Re: Changing WAL Header to reduce contention duringReserveXLogInsertLocation() - Mailing list pgsql-hackers

From Heikki Linnakangas
Subject Re: Changing WAL Header to reduce contention duringReserveXLogInsertLocation()
Date
Msg-id 209709d9-a7fe-7d14-f37f-b331695ce339@iki.fi
Whole thread Raw
In response to Re: Changing WAL Header to reduce contention during ReserveXLogInsertLocation()  (Simon Riggs <simon@2ndquadrant.com>)
List pgsql-hackers
On 09/07/18 18:57, Simon Riggs wrote:
> On 9 July 2018 at 14:49, Heikki Linnakangas <hlinnaka@iki.fi> wrote:
>> I'll mark this as "returned with feedback" in the commitfest. The way
>> forward is to test if we can get the same performance benefit from switching
>> to CMPXCHG16B, and keep the WAL format unchanged. If not, then we can
>> continue discussing the WAL format and the tradeoffs with xl_prev, but let's
>> take the easy way out if we can.
> 
> Agreed. Were you working on this? Or was anybody else?

Not me.

- Heikki


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