Hi, I have downloaded the new postgresql (version 8.0 beta2) and I was wondering what performance features I can take advantage of before I start to dump my 3/4 terrabyte database into the new database. More specifically I am interested in tablespaces--what exactly is this feature, some sort of organizational addition (?) and how can I best take advantage of this....? Anything else? Furthermore, if I compile from source will I be able to revert to using the packaged version of postgresql 8.0 stable later on without modifying the database(I use debian)….?
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