Logstream: Summary request statistics

These statistics fields contain the logstream summary request data. Summary statistics are not available online.

Table 1. Logstream: Summary request statistics
DFHSTUP name Description
Log Stream Name The logstream name.
Write Requests The total number of WRITEs of blocks of data to the logstream.
Bytes Written The total number of bytes written to the logstream.
Buffer Appends The total number of occasions on which a journal record was successfully appended to the current logstream buffer.
Waits Buffer Full The total number of attempts made to append a journal record to the current logstream while the buffers were logically full.
Peak Force Wtrs The peak number of tasks suspended while requesting a FLUSH of the logstream buffer currently in use.
Total Force Waits The total number of tasks suspended while requesting a FLUSH of the logstream buffer currently in use.
Log Browse Starts The total number of BROWSE operations started on the logstream. For non-system log logstreams, the report will show 'N/A' here, as you cannot browse these.
Log Browse Reads The total number of READs of blocks of data from the logstream. For non-system log logstreams, the report will show 'N/A' here, as you cannot browse these.
Retry Errors The total number of occasions on which z/OS® System Logger retryable errors occurred when a block of data was being written to the logstream.