Source Tar Ball Installation

[Tom Schmitt]

Hi,

one questions to your numbers:

How (using what tool) do you measure the number of handshakes per second?

Tom.



-------- Original-Nachricht --------
> Datum: Mon, 2 Mar 2009 14:12:11 +0800
> Von: "T MANIKANDAN-PKXR74" <manikandan.t at motorola.com>
> An: "Users of ISC DHCP" <dhcp-users at lists.isc.org>
> Betreff: RE: Source Tar Ball Installation

> Hi ,
>  
>    To conclude this mail Chain, we have done the testing based on the
> recommendation we received from experts.
>  
> 1. To increase the Capacity performance of DHCP server
>      
>        disabling Ping-check, and writing the leases to ram disk increase
> the capacity approximately 25X (25 Times the normal Performance) , By
> dividing the 10.0/8 into various pools with max of 251 per pool you can
> achieve the 25 X capacity  performance.
>  
>  
> 2. To increase the Performance of service startup time 
>  
>       Increase the Hash table size for LEASE_HASH_SIZE  in
> /includes/dhcpd.h 
>  
>   Incase any of my understandings is to be changed or reviewed please
> mention your comments.
>  
>  
> Regards
> Mani
> 
> 
> ________________________________
> 
> From: T MANIKANDAN-PKXR74 
> Sent: Friday, February 27, 2009 10:05 AM
> To: 'Users of ISC DHCP'
> Subject: RE: Source Tar Ball Installation 
> 
> 
> Hi,
>  
>    The LEASE_HASH_SIZE parameter really improves the service startup
> time for my 10.0/8 network from 20 minutes to some seconds but I didn't
> see any improvement in the 5 way handshakes performance, this is my
> observation.
>  
>     and by implementing ping-check off and writing the leases to a ram
> disk instead of Hard disk betters the performance for 10.0/24 subnet
> around 2300 5 way handshakes per second and for 10.0/8 the performance
> remains the same around 92 five way handshakes per second.
>  
>   Is there a way to increase the performance when the subnet is 10.0/8
> why the performance is degrading ?? any help is appreciated. 
>  
> Thanks & Regards
> Mani
> 
>>  

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