Bookmarks for June 9th through June 12th

These are my links for June 9th through June 12th:

Bookmarks for May 24th through May 26th

These are my links for May 24th through May 26th:

Bookmarks for April 14th from 13:28 to 15:58

These are my links for April 14th from 13:28 to 15:58:

Bookmarks for April 14th from 00:09 to 08:41

These are my links for April 14th from 00:09 to 08:41:

kvm disk performance with different backends

Here  some results from testing I did in August 2009 on  KVM with the three different disk image drivers. First a single disk system running Ubuntu x64 9.04:

Continue reading →

50% Performance Boost for Nehalem’s over Harpertown

From the vmware blog:

Conclusion

A 1vCPU Xeon X5500 series based Exchange Server VM can support 50% more users per core than a 2vCPU VM based on previous generation processors while maintaining the same level of performance in terms of Sendmail latency.  This is accomplished while the VM’s CPU utilization remains below 50%, allowing plenty of capacity for peaks in workload and making an FT VM practical for use with Exchange Server 2007.


Warning: require_once(/home/emptysands/stateless.geek.nz/wp-content/themes/copyblogger/footer.php) [function.require-once]: failed to open stream: Permission denied in /home/emptysands/stateless.geek.nz/wp-includes/template.php on line 441

Fatal error: require_once() [function.require]: Failed opening required '/home/emptysands/stateless.geek.nz/wp-content/themes/copyblogger/footer.php' (include_path='/home/emptysands/stateless.geek.nz/wp-content/plugins/openid/lib:.:/usr/local/lib/php:/usr/local/php5/lib/pear') in /home/emptysands/stateless.geek.nz/wp-includes/template.php on line 441