hello all,

environment: centOS, solr 3.5, jboss 5.1

i have been using wily (a monitoring tool) to instrument our solr instances
in stress.

can someone help me to understand something about the jmx values being
output from solr?  please note - i am new to JMX.

problem / issue statement: for a given request handler (partItemDescSearch),
i see output from the jmx MBean for the metric avgRequestsPerSecond - AFTER
my test harness has completed and there is NO request activity to this
request handler - taking place (verified in solr log files).

example scenario during testing:  during a test run - the test harness will
fire requests at request handler (partItemDescSearch) and all numbers look
fine.   then after the test harness is done - the metric
avgRequestsPerSecond does not immediately drop to 0.  instead - it appears
as if JMX is somehow averaging this metric and gradually trending it
downward toward 0.

continual checking of this metric (in the JMX tree - see screen shot) shows
the number trending downward instead of a hard stop at 0.

is this behavior - just the way jmx works?

thanks mark

http://lucene.472066.n3.nabble.com/file/n3991616/test1.bmp 




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