Re: What exactly does the SMBHWT subparameter do?

2011-11-15 Thread Yifat Oren
Of Farley, Peter x23353 Sent: יום ה 03 נובמבר 2011 21:01 To: IBM-MAIN@bama.ua.edu Subject: What exactly does the SMBHWT subparameter do? We are at z/OS V1.12 here. I am investigating how the use of system managed buffering can help improve performance for a large, extended-format KSDS with a very random

Re: What exactly does the SMBHWT subparameter do?

2011-11-15 Thread Farley, Peter x23353
-bit space. Peter -Original Message- From: IBM Mainframe Discussion List [mailto:IBM-MAIN@bama.ua.edu] On Behalf Of Yifat Oren Sent: Tuesday, November 15, 2011 6:47 AM To: IBM-MAIN@bama.ua.edu Subject: Re: What exactly does the SMBHWT subparameter do? Hi Peter, Have you seen

Re: What exactly does the SMBHWT subparameter do?

2011-11-08 Thread Farley, Peter x23353
Subject: What exactly does the SMBHWT subparameter do? We are at z/OS V1.12 here. I am investigating how the use of system managed buffering can help improve performance for a large, extended- format KSDS with a very random read-only access pattern resulting in over a million read I/O's

What exactly does the SMBHWT subparameter do?

2011-11-03 Thread Farley, Peter x23353
We are at z/OS V1.12 here. I am investigating how the use of system managed buffering can help improve performance for a large, extended-format KSDS with a very random read-only access pattern resulting in over a million read I/O's in a batch run. After RTFM, it looks to me like I should