[DRE-maint] Bug#887085: support libjemalloc usage for better memory usage

[Pirate Praveen]

On Fri, Sep 11, 2020 at 14:04, Pirate Praveen 
<praveen at onenetbeyond.org> wrote:
> Include this change in systemd units too 
> https://github.com/diaspora/diaspora/pull/7919

I think setting LD_PRELOAD in diaspora.conf to
 /usr/lib/$(dpkg-architecture -q DEB_HOST_GNU_TYPE)/libjemalloc.so.2 
should be enough (but we should evalauate this in postinst and set the 
value)