Thank you very much! Sent from my iPhone
On 2011. 11. 3., at 오후 5:21, Adrian Cole <[email protected]> wrote: > Andrei's answer is pretty comprehensive, and to add a few more things: > > 1. WRT reliability, YMMV depending on which cloud and ssh > implications. For example, most issues we have are swirling around > ssh specifically in Amazon EC2. jclouds already has users who start > several hundred JVMs (ex. Neotys), but they do not rely on SSH for > configuration. It is likely the case you'd want to run Whirr from > within the cloud of choice to further reduce issues. > > 2. to answer you directly, depending on the cloud, the network calls > will likely be the same as starting 10, but multiplied by 100, unless > some other scaling or pool design is put into place. Most clouds do > not have a way to start more than one machine with a single call. > There are places, for ex. firewalls, where we could optimize and use a > single call for 1000 machines (if they are in the same network, for > ex.). Assume these optimizations are not complete, yet. > > I hope this helps! > -Adrian > > > On Thu, Nov 3, 2011 at 2:30 AM, Edward J. Yoon <[email protected]> wrote: >> Hi, >> >> When user want to deploy Hadoop 1 thousand VMs cluster using Whirr and >> JClouds, how many API calls e.g., auth + VM creation + firewall >> settings, .., etc can be made? >> >> -- >> Best Regards, Edward J. Yoon >> @eddieyoon >>
