| From: | Kevin Grittner <kgrittn(at)ymail(dot)com> |
|---|---|
| To: | Merlin Moncure <mmoncure(at)gmail(dot)com>, Simon Riggs <simon(at)2ndquadrant(dot)com> |
| Cc: | Robert Haas <robertmhaas(at)gmail(dot)com>, Greg Stark <stark(at)mit(dot)edu>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: Limiting setting of hint bits by read-only queries; vacuum_delay |
| Date: | 2013-03-26 17:50:27 |
| Message-ID: | 1364320227.2946.YahooMailNeo@web162903.mail.bf1.yahoo.com |
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| Lists: | pgsql-hackers |
Merlin Moncure <mmoncure(at)gmail(dot)com> wrote:
> *) For off-cycle release work that would help enable patches with
> complex performance trade-offs (I'm working up another patch that has
> even more compelling benefits and risks in the buffer allocator), We
> desperately need a standard battery of comprehensive performance tests
> and doner machines.
Such a thing would vastly reduce the time needed to work on
something like this with confidence that it would not be a disaster
for some unidentified workload. Sure, something could still "slip
though the cracks" -- but they would *be* cracks, not a wide gaping
hole.
--
Kevin Grittner
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company
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