DB2 for z/OS V8 - Guide Share France

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V7: Start IFCID 225 destination SMF if not yet done -START TRACE(STAT) DEST(SMF) CLASS(6) IFCID(225) DSNW127I -DAC1 CURRENT TRACE ACTIVITY IS - TNO TYPE CLASS DEST QUAL 01 STAT 01,03,04,05, SMF NO 01 06 02 ACCTG 01,02,03 SMF NO *********END OF DISPLAY TRACE SUMMARY DATA********* Tiny overhead PQ99658: System parameter STATIME default time is reduced from 30 minutes to 5 IFCID 225 is added to STATISTICS trace class 1 © 2007 MConsulting - cristian@molaro.be 28
STATISTICS EXEC REPORT DDNAME(STATSDD) LAYOUT(LONG) LOCATION: DBGP DB2 PERFORMANCE MONITOR (V4 ) PAGE: 2-10 GROUP: N/P STATISTICS REPORT - LONG REQUESTED FROM: NOT SPECIFIED MEMBER: N/P TO: NOT SPECIFIED SUBSYSTEM: DBPX INTERVAL FROM: 11/16/07 DB2 VERSION: V8 SCOPE: MEMBER TO: 11/18/07 DBM1 AND MVS STORAGE BELOW 2 GB QUANTITY DBM1 AND MVS STORAGE BELOW 2 GB QUANTITY ---------------------------------------- ---------- --------------------------------------- ----------- TOTAL DBM1 STORAGE BELOW 2 GB (MB) 126.39 24 BIT LOW PRIVATE (MB) 0.21 TOTAL GETMAINED STORAGE (MB) 118.22 24 BIT HIGH PRIVATE (MB) 0.34 VIRTUAL BUFFER POOLS (MB) N/A 31 BIT EXTENDED LOW PRIVATE (MB) 31.41 VIRTUAL POOL CONTROL BLOCKS (MB) N/A 31 BIT EXTENDED HIGH PRIVATE (MB) 142.20 EDM POOL (MB) 117.19 EXTENDED REGION SIZE (MAX) (MB) 1643.00 COMPRESSION DICTIONARY (MB) N/A EXTENDED CSA SIZE (MB) 244.28 … DBM1 STORAGE ABOVE 2 GB QUANTITY REAL AND AUXILIARY STORAGE QUANTITY --------------------------------------- ----------- --------------------------------------- ----------- FIXED STORAGE (MB) 0.01 REAL STORAGE IN USE (MB) 115.68 GETMAINED STORAGE (MB) 164.21 AUXILIARY STORAGE IN USE (MB) 0.00 COMPRESSION DICTIONARY (MB) 0.12 CACHED DYNSQL STATEMENTS (MAX) (MB) 52.89 DBD CACHE (MAX) (MB) 52.89 PAGES HELD BY DBDS 216.20 … © 2007 MConsulting - cristian@molaro.be 29
Page 1 and 2: Cristian Molaro MConsulting BELGIUM
Page 3 and 4: © 2007 MConsulting - cristian@mola
Page 5 and 6: Critical APAR: ====================
Page 9 and 10: DFSORT is mandatory for IBM utiliti
Page 11 and 12: SPAS stored procedures not longer s
Page 13 and 14: WLM address space fails at start: D
Page 17 and 18: CM EN FM NF M CM EN FM NF M NF M CM
Page 19 and 20: DSN TRKS CYLS DB TS CI Size RECORDS
Page 21 and 22: Total elapsed time = 5 min Copies
Page 23 and 24: Compare EXPLAIN tables V7 vs. V8:
Page 27: 64 bits addressing is NOT the solut
Page 31 and 32: Paul Fletcher’s REXX for READS an
Page 33 and 34: IBM published CPU expected changes
Page 35 and 36: Rebind all packages/plans Multi-ro
Page 37 and 38: New in V8: BACKUP SYSTEM RESTORE
Page 39 and 40: Define separate ICF Catalogs User
Page 41 and 42: Creates full volume dasd copies of
Page 43 and 44: Restores DB2 system to specified po
Page 45 and 46: Good news: sliding secondary alloca
Page 47 and 48: Default PRIQTY 1 cylinder for non-
Page 49 and 50: INSTALL DB2 - SIZES PANEL 2 ===> Ch
Page 51 and 52: Materialized Query Tables = MQTs T
Page 53 and 54: Original query: SELECT DISTINCT(REP
Page 55 and 56: MQT creation: CREATE TABLE MQT.TEST
Page 57 and 58: New access path: © 2007 MConsultin
Page 59 and 60: New in V8: Statistics Advisor Lis
Page 63 and 64: zIIPs NOT PADDED Indexes Backwards
Page 65 and 66: Moving to V8 is good Take document

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