Re: [syslog-ng] matching by unknown field

again, it'd be useful if you gave us version number. pretty please.

syslog-ng 2.0.0-1etch1

You are probably interested in the flush_lines() and flush_timeout() options. These are described here:

the same. not waited logs on the server and do not know the time con client and server in options {} : flush_lines(1); flush_timeout(1);