Re: Reducing ClogControlLock contention

On Wed, Jul 1, 2015 at 1:38 PM, Simon Riggs <simon@2ndquadrant.com> wrote:
>
> On 1 July 2015 at 09:00, Amit Kapila <amit.kapila16@gmail.com> wrote:
>>
>>
>> I think it will be better to partition it or use it in some other way to avoid
>> two concurrent writers block at it, however if you want to first see the
>> test results with this, then that is also okay.
>
>
> Many updates would be on same page, so partitioning it would need to be at least 4-way to be worth doing. Maybe we could stripe into 512 bye pages.

>

Sure, it makes sense to try that way, once you have that ready, I can

try this out along with ProcArrayLock patch to see the impact.