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Table 8. Configuration Parameter List - APPN Node Tuning (continued)
Parameter Information
Parameter
Maximum shared memory
Valid Values
0 - 5 108 KB
Default Value
5 108 KB
Description
This parameter specifies the amount of shared memory within the router that is
allocated to the APPN network node. APPN uses its shared memory allocation to
perform network operations and to maintain required tables and directories.
You can allow APPN to have a 4K RU size by setting
percent of APPN shared memory
used for buffers
to a sufficiently large value to allow at least 1 Megabyte of memory to
be available to the buffer manager.
This parameter is configurable using the Configuration Program and from talk 6
Parameter
Percent of APPN shared memory to be used for buffers
Valid Values
10 to 50
Default
10% or 512 Kilobytes, whichever is larger.
Description
This parameter specifies the amount of shared memory that APPN will use for buffers.
You can allow APPN to have a 4K RU size by setting
maximum shared memory
to at
least 1 Megabyte and setting
percent of APPN shared memory used for buffers
to a
sufficiently large value to allow at least 1 Megabyte of memory to be available to the
buffer manager.
This parameter is configurable using the Configuration Program and from talk 6
Parameter
Maximum cached directory entries
Valid Values
0to65535
Default
4000
Description
This parameter specifies the number of directory entries to be stored or cached by the
router network node. If a directory entry for a node is cached, the router does not need
to broadcast a search request to locate the node. This reduces the time it takes to
initiate sessions with the node.
This parameter is configurable using the Configuration Program and from talk 6
Syntax:
set
traces
APPN Configuration Commands
Chapter 2. Configuring and Monitoring APPN 101
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