The queue, MYQUEUE1, has a maximum depth of 1000 messages, and the high and low queue depth limits are 80% and 20% respectively. Initially, Queue Depth High events are enabled, while the other queue depth events are disabled.
The WebSphere MQ commands (MQSC) to configure this queue are:
ALTER QMGR PERFMEV(ENABLED) DEFINE QLOCAL('MYQUEUE1') MAXDEPTH(1000) QDPMAXEV(DISABLED) QDEPTHHI(80) QDPHIEV(ENABLED) QDEPTHLO(20) QDPLOEV(DISABLED)
Figure 8 shows how the queue depth changes over time:
This enables both Queue Full and Queue Depth Low events.
This enables both Queue Full and Queue Depth High events.
Table 10 summarizes the queue event statistics and Table 11 summarizes which events are
Event 2 | Event 4 | |
Time of event | T(2) | T(4) |
Type of event | Queue Depth High | Queue Depth Low |
TimeSinceReset | T(2) - T(0) | T(4) - T(2) |
HighQDepth (Maximum queue depth since reset) | 800 | 900 |
MsgEnqCount | 1157 | 1220 |
MsgDeqCount | 357 | 1820 |
Time period | Queue Depth High event | Queue Depth Low event | Queue Full event |
---|---|---|---|
Before T(1) | ENABLED | - | - |
T(1) to T(2) | ENABLED | - | - |
T(2) to T(3) | - | ENABLED | ENABLED |
T(3) to T(4) | - | ENABLED | ENABLED |
After T(4) | ENABLED | - | ENABLED |
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