Re: Reducing the time for buildworld
On 3/6/2011 10:42 PM, Matthew Dillon wrote:
> I hesitate to ask how much memory was configured originally.
>
> Certain subsystems within the buildworld build eat a huge amount of
> memory. In particular, the GCC build within the buildworld has some
> huge and complex files which eat a lot of memory while running and a
> -j3 would potentially run three of those cc's simultaniously.
>
> I remember doing buildworlds on very old machines... with 256M of ram
> or less, and they would always bog down compiling gcc. Configuring a lot
> of swap and not using any make parallelism got the build through those
> files.
>
> In modern day machines have enough memory that it's easy to forget about
> build requirements, but we've seen people running VMs make the same
> mistake of configuring too little memory. If you are going to be running
> buildworlds I woulds say 512M is about the minimum that can be configured.
>
> And you should always configure outsized swap space, like a gigabyte or
> so, on VMs with low amounts of configured ram just so it can slog though
> the memory intensive bits.
>
> -Matt
Well that explains why i had to give the VM a 523 ram . And after the
'make buildworld' my virtual disk is almost full . Is there a way to
clean all these files after i 'make installworld' ?
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