Does ZODB provide safe locking across mutiple-processes?

June Kim juneaftn at
Wed Jan 16 09:49:51 CET 2002

I'm considering using ZODB on Win32 and *nices.

The FileStorage seems to have some sort of file locking for both the

I wonder if it guarantees "many readers or one writer" style
exclusive/shared locking -- that is, is it safe to open the same DB in
read_only mode and to open it in writable mode again, as ZODB allows?

Thanks in advance.

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