ADSM-L

AW: Internal Memory Managment TSM @MVS

2004-04-27 11:41:19
Subject: AW: Internal Memory Managment TSM @MVS
From: Stefan Holzwarth <stefan.holzwarth AT ADAC DOT DE>
To: ADSM-L AT VM.MARIST DOT EDU
Date: Tue, 27 Apr 2004 17:39:02 +0200
Matt, since 
Freeheld bytes "touches" MaxQuickFree bytes I would say you should increase
that size 

Kind regards,
Stefan Holzwarth
> 
> I was under the impression that if FREEHELD BYTES = 
> MAXQUICKFREE BYTES  things were O.K.  I currently have mine 
> set to 40MB.  Are you saying I am still low?
> Matt
> 
> MAX initial storage  536870912  (512.0 MB)
>     Freeheld bytes 40959642  (39.1 MB)
>     MaxQuickFree bytes 40960000  (39.1 MB)
>     44 Page buffers of 12671 : 133 buffers of 1583.
>     62 Large buffers of 791 : 89 XLarge buffers of 98.
>    113360 buffers free: 221949 hiAlloc buffers: 41790 current 
> buffers. 
> 
> -----Original Message-----
> From: ADSM: Dist Stor Manager [mailto:ADSM-L AT VM.MARIST DOT EDU] 
> On Behalf Of Stefan Holzwarth
> Sent: Tuesday, April 27, 2004 3:09 AM
> To: ADSM-L AT VM.MARIST DOT EDU
> Subject: Internal Memory Managment TSM @MVS
> 
> Hi,
> 
> 3 month ago i read about PMR92547, that describes 
> performance-problems coming from a too small internal 
> memorypool Since we had speedproblems we doubled that pool 
> size and after 3 month i believe it was a good step forward.
> 
> With show memu you can have a look at the current settings 
> (should be done after some uptime)
> 
>     MAX initial storage  1073741824  (1024.0 MB)
>     Freeheld bytes 45106900  (43.0 MB)                  <- 
> this is needed by
> the TSM Server
>     MaxQuickFree bytes 52682955  (50.2 MB)        <- this 
> should be always
> greater than freeheld
>     51 Page buffers of 25724 : 194 buffers of 3215.
>     26 Large buffers of 1607 : 153 XLarge buffers of 200.
>    186666 buffers free: 257114 hiAlloc buffers: 70448 current buffers.
>    144822 units of 56 bytes hiAlloc: 58024 units of 56 bytes hiCur.
>   0000001 blocks, total 0002672, lgst 0002672 avg 0002672  by ¨0Cf?+
> Ñ+80000E08.
>   0000001 blocks, total 0000136, lgst 0000136 avg 0000136  by ¨0Cf?+
> Ñ+80000080.
>   0000001 blocks, total 0006652, lgst 0006652 avg 0006652  by ¨0Cf?+
> Ñ+80000078.
>   0000007 blocks, total 0001232, lgst 0000176 avg 0000176  by ¨0Cf?+
> Ñ+80000062.
>   0000669 blocks, total 0065147, lgst 0000285 avg 0000097  by ¨0Cf?+
> Ñ+800009DE.
> 
> 
> with "Show Memu SET MAXQUICK  52682955" set the     
> MaxQuickFree to about
> 50M
> 
> 
> All at your own risk!
> 
> Kind regards,
> Stefan Holzwarth
> 
> --------------------------------------------------------------
> --------------
> --
> Stefan Holzwarth
> ADAC e.V. (Informationsverarbeitung - Systemtechnik - 
> Basisdienste) Am Westpark 8, 81373 München, Tel.: (089) 
> 7676-5212, Fax: (089) 76768924 mailto:stefan.holzwarth AT adac DOT de
> 

<Prev in Thread] Current Thread [Next in Thread>