(DI-1808) Collector for BW statistics
The collector for BW statistics is named: /DVD/MON_BW_CL_COL_RSDDSTATS
It collects statistical KPIs about BW. The KPIs are defined via KPI definition and input table /DVD/MON_BWSTDEF, which sets extended KPI definition with following fields:
KPI name | Same technical name like in KPI definition |
Event ID | OLAP Statistics Event |
User name | User name |
Step type | OLAP Statistics: Step Type |
InfoProvider | InfoProvider |
Object name | OLAP Statistik Object Name |
DBTRANS | Max No. of Transfered Records |
Function | AVG( RUNTIME ) MAX( EVTIME ) COUINT( * ) |
MIN_HINT | Minimum number of steps to calculate value |
DECIMALS | Number of decimals of value for displaying KPI |
Change by user | Last change by user [automatically filled] |
Change date | Last change date [automatically filled] |
The collector provides also detailed output in detail table for relevant KPIs. The detail table is called: BW Failed query on DM - /DVD/MON_BWMISDM with following fields:
Timestamp |
System ID |
BW Statistics: Day |
BW Statistics Time |
STEPUID |
Internal ID of a Query Runtime Object |
Internal Type of Query Runtime Object |
OLAP Statistik Object Name |
User Name |
Some KPIs are provided in standard delivery with collector as examples:
KPI name | Description | Unit |
BW_9000DMMISS | Number of queries failing on DM (BWA, DB, HANA) | count |
BW_SSQL_ALLNO | SQL-Total number of subqueries | count |
BW_SSQL_ALLTIM | SQL-Total time spent on subqueries | |
BW_SSQL_SQAR | SQL-Average runtime of small subqueries | |
BW_SSQL_SQLO | SQL-No of small subqueries long running (eg > 10 SEC) | count |
BW_SSQL_SQNO | SQL-No of small subqueries | count |
BW_SUBQ_ALLNO | nonSQL-Total number of subqueries (BWA or HANA) | count |
BW_SUBQ_ALLTIM | nonSQL-Total time spent on subqueries (BWA or HANA) | |
BW_SUBQ_SQAR | nonSQL-Average runtime of small subqueries (BWA or HANA) | |
BW_SUBQ_SQLO | nonSQL-No of small subqueries long running (eg>10SEC) eg BWA | count |
BW_SUBQ_SQNO | nonSQL-No of small subqueries (BWA or HANA) | count |
NOTE: All standard BW statistical KPIs have prefix BW_*