Hi!

We experienced a strange behaviour:

calling gbak via cron or commandline our backup of a 35 gigabyte database
lasts around 4 hours. During this time we neither see cpu load nor heavy I/O
load on the server.

If we use IBExpert, Flamerobin, IBConsole or any other tool to start the
backup job it is completed after less then 45 minutes! (Only limited by I/O
capacity of the server).

We tested with 2 gentoo servers - 1 with NTPL enabled, 1 without and using
the firebird ebuild.
Same results with ubuntu and 1.5.1 apt-package.

With Firebird 1.5.3 running on a Windows XP workstation the results are
similar but not this extreme..


I couldn't find anything in Helen's Book (p.813ff) regarding this and google
wasn't that helpful either.

Maybe someone here knows why a local gbak is so slow and if there is a
possibility to speed up the backup process?

Kind regards,
Ralf ter Veer

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