Weblogic Queue Lenth

07-03-2011

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Weblogic Queue Lenth

I a performance monitoring tool that monitors the performance of my servers. I get an alert message every 5 minutes from
the monitoring tool if the queue count increase. The monitor sends an email of NOT-OK when the queue count increases and
another email of OK when the queue count goes to 0 again.
Lately, we have been seeing some NOT-OK alerts for the queue count increasing. It goes back down before the next monitor runs.
I am trying to investigate the reasons for the spikes. I believe that Garbage collection is causing the the queue count to go up.
I looked at a couple of emails from last month where the queue count was more than zero and pulled the data into an excel file.
I highlighted the records where the queue count is increasing. I am trying to determine what is causing the queue to go up.
It could be GC's are performing, it couldn't be user activity, it couldn't thread utilization. I would really appreciate your help in this matter.

amir5557

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SENSORS-DETECT(8) System Manager's Manual SENSORS-DETECT(8) NAME
sensors-detect - detect hardware monitoring chips SYNOPSIS
sensors-detect DESCRIPTION
sensors-detect is an interactive program that will walk you through the process of scanning your system for various hardware monitoring chips, or sensors, supported by libsensors(3), or more generally by the lm_sensors tool suite. sensors-detect will look for the following devices, in order: o Sensors embedded in CPUs, south bridges and memory controllers. o Sensors embedded in Super I/O chips. o Hardware monitoring chips accessed through ISA I/O ports. o Hardware monitoring chips reachable over the SMBus or more generally any I2C bus on your system. As the last two detection steps can cause trouble on some systems, they are normally not attempted if the second detection step led to the discovery of a Super I/O chip with complete hardware monitoring features. However, the user is always free to ask for all detection steps if so is his/her wish. This can be useful if a given system has more than one hardware monitoring chip. Some vendors are known to do this, most notably Asus and Tyan. WARNING
sensors-detect needs to access the hardware for most of the chip detections. By definition, it doesn't know which chips are there before it manages to identify them. This means that it can access chips in a way these chips do not like, causing problems ranging from SMBus lockup to permanent hardware damage (a rare case, thankfully.) The authors made their best to make the detection as safe as possible, and it turns out to work just fine in most cases, however it is impossible to guarantee that sensors-detect will not lock or kill a specific system. So, as a rule of thumb, you should not run sensors- detect on production servers, and you should not run sensors-detect if can't afford replacing a random part of your system. Also, it is recommended to not force a detection step which would have been skipped by default, unless you know what you are doing. SEE ALSO
sensors(1), libsensors(3) AUTHOR
Frodo Looijaard and Jean Delvare lm-sensors 3 December 2008 SENSORS-DETECT(8)

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