Re: [HACKERS] POC: Cache data in GetSnapshotData()

On Wed, Sep 20, 2017 at 10:04 PM, Mithun Cy <mithun.cy@enterprisedb.com> wrote:
> My current tests show on scylla (2 socket machine with 28 CPU core) I
> do not see any improvement at all as similar to Jesper. But same tests
> on power2 (4 sockets) and Cthulhu(8 socket machine) we can see
> improvements.

OK, makes sense.  So for whatever reason, this appears to be something
that will only help users with >2 sockets.  But that's not necessarily
a bad thing.

The small regression at 1 client is a bit concerning though.

-- 
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company


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