What is wrong with hashed index usage?

From: "Dann Corbit" <DCorbit(at)connx(dot)com>
To: <pgsql-hackers(at)postgreSQL(dot)org>
Subject: What is wrong with hashed index usage?
Date: 2002-04-22 21:15:37
Message-ID: D90A5A6C612A39408103E6ECDD77B82920CD95@voyager.corporate.connx.com
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From here:
http://osdb.sourceforge.net/
We find this quote:
"For you long-suffering OSDB PostgreSQL users, we offer

--postgresql=no_hash_index

to work around the hash index problems of OSDB with PostgreSQL V7.1 and
7.2. As always, let us know of any problems. May the source be with
you!"

Does anyone know what the above is all about?

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