[Arm-dev] Using zram-swap

Robert Moskowitz rgm at htt-consult.com
Fri Oct 12 15:46:56 UTC 2018

I have been working with Mark Verlinde, well actually he did the heavy 
lifting, to port zram to Centos...


A few of us are actively using it.

Give it a try yourselves!

As it is noarch, it should work on all Centos7 arch.

On 10/7/18 1:06 PM, Robert Moskowitz wrote:
> On 10/7/18 11:57 AM, Pablo Sebastián Greco wrote:
>> Too many questions together... ;-)
>> El 7/10/18 a las 08:58, Robert Moskowitz escribió:
>>> I have very recently learned about zram-swap.  Fedora-29-arm is 
>>> using it.  It supposedly makes a considerable difference even over 
>>> HD swap.
>> Do you have a link for me to read about that? I'd like to see some 
>> numbers on performance, specially on the CPU, because small ARM 
>> devices are not exactly fast to compress.
> You could ask on the Fedora-arm list where Peter Robinson (I believe 
> he is part of the Fedora development with heavy presence in the arm 
> work) recently explained, kind of, how F29-arm is using it.
>>> Since many (potential) users of Centos-arm do not have a ready HD, 
>>> perhaps we can switch the image from a physical partition to zram? 
>>> Or at least instructions to change to this on the wiki.
>> Switch might be difficult, but maybe generate a "tech preview" 
>> alternative build.
>> This is the link to how we create the images, maybe  you could send 
>> me some changes to test 
>> https://github.com/CentOS/sig-core-AltArch/tree/master/image_build
> Minimally in the wiki, how to switch from a partition swap to zram. I 
> am working on learning more about it...
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