On 05/30/2014 01:30 PM, Oleg Bartunov wrote:
The patch really improves access performance to jsonb.  On the
delicious bookmarks I got 5 times better performance.Now jsonb
outperforms json on simple access  (slide 12 of pgcon presentation) by
103 times !

(Oleg, please try not to top-post)

The question is whether the speedup comes from the reduction in lookup times or the reduction in string copying. I have a strong suspicion that it's mostly the first, not the second.



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