Zitat von "AL-Temimi, Muthana" <muthana.al-temimi@xxxxxxxxxxxxxxxxxxxxx>:
See the free command:
am 08.06.2015 um 15:13 Uhr: --active connection: 305
srvpgsql1:/opt/pgsql_data # free
total used free shared buffers cached
Mem: 12199684 8758400 3441284 1269784 231324 7139400
-/+ buffers/cache: 1387676 10812008
Swap: 6289404 0 6289404
----------------------------------------------------------------------
am 08.06.2015 um 15:53 Uhr: --active connection: 278
srvpgsql1:/opt/pgsql_data # free
total used free shared buffers cached
Mem: 12199684 8686228 3513456 1269784 232164 7164288
-/+ buffers/cache: 1289776 10909908
Swap: 6289404 0 6289404
This is the memory usage of the system (OS) and at least on Linux it is using all available RAM for caching as needed and release it only it it's needed otherwise. So what you are seeing here is expected behaviour of Linux...
Regards Andreas
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