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Interpreting free command as part of Oracle Linux SGA.

635694Oct 17 2008 — edited Oct 20 2008

Hello,

I cannot interprete free output in RHEL4.

For example; I have a Oracle database running on RHEL4 system. It has 4Gbyte SGA size.

Server has 8GByte physical memory.

When I execute free command, I cannot interprete what size of it, its my SGA size.

What is the maining of cached and also -+ buffers?

thank you.

[root@dbatstdb03]# free -tm
total used free shared buffers cached
Mem: 7973 7686 286 0 764 6147
-/+ buffers/cache: 774 7198
Swap: 16383 1 16382
Total: 24357 7687 16669

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Locked on Nov 17 2008

Added on Oct 17 2008

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