Dear Greg Smith,

Thank you for letting me know about the presentations in your homepage.

It's going to be much helpful in understanding the internal of postgresql 
further.


- Best Regards
  Hongchan Roh -


-----Original Message-----
From: Greg Smith [mailto:gsm...@gregsmith.com] 
Sent: Monday, October 26, 2009 5:32 AM
To: 노홍찬
Cc: pgsql-hackers@postgresql.org
Subject: Re: [HACKERS] a question about relkind of RelationData handed over to 
heap_update function 

On Mon, 26 Oct 2009, ??? wrote:

> What I am trying to do now is to examine the real dirty portion of 
> buffer pages to be flushed like the following.

You can trivially use pg_buffercache for view this, and its code in 
contrib/pg_buffercache will show you how to navigate the buffer cache data 
too.  There's example of how to use it in the documentation for that 
module and I've got some additional ones on my web page at 
http://www.westnet.com/~gsmith/content/postgresql in the slides and 
examples for "Inside the PostgreSQL Buffer Cache".

--
* Greg Smith gsm...@gregsmith.com http://www.gregsmith.com Baltimore, MD


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