You're welcome. 

Christian's blog post has more details on the difference: 
http://www.javacodegeeks.com/2013/07/log4j-2-performance-close-to-insane.html

Best regards,
Remko

Sent from my iPhone

> On 2013/10/03, at 19:41, Sudharma Puranik <[email protected]> wrote:
> 
> ok, Thanks a lot for your quick reply, I actually wanted to have asynchronous 
> logging so I had previously done AsyncAppenders then I am testing 
> AsyncLoggers but frankly I am unable to understand the difference between 
> these. Can you please provide any blog of yours or any explanination you have 
> handy?
> 
> Thanks lot for your time
> 
> -Sudharma
> 
> 
>> On Thu, Oct 3, 2013 at 4:06 PM, Remko Popma <[email protected]> wrote:
>> Yes, waiting at that location means that the async logging thread is waiting 
>> for new work to arrive. Assuming log events are appearing in the log file 
>> correctly, I don't see any issue. 
>> 
>> Best regards,
>> Remko
>> 
>> Sent from my iPhone
>> 
>>> On 2013/10/03, at 19:28, Sudharma Puranik <[email protected]> 
>>> wrote:
>>> 
>>> This is the dump log 
>>> 
>>> 
>>> "AsyncLogger-1" daemon prio=6 tid=0x000000000dd3f800 nid=0x3444 runnable 
>>> [0x000000000f46f000]
>>>    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.SleepingWaitStrategy.applyWaitMethod(SleepingWaitStrategy.java:66)
>>>     at 
>>> com.lmax.disruptor.SleepingWaitStrategy.waitFor(SleepingWaitStrategy.java:39)
>>>     at 
>>> com.lmax.disruptor.ProcessingSequenceBarrier.waitFor(ProcessingSequenceBarrier.java:55)
>>>     at 
>>> com.lmax.disruptor.BatchEventProcessor.run(BatchEventProcessor.java:123)
>>>     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:722)
>>> 
>>> So do you think it is normal?? 
>>> 
>>> -Sudharma
>>> 
>>> 
>>>> On Thu, Oct 3, 2013 at 3:49 PM, Remko Popma <[email protected]> wrote:
>>>> If the events are being logged correctly I don't think there is a problem. 
>>>> The async logger thread is either waiting for more work (log events) to 
>>>> arrive from the ring buffer, or it has written to the disk and it is 
>>>> blocked (waiting) for the I/O call to return. 
>>>> 
>>>> Best regards,
>>>> Remko
>>>> 
>>>> Sent from my iPhone
>>>> 
>>>>> On 2013/10/03, at 19:02, Sudharma Puranik <[email protected]> 
>>>>> wrote:
>>>>> 
>>>>> Yes I see log messages getting updated.
>>>>> 
>>>>> 
>>>>>> On Thu, Oct 3, 2013 at 2:54 PM, Remko Popma <[email protected]> 
>>>>>> wrote:
>>>>>> Are you seeing log messages in your log file?
>>>>>> 
>>>>>> Sent from my iPhone
>>>>>> 
>>>>>> > On 2013/10/03, at 18:21, Sudharma Puranik <[email protected]> 
>>>>>> > wrote:
>>>>>> >
>>>>>> > Hello,
>>>>>> >
>>>>>> > I have created a complete asyncLogger and have started my application, 
>>>>>> > While looking at the thread dump I See that the AsyncLogger is always 
>>>>>> > waiting eventhough my logging is continuously happening. Can you 
>>>>>> > please help me  in understanding If I am doing something wrong. 
>>>>>> > Attached is the dump snap.
>>>>>> >
>>>>>> > <image.png>
>>>>>> >
>>>>>> > Sudharma
>>>>>> 
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>>>>>> 
>>>>> 
>>> 
> 

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