Re: Dynamically sizing FSM? - Mailing list pgsql-hackers

From Bruce Momjian
Subject Re: Dynamically sizing FSM?
Date
Msg-id 200701092034.l09KYc708773@momjian.us
Whole thread Raw
In response to Dynamically sizing FSM?  (Josh Berkus <josh@agliodbs.com>)
Responses Re: Dynamically sizing FSM?  (Gregory Stark <stark@enterprisedb.com>)
List pgsql-hackers
Josh Berkus wrote:
> All,
> 
> Hey, is there any good reason why FSM is sized by a static GUC variable?   
> Why couldn't we just automatically have the system use as much memory as 
> it needs for FSM, provided that it's not more than some reasonable limit, 
> like 15% of shared memory?
> 
> Seems like that would eliminate one area of user confusion, as well as 
> over-allocation.

I don't think any of our shared memory segments auto-size.  What would
you take memory from to increase FSM?

--  Bruce Momjian   bruce@momjian.us EnterpriseDB    http://www.enterprisedb.com
 + If your life is a hard drive, Christ can be your backup. +


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