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22 Jul 2003 16:24:05 -0400 · https://mail.python.org/pipermail/python-dev/2003-July/037080.html

I wanted to see this bsddb3 explosion for myself, so I tried to build the 
module, but couldn't figure out how to do it.  So I opened a bug report under 
the Build category:

[ 775850 ] pybsddb build fails

http://sourceforge.net/tracker/index.php?func=detail&aid=775850&group_id=5470&atid=105470

Regards,

Zooko

> [Tim]
> >> The evidence suggests there are still potentially catastrophic bugs
> >> in bsddb3!
> 
> [martin@v.loewis.de]
> > So far, I have interpreted all failures in test_bsddb3 as being
> > related to the explicit use of transactions. Since the historic bsddb
> > module does not provide an interface for transactions, I have always
> > concluded that existing code won't be affected by these problems.
> 
> I'm guessing we're talking about different things, then.  These things have
> been discussed recently here:
> 
> + Reports of bsddb3 database corruption in spambayes.
> 
> + Likewise in Richie Hindle's multithreaded test driver, plus
>   hardware faults.
> 
> + Hangs and AssertionErrors in the tests from
>   Lib/bsddb/test/test_thread.py.
> 
> Richie's program uses only our wrapper's __delitem__, __setitem__ and
> __getitem__ implementations.  spambayes does the same.  While some tests in
> test_thread.py use transactions, the AssertionError Skip reported was in a
> test that does not use transactions:
> 
>     http://mail.python.org/pipermail/python-dev/2003-July/036920.html
> 
> Fred and Barry also saw the same kind of AssertionErrors in
> SimpleThreadBase.writerThread, on the same line.  Finally, the hangs Barry
> and I saw were in test02_SimpleLocks, which is also devoid of transactions.
> 
> So I haven't seen any evidence of problems with transactions -- unless these
> things use transactions implicitly in some way.
> 
> 
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[Python-Dev] bsddb3 test hang