Carsten Ziegeler created SLING-4999:
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             Summary: Check synchronization in RequestProcessorMBeanImpl
                 Key: SLING-4999
                 URL: https://issues.apache.org/jira/browse/SLING-4999
             Project: Sling
          Issue Type: Improvement
          Components: Engine
    Affects Versions: Engine 2.4.2
            Reporter: Carsten Ziegeler
             Fix For: Engine 2.4.4


Each and every request goes through RequestProcessorMBeanImpl#addRequestData 
which is a synchronized block. I think this is a rather heavy bottleneck for 
request processing.

In addition, some of the methods which do additional calculation are sync'ed 
(like getStandardDeviationDurationMsec) but others are not (like 
getStandardDeviationPeakRecursionDepth). This seems a little bit arbitrary to me



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