Re: Interesting paper: Contention-Aware Lock Scheduling - Mailing list pgsql-hackers

From Garym
Subject Re: Interesting paper: Contention-Aware Lock Scheduling
Date
Msg-id 0939AF17-41E3-458A-A3D0-D4BD12E89829@oedata.com
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In response to Re: Interesting paper: Contention-Aware Lock Scheduling  (Evgeniy Shishkin <itparanoia@gmail.com>)
List pgsql-hackers
I did testing on 9.6 and 10.  Outside of slaves at distance, it does demonstrate consistent OOA  operation whether
intentional/enforcedor not. :) 

Sent from my iPad

> On Apr 13, 2018, at 11:50 AM, Evgeniy Shishkin <itparanoia@gmail.com> wrote:
>
>
>
>> On Apr 13, 2018, at 20:46, Garym <garym@oedata.com> wrote:
>>
>> LDFS does show improvements for certain workloads, however it sacrifices temporal order and may interfere with
historicalanalytics. If applications can tolerate ambiguous order of processing, it shows good gains.  
>
> AFAIK, we don't guarantee order of processing anyway. Just some order.


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