Sunday, August 23, 2009

Why doesn't free memory go down on Linux?

Hello Friends,

I have a Linux OS with a java application using 2 GB on a whole and 1.5 GB Memory for oracle database on a 8 GB RAM machine. I am in a situation where i see free memory to be very low i.e. just 35 MB. I had a look at all the available processes but none of the processes are consuming so much memory which is missing. Do you think it is bug? No, it is a feature provided in Redhat Linux.

You can find a good explanation about the situation i have explained above in the below article.

http://sourcefrog.net/weblog/software/linux-kernel/free-mem.html

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