On 12/26/2017 09:19 PM, dan wrote:
I'm looking into using LEDE for providing virtual routers to my
customers (small wISP). I've used a mikrotik solution in the past,
but that isn't super friendly and hardware support in their more
powerful offerings is missing.
So, I'm looking at using LEDE+LuCI in a virtual configuration.
What is the minimum *comfortable* ram for a home router with
LEDE+LuCI? This would be on x86, virtualized most likely in docker or
LXC. The virtualized router would have 1 interface to a bridge on the
host, and one interface to a VLAN on another ethernet port.
I have a testing VM on x86-64 with Virtualbox, with luci installed and
only default services running.
I gave it 64 MB of RAM (which is the "recommended" amount for devices).
this is the available memory before I start luci
root@LEDE:~# free
total used free shared
buffers cached
Mem: 55352 20872 34480 72 1900 5276
-/+ buffers/cache: 13696 41656
Swap: 0 0 0
this is the available memory while luci is running
root@LEDE:~# free
total used free shared
buffers cached
Mem: 55352 22384 32968 132 2020 6320
-/+ buffers/cache: 14044 41308
Swap: 0 0 0
I have used LEDE on real hardware with 32 MB of RAM and while it works
fine , also luci works fine, they don't have much free memory for
anything else, even opkg calls to install packages can fail.
On actual devices with 64MB it's all fine, I can do anything I want on
my router with that.
Since you are running it as a VM you aren't bound to realistic RAM amounts,
you can probably save some space and choose something arbitrary like
45 MB of RAM and it should still be fine for a home router.
-Alberto
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