http://s3-us-west-1.amazonaws.com/watsonwalker/ww/wp-content/uploads/2016/03/28073651/Spark-and-SMF.pdf
Timothy Sipples may have more to add. Cheers, Ant. -----Original Message----- From: IBM Mainframe Discussion List [mailto:IBM-MAIN@LISTSERV.UA.EDU] On Behalf Of Andrew Rowley Sent: Wednesday, 29 November 2017 9:30 AM To: IBM-MAIN@LISTSERV.UA.EDU Subject: Re: SAS - DB2 conversion to Java On 29/11/2017 10:08 AM, Anthony Thompson wrote: > What about Spark on Z? IBM are giving it away. > I haven't tried it, but from the documentation and presentations it seems pretty heavyweight for simple SMF reporting. I see a couple of other issues: - IBM were saying how great it was at parallelizing work, however that is a bit of a red flag for me. Parallelizing is great if you have e.g. a multi core workstation where you hit 100% usage on one core while the others are idle. That isn't usually the case on z/OS. Most z/OS customers would prefer speeding up by reducing total CPU usage than spreading it across multiple CPUs. It would be fairly uncommon on z/OS for this type of job to run at a priority where single CPU capacity is the limiting factor. - I think the reporting is SQL based? SMF data was not designed to be queried using SQL. I have been down that path. On the other hand, Java classes are beautiful for working with SMF data (not quite as nice as C# but still very good). -- Andrew Rowley Black Hill Software ---------------------------------------------------------------------- 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
