| From: | "Joshua D(dot) Drake" <jd(at)commandprompt(dot)com> |
|---|---|
| To: | Robert Haas <robertmhaas(at)gmail(dot)com> |
| Cc: | Kevin Grittner <kgrittn(at)ymail(dot)com>, Josh Berkus <josh(at)agliodbs(dot)com>, Andrew Dunstan <andrew(at)dunslane(dot)net>, Bruce Momjian <bruce(at)momjian(dot)us>, Pavel Stehule <pavel(dot)stehule(at)gmail(dot)com>, Andres Freund <andres(at)2ndquadrant(dot)com>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: Auto-tuning work_mem and maintenance_work_mem |
| Date: | 2013-10-17 17:03:13 |
| Message-ID: | 52601851.4010909@commandprompt.com |
| Views: | Raw Message | Whole Thread | Download mbox | Resend email |
| Thread: | |
| Lists: | pgsql-hackers |
On 10/17/2013 09:49 AM, Robert Haas wrote:
>> A lot. A whole lot, more than what most people have in production with more
>> than that. You are forgetting a very large segment of the population who
>> run... VMs.
>
> That's true, but are you actually arguing for keeping work_mem at 1MB?
>
> Even on a VM with only 1GB of RAM, work_mem=4MB is not going to cause
> any problems unless you're also trying to service a large number of
> simultaneous connections. And if you're doing that, you probably need
> to rethink something anyway.
No. I am arguing for the multiple config file option.
JD
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