Format of the data capture log records
The topics in this section describe the format of the data capture log records.
Data capture log record prefix
The data capture log record prefix contains fields that describe the length, data capture subcode, recovery token, and CPU store clock time stamp of the log record.
Changed data log record format
The changed data log record contains fields that describe the first and last log records written for the call, the user ID for the call, the data element that is being logged, and other information regarding the log record.
Format for data element header
The data element header contains fields that describe the type and length of data being logged as well as options for z/OS® compression services.
CAPD block format (LOGID=X'00')
The CAPD block contains fields that describe the name of the exit routine that is to be given control, the name of the physical database, the segment code, and other information that relates to the log record.
CAPD_DATA format (LOGID=X'0C')
The CAPD_DATA block contains fields that describe the name of the physical segment that is captured, the type of data being captured, the length and offset of the segment's key, and other information that pertains to the log record.
End of Job call log record format
The end of job call log record contains various fields that describe the length of the record, the recovery token, and the CPU store clock time stamp.
SETS and ROLS call log record format
The SETS and ROLS call log record contains various fields that describe the length of the record, the recovery token, and the CPU store clock time stamp.
Parent topic:
Asynchronous data propagation