Re: swapiness

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Author: Michael
Date:  
To: Main PLUG discussion list
Subject: Re: swapiness
fyi: when I attempted to save it in gedit it gave me the permission denied
error.

On Tue, Mar 1, 2016 at 1:08 AM, Michael <> wrote:

> What am i doing incorrectly?
>
> $ sudo cat /proc/sys/vm/swappiness
> 60
> bmike1@MikesBeast ~ $ sudo cat 30>> /proc/sys/vm/swappiness
> bash: /proc/sys/vm/swappiness: Permission denied
> bmike1@MikesBeast ~ $ sudo gedit
> bmike1@MikesBeast ~ $ sudo gedit /proc/sys/vm/swappiness
>
> ** (gedit:10639): WARNING **: Hit unhandled case 13 (Error writing to
> file: Invalid argument) in parse_error.
>
> ** (gedit:10639): WARNING **: Hit unhandled case 13 (Error writing to
> file: Invalid argument) in parse_error.
> bmike1@MikesBeast ~ $ sudo cat >> /proc/sys/vm/swappiness<<eof
> > 1
> > eof
> bash: /proc/sys/vm/swappiness: Permission denied
> bmike1@MikesBeast ~ $ sudo cat >> /proc/sys/vm/swappiness<<eof
> 1
> eof
> ^C
> bmike1@MikesBeast ~ $ sudo cat /proc/sys/vm/swappiness
> 1
>
> WHATEVER! lol
>
> On Tue, Mar 1, 2016 at 12:43 AM, Michael <> wrote:
>
>> have a desktop. in any case I searched google this swapiness question and
>> here is what it says:
>>
>> "
>> After rebooting the swappiness is set to 10. This can be checked by
>> running the following command in a terminal: sudo cat
>> /proc/sys/vm/swappiness.
>> The swap tendency can have a value of 0 (fully off) to 100 (swap is
>> constantly used).
>> A workable and practical rule for changing the swappiness can be:
>> 1 GB or more RAM: 10
>> Less than 1 GB of RAM: 1
>> *Tip:*
>> Your computer has less than 512 MB ​​of RAM? Try to change the
>> swap tendency to 0 (zero). With lower amount of memory installed, this
>> might even give a better result then changing the swap tendency to 1.
>> "
>>
>> Why is 0 better than 1?
>>
>> On Tue, Mar 1, 2016 at 12:38 AM, Kevin Fries <>
>> wrote:
>>
>>> Linux is not Windows. Linux can, and will run without using swap if it
>>> can. Linux will remain RAM resident unless it has to. So, what they are
>>> telling you is this... If you don't need swap, don't define it.
>>>
>>> There is one exception to this rule, since you are using a laptop.
>>> There are two instant on technologies, sleep and hibernate. One of the
>>> will stash the state to RAM, the other to swap. I forget which is which.
>>> But if it needs to go to swap, you will need a swap file equal to RAM if
>>> you use that feature.
>>>
>>> Kevin
>>> On Feb 29, 2016 10:32 PM, "Michael" <> wrote:
>>>
>>>> swapiness=..... 0? Remember; I am computer-illiterate!
>>>>
>>>> On Mon, Feb 29, 2016 at 11:47 PM, Todd Millecam <>
>>>> wrote:
>>>>
>>>>> Disable swap. Never activate it on boot. If you start reaching oom
>>>>> conditions, turn it back on.
>>>>>
>>>>> On Mon, Feb 29, 2016 at 9:38 PM, Michael <> wrote:
>>>>>
>>>>>> What do you recommend you reduce swapiness to for machines that have
>>>>>> plenty of memory that will probably never be filled?
>>>>>>
>>>>>> --
>>>>>> :-)~MIKE~(-:
>>>>>>
>>>>>> ---------------------------------------------------
>>>>>> PLUG-discuss mailing list -
>>>>>> To subscribe, unsubscribe, or to change your mail settings:
>>>>>> http://lists.phxlinux.org/mailman/listinfo/plug-discuss
>>>>>>
>>>>>
>>>>>
>>>>>
>>>>> --
>>>>> Todd Millecam
>>>>>
>>>>> ---------------------------------------------------
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>>>>> http://lists.phxlinux.org/mailman/listinfo/plug-discuss
>>>>>
>>>>
>>>>
>>>>
>>>> --
>>>> :-)~MIKE~(-:
>>>>
>>>> ---------------------------------------------------
>>>> PLUG-discuss mailing list -
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>>>>
>>>
>>> ---------------------------------------------------
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>>>
>>
>>
>>
>> --
>> :-)~MIKE~(-:
>>
>
>
>
> --
> :-)~MIKE~(-:
>




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