On Wed, Mar 19, 2014 at 4:22 PM, Tom Lane <t...@sss.pgh.pa.us> wrote:
> Gurjeet Singh <gurj...@singh.im> writes: > > Please find attached the patch to send transaction commit/rollback stats > to > > stats collector unconditionally. > > That's intentional to reduce stats traffic. What kind of performance > penalty does this patch impose? If the number of such transactions is > large enough to create a noticeable jump in the counters, I would think > that this would be a pretty darn expensive "fix". > I can't speak to the performance impact of this patch, except that it would depend on the fraction of transactions that behave this way. Perhaps the people who develop and/or aggressively use monitoring can pitch in. Presumably, on heavily used systems these transactions would form a small fraction. On relatively idle systems these transactions may be a larger fraction but that wouldn't affect the users since the database is not under stress anyway. Best regards, -- Gurjeet Singh http://gurjeet.singh.im/ EDB www.EnterpriseDB.com <http://www.enterprisedb.com>
