Mark Phillips wrote:
> LOL.....Thanks to everyone for helping me do a better job of phrasing my
> question....;-) and for your good suggestions.
>
> I agree, one can always use more
> (clean) air
> FOOD
> BEER (wine for some)
> RAM, CPU,s, (but maybe not ROM)
>
> I should have said...."Given a miniscule budget with no extra cash laying
> around (other than in my pocket or the newspaper class teacher's pocket), I
> am faced with two options to spend money.
> A - $50/year for an additional 2GB of disk space, which is enough for the
> next year or so, and we need that disk space for articles and photos.
> B - $109/year for 8GB of additional disk space (don't need all that now, but
> will grow into it), 180 MB of RAM (do I really need it?) and additional
> bandwidth that I don't need."
> Both amounts are due up front - ie discounted over the normal monthly cost
> for up front payment and non-profit status.
>
> The minimum RAM requirement (from the documentation) for a Plone site is
> 512MB. But I have run many small sites on less and they work just fine. This
> one is a case in point.
>
> The results of free -t:
>
> total used free shared buffers cached
> Mem: 368836 363408 5428 0 24248 51712
> -/+ buffers/cache: 287448 81388
> Swap: 524280 47180 477100
> Total: 893116 410588 482528
>
> Can someone help me interpret these numbers? Based on "The "-/+
> buffers/cache:" line will tell you how much memory the system is
> taking because nobody else is using it." I would conclude that the OS (ie
> the "system") as opposed to the application is using most of the memory
> because it can, so the app is not being starved. But I can argue the other
> way as well, so I am a little lost.
>
> For what it is worth, Plone/Zope are Python beasts. Is there a way to see if
> any of the application is in swap versus RAM? The system does not have a
> noticeable lag when pages are accessed - it is not instantaneous, but faster
> than my Google apps account. ;-)
>
> Thanks!
>
> Mark
>
> On Thu, Jan 21, 2010 at 8:54 AM,
kitepilot@kitepilot.com <
>
kitepilot@kitepilot.com> wrote:
>
>> Do I need more air?
>> Do I need more FOOD?
>> Do I need MORE BEER!!!
>>
>> Give more, MORE, MOOOREEEE!!!!
>> Gawd, I need more Prozac too... :)
>>
>> You will never have too much memory, or extrapolating to aviation:
>> The only time I have too much fuel is when the airplane is on fire... ;-)
>>
>> top alone will only hand you part of the picture.
>> Try:
>> free -t
>> Look at the line:
>> -/+ buffers/cache: XXXX
>>
>> Memory is used by buffers that are there only for efficiency, but will be
>> returned to the system on demand. Sometimes very little used stuff will go
>> to swap, and adding memory will not really help anything (and it won't hurt
>> anything either, other than your checkbook)
>>
>> The "-/+ buffers/cache:" line will tell you how much memory the system is
>> taking because nobody else is using it.
>> YMMV...
>> ET
>>
>> PS: And that "airplane on fire" wisdom is not always true, but works for
>> novice pilots...
>> Or:
>> My job is not to teach how to fly.
>> My job is to help you stay alive while you learn... :)
>>
>>
>>
>>
>>
>> Mark Phillips writes:
>>
>>> I have a Zope/Plone 2.5 web site running on Debian on a Linode virtual
>> host.
>>> It has grown over the last few years, and now I need to add some more
>> disk
>>> space. The site is for a school newspaper, so from August - June,
>> students
>>> add news articles and photos.
>>>
>>> I was also looking at the output of top, and perhaps I need more RAM as
>>> well? Top shows I have only 5 MB free out of 368 MB of total RAM, but I
>> am
>>> only using 9% of my swap, so perhaps I don't need more RAM. The site does
>>> not seem slow.
>>>
>>> Tasks: 69 total, 1 running, 68 sleeping, 0 stopped, 0 zombie
>>> Cpu(s): 0.0%us, 0.0%sy, 0.0%ni,100.0%id, 0.0%wa, 0.0%hi, 0.0%si,
>>> 0.0%st
>>> Mem: 368836k total, 363364k used, 5472k free, 8316k buffers
>>> Swap: 524280k total, 46716k used, 477564k free, 67436k cached
>>>
>>> Thanks for any suggestions you may have.
>>>
>>> Mark
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>