| From: | Kevin Grittner <kgrittn(at)gmail(dot)com> |
|---|---|
| To: | Alexander Korotkov <a(dot)korotkov(at)postgrespro(dot)ru> |
| Cc: | Kevin Grittner <kgrittn(at)postgresql(dot)org>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Andres Freund <andres(at)anarazel(dot)de>, Simon Riggs <simon(at)2ndquadrant(dot)com>, Robert Haas <robert(dot)haas(at)enterprisedb(dot)com>, "pgsql-committers(at)postgresql(dot)org" <pgsql-committers(at)postgresql(dot)org>, pgsql-hackers <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: pgsql: Add the "snapshot too old" feature |
| Date: | 2016-04-12 18:57:26 |
| Message-ID: | CACjxUsMZtM-qXZCfGovNYX95qxLRGq5sYPNaOPqft7iTxjG1sA@mail.gmail.com |
| Views: | Raw Message | Whole Thread | Download mbox | Resend email |
| Thread: | |
| Lists: | pgsql-committers pgsql-hackers |
On Mon, Apr 11, 2016 at 12:31 PM, Kevin Grittner <kgrittn(at)gmail(dot)com> wrote:
> On Mon, Apr 11, 2016 at 8:20 AM, Alexander Korotkov
>> So, for read-only benchmark this patch introduces more than 5 times
>> regression on big machine.
>
> I did not schedule a saturation test on a big machine. I guess I
> should have done.
I have booked two large NUMA machines for Friday to look for any
remaining performance regressions on high-concurrency loads on such
machines. Anyone with ideas on particular tests that they feel
should be included, please let me know before then.
Thanks!
--
Kevin Grittner
EDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company
| From | Date | Subject | |
|---|---|---|---|
| Next Message | Andres Freund | 2016-04-12 18:59:06 | Re: pgsql: Add the "snapshot too old" feature |
| Previous Message | Andres Freund | 2016-04-12 18:56:25 | Re: [HACKERS] Re: pgsql: Avoid extra locks in GetSnapshotData if old_snapshot_threshold < |
| From | Date | Subject | |
|---|---|---|---|
| Next Message | Andres Freund | 2016-04-12 18:59:06 | Re: pgsql: Add the "snapshot too old" feature |
| Previous Message | Andres Freund | 2016-04-12 18:56:25 | Re: [HACKERS] Re: pgsql: Avoid extra locks in GetSnapshotData if old_snapshot_threshold < |