Re: Announcing Newt DB, the amphibious database

Thanks Jim,

On 22 February 2017 at 22:31, Jim Fulton <[email protected]> wrote:

> Maybe.  If you were using catalogs and used Postgres indexes instead, you
> could end up writing a lot less, and have far fewer conflicts, which would
> help.
>
> Have you tried RelStorage with Postgres? I'm guessing that there are
> opportunities to scale Postgres a lot farther than ZEO.
>
I'm trying to create a local instance with RelStorage but getting
version/pinning issues when running buildout in a plone 4.3.10 instance. So
far I've pinned:
transaction = 2.1.0
relstorage = 2.1a1

With these pins the buildout completes successfully but now I cannot start
the client, I get:
  File
"/home/mike/instances/sqltlm/buildout-cache/eggs/RelStorage-2.1a1-py2.7-linux-x86_64.egg/relstorage/_compat.py",
line 82, in <module>
    from ZODB._compat import BytesIO
ImportError: No module named _compat

I'll keep going but do you (or anyone else) have a KGV dev buildout for
plone 4.3.x?

Newt can slow writes down, if you have a lot of indexes. :)  Although if
> you're replacing catalogs with Postgres indexes it's probably a big net
> win.  You can also mitigate index burden on writes by using the
> asynchronous JSON converter:
>
> http://www.newtdb.org/en/latest/topics/updater.html
>
Good to know - I'll try it when I have a working instance.

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