Coda File System

Re: rvm data

From: Simon Josefsson <>
Date: 03 Nov 2000 11:56:01 +0100
Jan Harkes <> writes:

> > Is there a solution to this problem, or is coda not suitable for
> > larger data sizes?
> In any case you need a lot of swap. But when the RVM data is in a file,
> it is possible to enable the use of private mmaps. This allows for a
> huge improvement in startup time, as unmodified RVM-data pages are
> simply discarded and re-read from the underlying RVM data file when
> needed. Only modified pages are `dirty' and will be written to swap when
> there is memory pressure. The swap footprint of a Coda server will
> slowly grow over time during the lifetime of the server.

This looks promising, how do I enable private mmaps?  I searched the
documentation but didn't find anything.  Do I need to modify the code?

Thanks for your explanation regarding rvm data size, I'll do some more
testing to see how much I really need.
Received on 2000-11-03 05:57:20