ADSM-L

Expiration performance problem

2002-08-08 04:01:52
Subject: Expiration performance problem
From: Tomáš Hrouda <throuda AT HTD DOT CZ>
To: ADSM-L AT VM.MARIST DOT EDU
Date: Thu, 8 Aug 2002 09:59:38 +0200
Hi all,

Env: TSM server 4.2.0.0 on MVS 2.9
Database 20GB, 66% utilized, 8 volumes on HP512 (4x ESCON connected)

In last two months expiration process dramaticaly slowed down to approx
500-1000 objects/minute. Expipration of 100.000 objects takes 3-4 hours (no
other TSM processes runs at a time, TSM have about 800MB memory allocateed).
Compared to our other TSM environments it is very slow. DB grows from 10GB
to 20GB in last 2-3 months.

Any idea? Tune some parameters? Increase memory allocation? Or any ather
action like unload/load DB?


Any help will be appreciated.

Tom

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