Re: ZODB Talk Slides

Thanks for the excellent feedback. 

> On Oct 24, 2017, at 3:04 PM, Jim Fulton <[email protected]> wrote:
> This is looking better and better. 

Thank you.  The slides are available under creative commons non-commercial attribute license.  Doing a ZODB talk will generally get you a free PyCon conference pass, and lots of respect. 

These talks will bring ZODB more name recognition, but I still do not think anyone will start using it because of this presentation.  

I should also mention that 

https://PythonLinks.info/the-world#companies 

is improving.  Poland is quite mature, now I am doing England. Please add your company.  If you have a user group, 
you might be interested in creating a local map.  You can then offer your sponsors to highlight their company 
with a green row. Maybe approve their job postings. 

More detailed comments are below.  

Warm Regards
Chris


> 

> I think there's too much focus on applications in the last part.
Well the talk is about the ZODB Ecosystem.  I think people want an ecosystem, not just a database.  Gives more value.  
Comments anyone else?

> (zcml, really?)

I got rid of the ZCML and Pyramid configuration slides.  Thank you for that advice.  Really grok configuration is the easy-to-use approach.  
 I was looking at it from the wrong perspective.  

> I created  a simple image for ZRS.  It adds in Jim Fulton’s idea of using it as a guaranteed message delivery system for driving Elastic Search or PostgreSQL.   
> 
> This may be misleading. Using replication to update external indexes is only an idea. It's never been tried afaik.
So I added that clearly in the subtitle. 

> After my second talk they asked about indexes.  Indexes are so central to relational databases.  So I added in a slide about repoze.catalog.
> 
> You should also mention Newt, which lets you index with Postgres.
Newt is in the slide on ZODB storage options.  I think about page 22.  Lower right hand corner.
Maybe it should have its own slide.  I wish I knew what was important to the market.  

Thinking about it, Newt is huge in the market, because you can have your data in both places.  Can you update through PostgreSQL, or only 
through the ZODB?

> And you should mention various tools that let you use external indexes.
A URL or two would be helpful. 

> 
>  
> I wonder what the next missing question will be?  I wonder what it takes to actually get users to use the ZODB?
> 
> IMO, the main selling point is ease of use. You touch on that in your slides. There are serveral facets of this:
> 
> - transparent persistence
Got it. 

> - transactionally-consistent caching
Never occurred to me that this could be a problem. 

> - Easy testing
A URL would be helpful.  I have dug for this but with no luck. 

> - Garbage collection
It is interesting, since I use it, I do not even think of garbage collection.  Is it a problem with other databases?


> 
> Jim
> 
> -- 
> Jim Fulton
> http://jimfulton.info <http://jimfulton.info/>

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