Question on adding new node to ES cluster


(karthik426) #1

Hi,

I am trying to understand the process of adding a new node to an existing
ES cluster. Specifically I wanted to understand during the shard allocation
that happens as a part of adding a new node, will the cluster overall be
available for serving new requests - specifically search requests ? Or can
we expect any performance impacts during the same ?

Thanks,
Karthik

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(David Pilato) #2

Elasticsearch will be able to serve all your requests during that time.

You will probably see some IO increasing but IIRC it will be bounded to 20 mb/s by default.

HTH

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David :wink:
Twitter : @dadoonet / @elasticsearchfr / @scrutmydocs

Le 24 juin 2014 à 18:49, karthik jayanthi karthikjayanthi.iitm@gmail.com a écrit :

Hi,

I am trying to understand the process of adding a new node to an existing ES cluster. Specifically I wanted to understand during the shard allocation that happens as a part of adding a new node, will the cluster overall be available for serving new requests - specifically search requests ? Or can we expect any performance impacts during the same ?

Thanks,
Karthik

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(karthik426) #3

Thanks for the response.

Thanks,
Karthik

On Wed, Jun 25, 2014 at 1:19 AM, David Pilato david@pilato.fr wrote:

Elasticsearch will be able to serve all your requests during that time.

You will probably see some IO increasing but IIRC it will be bounded to 20
mb/s by default.

HTH

--
David :wink:
Twitter : @dadoonet / @elasticsearchfr / @scrutmydocs

Le 24 juin 2014 à 18:49, karthik jayanthi karthikjayanthi.iitm@gmail.com
a écrit :

Hi,

I am trying to understand the process of adding a new node to an existing
ES cluster. Specifically I wanted to understand during the shard allocation
that happens as a part of adding a new node, will the cluster overall be
available for serving new requests - specifically search requests ? Or can
we expect any performance impacts during the same ?

Thanks,
Karthik

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Karthik Jayanthi

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(system) #4