RE: Protect syscache from bloating with negative cache entries

From: bruce@momjian.us [mailto:bruce@momjian.us]
> On Mon, Feb 4, 2019 at 08:23:39AM +0000, Tsunakawa, Takayuki wrote:
> > Horiguchi-san, Bruce, all, So, why don't we make
> > syscache_memory_target the upper limit on the total size of all
> > catcaches, and rethink the past LRU management?
> 
> I was going to say that our experience with LRU has been that the
> overhead is not worth the value, but that was in shared resource cases,
> which this is not.

That's good news!  Then, let's proceed with the approach involving LRU, Horiguchi-san, Ideriha-san.


Regards
Takayuki Tsunakawa