Re: [PATCH] IPVS: Allow boot time change of hash size.

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From: Joseph Mack NA3T

Subject: Re: [PATCH] IPVS: Allow boot time change of hash size.

Date: Thursday, November 27, 2008 - 8:58 am

On Wed, 26 Nov 2008, Catalin(ux) M. BOIE wrote:

quoted text>> Why do you need to change the hash size? We really don't
>> recommend anyone do this under normal circumstances
>
> As it is written in the help, to lower the collisions in 
> the case of a lot of concurrent connections. Or am I 
> missing something?

not sure how big the collision problem is (have you measured 
an effect?) but Ratz put out the results of a back of the 
envelope calculation that the current value for the hash 
table size would work on the currect fastest machines with 
3G of memory

Joe

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Messages in current thread:

[PATCH] IPVS: Allow boot time change of hash size., Catalin(ux) M. BOIE, (Wed Nov 26, 6:36 am)

Re: [PATCH] IPVS: Allow boot time change of hash size., Joseph Mack NA3T, (Wed Nov 26, 7:40 am)

Re: [PATCH] IPVS: Allow boot time change of hash size., David Miller, (Wed Nov 26, 4:27 pm)

Re: [PATCH] IPVS: Allow boot time change of hash size., Catalin(ux) M. BOIE, (Wed Nov 26, 11:58 pm)

Re: [PATCH] IPVS: Allow boot time change of hash size., Catalin(ux) M. BOIE, (Thu Nov 27, 12:05 am)

Re: [PATCH] IPVS: Allow boot time change of hash size., David Miller, (Thu Nov 27, 12:37 am)

Re: [PATCH] IPVS: Allow boot time change of hash size., Joseph Mack NA3T, (Thu Nov 27, 8:58 am)

Re: [PATCH] IPVS: Allow boot time change of hash size., Catalin(ux) M. BOIE, (Fri Nov 28, 1:49 am)

Re: [PATCH] IPVS: Allow boot time change of hash size., Joseph Mack NA3T, (Fri Nov 28, 7:55 am)

Re: [PATCH] IPVS: Allow boot time change of hash size., Catalin(ux) M. BOIE, (Tue Dec 2, 8:34 am)

Re: [PATCH] IPVS: Allow boot time change of hash size., David Miller, (Tue Dec 2, 3:51 pm)

Re: [PATCH] IPVS: Allow boot time change of hash size., Catalin(ux) M. BOIE, (Tue Dec 2, 4:16 pm)

Re: [PATCH] IPVS: Allow boot time change of hash size., David Miller, (Tue Dec 2, 5:37 pm)

Re: [PATCH] IPVS: Allow boot time change of hash size., Graeme Fowler, (Wed Dec 3, 2:11 pm)