[pylucene-dev] PythonThread and searching

[tsuraan at tsuraan.net]

>> I believe that python's global lock prevents execution of the 
>> interpreter while any c-code is being executed.  Does this also apply 
>> to searches being done in PythonThreads?  If I have multiple 
>> long-running searches, will they block each other due to the way the 
>> python interpreter is designed, does PyLucene get around this 
>> somehow, or am I totally wrong in my concern?
>
> Whenever PyLucene calls into C++/Java, it releases the GIL and 
> whenever the call returns or whenever PyLucene calls back into Python 
> it re-acquires the GIL.
>
> Your concern would have been right in the very early days of PyLucene 
> where it wasn't doing this. To verify this, you can run the 
> ThreadIndexFiles.py sample.

Thanks for the quick reply, as always!

--jay