Air Cleaner User Manual

SYSTEM.DEFAULT.ALIAS.QUEUE Alias queue
SYSTEM.DEFAULT.LOCAL.QUEUE Local queue
SYSTEM.DEFAULT.MODEL.QUEUE Model queue
SYSTEM.DEFAULT.REMOTE.QUEUE Remote queue
This is equivalent to defining the following object:
LIKE(SYSTEM.DEFAULT.ALIAS.QUEUE)
for an alias queue, and similarly for other queue types.
These default queue definitions can be altered by the installation to the
default values required.
On MQSeries for OS/390, the queue manager searches page set 0 for an
object with the name you specify. If the object is not found, the queue
manager then searches the shared repository. The disposition of the LIKE
object is not copied to the object you are defining.
Notes:
1. QSGDISP (GROUP) objects are not searched.
2. LIKE is ignored if QSGDISP(COPY) is specified.
MAXDEPTH(integer)
The maximum number of messages allowed on the queue.
This parameter is supported only on local and model queues.
Specify a value greater than or equal to zero, and less than or equal to:
v 999 999 999 if the queue is on OS/390
v 640 000 if the queue is on any other MQSeries platform
Other factors can still cause the queue to be treated as full, for example, if
there is no further DASD space available.
If this value is reduced, any messages that are already on the queue that
cause the new maximum to be exceeded remain intact.
MAXMSGL(integer)
The maximum length (in bytes) of messages on this queue.
This parameter is supported only on local and model queues.
On AIX, HP-UX, OS/2 Warp, OS/400, Sun Solaris, and Windows NT,
specify a value greater than or equal to zero, and less than or equal to the
maximum message length for the queue manager. See the MAXMSGL
parameter of the ALTER QMGR command for more information.
On OS/390, specify a value greater than or equal to zero, and less than or
equal to 100 MB. However, if you also specify QSGDISP(SHARED), or
DEFTYPE(SHAREDYN), the MAXMSGL must be less than or equal to
64 512 bytes.
On other platforms, specify a value greater than or equal to zero, and less
than or equal to 4 194 304 bytes (4 MB).
For a transmission queue, this value includes the space required for
headers. It is recommended that the value should be at least 4000 bytes
Define queues
Chapter 2. The MQSeries commands 121
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