[#BloombergLP-ball-AsyncFileObserver-rotationSize]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/ball.adoc[ball]::xref:BloombergLP/ball/AsyncFileObserver.adoc[AsyncFileObserver]::rotationSize
:relfileprefix: ../../../
:mrdocs:

Return the size (in kilobytes) of the log file that will trigger a file rotation by this async file observer if rotation‐on‐size is in effect, and 0 otherwise.

== Synopsis

Declared in `<ball_asyncfileobserver.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
int
rotationSize() const;
----


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