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From Otto Fowler <>
Subject Re: Storm Slots - creating and deploying parsers
Date Fri, 02 Jun 2017 17:36:58 GMT

Simon, please feel free to edit or expound.

On June 2, 2017 at 13:30:46, Otto Fowler ( wrote:

Thanks, you can shoot that to the list or comment on METRON-947 ( PR#580 )

I’ll add the lira.

On June 2, 2017 at 13:29:28, Simon Elliston Ball ( wrote:

That’s a great idea, at the moment I believe it just sort of fails silently
when creating the topology, so we should definitely get a JIRA for that.
I’ll kick off something to collect some of the collected wisdom from
everyone as well I think on Storm, maybe we need a tuning page similar to
Jon’s excellent Search tuning page.


On 2 Jun 2017, at 18:27, Otto Fowler <> wrote:

Can you write a blurb on your best practices?  I would like to add it to
METRON-947 steps and documentation.

Maybe the Jira for the Management UI would be to have something tell you if
you don’t have enough slots to activate a parser or something?

On June 2, 2017 at 13:23:30, Simon Elliston Ball ( wrote:

Correct, you need to make sure you have sufficient slots in Ambari.
Personally I tend to just add a bunch of ports at install, and create slots
across the supervisors, but you can always add more supervisors too.


> On 2 Jun 2017, at 18:10, Otto Fowler <> wrote:
> What is our current thinking on storm slot requirements for adding parsers

> to the system? Please correct me if I am wrong but I don’t think the rest
> services do this, so we have to go into ambari.

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