[jboss-user] [Performance Tuning] - Failover performance

Ron K [http://community.jboss.org/people/ronsen] created the discussion "Failover performance" To view the discussion, visit: http://community.jboss.org/message/612069#612069 -------------------------------------------------------------- Since the ability (ejb) to failover relies on the client side(if im not mistaken), the failover on a node crashing shouldnt be measurable or? The client downloads the dp-object and handles it itsself, so will there be a measurable "delay" if a servercrash occurs and it fails over to another node? My test was to deploy an ejb on 3 nodes and send counting numbers to the cluster. Whenever a node receives a number, it writes the receivment to the database whereas the database adds a timestamp, so that the times wont change according to the server clocks. So, whenever a failover occurs, there should be a measureable delay between No. X and Y, just in case it causes some. The result was, that theres (with nanosecs) actually none... Did I understand anything wrong or does a measureable delay only occurs if theres anything has to be restored from replicated data? Thanks in advance, -------------------------------------------------------------- Reply to this message by going to Community [http://community.jboss.org/message/612069#612069] Start a new discussion in Performance Tuning at Community [http://community.jboss.org/choose-container!input.jspa?contentType=1&...]