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 />
Use of 1MB size real storage page frames on z<strong>10</strong> <strong>and</strong> z196 …<br />
– Useful comm<strong>and</strong>s<br />
• <strong>DB2</strong> -DISPLAY BUFFERPOOL(BP1) SERVICE=4<br />
– Useful comm<strong>and</strong> to find out how many 1MB size page frames are being used<br />
– Especially useful when running multiple <strong>DB2</strong> subsystems on the same LPAR<br />
– See DSNB999I message<br />
• MVS -DISPLAY VIRTSTOR,LFAREA<br />
– Show total LFAREA, allocation split across 4KB <strong>and</strong> 1MB size frames, what is available<br />
– See IAR019I message<br />
28<br />
© 2011 <strong>IBM</strong> Corporation
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