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From Aldrin Piri <aldrinp...@gmail.com>
Subject Re: Preserve or replace 'state' directory during upgrade - NiFi 1.1.2
Date Thu, 30 Mar 2017 23:39:07 GMT
Mark beat me to the reply but it does appear our documentation is lacking.
I've opened up an issue to include/improve this aspect in one of our
upgrade and/or admin guides.
https://issues.apache.org/jira/browse/NIFI-3665

Good question and thanks for reaching out.

On Thu, Mar 30, 2017 at 7:31 PM, Mark Payne <markap14@hotmail.com> wrote:

> Hi Wes,
>
> Moving the state directory outside of the nifi home directory is
> definitely a good idea. Otherwise processors would lose state so List*
> processors, for instance, would start over from the beginning.
>
> Thanks
> -Mark
>
> Sent from my iPhone
>
> > On Mar 30, 2017, at 7:07 PM, Wes Lawrence <wesleyll505@gmail.com> wrote:
> >
> > I just wanted to confirm something, but I couldn't find anything online.
> >
> > A lot of docs that talk about setting NiFi up from a System Admin's
> point-of-view, mention changing config to move several folders out of the
> NiFi root dir. These typically include all 4 repositories, as well as files
> like the flow.xml.gz.
> >
> > I see most guide leave the 'work' dir in place, so I assume when a new
> version comes out, nothing is lost if 'work' is deleted.
> >
> > However, I'm not sure about the 'state' dir. Should this exist outside
> of the root dir, if the idea is to replace NiFi's root dir with a new
> version, or does it also get re-built like 'work'? Does it make a
> difference when running single node vs (master-less) cluster?
> >
> > Thanks for any advice in advance,
> > --Wes
>

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