Charles, I nj want to echo your comment about the IBM PDF mentioned, it's outstanding , thanks to the IBMers also..I am always learning.
Regards, Scott On Thursday, March 31, 2016, Andrew Rowley <and...@blackhillsoftware.com> wrote: > On 31/03/2016 07:01 PM, David Crayford wrote: > >> >> When a stop the world event happens watch those zIIPs spike! I've been >> amused watching the RMF zIIP metrics in Grafana. >> >> Which garbage collection option do you use? Have you played around with > different GC options? I have found it can make a big difference. (For my > programs the default gencon seems best. Optthruput was terrible.) > > One of the difficulties in figuring out GC is that most of the information > seems to assume the most important thing is trying to minimize the stopped > time, hence multithreading, concurrent GC etc. Not so helpful if what you > really want is to minimize total CPU consumed e.g. batch on z/OS. > > -- > Andrew Rowley > Black Hill Software > +61 413 302 386 > > ---------------------------------------------------------------------- > For IBM-MAIN subscribe / signoff / archive access instructions, > send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN > ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN
