DB2 UDB for z/OS Version 8 Performance Topics - IBM Redbooks

– REAL AND AUXILIARY STORAGE
This is the new block containing the real storage statistics counters.
– EDM POOL
The block has been extended to contain the field QISESTMT with label STATEMENTS
IN GLOBAL CACHE.
► Statistics SAVE file
The statistics SAVE file layout has been changed. The Statistics SAVE migration and
convert programs shipped with the PTF must be used from now on.
► Performance Database
The new fields of IFCID 225 are supported in the Statistics General Table of the
Performance Database. The member SFPESAMP(DGOSUPDB) contains ALTER
statements for migration purposes.
The member SFPESAMP(DGOSQGEN) contains a query that calculates the formulas
for “average thread footprint” and “max number of possible threads” within the
performance database.
► Performance Warehouse
The PE Server shipped with the PTF automatically adds the new columns to the
Statistics General Table of the Performance Warehouse.
► Documentation
The PE books have been republished in December 2004 and contain updates about
these changes.
10.3 Tivoli OMEGAMON XE for DB2 on z/OS
IBM Tivoli OMEGAMON XE for DB2 on z/OS is the next evolution in OMEGAMON
performance and availability solutions designed to help you proactively manage your DB2
mainframe environment and tune for optimal performance. Its Web interface provides a single
interface at the big picture and granular levels, including interaction between DB2 and other
applications. IBM Tivoli OMEGAMON XE for DB2 on z/OS helps you identify performance
spikes and anomalies that might otherwise go unseen, take action in real time and automate
repetitive DB2 operations.
In addition to offering leading performance and availability management for DB2, Tivoli
OMEGAMON XE for DB2 integrates with other Tivoli products. You can use these integrated
products to deploy true end-to-end availability management and help prevent threats to
system performance before they impact service levels.
Tivoli OMEGAMON XE for DB2 helps you monitor and tune how Workload Manager allocates
and balances resources to find the source of performance problems quickly and adjust
resources accordingly. You can gain visibility into, and control over, enclave usage. And you
can analyze transaction rate information to identify overloaded and under performing
workloads. Optimize use of the coupling facility in Parallel Sysplex environments.
Because Tivoli OMEGAMON XE for DB2 gives you a single point of control over your DB2
parallel data sharing environment, you have the information necessary to detect, isolate and
resolve problems. To optimize the performance of the coupling facility in the Parallel Sysplex,
you can analyze coupling facility structures, participating member status and contention rates.
366 DB2 UDB for z/OS Version 8 Performance Topics