*/protectedbooleanisDiscardable(ILoggingEvent event){Level level=event.getLevel();returnlevel.toInt()<=Level.INFO_INT;} LOSSY BY DEFAULT IF 80% FULLAsyncAppender buffers events in a BlockingQueue. A worker threa
--<appender-ref ref="consoleWithSwitch"/>--><appender-refref="catAppender"/><appender-refref="asyncFileAppender"/></root></springProfile> 那么何时把队列中的数据存入日志文件呢?AsyncAppenderBase 中有一个 Worker 对象,负责从队列中取数据并调用 AppenderAttachableImpl 来处理:(这里一次只取一个进行追...
(6) interruptUtil.unmaskInterruptFlag():恢复worker线程的interrupt状态. 划重点: 上述代码中,对worker线程的中断标志进行了若干次操作: (1) interrupt:中断worker关联的sub-appender; (2) interruptUtil.maskInterruptFlag: 取消中断标志(在线程标志为true的状态下,join操作会立即返回),因此为了确保join操作有效,需要...
at java.util.concurrent.FutureTask.run(FutureTask.java:262)at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)at java.lang.Thread.run(Thread.java:744)Caused by: org.apache.catalina.Lifecycle...
@Test public void verifyInterruptionOfWorkerIsSwallowed() { asyncAppenderBase.addAppender(delayingListAppender); asyncAppenderBase.start(); asyncAppenderBase.stop(); assertFalse(asyncAppenderBase.worker.isAlive()); assertFalse(asyncAppenderBase.worker.isInterrupted()); } origin...
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)at java.lang.Thread.run(Thread.java:744)Caused by: org.apache.catalina.LifecycleException: Failed to start component [StandardEngine[Catalina...
--<appender-ref ref="consoleWithSwitch"/>--><appender-refref="catAppender"/><appender-refref="asyncFileAppender"/></root></springProfile> 那么何时把队列中的数据存入日志文件呢?AsyncAppenderBase 中有一个 Worker 对象,负责从队列中取数据并调用 AppenderAttachableImpl 来处理:(这里一次只取一个进行...
在第二篇里面我们实现了一个非常轻量级的异步刷盘的AsyncFlushRollingFileAppender,但是功能非常有限,在logback里面已经提供了一个现成的异步缓冲刷盘的Appender AsyncAppender,这个Appender其实就是一个包装类,典型的装饰模式的应用。其继承的类图如下 image.png
worker.setDaemon(true); worker.setName("AsyncAppender-Worker-" + getName()); // make sure this instance is marked as "started" before staring the worker Thread super.start(); worker.start(); } 代码示例来源:origin: com.proofpoint.platform/log asyncAppender = new AsyncAppenderBase<>(); async...
worker.setDaemon(true); worker.setName("AsyncAppender-Worker-"+ getName());super.start(); worker.start(); } 主要步骤: (1) 根据设置的队列大小,创建缓冲队列大小; (2) 如果未设置discardingThreshold,则设置discardingThreshold阈值为缓冲队列大小的4/5(1-1/5); ...