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Re: newbie needs some help with setup


From: Ole Tange
Subject: Re: newbie needs some help with setup
Date: Sat, 7 Mar 2015 18:46:08 +0100

On Wed, Mar 4, 2015 at 11:51 AM, Chris <address@hidden> wrote:

> - GOAL:  launch the php scripts in parallel on a single core, and remain
> below 10% CPU (AWS Free Tier) and below 1GB RAM utilization.
>
> My question is, what are the appropriate options to suit that goal?   Based
> on the docs, this is what I'm guessing.   Please give your opinion!:
>
> # parallel \
>     --max-procs N \

>     --semaphore \

No: --semaphore is used for 'sem'.

>     --load 0.1 \              # not sure if this is for CPU or RAM, assume
> CPU.  Need to "wait until CPU <= 9%" before launching next process

Yep.

>     --memfree size \    # useful?

--memfree 100M

>     --noswap \              # we do have a swap file, but performance is
> very slow

By using --memfree then --noswap should never have anyy effect.

>    -a file_list.sh


/Ole



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