For queues that do not exceed 32K bytes, the data is included in the queue index; otherwise, it is stored as a separate list. The individual fields have the following meanings.
The statistics are described in detail in the DFHXQS1D data area.
Statistic name | Field | Description |
---|---|---|
Structure | S1PREF | First part of structure name |
Structure | S1POOL | Poolname part of structure name |
Structure | S1CNPREF | Prefix for connection name |
Structure | S1CNSYSN | Own MVS™ system name from CVTSNAME |
Structure: Size | S1SIZE | Current allocated size of the list structure. |
Structure: Elem size | S1ELEMLN | Data element size, fullword, used for the structure. |
Structure: Max size | S1SIZEMX | Maximum size to which this structure could be altered. |
Lists: Total | S1HDRS | Maximum number of list headers |
Lists: Control | S1HDRSCT | Headers used for control lists |
Lists: Data | S1HDRSQD | Headers available for queue data |
Lists: In use | S1USEDCT | Number of entries on used list |
Lists: Max used | S1USEDHI | Highest number of entries on used list |
Entries: In Use | S1ENTRCT | Number of entries currently in use. |
Entries: Max Used | S1ENTRHI | Maximum number in use (since last reset). |
Entries: Min Free | S1ENTRLO | Minimum number of free entries (since last reset). |
Entries: Total | S1ENTRMX | Total data entries in the currently allocated structure. (Obtained at connection time, may be updated by ALTER). |
Entries | S1FREECT | Number of entries on free list |
Entries | S1ENTRRT | Entry size of entry to element ratio |
Entries | S1FREEHI | Highest number of entries on free list |
Elements: In use | S1ELEMCT | Number of elements currently in use. |
Elements: Max used | S1ELEMHI | Maximum number in use (since last reset). |
Elements: Min free | S1ELEMLO | Number of elements currently free (total minus used). |
Elements: Total | S1ELEMMX | Total data elements in the currently allocated structure. (Obtained at connection time, may be updated by ALTER). |
Elements | S1ELEMPW | Data element size, power of 2, used for the structure. |
Elements | S1ELEMPE | Maximum number of elements per entry (for 32K) |
Elements | S1ELEMRT | Element size of entry to element ratio. |
Queues: Current | S1INDXCT | Number of queues currently in existence. |
Queues: Highest | S1INDXHI | Highest number of queues at any time (since last reset). |
Index access counts: Wrt adjs | S1WRACT | Number of index writes to update adjunct area only. (This area contains the read cursor for small queues and the queue status including last used data). |
Index access counts: Inquires | S1INQCT | Inquire on queue index entry |
Index access counts: Reads | S1RDQCT | Read queue index entry |
Index access counts: Writes | S1WRQCT | Write queue index entry. |
Index access counts: Deletes | S1DLQCT | Delete queue index entry. |
index access counts: Rereads | S1RRQCT | Number of index data reads which had to be repeated because the data was larger than the default data transfer size. |
Data access counts: Creates | S1CRLCT | Number of times a separate data list was created. |
Data access counts: Writes | S1WRLCT | Number of queue writes (new or update) for list data. |
Data access counts: Reads | S1RDLCT | Number of list data reads. |
Data access counts: Deletes | S1DLLCT | Delete list (1 per overall delete). |
Data access counts: Rereads | S1RRLCT | Number of list data reads which had to be repeated because the data was larger than the default data transfer size. |
Data access counts: Rewrites | S1RWLCT | Rewrite list entry. |
Data access counts: | S1INLCT | Inquire on list entry |
Response counts: Asynch | S1ASYCT | Number of asynchronous requests. |
Response counts: Unavail | S1RSP9CT | Structure temporarily unavailable, for example during rebuild. |
Response counts: Normal | S1RSP1CT | Number of normal responses. |
Response counts: Timeout | S1RSP2CT | Request timed out by the CF and should be restarted. |
Response counts: Not fnd | S1RSP3CT | Specified entry (queue or item) was not found. |
Response counts: Vers chk | S1RSP4CT | A version check failed for an entry being updated, indicating another task had updated it first. |
Response counts: List chk | S1RSP5CT | A list authority comparison failed, usually indicating big queue was deleted. |
Response counts: List full | S1RSP6CT | Maximum list key reached, indicating max queue size or max queues reached depending on list. |
Response counts: Str full | S1RSP7CT | The list structure is out of space. |
Response counts: I/O err | S1RSP8CT | An IXLLIST return code occurred other than those described above. |