Thats fine. However, java itself runs under unix... ITschak
בתאריך יום ב׳, 4 בנוב׳ 2019, 14:30, מאת Steve Austin < [email protected]>: > It was a while back, but I'm pretty sureI have used _BPX_SHAREAS and the > spawn syscall from REXX, to run Java in the same address space. > > -----Original Message----- > From: IBM Mainframe Discussion List [mailto:[email protected]] On > Behalf Of Lionel B Dyck > Sent: Monday, November 4, 2019 12:00 PM > To: [email protected] > Subject: Re: Improving the performance of an ISPF app using OMVS services > (bpxwunix) > > Thanks for the education. > > Guess I need to find a faster system 😊 > > Lionel B. Dyck <sdg>< > Website: http://www.lbdsoftware.com > > "Worry more about your character than your reputation. Character is what > you are, reputation merely what others think you are." - John Wooden > > -----Original Message----- > From: IBM Mainframe Discussion List <[email protected]> On Behalf > Of ITschak Mugzach > Sent: Monday, November 4, 2019 5:52 AM > To: [email protected] > Subject: Re: Improving the performance of an ISPF app using OMVS services > (bpxwunix) > > No. the fork is a unix issue. the first shell task will be started as a > separate asid and then, if _BPXSHAREDAS is on, called shell programs will > run in the same (new) asid. You can see in the syslog the evidence of the > new ASID started. It is usually has the id of the caller plus numeric value. > > > On Mon, Nov 4, 2019 at 1:46 PM Lionel B Dyck <[email protected]> wrote: > > > But when rexx, under ispf, invokes bpxwunix won't the sharedas help to > > prevent the fork? > > > > > > Lionel B. Dyck <sdg>< > > Website: http://www.lbdsoftware.com > > > > "Worry more about your character than your reputation. Character is > > what you are, reputation merely what others think you are." - John > > Wooden > > > > -----Original Message----- > > From: IBM Mainframe Discussion List <[email protected]> On > > Behalf Of ITschak Mugzach > > Sent: Monday, November 4, 2019 5:36 AM > > To: [email protected] > > Subject: Re: Improving the performance of an ISPF app using OMVS > > services > > (bpxwunix) > > > > That's because _BPX_SHAREDAS is related to a main shell program and > > its forks. not to the Rexx (or whatever the caller is) and the unix > shell. > > > > > > > > On Mon, Nov 4, 2019 at 1:29 PM Lionel B Dyck <[email protected]> wrote: > > > > > That was my fear 😊 > > > > > > I did find these which I implemented in my .profile and I'm not > > > seeing any visual improvements: > > > > > > export _BPX_SHAREAS=YES > > > export _BPX_SPAWN_SCRIPT=YES > > > > > > > > > Lionel B. Dyck <sdg>< > > > Website: http://www.lbdsoftware.com > > > > > > "Worry more about your character than your reputation. Character is > > > what you are, reputation merely what others think you are." - John > > > Wooden > > > > > > -----Original Message----- > > > From: IBM Mainframe Discussion List <[email protected]> On > > > Behalf Of ITschak Mugzach > > > Sent: Monday, November 4, 2019 5:25 AM > > > To: [email protected] > > > Subject: Re: Improving the performance of an ISPF app using OMVS > > > services > > > (bpxwunix) > > > > > > Lionel, > > > > > > The secret is that zPDT systems are not heavily loaded. As you load > > > the system (or start mot guests, if running under z/vm), the system > > > starts to slow down. BPXWUNIX starts a new address space, so by > > > definition it is more cpu consuming, that affects elapse. > > > > > > ITschak > > > > > > On Mon, Nov 4, 2019 at 1:20 PM Lionel B Dyck <[email protected]> wrote: > > > > > > > Are there any hints/tips to improve the performance of an ISPF > > > > application that uses BPXWUNIX? In running on my normal system > > > > the performance is very slow compared to a friends system running > > > > on a > > zPDT. > > > > > > > > > > > > > > > > I couldn't find a SHARE presentation (but I may not have used the > > > > correct > > > > keywords) and the IBM pubs are not speaking to me as nothing jumps > out. > > > > > > > > > > > > > > > > > > > > > > > > Lionel B. Dyck <sdg>< > > > > Website: <http://www.lbdsoftware.com/> http://www.lbdsoftware.com > > > > > > > > "Worry more about your character than your reputation. Character > > > > is what you are, reputation merely what others think you are." - > > > > John Wooden > > > > > > > > > > > > > > > > > > > > ------------------------------------------------------------------ > > > > -- > > > > -- For IBM-MAIN subscribe / signoff / archive access instructions, > > > > send email to [email protected] with the message: INFO > > > > IBM-MAIN > > > > > > > > > > > > > -- > > > ITschak Mugzach > > > *|** IronSphere Platform* *|* *Information Security Contiguous > > > Monitoring for Legacy **| * > > > > > > -------------------------------------------------------------------- > > > -- For IBM-MAIN subscribe / signoff / archive access instructions, > > > send email to [email protected] with the message: INFO > > > IBM-MAIN > > > > > > -------------------------------------------------------------------- > > > -- For IBM-MAIN subscribe / signoff / archive access instructions, > > > send email to [email protected] with the message: INFO > > > IBM-MAIN > > > > > > > > > -- > > ITschak Mugzach > > *|** IronSphere Platform* *|* *Information Security Contiguous > > Monitoring for Legacy **| * > > > > ---------------------------------------------------------------------- > > For IBM-MAIN subscribe / signoff / archive access instructions, send > > email to [email protected] with the message: INFO IBM-MAIN > > > > ---------------------------------------------------------------------- > > For IBM-MAIN subscribe / signoff / archive access instructions, send > > email to [email protected] with the message: INFO IBM-MAIN > > > > > -- > ITschak Mugzach > *|** IronSphere Platform* *|* *Information Security Contiguous Monitoring > for Legacy **| * > > ---------------------------------------------------------------------- > For IBM-MAIN subscribe / signoff / archive access instructions, send email > to [email protected] with the message: INFO IBM-MAIN > > ---------------------------------------------------------------------- > For IBM-MAIN subscribe / signoff / archive access instructions, send email > to [email protected] with the message: INFO IBM-MAIN > > -- > This e-mail message has been scanned and cleared by Google Message > Security > and the UNICOM Global security systems. This message is for the named > person's use only. If you receive this message in error, please delete it > and notify the sender. > > ---------------------------------------------------------------------- > For IBM-MAIN subscribe / signoff / archive access instructions, > send email to [email protected] with the message: INFO IBM-MAIN > ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN
