Mainframe, MVS and zOS Discussion

Has anyone here faced something similar or have a suggestion? what retention policy balances audit needs with storage cost? Appreciate any guidance or examples.

I have a situation in which Nested calls sometimes overflow runtime stack. What compile/runtime settings help? Thanks in advance for your help and insights.

As part of my current work, I happened to run into a scenario where Does MOVE CORRESPONDING cause hidden work with big groups? Prefer manual moves? Any measurements? Appreciate any guidance or examples.

I have been working on need to read bit flags stored as hex and branch accordingly in Easytrieve. Any concise examples? Appreciate any guidance or examples.

I ran into a few doubts on this topic. We get an S0C7 once in a while that won’t reproduce. What dump/trace steps and compile options helped you isolate intermittent data issues? Thanks in advance for any pointers.

I have a situation in which Nested calls sometimes overflow runtime stack. What compile/runtime settings help? Thanks in advance for your help and insights.

We're defining a high-volume KSDS for ~297M rows, avg record 449 bytes.
Considering CI=32768 and CA=65536 for KSDS; data volume ~163M records.

Any recent guidance to balance insert performance, freespace, and CA splits? IDCAMS DEFINE examples welcome.

 

Happy Xmas and Happy New Year!

Thanks for your input Robert.

Will have a look at those links. Thanks again for your help.

Thanks Anuj.

But we have a lot of variables to initialize, is there a way to do that?

Thanks Anuj. We are writing COBOL programs ourselves.

Thanks everyone for helping out.

Hi,

How do you answer this question in your interviews: "Why do you want to join this Job"? Or any other way of asking it.

I think I have been very good in technical questions but questions bof this nature really harmed me.

Anyone would like to guide, please.

Thanks for the reply.

I am not in to hiring team nor I can take that decision though I understand what you mean.

I have searched on google to and there are mention about utilities, I thought if there could have been some easier way to do this. Thanks for your response.

Hi,

Could someone guide that how does SPLICE work in SORT?

Hi,

We have some programs which we had been using for years to fix some of the production abends. These programs are in easytrive. It's been announced that easytrieve will be decommissioned soon. Could someone please guide a quick way to convert these easytrieve programs to COBOL Programs.

Hi,

Can anyone of you please share their Mainframe interview experience with Deloitte India?

Hi,

Can we use Python to automate mainframe screen validation? Please share your experience in this area.

So it is mainframe, I mean definitions are intermixed mostly if not completely... ..

yes, they that's how corporate life is!!

Hi,

I have a VSAM with following key structure with key length of 110:

01 VSAM-KEY-REC.
05 VSAM-KEY-DATA PIC X(109).
05 VSAM-KEY-FLAG PIC X(01).


For my requirement, I need to read only those records which has VSAM-KEY-FLAG set to 'N'.

This is in my program:

MOVE LOW-VALUES TO VSAM-KEY ...