I have a machine with cent os in which influxdb and telegraf are configured.
The memory usage in "mem" table in 'telegraf' database is ~3136 MB. It is not
matching with the memory usage shown in the output of top/free command(7451
MB). What could be wrong here? Please suggest.
> use telegraf
Using database telegraf
> select "used","total" from "mem" LIMIT 5
name: mem
time used total
---- ---- -----
1479290780000000000 3289235456 8254631936
1479290790000000000 3290546176 8254631936
1479290800000000000 3292815360 8254631936
1479290810000000000 3290726400 8254631936
1479290830000000000 3288223744 8254631936
$ free -m
total used free shared buffers cached
Mem: 7872 7451 420 4 311 3964
-/+ buffers/cache: 3175 4696
Swap: 10063 80 9983
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