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Re: Misc. consequences of backend memory management changes

From: Karel Zak <zakkr(at)zf(dot)jcu(dot)cz>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: pgsql-hackers(at)postgreSQL(dot)org
Subject: Re: Misc. consequences of backend memory management changes
Date: 2000-06-28 19:40:35
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Lists: pgsql-hackers
On Wed, 28 Jun 2000, Karel Zak wrote:

> About context tree --- what will happen if in PG will exist some context 
> that not will in context tree? Yes, it is curios question...explication: 
>  I have in the query cache contexts (for each plan) that are persisten (in 
> shmem) across connection (and across TopMemoryContext live-time). How 
> integrate this context to the contect tree? Or skip for this specific 
> variant context type independent MemoryContextCreate and init this common 
> part itself? - (I vote for this)

 I a little speculate about it and I mean that query cache contexts can be
in separate contest tree based on master query cache context that is create
during global shmem initialization. Agree?


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