| From: | John Naylor <john(dot)naylor(at)2ndquadrant(dot)com> |
|---|---|
| To: | David Rowley <david(dot)rowley(at)2ndquadrant(dot)com> |
| Cc: | PostgreSQL Hackers <pgsql-hackers(at)lists(dot)postgresql(dot)org> |
| Subject: | Re: Delay locking partitions during INSERT and UPDATE |
| Date: | 2019-01-24 20:50:17 |
| Message-ID: | CACPNZCt7aVDBkSmjg_wgMTX17amJpc-pS7OwGEz_kYRQ6mZx3w@mail.gmail.com |
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| Lists: | pgsql-hackers |
On Wed, Jan 23, 2019 at 7:56 PM David Rowley
<david(dot)rowley(at)2ndquadrant(dot)com> wrote:
> On Thu, 24 Jan 2019 at 13:38, John Naylor <john(dot)naylor(at)2ndquadrant(dot)com> wrote:
> > Hmm, now instead of an 85x speedup over master in the 10k partition
> > case, I only get 20x. Anyone else see this?
>
> What's it like with fsync off?
No change. Just in case, I tried git bisect and also recreated the
cluster, but never got the same performance as my first test, so not
sure what happened.
--
John Naylor https://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services
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