How much RAM for Full Internet tables

Mehdi Rukmawan rukmawans at gmail.com
Mon Sep 7 05:07:56 CEST 2020


Thanks James,

Looks like I found the issue.

this machine is also running alice-lg and birdwatcher.
they consuming a lot of memory when bird-lg and alice-lg+birdwatcher all
running.

so i test to disable them

birdc show route table master count
BIRD 1.6.3 ready.
822957 of 822957 routes for 819943 networks

free -h
              total        used        free      shared  buff/cache
available
Mem:            31G        478M         30G        1.1M        772M
30G

regards,


On Mon, Sep 7, 2020 at 9:43 AM James Swineson <bird-users at public.swineson.me>
wrote:

> Debian 10, Bird 2.0.7.
>
> I've had similar results on Bird v1.
>
> On Mon, Sep 7, 2020, at 10:35, Mehdi Rukmawan wrote:
> > Hello,
> >
> > What OS dan Bird version did you use?
> > Currently, I'm using Ubuntu 18.04
> >
> > regards
> >
> > On Mon, Sep 7, 2020 at 8:46 AM James Swineson
> > <bird-users at public.swineson.me> wrote:
> > > I wonder if your bird (or other program) is leaking memory. Here's my
> bird receiving v4 and v6 near-full table and doing some filtering:
> > >
> > > bird> show route table global_v4 count
> > > 806364 of 806364 routes for 806364 networks in table global_v4
> > > bird> show route table global_v6 count
> > > 89509 of 89509 routes for 89509 networks in table global_v6
> > >
> > > This is a 1G RAM VPS, bird virtual memory usage is <400M.
> > >
> > > # free -wh
> > >               total        used        free      shared     buffers
>    cache   available
> > > Mem:          987Mi       612Mi       181Mi        11Mi        36Mi
>    156Mi       226Mi
> > > Swap:         4.0Gi       190Mi       3.8Gi
> > >
> > > On Mon, Sep 7, 2020, at 08:45, Mehdi Rukmawan wrote:
> > > > Hello,
> > > >
> > > > Is anyone here know, how much RAM needed for BIRD to receive all
> full
> > > > routes Internet table?
> > > >
> > > > My bird consumes around 20G of RAM for just 1 full routes 800k
> > > >
> > > >                       total        used        free      shared
> > > > buff/cache   available
> > > > Mem:            31G         20G        9.4G        1.2M        1.6G
>
> > > >     27G
> > > >
> > > > birdc -v
> Is this as expected ? or we can fine-tuning Bird ?
>
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