Re: Global Sequences - Mailing list pgsql-hackers

From Stephen Frost
Subject Re: Global Sequences
Date
Msg-id 20121016020801.GR29165@tamriel.snowman.net
Whole thread Raw
In response to Re: Global Sequences  (Christopher Browne <cbbrowne@gmail.com>)
List pgsql-hackers
* Christopher Browne (cbbrowne@gmail.com) wrote:
> There's a necessary trade-off; you can either have it globally
> *strongly* ordered, and, if so, you'll have to pay a hefty
> coordination price, or you can have the cheaper answer of a weakly
> ordered sequence.  The latter leaves me feeling rather "meh."

If all the systems involved are local to the system giving out the
sequences, ala PG-XC's GTM, I don't believe it's really all *that*
expensive..
Thanks,
    Stephen

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