| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | Robert Haas <robertmhaas(at)gmail(dot)com> |
| Cc: | Andres Freund <andres(at)anarazel(dot)de>, Noah Misch <noah(at)leadboat(dot)com>, Ashutosh Sharma <ashu(dot)coek88(at)gmail(dot)com>, Amit Kapila <amit(dot)kapila16(at)gmail(dot)com>, pgsql-hackers <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: Performance degradation in commit 6150a1b0 |
| Date: | 2016-03-31 14:13:44 |
| Message-ID: | 20624.1459433624@sss.pgh.pa.us |
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| Lists: | pgsql-hackers |
Robert Haas <robertmhaas(at)gmail(dot)com> writes:
> On Thu, Mar 31, 2016 at 6:45 AM, Andres Freund <andres(at)anarazel(dot)de> wrote:
>> On 2016-03-31 06:43:19 -0400, Robert Haas wrote:
>>> To which proposal are you referring?
>> 1) in http://www.postgresql.org/message-id/20160328130904.4mhugvkf4f3wg4qb@awork2.anarazel.de
> OK. So, Noah, my proposed strategy is to wait and see if Andres can
> make that work, and if not, then revisit the issue of what to do.
I thought that proposal had already crashed and burned, on the grounds
that byte-size spinlocks require instructions that many PPC machines
don't have.
regards, tom lane
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