RHEL-7.1

[RHEL-7.1]# free -w;cat /proc/meminfo;snmpwalk -c public -v 2c 127.0.0.1 .1.3.6.1.4.1.2021.4
              total        used        free      shared     buffers       cache   available
Mem:        8011508      980968      133312       22680       57852     6839376     6737592
Swap:       8384508      434696     7949812
MemTotal:        8011508 kB
MemFree:          133312 kB
MemAvailable:    6737592 kB
Buffers:           57852 kB
Cached:           513104 kB
SwapCached:         8412 kB
Active:           841700 kB
Inactive:         631932 kB
Active(anon):     456928 kB
Inactive(anon):   468428 kB
Active(file):     384772 kB
Inactive(file):   163504 kB
Unevictable:           0 kB
Mlocked:               0 kB
SwapTotal:       8384508 kB
SwapFree:        7949812 kB
Dirty:               148 kB
Writeback:             0 kB
AnonPages:        894912 kB
Mapped:            40432 kB
Shmem:             22680 kB
Slab:            6326272 kB
SReclaimable:    6309408 kB
SUnreclaim:        16864 kB
KernelStack:        3040 kB
PageTables:         9532 kB
NFS_Unstable:          0 kB
Bounce:                0 kB
WritebackTmp:          0 kB
CommitLimit:    12390260 kB
Committed_AS:    1887748 kB
VmallocTotal:   34359738367 kB
VmallocUsed:       23496 kB
VmallocChunk:   34359710236 kB
HardwareCorrupted:     0 kB
AnonHugePages:    176128 kB
HugePages_Total:       0
HugePages_Free:        0
HugePages_Rsvd:        0
HugePages_Surp:        0
Hugepagesize:       2048 kB
DirectMap4k:       57216 kB
DirectMap2M:     8331264 kB
UCD-SNMP-MIB::memIndex.0 = INTEGER: 0
UCD-SNMP-MIB::memErrorName.0 = STRING: swap
UCD-SNMP-MIB::memTotalSwap.0 = INTEGER: 8384508 kB
UCD-SNMP-MIB::memAvailSwap.0 = INTEGER: 7949812 kB
UCD-SNMP-MIB::memTotalReal.0 = INTEGER: 8011508 kB
UCD-SNMP-MIB::memAvailReal.0 = INTEGER: 131916 kB
UCD-SNMP-MIB::memTotalFree.0 = INTEGER: 8081728 kB
UCD-SNMP-MIB::memMinimumSwap.0 = INTEGER: 16000 kB
UCD-SNMP-MIB::memShared.0 = INTEGER: 22680 kB
UCD-SNMP-MIB::memBuffer.0 = INTEGER: 57852 kB
UCD-SNMP-MIB::memCached.0 = INTEGER: 513104 kB
UCD-SNMP-MIB::memSwapError.0 = INTEGER: noError(0)
UCD-SNMP-MIB::memSwapErrorMsg.0 = STRING: