| From: | Amit Kapila <amit(dot)kapila16(at)gmail(dot)com> |
|---|---|
| To: | "movead(dot)li(at)highgo(dot)ca" <movead(dot)li(at)highgo(dot)ca> |
| Cc: | pgsql-hackers <pgsql-hackers(at)lists(dot)postgresql(dot)org> |
| Subject: | Re: POC and rebased patch for CSN based snapshots |
| Date: | 2020-06-13 06:44:44 |
| Message-ID: | CAA4eK1+kGOusSir609P=6Hcf7tmqXAipuCkJbeozVcU0CNV0Lg@mail.gmail.com |
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| Lists: | pgsql-hackers |
On Fri, Jun 12, 2020 at 3:11 PM movead(dot)li(at)highgo(dot)ca <movead(dot)li(at)highgo(dot)ca> wrote:
>
> Hello hackers,
>
> Currently, I do some changes based on the last version:
> 1. Catch up to the current commit (c2bd1fec32ab54).
> 2. Add regression and document.
> 3. Add support to switch from xid-base snapshot to csn-base snapshot,
> and the same with standby side.
>
AFAIU, this patch is to improve scalability and also will be helpful
for Global Snapshots stuff, is that right? If so, how much
performance/scalability benefit this patch will have after Andres's
recent work on scalability [1]?
[1] - https://www.postgresql.org/message-id/20200301083601.ews6hz5dduc3w2se%40alap3.anarazel.de
--
With Regards,
Amit Kapila.
EnterpriseDB: http://www.enterprisedb.com
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