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mem: Memory Information Base
The memory “mem” information base contains variables that describe
system memory management. The structure is the following:
mem
[slot #] always ‘‘1’’ for an HP Series 200 or 400
router; ‘‘1’’ to ‘‘5’’ on an HP Router 650
type either local or global,
both with the same variables
variables listed below
The pathname is constructed as follows:
mem[slot #].type.variable
The variables are listed alphabetically:
alloc_bytes contains the number of currently allocated bytes.
alloc_seg_cnt contains the number of currently allocated memory
segments.
free_bytes contains the number of available (unallocated) bytes.
free_seg_cnt contains the current number of free memory
segments. A free memory segment is an unused contiguous memory
block of greater than 16 bytes. Generally, an increase in the number of
free memory segments indicates an increase in memory fragmentation.
slab_cnt contains the current number of discretely managed
memory areas. Each slab is further broken down into smaller
contiguous areas called segments.
total_bytes contains the number of currently installed bytes.
Management Information Base Variables
mem: Memory Information Base
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