You have *multiple* appender instances (of the same type and run on the same JVM) writing to the same file - that requires the prudent mode.

On 03/11/2011 9:52 PM, Scott Dudley wrote:

Understood. I have only one. Guess I'll have to unpack the source and
roll up my sleeves. Thanks.


On 11/03/2011 01:47 PM, ceki wrote:

On 03/11/2011 9:37 PM, Scott Dudley wrote:

My understanding from the documentation was that prudent was only
relevant when multiple JVM's were writing to the same log. I have only
one. I also read that it's use (although sometimes a necessity) incurs a
3X drop in speed.

Multiple appenders writing to the same file (regardless of JVM)
requires the prudent mode.

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