On Tue, Jan 20, 2004 at 06:09:09PM -0800, Wayne Davison wrote:
> On Tue, Jan 20, 2004 at 02:45:47PM -0700, Garrett, Kelly wrote:
> > After every rsync transfer there is a large amount of memory that is
> > not freed up.
>
> Your report sounds like you're not talking about process size, but a
> free-memory report from something like "top". If so, Linux uses unused
> memory as disk cache, so the more disk I/O that happens, the less free
> memory you'll see on your system. This isn't a bad thing, though, as
> this disk-cache memory will get used for process memory as needed. Also
> keep in mind that once a process terminates, there's no way it can
> continue to hold memory (unless there's a bug in the kernel).
>
> If you meant something else, please explain what you're measuring. In
> my tests rsync's memory size stays steady throughout the transfer (once
> the file list has been built). Shared memory between the forked
> processes on the receiving side does slowly become unshared, but that
> happened in prior rsync versions too (and we've got an internal change
> in CVS that should make this better for the next release).
When running the daemon as a detached processes the
forked processes exit, freeing that memrory. As far as i
can tell Under inetd each connection should get independant
rsync process(es) which all exit so there would be no rsync
processes running unless there is an active connection.
--
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J.W. Schultz Pegasystems Technologies
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Remember Cernan and Schmitt
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