Re: [HACKERS] SSI tuning points

2011-06-21 Thread Robert Haas
On Sun, Jun 19, 2011 at 11:10 AM, Kevin Grittner wrote: > That does seem better.  Thanks. OK, committed. -- Robert Haas EnterpriseDB: http://www.enterprisedb.com The Enterprise PostgreSQL Company -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your sub

Re: [HACKERS] SSI tuning points

2011-06-19 Thread Kevin Grittner
Robert Haas wrote: > Kevin Grittner wrote: >> I'm certainly open to suggestions for better wording. > How about something like this: > > When the system is forced to combine multiple page-level predicate > locks into a single relation-level predicate lock because the > predicate lock table i

Re: [HACKERS] SSI tuning points

2011-06-18 Thread Robert Haas
On Fri, Jun 17, 2011 at 5:50 PM, Kevin Grittner wrote: > The attached patch addresses one of the open non-blockers for beta3. > > These are tuning points which emerged in testing.  The first is more > likely to be helpful.  The second may be very important in a few > types of transaction mixes, bu

[HACKERS] SSI tuning points

2011-06-17 Thread Kevin Grittner
The attached patch addresses one of the open non-blockers for beta3. These are tuning points which emerged in testing. The first is more likely to be helpful. The second may be very important in a few types of transaction mixes, but I threw in a lot of weasel words and qualifiers because someon