Re: Protect syscache from bloating with negative cache entries - Mailing list pgsql-hackers

From Andrew Dunstan
Subject Re: Protect syscache from bloating with negative cache entries
Date
Msg-id d01c4037-0740-c739-e340-5aa1119c0afd@2ndQuadrant.com
Whole thread Raw
In response to Re: Protect syscache from bloating with negative cache entries  (Kyotaro HORIGUCHI <horiguchi.kyotaro@lab.ntt.co.jp>)
Responses Re: Protect syscache from bloating with negative cache entries
List pgsql-hackers

On 06/26/2018 05:00 AM, Kyotaro HORIGUCHI wrote:
>
>> The attached is the patch set including this plancache stuff.
>>
>> 0001- catcache time-based expiration (The origin of this thread)
>> 0002- introduces dynahash pruning feature
>> 0003- implement relcache pruning using 0002
>> 0004- (perhaps) independent from the three above. PoC of
>>        plancache pruning. Details are shown above.
> I found up to v3 in this thread so I named this version 4.
>


Andres suggested back in March (and again privately to me) that given 
how much this has changed from the original this CF item should be 
marked Returned With Feedback and the current patchset submitted as a 
new item.

Does anyone object to that course of action?

cheers

andrew

-- 
Andrew Dunstan                https://www.2ndQuadrant.com
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services



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