The statistics are described in detail in the DFHCFS6D data area.
The individual fields have the following meanings.
Statistic name | Field | Description |
---|---|---|
Structure | ||
S6NAME | Full name of list structure | |
S6PREF | First part of structure name | |
S6POOL | Pool name part of structure name | |
S6CNNAME | Name of connection to structure | |
S6CNPREF | Prefix for connection name | |
S6CNSYSN | Own MVS™ system name from CVTSNAME | |
Size | S6SIZE | Current allocated size of the list structure. |
Max size | S6SIZEMX | Maximum size to which this structure could be altered. |
Lists | ||
Total | S6HDRS | Maximum number of list headers in the structure. |
Control | S6HDRSCT | Number of lists in use for control information. |
Data | S6HDRSTD | Number of lists in use for table data. |
Structure | ||
Elem size | S6ELEMLN | Data element size used for the structure. |
S6ELEMPW | Data element size as a power of 2 | |
S6ELEMRT | Element side of entry:element ratio | |
S6ENTRRT | Entry side of entry:element ratio | |
Entries | ||
In use | S6ENTRCT | Number of entries currently in use. |
Max used | S6ENTRHI | Maximum number in use (since last reset). |
Min free | S6ENTRLO | Minumum number of free entries (since last reset). |
Total | S6ENTRMX | Total entries in the currently allocated structure (initially set at structure connection time and updated on completion of any structure alter request). |
Elements | ||
In Use | S6ELEMCT | Number of elements currently in use. |
Max Used | S6ELEMHI | Maximum number in use (since last reset). |
Min Free | S6ELEMLO | Minimum number of free elements (since last reset) |
Total | S6ELEMMX | Total data elements in the currently allocated structure (initially set at structure connection time and updated on completion of any structure alter request). |
List entry counts | ||
S6USEVEC | Usage vector, five pairs of words | |
S6USEDCT | Number of entries on used list | |
S6USEDHI | Highest number of entries on used list | |
S6FREECT | Number of entries on free list | |
S6FREEHI | Highest number of entries on free list | |
S6INDXCT | Number of entries in table index | |
S6INDXHI | Highest entries in table index | |
S6APPLCT | Number of entries in APPLID list | |
S6APPLHI | Highest entries in APPLID list | |
S6UOWLCT | Number of entries in UOW list | |
S6UOWLHI | Highest entries in UOW list | |
Main type of CF request | ||
Table index lists | ||
Reads | S6RDICT | Number of table index reads. |
Write | S6WRICT | Number of table index writes to create new tables. |
Rewrite | S6RWICT | Number of table index writes to update table status. |
Delete | S6DLICT | Number of table index deletes. |
Data list controls | ||
Writes | S6CRLCT | Number of times a new data list was allocated. |
Rewrites | S6MDLCT | Number of times data list controls were modified. |
Deletes | S6DLLCT | Number of times a data list was deleted for reuse. |
Table data record | ||
Reads | S6RDDCT | Number of data entry reads. |
Writes | S6WRDCT | Number of data entry writes. |
Rewrites | S6RWDCT | Number of data entry rewrites. |
Deletes | S6DLDCT | Number of data entry deletes. |
Data list controls | ||
Reads | S6INLCT | Inquire on data list |
Lock release messages | ||
Reads | S6RDMCT | Number of lock release messages read by this server. |
Writes | S6WRMCT | Number of lock release messages sent by this server. |
UOW index list | ||
Reads | S6RDUCT | Number of UOW list reads. |
Writes | S6WRUCT | Number of UOW list writes (usually at PREPARE) |
Rewrites | S6RWUCT | Number of UOW list rewites (usually at COMMIT). |
Deletes | S6DLUCT | Number of UOW list deletes (usually after COMMIT). |
APPLID index lists | ||
Read | S6RDACT | Read APPLID entry |
Write | S6WRACT | Write APPLID entry |
Rewrite | S6RWACT | Rewrite APPLID entry |
Delete | S6DLACT | Delete APPLID entry |
Internal CF requests | ||
S6RRLCT | Reread entry for full data length | |
Asynch | S6ASYCT | Number of requests for which completion was asynchronous. |
IXLLIST completion | ||
Normal | S6RSP1CT | Number of normal responses. |
Len err | S6RSP2CT | Entry data was larger than the inputbuffer length, which normally results in a retry with a larger buffer. |
Not fnd | S6RSP3CT | The specified entry (table or item) was not found. |
Vers chk | S6RSP4CT | A version check failed for an entry being updated, indicating that another task had updated it first. |
List chk | S6RSP5CT | A list authority comparison failed, mismatch caused by table status update |
List full | S6RSP6CT | A table reached the maximum number of items causing the relevant list to be marked as full. |
Str full | S6RSP7CT | The list structure became full. |
I/O err | S6RSP8CT | Some other error code was returned by IXLLIST. |