Re: [PATCHES] ARC Memory Usage analysis - Mailing list pgsql-hackers

From Jan Wieck
Subject Re: [PATCHES] ARC Memory Usage analysis
Date
Msg-id 418399D7.6090204@Yahoo.com
Whole thread Raw
In response to Re: [PATCHES] ARC Memory Usage analysis  (Tom Lane <tgl@sss.pgh.pa.us>)
Responses Re: [PATCHES] ARC Memory Usage analysis
List pgsql-hackers
On 10/26/2004 1:53 AM, Tom Lane wrote:
> Greg Stark <gsstark@mit.edu> writes:
>> Tom Lane <tgl@sss.pgh.pa.us> writes:
>>> Another issue is what we do with the effective_cache_size value once we
>>> have a number we trust.  We can't readily change the size of the ARC
>>> lists on the fly.
> 
>> Huh? I thought effective_cache_size was just used as an factor the cost
>> estimation equation.
> 
> Today, that is true.  Jan is speculating about using it as a parameter
> of the ARC cache management algorithm ... and that worries me.

If we need another config option, it's not that we are running out of 
possible names, is it?


Jan

-- 
#======================================================================#
# It's easier to get forgiveness for being wrong than for being right. #
# Let's break this rule - forgive me.                                  #
#================================================== JanWieck@Yahoo.com #


pgsql-hackers by date:

Previous
From: Thomas Hallgren
Date:
Subject: Signature change for SPI_cursor_open
Next
From: Tom Lane
Date:
Subject: Re: [PATCHES] ARC Memory Usage analysis