Bug 54398

Summary:	Improve AyncAppender's append performance
Product:	Log4j - Now in Jira	Reporter:	liangly <computer1>
Component:	Appender	Assignee:	log4j-dev <log4j-dev>
Status:	NEW ---
Severity:	normal
Priority:	P2
Version:	unspecified
Target Milestone:	---
Hardware:	Other
OS:	Linux
Attachments:	Invoke Thread.isAlive() only when buffer is full.

Description liangly 2013-01-10 03:59:09 UTC

After issue 23021, AsyncAppender.append() method will invoke dispatcher.isAlive(). However Thread.isAlive() is a expensive native method. So its better to improve the code to reduce invoking Thread.isAlive()frequency.

Comment 1 liangly 2013-01-10 05:08:14 UTC

Created attachment 29839 [details]
Invoke Thread.isAlive() only when buffer is full.