I missed the responses to Beverly's question (2 Jun 2000, techtalk digest,
Vol 1, #87) about Linux memory usage. We keep struggling with this in our
organization. I know that Linux doesn't automatically add memory back to the
free list, but keeps stuff in buffer and cache. It then is supposed to free
up buffer & cache when new programs start up. However, we have observed that
instead, it just acts as if there is no memory available, and doesn't free up
buffer/cache allocated memory when new programs are started. We're using
RedHat 5.2, kernel 2.0.36. We haven't checked to see if behaviour is
better with RH 6.2 yet (we're in the middle of a project and doing
system/application upgrades only as required for that project).
Elizabeth
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