http - JBoss access log duration -

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for jboss's accesslogvalve, have activated optional field,

  • %d - time taken process request, in millis

this has been super-valuable in showing responses took time. need details on how field calculated. specifically, when jboss stop "time taken process..." clock? example, jboss stop when [first segment of the] response given tcp/ip stack transmit client? or when client sends [ack] following last segment? or when network timeout occurs?

knowing me find root causes crazy-long response times in our production access logs.


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