Re: Temp tables and LRU-K caching - Mailing list pgsql-hackers

From Bruce Momjian
Subject Re: Temp tables and LRU-K caching
Date
Msg-id 200209231639.g8NGd6a25234@candle.pha.pa.us
Whole thread Raw
In response to Re: Temp tables and LRU-K caching  (Tom Lane <tgl@sss.pgh.pa.us>)
List pgsql-hackers
Tom Lane wrote:
> Mike Mascari <mascarm@mascari.com> writes:
> > Bruce wrote:
> > "Yes, someone from India has a project to test LRU-K and MRU for 
> > large table scans and report back the results.  He will 
> > implement whichever is best."
> > Did this make it into 7.3?
> 
> No, we never heard back from that guy.  It is still a live topic though.
> One of the Red Hat people was looking at it over the summer, and I think
> Neil Conway is experimenting with LRU-2 code right now.
> 
> > 2. Gavin Sherry had worked up a patch so that temporary 
> > relations could be dropped automatically upon transaction 
> > commit. Did any of those patches it make it?
> 
> No they didn't; I forget whether there was any objection to his last try
> or it was just too late to get reviewed before feature freeze.

I see it going into the patch queue.  Here is the full thread:

http://groups.google.com/groups?hl=en&lr=&ie=UTF-8&threadm=200208272124.g7RLO1L20172%40candle.pha.pa.us&rnum=1&prev=/groups%3Fq%3Dcreate%2Btemp%2Btable%2Bon%2Bcommit%2Bgroup:comp.databases.postgresql.*%26hl%3Den%26lr%3D%26ie%3DUTF-8%26scoring%3Dd%26selm%3D200208272124.g7RLO1L20172%2540candle.pha.pa.us%26rnum%3D1

I don't see why it wasn't applied.

--  Bruce Momjian                        |  http://candle.pha.pa.us pgman@candle.pha.pa.us               |  (610)
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