<html><body><div style="font-family: arial, helvetica, sans-serif; font-size: 12pt; color: #000000"><div>Hi</div><div><br data-mce-bogus="1"></div><div>We are running kvm instances on omni r20 and are experiencing random short freezes.<br>I wrote the following short test script to see how frequent the freezing occurres</div><div><br></div><div><div><font face="courier new, courier, monaco, monospace, sans-serif">perl -e 'use Time::HiRes qw(time usleep); my $now = time; while(1){usleep 200000; my $next = time; my $diff = $next - $now; $now=$next; if ($diff > 0.22){ print "".localtime(time)." ".$diff,"\n"}}'</font><br></div><div><font face="courier new, courier, monaco, monospace, sans-serif"><br data-mce-bogus="1"></font></div><div>the output looks like this </div><div><br data-mce-bogus="1"></div><div><div>Thu Mar 9 15:26:12 2017 0.224979877471924</div><div>Thu Mar 9 15:26:23 2017 0.273133993148804</div><div>Thu Mar 9 15:27:54 2017 1.17526292800903</div><div>Thu Mar 9 15:28:59 2017 2.04209899902344</div><div>Thu Mar 9 15:30:31 2017 1.0813729763031</div><div>Thu Mar 9 15:30:44 2017 0.600342988967896</div><div>Thu Mar 9 15:31:47 2017 1.43648099899292</div><div>Thu Mar 9 15:32:25 2017 0.897988796234131</div><div>Thu Mar 9 15:33:28 2017 0.998631000518799</div><div>Thu Mar 9 15:34:10 2017 4.89306116104126</div><div>Thu Mar 9 15:36:15 2017 1.22311997413635</div><div>Thu Mar 9 15:38:57 2017 1.64742302894592</div><div>Thu Mar 9 15:39:21 2017 1.36228013038635</div><div>Thu Mar 9 15:40:08 2017 1.62232208251953</div><div>Thu Mar 9 15:40:32 2017 1.37291598320007</div><div>Thu Mar 9 15:42:30 2017 0.211127996444702</div></div></div><div><br></div><div>as you can see there are quite frequent short freezes ... </div><div><br data-mce-bogus="1"></div><div>I am running the same script in the omnios global zone there is no freezing over 0.02s</div><div><br data-mce-bogus="1"></div><div>any ideas ?</div><div><br data-mce-bogus="1"></div><div>cheers</div><div>tobi</div><div>-- <br></div><div>Tobi Oetiker, OETIKER+PARTNER AG, Aarweg 15 CH-4600 Olten, Switzerland<br>www.oetiker.ch tobi@oetiker.ch +41 62 775 9902</div></div></body></html>