Postgres Pro
Downloads
Home   >   mailing lists

Re: Delay locking partitions during INSERT and UPDATE - Mailing list pgsql-hackers

From John Naylor
Subject Re: Delay locking partitions during INSERT and UPDATE
Date
Msg-id CACPNZCt7aVDBkSmjg_wgMTX17amJpc-pS7OwGEz_kYRQ6mZx3w@mail.gmail.com
Whole thread Raw
In response to Re: Delay locking partitions during INSERT and UPDATE  (David Rowley <david.rowley@2ndquadrant.com>)
Responses Re: Delay locking partitions during INSERT and UPDATE  (Tomas Vondra <tomas.vondra@2ndquadrant.com>)
List pgsql-hackers
Tree view 
On Wed, Jan 23, 2019 at 7:56 PM David Rowley
<david.rowley@2ndquadrant.com> wrote:
> On Thu, 24 Jan 2019 at 13:38, John Naylor <john.naylor@2ndquadrant.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

pgsql-hackers by date:

Previous
From: John Naylor
Date:
Subject: Re: WIP: Avoid creation of the free space map for small tables
Next
From: Jeremy Finzel
Date:
Subject: Implicit timezone conversion replicating from timestamp to timestamptz?