<html><head></head><body bgcolor="#FFFFFF"><div>There's only 1 rpc call unless you're running cactus or something. All schedulers have a loop...not API.</div><div><br></div><div>min-count is unfortunately special cased right now to be a single call vs cast, though. I was going to fix that real soon. Problem is scheduler creating the DB records vs API in this case. I can expand on this when I'm not replying from a phone. :)</div><div><br></div><div>There's some other things that would be nice to do here with the API but the call can change to a cast with no API behavior change (except for speeding up the response :)</div><div><br></div><div>- Chris<br><br>On Jun 27, 2012, at 12:53 PM, Devin Carlen <<a href="mailto:devin@openstack.org">devin@openstack.org</a>> wrote:<br><br></div><div></div><blockquote type="cite"><div>We filed a blueprint for this yesterday:<div><br></div><div><a href="https://blueprints.launchpad.net/nova/+spec/launch-instances-async">https://blueprints.launchpad.net/nova/+spec/launch-instances-async</a></div><div><br></div><div>"<span style="color: rgb(51, 51, 51); font-family: sans-serif; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: 18px; orphans: 2; text-align: left; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); display: inline !important; float: none; ">Currently if a user attempts to create a lot of instances with a single API call (using min_count) the request will hang for a long time while all RPC calls are completed. For a large number of instances this can take a very long time. The API should return immediately and asynchronously make RPC calls."</span></div><div><span style="color: rgb(51, 51, 51); font-family: sans-serif; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: 18px; orphans: 2; text-align: left; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); display: inline !important; float: none; "><br></span></div><div><span style="color: rgb(51, 51, 51); font-family: sans-serif; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: 18px; orphans: 2; text-align: left; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); display: inline !important; float: none; ">We are looking for creative ways to work around this problem, but in the meantime I'd like to hear from folks on what they think the preferred solution would be.</span></div><div><span style="color: rgb(51, 51, 51); font-family: sans-serif; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: 18px; orphans: 2; text-align: left; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); display: inline !important; float: none; "><br></span></div><div><span style="color: rgb(51, 51, 51); font-family: sans-serif; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: 18px; orphans: 2; text-align: left; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); display: inline !important; float: none; "><br></span></div><div><span style="color: rgb(51, 51, 51); font-family: sans-serif; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: 18px; orphans: 2; text-align: left; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); display: inline !important; float: none; ">Devin</span></div></div></blockquote><blockquote type="cite"><div><span>_______________________________________________</span><br><span>Mailing list: <a href="https://launchpad.net/~openstack">https://launchpad.net/~openstack</a></span><br><span>Post to : <a href="mailto:openstack@lists.launchpad.net">openstack@lists.launchpad.net</a></span><br><span>Unsubscribe : <a href="https://launchpad.net/~openstack">https://launchpad.net/~openstack</a></span><br><span>More help : <a href="https://help.launchpad.net/ListHelp">https://help.launchpad.net/ListHelp</a></span><br></div></blockquote></body></html>