Oracle Solaris Performance, Panics, Hangs, and Dtrace (MOSC)

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Q: Solaris resource management - DRP (dynamic resource pool) behavior

edited Feb 11, 2015 10:08AM in Oracle Solaris Performance, Panics, Hangs, and Dtrace (MOSC) 2 commentsAnswered

Hello Experts,


I have some follow up questions regarding CPU resource management on Solaris 10. Can someone pls. point me to docs which provide details about the DRP (dynamic resource pool) algorithm. I have gone through the admin guides and man pages unsuccessfully.

Following scenario:

Solaris 10 guest LDOM w/ 1 x T5-4 core (=8 VCPUs)

Zone1 w/ dedicated-cpu resource, ncpus=1-3, importance=1

Zone2 w/ dedicated-cpu resource, ncpus=1-3, importance=1


Following questions:

Q1: When does poold decrease or increase the number of VCPUs assigned to the Zones ?

Q2: Does poold move VCPUs from the NGZ to the default pool when GZ is under CPU pressure ?

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