> havp <-> client |
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| Author: | uvizhe [ 31 Oct 2007 08:55 ] |
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Quote: Total memory = max server process * pattern size
What is "pattern size"? |
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| Author: | hege [ 31 Oct 2007 09:18 ] |
| Post subject: | |
The pattern size doesn't really matter. It is loaded before childs are created, so they all share it in memory. It's more like processes * 10MB that the scanning uses. |
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| Author: | shanya [ 12 Nov 2007 06:35 ] |
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Very sorry for I'm come back too later I Only have 256MB RAM intel(R) Celeron(R) CPU 2.66GHz
main config: SERVERNUMBER 15 MAXSERVERS 100 LOG_OKS false SCANIMAGES false ENABLECLAMLIB true CLAMDBDIR /var/lib/clamav 50 users to butz. I use Internet <-> Squid A <-> havp <-> client architect .still too slow Hardware issue?? |
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| Author: | hege [ 12 Nov 2007 08:31 ] |
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You need to set MAXSERVERS to 15 too. Maybe 10 servers or less is more realistically. Ofcourse it's near impossible to run any other programs with 256MB. Also make sure TEMPDIR points to a tmpfs/ramdisk and not to a slow HD. It just might give a small edge even if you are running out of memory. |
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