IBM DB2 10 Migration Planning and Very Early ... - GSE Belux
IBM DB2 10 Migration Planning and Very Early ... - GSE Belux
IBM DB2 10 Migration Planning and Very Early ... - GSE Belux
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Performance <strong>and</strong> Scalability …<br />
Measurements of <strong>IBM</strong> Relational<br />
Warehouse Workload (IRWW) with<br />
data sharing<br />
– Base: <strong>DB2</strong> 9 NFM REBIND with<br />
PLANMGMT EXTENDED<br />
– <strong>DB2</strong> 9 NFM <strong>DB2</strong> <strong>10</strong> CM without<br />
REBIND showed 1.3% CPU reduction<br />
– <strong>DB2</strong> <strong>10</strong> CM REBIND with same access<br />
path showed 4.8% CPU reduction<br />
– <strong>DB2</strong> <strong>10</strong> NFM brought 5.1% CPU reduction<br />
– <strong>DB2</strong> <strong>10</strong> CM or NFM with RELEASE<br />
DEALLOCATE 12.6% CPU reduction from<br />
<strong>DB2</strong> 9<br />
14<br />
12<br />
<strong>10</strong><br />
8<br />
6<br />
4<br />
2<br />
0<br />
CM<br />
CM<br />
REBIND<br />
NFM<br />
DEALLOC<br />
19<br />
© 2011 <strong>IBM</strong> Corporation
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