This table is designed to provide what is termed internal statistics and contains one row. This information could be important for the current version but is subject to change between versions and possibly within a version. The addition or removal of fields is very likely.
|
Column Name |
SQL Data Type |
Nullable |
Description |
|---|---|---|---|
|
BREAKS_DONE
|
DECIMAL(11,0) |
No |
Number of times the startup option BREAK occurred to cause a task to allow a task switch. It does not indicate if another task of equal or higher priority was ready to run and was dispatched. |
|
DEFRAG_REDBR |
INTEGER |
No |
Contains the count of the number of times backwards processing (such as LOCBR) interrupted an active DBUTLTY DEFRAG function. |
|
INDEX_Q_CUR_ENTS |
INTEGER |
No |
Current number of unprocessed entries in the index queue. |
|
INDEX_Q_MAX_ENTS |
INTEGER |
No |
Maximum number of unprocessed entries in the index queue for the life of this MUF. |
|
INDEX_Q_CUR_DBIDS |
SMALLINT |
No |
Contains the current number of unique DBIDs with unprocessed entries in the index queue. |
|
INDEX_Q_MAX_DBIDS |
SMALLINT |
No |
Contains the maximum number of unique DBIDs with unprocessed entries in the index queue for the life of this MUF. |
|
IO_DASD_RETRY |
INTEGER |
No |
Count of times the operating system required CA Datacom to reissue a physical I/O because of a "retry" return code. |
|
IO_MEM_SHORT
|
INTEGER |
No |
Times I/O restricted in z/OS due to 24-bit memory shortage. |
|
MRDF_IXX_DIRECT |
DECIMAL(11,0) |
No |
Contains the count of times the MRDF facility referenced an IXX block directly, without moving it to an IXX buffer. |
|
MUF_NAME
|
CHAR(8) |
No |
Name of the MUF specified in the MUF Multi-User startup option or the name of the MUF job name. |
|
TIMES_READ_1
|
INTEGER |
No |
During sequential GETIT/GETPS, CBS, and ADDIT processing it is possible that CA Datacom/DB would choose to read multiple blocks with one EXCP. This counter reflects the number of times that only one block was read. |
|
TIMES_READ_2_8
|
INTEGER |
No |
During sequential GETIT/GETPS, CBS, and ADDIT processing it is possible that CA Datacom/DB would choose to read multiple blocks with one EXCP. This counter reflects the number of times that two through eight blocks were read. |
|
TIMES_READ_9_32
|
INTEGER |
No |
During sequential GETIT/GETPS, CBS, and ADDIT processing it is possible that CA Datacom/DB would choose to read multiple blocks with one EXCP. This counter reflects the number of times that 9 through 32 blocks were read. |
|
TIMES_READ_33_99
|
INTEGER |
No |
During sequential GETIT/GETPS, CBS, and ADDIT processing it is possible that ,CA Datacom/DB would choose to read multiple blocks with one EXCP. This counter reflects the number of times that 33 or more blocks were read. |
|
TIMES_WRITE_1
|
INTEGER |
No |
With pipelining, multiple blocks in an area frequently need to be written. If these blocks are physically close on DASD, CA Datacom/DB attempts to write more than one at a time. This count is the times a write was necessary to the index or data and only one block needed to be or could be written. |
|
TIMES_WRITE_2_12
|
INTEGER |
No |
See previous description. This is a count of the times that 2 through 12 blocks could be written together in one EXCP. |
|
TIMES_WRITE_13_24
|
INTEGER |
No |
See previous description. This is a count of the times that 13 through 24 blocks could be written together in one EXCP. |
|
TIMES_WRITE_25_48
|
INTEGER |
No |
See previous description. This is a count of the times that 25 through 48 blocks could be written together in one EXCP. |
|
XCF_ALL_PATHS_BUSY |
INTEGER |
No |
Count of times an XCF message send failed because all XCF signaling paths were busy resulting in a retry. |
|
XCF_MISC_ENV_ERROR |
INTEGER |
No |
Count of times an XCF message send failed for environmental reasons other than paths busy or too few message buffers resulting in a retry. |
|
XCF_REJECT_MSG_IN |
INTEGER |
No |
Count of messages received by MUF with characteristics which made them unacceptable for processing. |
|
XCF_RETRY_LIM_HIT |
INTEGER |
No |
Count of the number of XCF messages for which the retry limit was exceeded and therefore had to be queried for action by a subtask. |
|
XCF_SUBSYS_FAILURE |
INTEGER |
No |
Count of times an XCF message send failed because the MVS XCF component failed. |
|
XCF_TOO_FEW_MSGBUF |
INTEGER |
No |
Count of times an XCF message send failed due to a shortage of XCF buffers resulting in a retry. |
|
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