Re: [HACKERS] Moving relation extension locks out of heavyweight lock manager

On Tue, Apr 10, 2018 at 5:40 AM, Masahiko Sawada <sawada.mshk@gmail.com> wrote:
> The probability of performance degradation can be reduced by
> increasing N_RELEXTLOCK_ENTS. But as Robert mentioned, while keeping
> fast and simple implementation like acquiring lock by a few atomic
> operation it's hard to improve or at least keep the current
> performance on all cases. I was thinking that this patch is necessary
> by parallel DML operations and vacuum but if the community cannot
> accept this approach it might be better to mark it as "Rejected" and
> then I should reconsider the design of parallel vacuum.

I'm sorry that I didn't get time to work further on this during the
CommitFest.  In terms of moving forward, I'd still like to hear what
Andres has to say about the comments I made on March 1st.

-- 
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company