Coupling facility data tables: request statistics

These statistics are described in detail in the DFHCFS8D data area. The individual fields have the following meanings:

Table 178. Coupling facility data tables:request statistics
Statistic name Field Description
Vector
S8STATS Statistics vector
Table
Open S8OCOPEN Number of successful OPEN requests for the table
Close S8OCCLOS Number of successful CLOSE requests for the table.
Set Attr S8OCSET Number of times new table status was set.
Delete S8OCDELE Number of times the table of that name was deleted.
Stats S8OCSTAT Number of times table access statistics were extracted.
Record
Point S8RQPOIN Number of POINT requests.
Highest S8RQHIGH Number of requests for current highest key
Read S8RQREAD Number of READ requests (including those for UPDATE)
Read Del S8RQRDDL Number of combined READ and DELETE requests
Unlock S8RQUNLK Number of UNLOCK requests.
Loads S8RQLOAD Number of records written by initial load requests.
Write S8RQWRIT Number of WRITE requests for new records
Rewrite S8RQREWR Number of REQRITE requests.
Delete S8RQDELE Number of DELETE requests.
Del Mult S8RQDELM Number of multiple (generic) delete requests
Table
Inquire S8IQINQU Number of INQUIRE table requests.
UOW
Prepare S8SPPREP Number of units of work prepared.
Retain S8SPRETA Number of units of work whose locks were retained.
Commit S8SPCOMM Number of units of work committed.
Backout S8SPBACK Number of units of work backed out.
Inquire S8SPINQU Number of units of work INQUIRE requests.
Restart S8SPREST Number of times recoverable connections were restarted.

Related reference
Coupling Facility Data Table Pools Report
Interpreting server statistics
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