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Re: [RFC] Deprecate Berkelety DB filesystem backend

From: Vincent Lefevre <vincent-svn_at_vinc17.net>
Date: Mon, 28 Jan 2013 14:44:05 +0100

On 2013-01-05 10:35:52 +0000, Philip Martin wrote:
> Branko Čibej <brane_at_wandisco.com> writes:
> > * The BDB backend is an order of magnitude slower on trunk than FSFS
> > o timing parallel "make check" on my 4x4-core i7+ssd mac:
> > + FSFS: real 7m33.213s, user 19m8.075s, sys 10m54.739s
> > + BDB: real 35m17.766s, user 15m28.395s, sys 11m58.824s
> I don't see that behaviour. On my machine with 1x2 Core2 Duo, Linux and
> SSD:
> FSFS: real 12m42.383s, user 7m37.557s, sys 5m58.534s
> BDB: real 11m30.895s, user 8m14.603s, sys 5m45.358s
> I don't think either your results or mine indicate anything about the
> relative performance of the backends as all the repositories in the
> testsuite are far too small.

As a user I no longer mind about BDB. But the above timings make
me think that BDB could still be useful for testing purpose (in
particular because you have no other backends).

Vincent Lefèvre <vincent@vinc17.net> - Web: <http://www.vinc17.net/>
100% accessible validated (X)HTML - Blog: <http://www.vinc17.net/blog/>
Work: CR INRIA - computer arithmetic / AriC project (LIP, ENS-Lyon)
Received on 2013-01-28 14:44:42 CET

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