<html><head><meta http-equiv="Content-Type" content="text/html charset=us-ascii"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; ">Have a look at this: <a href="http://jira.qos.ch/browse/LOGBACK-266">http://jira.qos.ch/browse/LOGBACK-266</a><div><br></div><div>In particular Ceki's last comment. </div><div><br></div><div>Try using SizeAndTimeBasedFNATP instead</div></body></html>