Horton

Re: Clock sweep not caching enough B-Tree leaf pages?

Andres Freund <andres@2ndquadrant.com>

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From: Andres Freund <andres@2ndquadrant.com>
To: Robert Haas <robertmhaas@gmail.com>
Cc: Merlin Moncure <mmoncure@gmail.com>, Peter Geoghegan <pg@heroku.com>, Pg Hackers <pgsql-hackers@postgresql.org>
Date: 2014-04-16T15:09:47Z
Lists: pgsql-hackers 
Hi,


Stephen flagged a ENOPARSE:

On 2014-04-16 16:49:55 +0200, Andres Freund wrote:
> But I also agree with Merlin's that comment at the moment that the
> scalability issues (concurrency and size of shared buffers).

That should have been:

But I also agree with Merlin's comment that at the moment the
scalability issues are bigger than the cache eviction choices.

Greetings,

Andres Freund

-- 
 Andres Freund	                   http://www.2ndQuadrant.com/
 PostgreSQL Development, 24x7 Support, Training & Services

Commits

  1. Replace the BufMgrLock with separate locks on the lookup hashtable and