Best way to use zram in Fedora 21?

Reindl Harald h.reindl at
Thu Nov 27 13:48:26 UTC 2014

Am 27.11.2014 um 14:25 schrieb Juan Orti:
> El 2014-11-27 11:24, Reindl Harald escribió:
>> Am 27.11.2014 um 11:15 schrieb Vratislav Podzimek:
>>> On Wed, 2014-11-26 at 16:27 -0500, Corey Sheldon wrote:
>>>> Juan no need    inst.zram=on on install   on first boot   modprobe
>>>> zram ;  systemctl start zram    voila   I use the default one in f21b
>>>> no issues
>>> For now. But the anaconda's zram.service is tailored to provide zram
>>> swap for the installation process. Future changes in it may make it
>>> unusable for general purpose usage on an installed system.
>>> So packaging something general-purpose it definitely the right way to
>>> go. Reindl's scripts look good to me, I'd just suggest adding a
>>> configuration option for setting the maximum RAM for the zram swap being
>>> created. It doesn't make much sense to use it on systems with e.g. 32
>>> GiB of RAM. That's by the way one of the tweaks the anaconda's version
>>> of the scripts+service has (hardcoded, though)
>> "my script" supports a "percent of total RAM config" which i don't
>> ship with the RPM because it's meant for internal usage (it's BTW a
>> result of Google around after face the zram module with new kernels,
>> took existing snippets from several sources, made them easier, fixed
>> some bugs and introduced the systemd-unit)
>> [root at mail-gw:~]$ cat /etc/sysconfig/zram
>> FACTOR=15
> Reindl, I'm of the opinion you should upload your scripts to some git
> repository and package them to be part of the distribution. I can
> co-maintain if you wish

feel free to package it!

that's why i attached it as i saw the topic
i am not a active packager on the Fedora infrastrcuture

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