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From Stefan Guggisberg <stefan.guggisb...@gmail.com>
Subject Re: cosmo resource usage notes
Date Sat, 12 Nov 2005 15:47:23 GMT
hi brian

On 11/12/05, Brian Moseley <bcm@osafoundation.org> wrote:
> i've been keeping notes on the analysis i've been performing of cosmo's
> disk and memory usage. some of you might find them interesting:
> <http://wiki.osafoundation.org/bin/view/Journal/BrianMoseley20051111>
> <http://wiki.osafoundation.org/bin/view/Journal/BrianMoseley20051112>
> basically, i'm finding that storing nodes even with relatively few
> properties causes an absurd amount of disk usage:
> not counting blobs, just the workspace's data dir, 2135 nodes are
> persisted using 12,265 files and requiring 49,116kb of disk space.
> this is using ObjectPersistenceManager. i haven't been able to test with
> any other PMs yet.

i'd suggest you give DerbyPersistenceManager a try.


> anyway, the notes at the above urls may not make complete sense - they
> assume some amount of familiarity with the cosmo project
> (<http://wiki.osafoundation.org/bin/view/Projects/CosmoHome>) and/or
> webdav and caldav in general - but i think the data and conclusions are
> pretty understandable.
> i'd love to hear comments on what i've done. i'm not at all confident in
> my methodology and would be happy to hear critiques, as well as
> suggestions on how to improve my situation :)
> thanks!

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