SMF log stream access

[Miklos Szigetvari]

Hi

Any fast way to access the SMF log stream ?
Intend to collect, in the SMF log stream, the performance records (30,14,15) for the actual day.

Have an assembler program to browse the log stream from the required date/time, but it is still very slow

Tried with dump(IFASMFDL) and with SUBSYS=(LOGR) JCL , but seems to me, it is not a very fast method.


(I have already asked this in 2010 , maybe something new here)

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[Charles Mills]

System exits IEFU83, IEFU84, and IEFU85.

Charles

-----Original Message-----
From: IBM Mainframe Discussion List [mailto:IBM-...@bama.ua.edu] On Behalf
Of Miklos Szigetvari
Sent: Friday, June 01, 2012 5:48 AM
To: IBM-...@bama.ua.edu
Subject: SMF log stream access

Hi

Any fast way to access the SMF log stream ?
Intend to collect, in the SMF log stream, the performance records
(30,14,15) for the actual day.

Have an assembler program to browse the log stream from the required
date/time, but it is still very slow

Tried with dump(IFASMFDL) and with SUBSYS=(LOGR) JCL , but seems to me, it
is not a very fast method.

[John Eells]

Miklos Szigetvari wrote:
> Hi
>
> Any fast way to access the SMF log stream ?
> Intend to collect, in the SMF log stream, the performance records
> (30,14,15) for the actual day.
>
> Have an assembler program to browse the log stream from the required
> date/time, but it is still very slow
>
> Tried with dump(IFASMFDL) and with SUBSYS=(LOGR) JCL , but seems to me,
> it is not a very fast method.

<snip>

Are you already collecting them in a separate log stream? (You can send
the same records to more than one log stream.)

--
John Eells
z/OS Technical Marketing
IBM Poughkeepsie
ee...@us.ibm.com

[Miklos Szigetvari]

Hi

Thank you.

In the current SMF 70% of the records is 92, USS activity and 25% DB2
I will try without this ( see the speed) and maybe send 92 to a
different stream.

In the stream we have currently about 50 Mbyte data and the access here
10-20 seconds
to retrieve all the SMF records for a given job.

Not clear in the IXGBRWSE the SEARCH keyword really speeds up the
retrieve or just don't give back the control for the
superfluous records

On 01.06.2012 18:33, John Eells wrote:
> Miklos Szigetvari wrote:
>> Hi
>>
>> Any fast way to access the SMF log stream ?
>> Intend to collect, in the SMF log stream, the performance records
>> (30,14,15) for the actual day.
>>
>> Have an assembler program to browse the log stream from the required
>> date/time, but it is still very slow
>>
>> Tried with dump(IFASMFDL) and with SUBSYS=(LOGR) JCL , but seems to me,
>> it is not a very fast method.
>
> <snip>
>
> Are you already collecting them in a separate log stream? (You can
> send the same records to more than one log stream.)
>

[Giovanni Santuz]

Hello

I need to archive about 120.000 files and delete the Originals.

What I wanted to do is:

1. to create a new MGMTCLAS with following Parms:

Backup frequency  . . . . . . . . . . . : 0      
Number of backup versions . . . . . . . : 1      
   (Data Set
Exists)                             
Number of backup versions . . . . . . . : 1      
   (Data Set
Deleted)                            
Retain days only backup version . . . . : 4020   
   (Data Set
Deleted)                            
Retain days extra backup versions . . . : NOLIMIT

  ==> BACKUPs should be deleted after 11 Years.

2. Then ALTER MGMTCLAS of all these Files to the new MGMTCLAS.

my Question :  Will this also delete ALL the other BACKUP-Versions that
were made when the file still had the "OLD" MGMTCLAS??

Or any other idea how to perform this task ?

THANKS for some Info


Giovanni Santuz

Munich
Germany


--
M f G.

Giovanni Santuz

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