On Thu, 1 Jan 2004, Tom Lane wrote:
> "Marc G. Fournier" <scrappy@postgresql.org> writes:
> > what sort of impact does CLUSTER have on the system? For instance, an
> > index happens nightly, so I'm guessing that I'll have to CLUSTER each
> > right after?
>
> Depends; what does the "index" process do --- are ndict8 and friends
> rebuilt from scratch?
nope, but heavily updated ... basically, the indexer looks at url for what
urls need to be 're-indexed' ... if it does, it removed all words from the
ndict# tables that belong to that url, and re-adds accordingly ...
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