Postgres Pro
Downloads
Home   >   mailing lists

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

From Robert Haas
Subject Re: [HACKERS] POC: Cache data in GetSnapshotData()
Date
Msg-id CA+TgmoYuuhFPifAPHBCFz95hANeMHVoRKtpon0sdAOYTJWiaiQ@mail.gmail.com
Whole thread Raw
In response to Re: [HACKERS] POC: Cache data in GetSnapshotData()  (Mithun Cy <mithun.cy@enterprisedb.com>)
Responses Re: [HACKERS] POC: Cache data in GetSnapshotData()
List pgsql-hackers
Tree view 
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


-- 
Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org)
To make changes to your subscription:
http://www.postgresql.org/mailpref/pgsql-hackers

pgsql-hackers by date:

Previous
From: Craig Ringer
Date:
Subject: Re: [HACKERS] Error: dsa_area could not attach to a segment that hasbeen freed
Next
From: Andrew Dunstan
Date:
Subject: Re: [HACKERS] Windows warnings from VS 2017