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Is it possible to run manager, utility and edge node on one and the same host?

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Explorer

I have a very small physical cluster of 4 hosts where I want to run a CDH with Cloudera Manager. In order to have at least 3 worker hosts I'd like to install the utility and edge node along with the master node on the same host. Is this possible?
Does it make sense to separete master and utility/edge nodes on two distinct hosts and go with only 2 worker hosts?

Is there an alternative setup being restricted to 4 hosts? Thanks for any advice!

 

 

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Master Guru
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6 REPLIES 6

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New Contributor

Hi,

 

do you want to use this configuration for production or only for evaluation and testing?

 

BR, cabguy0815

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Explorer
Hi @cabguy0815,
it is meant for evaluation and testing but the installation/configuration should not be totally unrealistic. Thanks and best regards, rdbb.

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Expert Contributor

Hi @rdbb, Its depends of your objetive.

 

There are not any restriction, but really you need a edge node?

 

 

Regards, Manu.

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Explorer

Hi @manuroman ,

 

thanks for the hint. Maybe we can omit the services typically running on an edge node.

But reading Cloudera's CDH Cluster Hosts and Role Assignments my understanding is, that at least three different types of hosts are recommended even for a very small installation.

- One master host

- One host combining utitliy and edge functionality

- Three worker hosts

 

Omitting the edge functionality now comes to the question if it is reasonable to install utilities like the Cloudera Manager on the master host? As mentioned in the original post, we are restricted to 4 hosts.

Best regards,

rdbb

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Explorer
Thanks @bgooley !
That confirms that we are not totally off-track.
Best regards,
rdbb