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Posted to log4j-dev@logging.apache.org by "Siva B (JIRA)" <ji...@apache.org> on 2015/01/16 15:53:34 UTC
[jira] [Created] (LOG4J2-940) Large number of RUNNABLE threads at
"AsyncLoggerConfig.callAppenders" causing High CPU
Siva B created LOG4J2-940:
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Summary: Large number of RUNNABLE threads at "AsyncLoggerConfig.callAppenders" causing High CPU
Key: LOG4J2-940
URL: https://issues.apache.org/jira/browse/LOG4J2-940
Project: Log4j 2
Issue Type: Bug
Components: Appenders
Affects Versions: 2.0-rc2
Environment: RHEL 6.2
Apache Tomcat 7
Java 7
Reporter: Siva B
336 threads are in RUNNING state with below stack trace causing the JVM to consume more CPU.
"ajp-bio-15024-exec-138" daemon prio=10 tid=0x00007f5870046000 nid=0x52d7 runnable [0x00007f5921f56000]
java.lang.Thread.State: TIMED_WAITING (parking)
at sun.misc.Unsafe.park(Native Method)
at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:349)
at com.lmax.disruptor.MultiProducerSequencer.next(MultiProducerSequencer.java:133)
at com.lmax.disruptor.MultiProducerSequencer.next(MultiProducerSequencer.java:102)
at com.lmax.disruptor.RingBuffer.publishEvent(RingBuffer.java:466)
at org.apache.logging.log4j.core.async.AsyncLoggerConfigHelper.callAppendersFromAnotherThread(AsyncLoggerConfigHelper.java:342)
at org.apache.logging.log4j.core.async.AsyncLoggerConfig.callAppenders(AsyncLoggerConfig.java:111)
at org.apache.logging.log4j.core.config.LoggerConfig.log(LoggerConfig.java:407)
at org.apache.logging.log4j.core.config.LoggerConfig.log(LoggerConfig.java:365)
at org.apache.logging.log4j.core.Logger.logMessage(Logger.java:103)
at org.apache.logging.log4j.spi.AbstractLogger.logMessage(AbstractLogger.java:1336)
at org.apache.logging.log4j.spi.AbstractLogger.logIfEnabled(AbstractLogger.java:1325)
at org.apache.logging.log4j.spi.AbstractLogger.log(AbstractLogger.java:1237)
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