answering myself: it is evidently a kernel problem. With the change from
"3:11:10-7-default" to "3:11:10-7-desktop" the problem disappears.

Am 10.03.2014 10:24, schrieb Georg Weickelt:

> Hello,
>
> we use a CAD system (CARD / 1), which saves a few settings in a Firebird
> database.
> There is a central database and many project-specific databases. The
> software runs on Windows 7 Professional .
> Firebird is running on a server with openSUSE 13.1. The manufacturer has
> released only version 2.50 of Firebird .
> The server has a RAID 5 from three disks, 16GB RAM and an Intel Xeon
> E5- 2407 CPU 0@2.20GHz , 4 cores .
> The *.fdb data resides on a partition that is partitioned with ext4
> under LVM. They are 1-10 MB in size - so rather small.
> We observe significant delays in project operations that use these
> databases. For example, taking a view of a
> project list sometimes 10 s or more . We are only three users of this
> software , so that the load of the server is very small.
> What can be done to achieve a fast response ?
>
>
> Georg
>
>
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