Too many files open.

[Martie Ressing]

In an application built with PowerHouse 8.13d (DG-Unix on a Intel machine),
in combination with a C-ISAM database, users often get the following error:
"Data access error. Too many files (ISAM 104)". We think this happens more
often in 8.13 than in 7.33. 
We have simulated this situation and found out, that at that time only 102
UNIX-files were at least one time opened (fuser-command). The maximum of the
number of open files in C-ISAM is 255. 
We also found out, that using the close-option on a file-statement didn't
have the expected effect (it helps only a little bit).

What can we, besides using the close-statement, do to prevent our
application crashing due to too many files opened?

Thanks,

Martie Ressing
Inter Access Cens
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