On Mon, Oct 11, 2010 at 11:11 PM,  <gnuo...@rcn.com> wrote:
> An approach that works can be found in DB2, and likely elsewhere.
>
> The key is that tablespaces/tables/indexes/buffers are all attached through 
> the bufferpool (the DB2 term).  A tablespace/bufferpool match is defined.  
> Then tables and indexes are assigned to the tablespace (and implicitly, the 
> bufferpool).  As a result, one can effectively pin data in memory.  This is 
> very useful, but not low hanging fruit to implement.
>
> The introduction of rudimentary tablespaces is a first step.  I assumed that 
> the point was to get to a DB2-like structure at some point.  Yes?

We already have tablespaces, and our data already is accessed through
the buffer pool.

-- 
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company

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