[syslog-ng] advice/assistance with parsing attempt requested

syslog-ng2010 at hushmail.com syslog-ng2010 at hushmail.com
Wed Dec 8 17:58:36 CET 2010


thanks for all the help ...

in parser.py, i was using sys.stdin.readlines() which, i wound up 
changing to sys.stdin.xreadlines() to get the desired results.

many thanks again!

On Wed, 08 Dec 2010 16:50:37 +0100 Lars Kellogg-Stedman 
<lars at oddbit.com> wrote:
>>
>> the issue has me really stumped. how/why would the output from 
>perl
>> make it to /opt/syslog-ng/logs/logfile in "real-time" yet, the
>> output from python only make it to /opt/syslog-ng/logs/logfile 
>as a
>> batch upon stopping the service!?!?
>>
>
>This sort of thing typically happens because the program is using 
>buffered
>IO, and output is only flushed when the buffer is full.  If you 
>were to
>leave things running for a while and generate a lot of log 
>traffic, you
>would probably see the output show up periodically in large 
>chunks.
>
> This thread on Stackoverflow discusses a variety of solutions to 
>the
>problem:
>
>  http://stackoverflow.com/questions/107705/python-output-
>buffering
>
>The simplest is probably to run Python with the "-u" flag (or 
>output to
>stderr instead of stdout).



More information about the syslog-ng mailing list