----- This server DOES show the expanding VM behavior ---------------------------

                                        postgis_full_version                                         
 POSTGIS="1.5.4" GEOS="3.4.0dev-CAPI-1.8.0" PROJ="Rel. 4.8.0, 6 March 2012" LIBXML="2.7.8" USE_STATS

 PostgreSQL 9.1.3 on x86_64-unknown-linux-gnu, compiled by gcc (Ubuntu/Linaro 4.6.3-1ubuntu2) 4.6.3, 64-bit
 
DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=12.04
DISTRIB_CODENAME=precise
DISTRIB_DESCRIPTION="Ubuntu 12.04 LTS"

MemTotal:        8169892 kB
MemFree:         7389260 kB
Buffers:           10944 kB
Cached:           550424 kB
SwapCached:        12508 kB
Active:           116600 kB
Inactive:         473160 kB
Active(anon):      93488 kB
Inactive(anon):   234928 kB
Active(file):      23112 kB
Inactive(file):   238232 kB
Unevictable:           0 kB
Mlocked:               0 kB
SwapTotal:       8379388 kB
SwapFree:        8349952 kB
Dirty:                48 kB
Writeback:             0 kB
AnonPages:         16308 kB
Mapped:           234996 kB
Shmem:            300016 kB
Slab:              58644 kB
SReclaimable:      22996 kB
SUnreclaim:        35648 kB
KernelStack:        1944 kB
PageTables:         4536 kB
NFS_Unstable:          0 kB
Bounce:                0 kB
WritebackTmp:          0 kB
CommitLimit:    12464332 kB
Committed_AS:    4140384 kB
VmallocTotal:   34359738367 kB
VmallocUsed:      295836 kB
VmallocChunk:   34359439612 kB
HardwareCorrupted:     0 kB
AnonHugePages:         0 kB
HugePages_Total:       0
HugePages_Free:        0
HugePages_Rsvd:        0
HugePages_Surp:        0
Hugepagesize:       2048 kB
DirectMap4k:       56088 kB
DirectMap2M:     8327168 kB


----- This server DOES NOT show the expanding VM behavior ---------------------------
  PID USER     PRI  NI  VIRT   RES   SHR S CPU% MEM%   TIME+  Command
27158 postgres  20   0 8429M  200M  164M R 100.  0.4 29:25.28 postgres: dbb calthorpe [local] SELECT
                                         postgis_full_version                                          
 POSTGIS="1.5.3" GEOS="3.3.3-CAPI-1.7.4" PROJ="Rel. 4.7.1, 23 September 2009" LIBXML="2.7.8" USE_STATS

 PostgreSQL 9.1.3 on x86_64-pc-linux-gnu, compiled by gcc-4.6.real (Ubuntu/Linaro 4.6.1-9ubuntu3) 4.6.1, 64-bit

DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=11.10
DISTRIB_CODENAME=oneiric
DISTRIB_DESCRIPTION="Ubuntu 11.10"

MemTotal:       49521008 kB
MemFree:         6378328 kB
Buffers:           44036 kB
Cached:         41206184 kB
SwapCached:        12108 kB
Active:         20324376 kB
Inactive:       21346272 kB
Active(anon):    8737356 kB
Inactive(anon):   181784 kB
Active(file):   11587020 kB
Inactive(file): 21164488 kB 
Unevictable:           0 kB
Mlocked:               0 kB
SwapTotal:      50286588 kB
SwapFree:       50205612 kB
Dirty:             35556 kB
Writeback:             0 kB
AnonPages:        411544 kB
Mapped:          8519024 kB
Shmem:           8498652 kB
Slab:             790420 kB
SReclaimable:     761276 kB
SUnreclaim:        29144 kB
KernelStack:        3000 kB
PageTables:        92372 kB
NFS_Unstable:          0 kB
Bounce:                0 kB
WritebackTmp:          0 kB
CommitLimit:    75047092 kB
Committed_AS:    9858160 kB
VmallocTotal:   34359738367 kB
VmallocUsed:      394464 kB
VmallocChunk:   34334177084 kB
HardwareCorrupted:     0 kB
AnonHugePages:         0 kB
HugePages_Total:       0
HugePages_Free:        0
HugePages_Rsvd:        0
HugePages_Surp:        0
Hugepagesize:       2048 kB
DirectMap4k:       48448 kB
DirectMap2M:     4136960 kB
DirectMap1G:    46137344 kB