Re: Patch: Write Amplification Reduction Method (WARM)

> On 28 Jul 2017, at 16:46, Robert Haas <robertmhaas(at)gmail(dot)com> wrote:
>
> On Fri, Jul 28, 2017 at 12:39 AM, Pavan Deolasee
> <pavan(dot)deolasee(at)gmail(dot)com> wrote:
>> I see your point. But I would like to think this way: does the technology
>> significantly help many common use cases, that are currently not addressed
>> by HOT? It probably won't help all workloads, that's given. Also, we don't
>> have any credible alternative while this patch has progressed quite a lot.
>> May be Robert will soon present the pluggable storage/UNDO patch and that
>> will cover everything and more that is currently covered by HOT/WARM. That
>> will probably make many other things redundant.
>
> A lot of work is currently being done on this, by multiple people,
> mostly not including me, and a lot of good progress is being made.
> But it's not exactly ready to ship, nor will it be any time soon. I
> think we can run a 1-client pgbench without crashing the server at
> this point, if you tweak the configuration a little bit and don't do
> anything fancy like, say, try to roll back a transaction. :-)

The discussions in this implies that there is a bit more work on this patch,
which also hasn’t moved in the current commitfest, so marking it Returned with
Feedback. Please re-submit this work in a future commitfest when ready for a
new round of reviews.

cheers ./daniel