Re: [Devil-linux-develop] systems with low memory

[Friedrich L. <fl...@fl...>]

Heiko Zuerker wrote on 06.09.2004 16:51 MET:
> Heiko Zuerker wrote:
> 
>> Hey guys,
>>
>> I was just thinking if we should modify all the tar commands we use in 
>> DL (save-config, init system) to work better on low memory systems.
>> According to 'man bunzip2' the '-s' parameter should help us, but will 
>> at least take twice as long.
>>
>> Without this modification, DL 1.2 will not run on 32 MB systems.
>>
>> What do you think? I think we should do it.
> 
> 
> 
> I just finished my testing and checked in the changes into the 1.2 tree. 
> 1.3 will come later, I have to finish first the test compile.
> 
> I didn't not add any intelligence to use he '-s' flag only on low memory 
> systems, since the performance impact is much less then I initially 
> thought.
> The archives are so small, that it doesn't take much longer to unpack 
> them. We still can add this if we have to, but I would suggest to wait 
> and see.
> Biggest impact was the removal of the clamav virus signatures and the 
> squidguard blacklists.
> 
> DL can now boot again with only 20 MB of RAM !
> I'm sure we could bring it down to 16, but that's not the goal of DL. So 
> the official minimum will be 32 MB.

Another hint for 32MB systems is to disable jailing for bind as that will save 
you about 12 MB of RAM which is "wasted" by the jail.

I had to do this to get 1.2RC1 working correctly with 32 MB.

-- 
MfG / Regards
Friedrich Lobenstock
____________________________________________________________________
Friedrich Lobenstock                       Linux Services Lobenstock
URL: http://www.lsl.at/                         Email: fl...@fl...
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