[mythtv-users] Multi-gigabyte log files from mythcommflag

Michael T. Dean mtdean at thirdcontact.com
Tue Nov 12 13:39:42 UTC 2013


On 11/11/2013 05:41 PM, Paul Gardiner wrote:
> Intermittently, I'm seeing huge log files from mythcommflag. Here's
> an example log. It is repeats of the last line that cause the problem.

Yes, bad video will cause lots of messages from libav, and since we then 
output those messages, there will be large log files.

If you have such bad video that you're getting multi-gigabyte 
mythcommflag log files from each mythcommflag run (running with 
standard, per-process logging), you'll just need to add in some log-file 
cleanup (via cron job or even using a wrapper to mythcommflag that 
removes the log file after completion) to work around the faulty video, 
or filter the logging so that you don't write the messages that take up 
the most space.

If you're using syslog, so that you can control the destination of log 
messages, and you just have a multi-gigabyte mythcommflag log file 
because you haven't truncated/rotated the logs, you need to set up log 
rotation.

http://www.mythtv.org/wiki/Logging

You may also be able to just turn off MHEG capture, if you're not using 
MHEG on your recordings.

Mike


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