A new maintenance release to Oracle VM Server for SPARC has been released, providing
several enhancements described in the
What's New page.
adds support for private VLANs
relieves virtual I/O scalability constraints.
This was already announced in the Virtualization Blog,
but the I/O scalability improvement deserves further discussion.
Previous blog entries have descri
Oracle Virtualization at Oracle OpenWorld
There is a rich set of virtualization sessions at Oracle OpenWorld, with presentations by experts, and with customer experience and insight. That starts with the
with Wim Coekaerts, Senior VP of Linux and Virtualization Engineering, on his virtualization strategy and roadmap.
I recommend the sessions on Oracle Virtual Compute Appliance (VCA).
After many years of being faithful to UW IMAP it was time to move on. The move was required since UW IMAP was no longer being supported and I was having problems using it with latest version of Horde Webmail, so I decided to install Dovecot on our Oracle Solaris 11 systems.
I was surprised how easy the installation went to get Dovecot working on Solaris 11, which was pleasing.
One of the nice changes to the kstat (kernel statistics) command in illumos is its conversion to C from perl. There were several areas in the illumos (nee OpenSolaris) code where perl had been used. But these were too few to maintain critical mass and it is difficult for interpreted runtimes to change at the pace of an OS, so keeping the two in lockstep is simply not worthwhile.
Latency and performance problems in storage subsystems can be tricky to understand and tune. If you've ever been stuck in a traffic jam or waited in line to get into a concert, you know that queues can be frustrating to understand and trying on your patience. In modern computing systems, there are many different queues and any time we must share a constrained resource, one or more queues will magically appear in the architecture.