On Sun, May 13, 2012 at 10:12 AM, Віталій Тимчишин <tivv00@xxxxxxxxx> wrote: > 2012/5/11 Robert Klemme <shortcutter@xxxxxxxxxxxxxx> >> On the contrary: what would be the /advantage/ of being able to create >> millions of sequences? What's the use case? > > We are using sequences as statistics counters - they produce almost no > performance impact and we can tolerate it's non-transactional nature. I can > imaging someone who wants to have a sequence per user or other relation > row. I can almost see the point. But my natural choice in that case would be a table with two columns. Would that actually be so much less efficient? Of course you'd have fully transactional behavior and thus locking. Kind regards robert -- remember.guy do |as, often| as.you_can - without end http://blog.rubybestpractices.com/ -- Sent via pgsql-performance mailing list (pgsql-performance@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-performance
