Miklos, What do you mean by 'zlib'? Is it free on z/OS?
Best Regards, Johnny Luo On Thu, Dec 2, 2010 at 8:10 PM, Miklos Szigetvari < miklos.szigetv...@isis-papyrus.com> wrote: > Hi > > A few years ago I have tried with hardware compression, as we are using > intensively the "zlib" library (http://www.ietf.org/rfc/rfc1950.txt) to > compress/expand . > Never got a proper answer, and till now not clear, in which case would > bring the hardware compression some CPU reduction > > > On 12/2/2010 12:36 PM, Martin Packer wrote: > >> Ron, is it generally the case that CPU is saved on read? I'm seeing QSAM >> with HDC jobsteps showing very high CPU. But then they seem to both write >> and read. Enough CPU to potentially suffer from queuing. >> >> (And, yes, I know you were talking about a different category of HDC >> usage.) >> >> Martin Packer, >> Mainframe Performance Consultant, zChampion >> Worldwide Banking Center of Excellence, IBM >> >> +44-7802-245-584 >> >> email: martin_pac...@uk.ibm.com >> >> Twitter / Facebook IDs: MartinPacker >> >> >> >> >> >> Unless stated otherwise above: >> IBM United Kingdom Limited - Registered in England and Wales with number >> 741598. >> Registered office: PO Box 41, North Harbour, Portsmouth, Hampshire PO6 3AU >> >> >> >> >> >> >> ---------------------------------------------------------------------- >> For IBM-MAIN subscribe / signoff / archive access instructions, >> send email to lists...@bama.ua.edu with the message: GET IBM-MAIN INFO >> Search the archives at http://bama.ua.edu/archives/ibm-main.html >> >> >> > ---------------------------------------------------------------------- > For IBM-MAIN subscribe / signoff / archive access instructions, > send email to lists...@bama.ua.edu with the message: GET IBM-MAIN INFO > Search the archives at http://bama.ua.edu/archives/ibm-main.html > ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@bama.ua.edu with the message: GET IBM-MAIN INFO Search the archives at http://bama.ua.edu/archives/ibm-main.html
