Re: [opensuse] logsanalysis: (tail -f) vs (perl File::Tail)

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The Monday 2008-01-07 at 16:12 +0200, Mark Goldstein wrote:

Sure, I just gave one example where I thought "tail" was good enough
and provided quick solution (not "quick and dirty"). I have to admit,
I did not use "File::Tail" from pure ignorance and laziness :-). I'll
definitely look into it next time I'll need to to something of this
sort.

If you go the "tail -f" way, then you'd better use "tailf" instead. Its a different program that doesn't cause unnecesary disk activity.

DESCRIPTION

tailf will print out the last 10 lines of a file and then wait for
the file to grow. It is similar to tail -f but does not access the
file when it is not growing. This has the side effect of not
updating the access time for the file, so a filesystem flush does
not occur periodically when no log activity is happening.

tailf is extremely useful for monitoring log files on a laptop when
logging is infrequent and the user desires that the hard disk spin
down to conserve battery life.




- -- Cheers,
Carlos E. R.
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