Amazon EC2 has a scale feature that allows scaling based on configuration of settings such as memory, processor, etc. Is this the service your configuring?
On 2/8/10, Pid <p...@pidster.com> wrote: > On 08/02/2010 13:05, Shashank Rachamalla wrote: >> Hi >> >> I am currently involved in developing a module which performs automatic >> scaling of application server instances based on their performance. I am >> using JMX to pull data pertaining to server and underlying jvm on which >> the applications are deployed. I can also collect performance data for >> guest operating system. We are using mod_jk as load balancer. The >> challenging task here is to decide when to scale out and when to scale >> in. Please suggest some strategies used to determine the load at a >> cluster level based on which scaling decisions can be taken. Also can >> any scaling decisions be taken by considering performance statistics of >> a single instance in a cluster. > > Excellent! This sounds like a great idea for an open source project. > Where is it hosted? I might be interested in contributing... > > > p > >> The following are parameters currently monitored for each server >> instance. >> >> Guest OS >> >> 1) CPU Usage >> 2) Swap Usage >> >> JVM >> >> 1) JVM Free Memory >> >> App Server ( context is / ) >> >> 1) Maximum Request Processing Time. >> 2) Number of errors processing requests. >> 3) Number of errors encountered while processing requests. >> >> Regards, >> Shashank >> >> >> Please do not print this email unless it is absolutely necessary. >> >> The information contained in this electronic message and any attachments >> to this message are intended for the exclusive use of the addressee(s) and >> may contain proprietary, confidential or privileged information. If you >> are not the intended recipient, you should not disseminate, distribute or >> copy this e-mail. Please notify the sender immediately and destroy all >> copies of this message and any attachments. >> >> WARNING: Computer viruses can be transmitted via email. The recipient >> should check this email and any attachments for the presence of viruses. >> The company accepts no liability for any damage caused by any virus >> transmitted by this email. >> >> www.wipro.com >> >> --------------------------------------------------------------------- >> To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org >> For additional commands, e-mail: users-h...@tomcat.apache.org >> > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org > For additional commands, e-mail: users-h...@tomcat.apache.org > > -- Sent from my mobile device --------------------------------------------------------------------- To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org For additional commands, e-mail: users-h...@tomcat.apache.org
