show system memory
Displays system memory usage.
- cache
- Displays memory cache details.
- detail
- Displays memory usage details.
Operational mode
Use this command to see how much memory is currently being used by the system and how much is free.
The following example shows information about memory usage on R1.
vyatta@R1:~$ show system memory
total used free shared buffers cached
Mem: 242836 170796 72040 0 58844 81748
Swap: 0 0 0
Total: 242836 170796 72040
vyatta@R1:~$
The following example shows detailed information about memory usage on R1.
vyatta@R1:~$ show system memory detail
MemTotal: 242836 kB
MemFree: 72040 kB
Buffers: 58844 kB
Cached: 81760 kB
SwapCached: 0 kB
Active: 75496 kB
Inactive: 79252 kB
Active(anon): 14344 kB
Inactive(anon): 264 kB
Active(file): 61152 kB
Inactive(file): 78988 kB
Unevictable: 0 kB
Mlocked: 0 kB
HighTotal: 0 kB
HighFree: 0 kB
LowTotal: 242836 kB
LowFree: 72040 kB
SwapTotal: 0 kB
SwapFree: 0 kB
Dirty: 0 kB
Writeback: 0 kB
AnonPages: 14172 kB
Mapped: 7464 kB
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The following example shows information about memory cache usage on R1.
vyatta@R1:~$ show system memory cache
Active / Total Objects (% used) : 99681 / 100958 (98.7%)
Active / Total Slabs (% used) : 2690 / 2690 (100.0%)
Active / Total Caches (% used) : 61 / 72 (84.7%)
Active / Total Size (% used) : 12081.72K / 12346.32K (97.9%)
Minimum / Average / Maximum Object : 0.01K / 0.12K / 8.00K
OBJS ACTIVE USE OBJ SIZE SLABS OBJ/SLAB CACHE SIZE NAME
30806 30806 100% 0.05K 422 73 1688K buffer_head
19200 19178 99% 0.13K 640 30 2560K dentry
9010 8954 99% 0.05K 106 85 424K sysfs_dir_cache
7168 7054 98% 0.01K 14 512 56K kmalloc-8
4864 4853 99% 0.02K 19 256 76K kmalloc-16
2816 2693 95% 0.03K 22 128 88K kmalloc-32
2640 2640 100% 0.38K 264 10 1056K unionfs_inode_cache
2380 2213 92% 0.02K 14 170 56K anon_vma_chain
2322 2322 100% 0.44K 258 9 1032K squashfs_inode_cache
2255 2248 99% 0.34K 205 11 820K inode_cache
2210 2199 99% 0.05K 26 85 104K ext3_xattr
1886 1884 99% 0.09K 41 46 164K vm_area_struct
1664 1512 90% 0.12K 52 32 208K kmalloc-128
1536 1470 95% 0.06K 24 64 96K kmalloc-64
1536 1433 93% 0.02K 6 256 24K anon_vma
1313 1308 99% 0.29K 101 13 404K radix_tree_node
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