[Bioperl-l] Large databases

Daniel Jupiter djupiter at tamu.edu
Thu Nov 30 01:22:57 EST 2006


Hi all.

I'm new to this list, so if my question is misdirected, or  
inappropriate, please let me know.

The question concerns databases/hashes. I would like to have a rather  
large hash file. Say 10,000 keys, each with a data field containing  
roughly 50,000 integers. For whatever reason, the dbm implementation  
on Mac OSX does not seem to like things of this size.

Several strange things happen. First, file size seem to increase  
exponentially, as I increase the data field size. Additionally, in  
certain situations, I am returned a rather strange error concerning  
an uninitialized variable, which has in fact been initialized.

In great confusion, I'm just curious as to whether there is a work  
around for dealing with such large amounts of data, or somewhere with  
good documentation on using hashes.

Thanks.



Daniel C. Jupiter, Ph.D.
Postdoctoral Research Associate
Department of Systems Biology and Translational Medicine
College of Medicine
Texas A&M University Health Science Center
702 SW H.K. Dodgen Loop
Temple, TX 76504

979.997.2106  |  Fax 254.742.7145
djupitern at tamu.edu  |  www.tamhsc.edu








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