In addition to ww's comment: the acto of transferring the data from the old log file to the new needs additional space, causes I/O and takes time. All three points could introduce more errors.

So, log rotation, as recommended by Anonymonk seems to be a far better strategy.

In reply to Re: Limiting the size of log files... by soonix
in thread Limiting the size of log files... by SteveTheTechie

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