[Bug 276870] mbuf cluster leak with on pf+bird2 bgp routers

From: <bugzilla-noreply_at_freebsd.org>
Date: Tue, 30 Jul 2024 09:42:32 UTC
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=276870

--- Comment #10 from Marek Zarychta <zarychtam@plan-b.pwste.edu.pl> ---
(In reply to Borja Marcos from comment #9)
> Is thread usage one of the differences between your Bird versions? Or some thread usage pattern?

The BIRD daemon from the port net/bird2 is still single-threaded. BIRD 3, which
is currently in the early ALHPA stage will be multi-threaded, but we don't have
it in the ports tree.

Moreover, I am not able to reproduce the original problem reported here.
Running 4 full view sessions 2x(IP+IPv6) on BIRD 2.15.1 after 1,5 months of
system and session uptime I see no memory leaks 

2492 root          1  20    0   365M   339M select   1  51.4H   0.00% bird

31306/2717384/2748690 mbufs in use (current/cache/total`2/3554/3556/1014047
mbuf clusters in use (current/cache/total/max)
2/3554 mbuf+clusters out of packet secondary zone in use (current/cache)
26740/3740/30480/507023 4k (page size) jumbo clusters in use
(current/cache/total/max)
0/0/0/150229 9k jumbo clusters in use (current/cache/total/max)
0/0/0/84503 16k jumbo clusters in use (current/cache/total/max)
114801K/701414K/816215K bytes allocated to network (current/cache/total)

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