Data Element list used by SAP ABAP Table DB2QBST (Buffer Manager Statistics Block)
SAP ABAP Table
DB2QBST (Buffer Manager Statistics Block) is using
| # | Object Type | Object Name | Object Description | Note |
|---|---|---|---|---|
| 1 | CHAR1 | Single-Character Flag | ||
| 2 | DB2BINUSE | Percentage of buffers currently in use | ||
| 3 | DB2BSTBPNM | DB2 buffer pool name | ||
| 4 | DB2BSTCBA | Number of currently active (non-stealable) buffers | ||
| 5 | DB2BSTDIO | Number of dynamic prefetch reads | ||
| 6 | DB2BSTDMC | Number of times the data manager threshold was reached | ||
| 7 | DB2BSTDPF | Number of dynamic prefetch requests | ||
| 8 | DB2BSTDPP | Number of pages read via dynamic prefetch read I/O | ||
| 9 | DB2BSTDSO | Number of datasets successfully opened physically | ||
| 10 | DB2BSTDWT | Number of times the deferred write threshold was reached | ||
| 11 | DB2BSTDWV | Number of times vertical deferred write threshold is reached | ||
| 12 | DB2BSTGET | Number of get page requests (conditional and unconditional) | ||
| 13 | DB2BSTHITR | Buffer hit ratio | ||
| 14 | DB2BSTIMW | Number of immediate writes | ||
| 15 | DB2BSTJIS | Total number of denied concurrent prefetch I/O streams | ||
| 16 | DB2BSTLIO | Number of list prefetch reads | ||
| 17 | DB2BSTLPF | Number of list prefetch requests | ||
| 18 | DB2BSTLPL | Number of times one or more pages were added to LPL | ||
| 19 | DB2BSTLPP | Number of pages read via list prefetch | ||
| 20 | DB2BSTMAX | Number of times a work file could not be opened | ||
| 21 | DB2BSTMIG | Number of times migrated datasets were encountered | ||
| 22 | DB2BSTNGT | # of unsuccessful GETPAGE due conditional GETPAGE request | ||
| 23 | DB2BSTPIO | Number of sequential prefetch reads | ||
| 24 | DB2BSTPL1 | Prefetch quantity is reduced from normal to 50% | ||
| 25 | DB2BSTPL2 | Number of occurrences of prefetch quantity reduced 1/4 | ||
| 26 | DB2BSTPQF | The parallel query went into reduced or degenerated mode | ||
| 27 | DB2BSTPQO | Total no. of requests for parallel query support | ||
| 28 | DB2BSTPWS | Number of pages written | ||
| 29 | DB2BSTREE | Sequential prefetch disabled - unavailable read engine | ||
| 30 | DB2BSTRIO | Number of synchronous read I/O operations | ||
| 31 | DB2BSTRPI | Number of page inserts required for read I/O | ||
| 32 | DB2BSTRTO | Number of recall timeouts | ||
| 33 | DB2BSTSEQ | Number of sequential prefetch requests | ||
| 34 | DB2BSTSGT | Number of get page requests issued by sequential access req. | ||
| 35 | DB2BSTSIO | Synchronous read requests issued by sequential access req. | ||
| 36 | DB2BSTSPD | Sequential prefetch disabled - no buffers available | ||
| 37 | DB2BSTSPP | Number of pages read because of normal sequential prefetch | ||
| 38 | DB2BSTSWS | Update intents against pages in the buffer pool | ||
| 39 | DB2BSTVPA | Number of successful virtual buffer pool expans./contract. | ||
| 40 | DB2BSTVPL | Number of buffers allocated for virtual buffer pool | ||
| 41 | DB2BSTWBVQ | Number of Pages Removed from the DWQ for Destructive Read | ||
| 42 | DB2BSTWDRP | Number of pages for which destructive read was requested | ||
| 43 | DB2BSTWEE | A write engine is unavailable for asynchronous write I/O | ||
| 44 | DB2BSTWFD | Work file requests were rejected due to buffer pool shortage | ||
| 45 | DB2BSTWFF | Number of times a merge pass could not be performed | ||
| 46 | DB2BSTWFM | Maximum number of work files concurrently used | ||
| 47 | DB2BSTWFR | Number of merge passes requested for DB2 sort activities | ||
| 48 | DB2BSTWFT | Number of merge passes requested for DB2 sort activities | ||
| 49 | DB2BSTWIO | Number of asynchronous writes | ||
| 50 | DB2BSTWKPD | Number of work prefetches not scheduled due to zero prefetch | ||
| 51 | DB2BSTWPI | Number of page inserts required for write I/O | ||
| 52 | DB2BSTXFL | Number of times the virtual buffer pool was full | ||
| 53 | DB2BSTXFV | Total number of virtual buffer pool or hiperpool failures | ||
| 54 | DB2BSTXIS | Highest number of concurrent prefetch I/O streams | ||
| 55 | DB2BUPDRAT | Buffer Update Rate | ||
| 56 | DB2DBPVPTY | Type of virtual buffer pool | ||
| 57 | DB2DEC19V | dec 19 with sign | ||
| 58 | DB2DEC19V | dec 19 with sign | ||
| 59 | DB2DEC19V | dec 19 with sign | ||
| 60 | DB2DEC19V | dec 19 with sign | ||
| 61 | DB2DEC19V | dec 19 with sign | ||
| 62 | DB2GETPRAT | Number of Getpage Requests per Second | ||
| 63 | DB2GETPRND | Number of Random Access Getpage Requests | ||
| 64 | DB2NUMC10 | Field type numc, length 10, integer | ||
| 65 | DB2PAGEIN | Number of page-ins | ||
| 66 | DB2PGPDYNP | Number of Pages Read per Dynamic Prefetch Read | ||
| 67 | DB2PGPLISP | Number of Pages Read per List Prefetch Read | ||
| 68 | DB2PGPSEQP | Number of Pages Read per Sequential Prefetch Read | ||
| 69 | DB2PREFDIS | Number of Times Sequential Prefetch Was Disabled | ||
| 70 | DB2PWPWIO | Pages written per write I/O | ||
| 71 | DB2READRAT | Read rate per second | ||
| 72 | DB2RNDHITR | Random hit ratio | ||
| 73 | DB2SIOSGT | Sync. seq. reads / seq. getpages | ||
| 74 | DB2SWRTRATE | Sync writes / ( sync writes + async writes) | ||
| 75 | DB2SYNRRND | Number of Random Access Synchronous Reads | ||
| 76 | DB2UPPPWRI | Buffer update per pages written | ||
| 77 | DB2VPSHORT | Number of Virtual Pool Shortages | ||
| 78 | DB2WFNPDMP | Average Work Files Not Given per Degraded Merge Pass | ||
| 79 | DB2WFPMRGP | Average Work Files per Merge Pass | ||
| 80 | DB2WRITRAT | Write rate = ( Synchronous + async. writes ) / interval |