[rsyslog] Rsyslog 4.4.2: server out-of-memory with gnutls

[Rainer Gerhards]

More info follows, but v5 has exactly the same tls subsystem as v4. So we need to track that bug down.

----- Ursprüngliche Nachricht -----
Von: "david at lang.hm" <david at lang.hm>
An: "rsyslog-users" <rsyslog at lists.adiscon.com>
Gesendet: 09.11.09 05:49
Betreff: Re: [rsyslog] Rsyslog 4.4.2: server out-of-memory with gnutls

On Sun, 8 Nov 2009, Mr. Demeanour wrote:

> Rainer Gerhards wrote:
>> Thanks, but I wasn't specific enough. For TLS, I also need to client
>> config, because I need two machines to reproduce any issues (these
>> two instances are also the challenge for the current testbench, what
>> requires hopefully fewer than I expect changes ;)).
>
> Perhaps someone could advise me on an alternative to resolving this
> problem by means of bug-hunting. While 4.4.2 is the version of rsyslog
> currently shipping in Debian squeeze, it's obviously a bit out-of-date
> from the point of view of the developers.

the rate of change in rsyslog over the last year is dizzying. This makes 
rsyslog a much better progam, but it also means that it's very unlikly 
that the debian maintainers will be able to backport all the fixes.

> Well, the reason I'm using that version is precisely that it ships with
> Debian. Or to be more precise, I upgraded to squeeze because it ships
> with a version of rsyslog that includes encryption support. So perhaps I
> should just cut free, and install 5.x stable?

unfortunantly the current 5.2 stable release has some known problems. the 
5.x development is looking pretty good right now, but it is very much the 
bleeding edge of things.

if you need a newer stable version _now_ go with the latest 4.x

if you can affort to test the 5.x development branch, it will probably 
work (I've found it stable over the last couple of weeks, running at loads 
of ~10,000 logs/sec), but as always you may run into unexpected problems 
(like you did with 4.4.2). I don't use encryption so I can't vouch for 
that part of things.

David Lang
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