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https://issues.apache.org/jira/browse/LOG4J2-1340?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15225817#comment-15225817
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Soma commented on LOG4J2-1340:
------------------------------
I see most of the threads waiting to publish event to buffer(default buffers
size and wait strategy)even though application logs less number of logs. is it
because of buffer slots full or any other reasons?
"http-bio-8080-exec-484" - Thread t@3383
java.lang.Thread.State: TIMED_WAITING
at sun.misc.Unsafe.park(Native Method)
at
java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:338)
at
com.lmax.disruptor.MultiProducerSequencer.next(MultiProducerSequencer.java:136)
at
com.lmax.disruptor.MultiProducerSequencer.next(MultiProducerSequencer.java:105)
at com.lmax.disruptor.RingBuffer.publishEvent(RingBuffer.java:502)
at
org.apache.logging.log4j.core.async.AsyncLoggerConfigDisruptor.enqueue(AsyncLoggerConfigDisruptor.java:270)
at
org.apache.logging.log4j.core.async.AsyncLoggerConfigDisruptor.enqueueEvent(AsyncLoggerConfigDisruptor.java:252)
at
org.apache.logging.log4j.core.async.AsyncLoggerConfigDisruptor.tryCallAppendersInBackground(AsyncLoggerConfigDisruptor.java:232)
at
org.apache.logging.log4j.core.async.AsyncLoggerConfig.callAppenders(AsyncLoggerConfig.java:96)
at
org.apache.logging.log4j.core.config.LoggerConfig.processLogEvent(LoggerConfig.java:378)
at
org.apache.logging.log4j.core.config.LoggerConfig.log(LoggerConfig.java:362)
at
org.apache.logging.log4j.core.config.LoggerConfig.log(LoggerConfig.java:352)
at
org.apache.logging.log4j.core.config.AwaitCompletionReliabilityStrategy.log(AwaitCompletionReliabilityStrategy.java:63)
at org.apache.logging.log4j.core.Logger.logMessage(Logger.java:147)
at
org.apache.logging.log4j.spi.AbstractLogger.logMessage(AbstractLogger.java:1022)
at
org.apache.logging.log4j.spi.AbstractLogger.logIfEnabled(AbstractLogger.java:980)
at
org.apache.logging.log4j.spi.AbstractLogger.info(AbstractLogger.java:679)
> AsyncLogger's Ringbuffer holding all JVM memory
> -----------------------------------------------
>
> Key: LOG4J2-1340
> URL: https://issues.apache.org/jira/browse/LOG4J2-1340
> Project: Log4j 2
> Issue Type: Bug
> Components: Core
> Affects Versions: 2.5
> Environment: Linux 2.6.32-431.17.1.el6.x86_64 x86_64
> java version "1.7.0_75"
> OpenJDK Runtime Environment (rhel-2.5.4.0.el6_6-x86_64 u75-b13)
> OpenJDK 64-Bit Server VM (build 24.75-b04, mixed mode)
> Reporter: Soma
> Attachments: heapdump.JPG
>
>
> JVM getting Out of memory. when I see the heapdump analysis I found 93% of
> memory occupied by AsyncLogger's RingBuffer. we have total of 5 AsyncLoggers
> in our applications each having default buffer size.
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