Re: POC: Cache data in GetSnapshotData() - Mailing list pgsql-hackers

From Andres Freund
Subject Re: POC: Cache data in GetSnapshotData()
Date
Msg-id 20160316173326.3pqdrfgr56jri4ej@alap3.anarazel.de
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In response to Re: POC: Cache data in GetSnapshotData()  (Robert Haas <robertmhaas@gmail.com>)
Responses Re: POC: Cache data in GetSnapshotData()  (Robert Haas <robertmhaas@gmail.com>)
List pgsql-hackers
On 2016-03-16 13:29:22 -0400, Robert Haas wrote:
> Whoa.  At 64 clients, we're hardly getting any benefit, but then by 88
> clients, we're getting a huge benefit.  I wonder why there's that sharp
> change there.

What's the specifics of the machine tested? I wonder if it either
correlates with the number of hardware threads, real cores, or cache
sizes.

- Andres



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