Horton

Re: Delay locking partitions during INSERT and UPDATE

David Rowley <david.rowley@2ndquadrant.com>

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From: David Rowley <david.rowley@2ndquadrant.com>
To: John Naylor <john.naylor@2ndquadrant.com>
Cc: PostgreSQL Hackers <pgsql-hackers@lists.postgresql.org>
Date: 2019-01-24T00:56:36Z
Lists: pgsql-hackers 
On Thu, 24 Jan 2019 at 13:38, John Naylor <john.naylor@2ndquadrant.com> wrote:
>
> On Tue, Jan 22, 2019 at 4:31 PM David Rowley
> <david.rowley@2ndquadrant.com> wrote:
> > Thanks. I've attached a rebased version.
>
> 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?

-- 
 David Rowley                   http://www.2ndQuadrant.com/
 PostgreSQL Development, 24x7 Support, Training & Services

Commits

  1. Delay lock acquisition for partitions until we route a tuple to them.