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Hi Marcin!

I haven't tried imtcp in production.. but a few years ago I had quite a
loaded rsyslog infra setup. So from my memories 1M msg/min is not that
high.. it's just 17k msg/s. I'd expect even RELP should be able to process
this on a single core. Though my infra was baremetal Xeon servers. If
you're using cloud instances then it might be expensive.

Another idea for you. At my ex-job we had rsyslog fronted by nginx for
stream SSL termination. So you can terminate SSL on nginx and proxy the
unencrypted tcp stream to imptcp. Another workaround is stunnel if you'd
prefer it.

As I Understand, GnuTLS is not recommended these days. OpenSSL (ossl)
backend is preferred.


On Mon, 3 Apr 2023 at 18:08, Marcin Wanat via rsyslog <
rsyslog@lists.adiscon.com> wrote:

> Hi,
>
> we have been using imptcp module for remote logging high amount of
> logs (over 1M log lines per minute) received from >40 servers. Now we
> would like to switch to TLS, but it looks like imptcp does not support
> TLS, only imtcp.
>
> Will imtcp support that amount of logs? As far as i can see, it does
> not support threads etc.
>
> Are there any contraindications to switching to imtcp with gnutls
> support? Or maybe imptcp and some tls tunneling would be better in
> this case.
>
> Thank you,
> Marcin
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--
Yury Bushmelev
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