PEEK Reference Manual

PEEK Syntax and Examples
PEEK Reference Manual — 529657-006
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Elements of the MQCINFO Display
Elements of the MQCINFO Display
Table 2-5. MQCINFO Elements Reported in the MQCINFO Display
Element Description
MQC SIZE Size of each MQC in bytes.
CURRENT ENTRIES Number of MQC entries currently allocated and in use.
HIGH ENTRIES Highest number of MQC entries ever allocated.
FREE COUNT Number of MQCs currently allocated but not in use.
PAGE COUNT Number of physical memory pages used for each MQC.
TABLE SIZE Maximum number of MQC entries of a given size that the system
can
ever
contain.
CURRENT LIMIT Maximum number of entries currently allowed. If CURRENT
EN
TRIES exceeds CURRE
NT LIMIT, the system attempts to
reduce CURRENT ENTRIES down to CURRENT LIMIT.
STEALS Number of replacements performed.
UNLOCKS Number of entries that are no longer allocated.
MQC SIZES Size of each MQC that is large enough to store a message in
cache (in bytes).
CONTROL READS Number of times that control information has been read from the
MQCs by use
rs of
the message system.
CONTROL HITS Percentage of the reads of control information that were satisfied
by informatio
n still in the MQC cache. T
hese numbers should
remain at or near 100 percent most of the time.
DATA READS Number of times data has been read from the MQCs.
DATA HITS Percentage of the data reads that were satisfied by information in
the MQC cache. These numbers sh
ould remain at or near 100
percent most of the time.
TOTAL ALLOCATED
SEGMENTS
Total number of segments (8 pages of 16 Kilobytes each) allocated
for the MQCs.
HIGH A
LLOCATED
SEGMENTS
Highest number of segments ever allocated for the MQCs of a
particular size.
T
OTAL ALLOCATED
PA
GE
S
Total number of pages allocated for the MQCs of a particular size.
HIGH
ALLOCATEDPAGES
Highest number o
f pages ever allocated for the MQCs of a
particular size.
TOTAL FREE PAGES Total number of free pages available for allocating MQCs of a
particular size.