[mythtv-users] Memory needs

[Mike Carron]

Thanks all, that's just what I needed.

mike


On 10/18/2016 05:48 AM, Dan Wilga wrote:
> On 10/18/16 6:49 AM, Stuart Auchterlonie wrote:
>> On 18/10/16 10:32, Tim Draper wrote:
>>>
>>>
>>>   ---- On Tue, 18 Oct 2016 05:22:02 +0100 Mike Carron 
>>> <jmcarron at gmx.com> wrote ----
>>>   >            Is there a limit to the amount of memory a headless 
>>> myth backend can effectively use? Memory is cheap enough that 
>>> installing 16 or 32GB of RAM is not       prohibitive as long as it 
>>> is useful to have that much.
>>>   >      Thanks,
>>>   >      mike
>>>   >
>>> fwiw, my BE is on a general-use home server (console/terminal only 
>>> fedora23) so runs  a torrent client, file share, myth BE,  
>>> zoneminder, and owncloud. i seem to be runnning 6gb ram (i assume 
>>> 4gb & 2gb modules) and consumption after 70days uptime is 23%. 4 
>>> FE's where only 1 typically gets used at any one time.
>>> based on my loading, even 8gb would be a waste.
>>>
>>> that said, if i were using it as a VM host for a home lab, ram would 
>>> be goood!
>>>
>> Yeah, it mainly depends on "what else" you want to put on it.
>>
>> I have 8Gb ram on my backend, and it's running both a production
>> instance (0.28-fixes) and a development instance (master) and
>> still have ~6Gb free memory.
>>
>> Most of the memory ends up being used by the buffer cache.
> Also, keep in mind that the more memory you have, the more power it 
> will draw and the more heat it will generate. These are pretty much 
> constants which do not vary depending on how much RAM is being used.
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