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Flag Day: zones and resource management improvements

Date: Thu, 14 Dec 2006 14:34:34 -0700
From: Jerry Jelinek <Gerald.Jelinek at Sun dot COM>
To: onnv-gate at onnv dot eng dot sun dot com, on-all at eng dot sun dot com
Subject: Flag Day: zones and resource management improvements

The putback of PSARC 2006/496 Improved Zones/RM Integration
(http://www.opensolaris.org/os/community/arc/caselog/2006/496/), along with
the additional bug fixes, RFEs and ARC cases, represents a flag day for Cap-Eye
Install users.

This project enhances zones with tighter integration with the Solaris
Resource Management (RM) features.  The zonecfg command can now be used to
configure temporary pools, memory limits, the default scheduling class
for the zone and rctl aliases.  It can also be used to configure the
RM settings for the global zone.  Rcapd has been enhanced so that it
can now cap zone's physical memory consumption.  Both rcapd and prstat
have been enhanced to determine an accurate value for RSS.  More details
can be found in the ARC cases or in the slides from the recent zones KTD,
available here http://ktd.eng/zones.ktd.pdf.

This project changed some private userland <-> kernel interfaces for zones,
rcapd and prstat.  As always, BFU works fine.

Please send any questions or comments to the zones team; zones-core at sun dot com.

The following cat/subcats can also be used to file bugs:

utility/zones   for zone's command bugs
kernel/zones    for zone's kernel specific bugs
utility/rcap    for zone's physical memory capping bugs
library/libpool for bugs with temporary pools
kernel/rctl     for bugs with the zone.max-swap rctl
kernel/vm       for bugs with the new RSS accounting

Jerry