Brian Fehrle wrote:
> Hi,
>     I'm working a script that will monitor a slony log file (the daemon 
> output log, not logs generated by the -a param), in this case the slave 
> log, and search it for various things. In order to not find the same log 
> line multiple times, I'm appending my own "checkpoint" line to the slon 
> slave log. However, this line I added gets removed a few moments after I 
> write it to the file.
> 
> Is there any way for me to change this behavior, or another way for me 
> to get a custom log line into the slon slave daemon's log? Or would I be 
> better off looking for an alternate method to this?

Brian,

Have you considered writing a program/script that launches the slon and 
  then read slon's  stdout/stderr as a stream thus seeing each line of 
output as slon outputs it?

I have a java application that does type of thing and so far it seems to 
be working well (though I haven't yet gotten to writing the code to 
detecting interesting events from the slon output)

Launching a subprocess and reading from its output stream can be done in 
a few lines of perl or python.

Steve





> 
> I am using slony version 1.2.20
> 
> thanks in advance,
>               Brian Fehrle
>             
> 
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-- 
Steve Singer
Afilias Canada
Data Services Developer
416-673-1142