Re: [HACKERS] Protect syscache from bloating with negative cacheentries - Mailing list pgsql-hackers

From Andres Freund
Subject Re: [HACKERS] Protect syscache from bloating with negative cacheentries
Date
Msg-id 20170113230631.uuq3ioq2qlyjio5q@alap3.anarazel.de
Whole thread Raw
In response to Re: [HACKERS] Protect syscache from bloating with negative cache entries  (Tom Lane <tgl@sss.pgh.pa.us>)
List pgsql-hackers
Hi,


On 2017-01-13 17:58:41 -0500, Tom Lane wrote:
> But, again, the catcache isn't the only source of per-process bloat
> and I'm not even sure it's the main one.  A more holistic approach
> might be called for.

It'd be helpful if we'd find a way to make it easy to get statistics
about the size of various caches in production systems. Right now that's
kinda hard, resulting in us having to make a lot of guesses...

Andres



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