Re: json api WIP patch
Robert Haas <robertmhaas@gmail.com>
From: Robert Haas <robertmhaas@gmail.com>
To: Andrew Dunstan <andrew@dunslane.net>
Cc: PostgreSQL-development <pgsql-hackers@postgresql.org>
Date: 2013-01-16T15:28:49Z
Lists: pgsql-hackers
On Mon, Jan 14, 2013 at 11:02 PM, Andrew Dunstan <andrew@dunslane.net> wrote: > After a couple of iterations, some performance enhancements to the json > parser and lexer have ended up with a net performance improvement over git > tip. On our test rig, the json parse test runs at just over 13s per 10000 > parses on git tip and approx 12.55s per 10000 parses with the attached > patch. > > Truth be told, I think the lexer changes have more than paid for the small > cost of the switch to an RD parser. But since the result is a net > performance win PLUS some enhanced functionality, I think we should be all > good. Yeah, that sounds great. Thanks for putting in the effort. -- Robert Haas EnterpriseDB: http://www.enterprisedb.com The Enterprise PostgreSQL Company