Cycling multiple files

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Hello,
I'm logging event logs from a custom c++ app to a server and am trying to setup file cycling for both the application event logs and NXLog log file.
When I add a second Output to my Route, I start to see the event logs showing up in the NXLog log file, which I wasn't expecting.
I'm not sure how to approach this ... should I be setting up a second path for the NXLog cycling?
Here's what my config file is looking like:
# Keep 2 weeks of app log files
<Output app_log_cycle>
Module om_file
File 'C:/Users/Jeremy/Documents/myApp/myApp.log'
<Schedule>
When @daily
<Exec>
file_cycle(file_name(), 7);
app_log_cycle->reopen();
</Exec>
</Schedule>
</Output>

# Keep 2 weeks of nxlog log files
<Output nxlog_log_cycle>
Module om_file
File 'C:/Program Files (x86)/nxlog/data/nxlog.log'
<Schedule>
When @daily
<Exec>
file_cycle(file_name(), 14);
nxlog_log_cycle->reopen();
</Exec>
</Schedule>
</Output>
<Route 1>
Path watchfile => syslogout, app_log_cycle, nxlog_log_cycle
</Route>
Thanks++ for any tips!
Jeremy

AskedNovember 10, 2020 - 10:40pm

Answer (1)

Hello Jeremy,

Event logs showing in your nxlog.log file is something one should expect taking into account your conf file. In the route:

<Route 1>
Path watchfile => syslogout, app_log_cycle, nxlog_log_cycle
</Route>

you explicitly push events to this file.

If you want just rotate it, you might try doing something like this:

<Extension fileop>
    Module      xm_fileop

    # Check the log file size every hour and rotate if larger than 1 MB
    <Schedule>
        Every   1 hour
        Exec    if (file_size('%LOGFILE%') >= 1M) file_cycle('%LOGFILE%', 2);
    </Schedule>

    # Rotate log file every week on Sunday at midnight
    <Schedule>
        When    @weekly
        Exec    file_cycle('%LOGFILE%', 2);
    </Schedule>
</Extension>

This example is taken right out of our reference manual..

Best regards,

Rafal

AnsweredNovember 11, 2020 - 8:44am