Reassign an elected master

Is there a best practice on reassigning an elected master? For example, if I need to take down that master for maintenance.

Thanks,
-Vinh

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vinh wrote:

Is there a best practice on reassigning an elected master? For
example, if I need to take down that master for maintenance.

You should stop it gracefully using either the API or giving the
java process a TERM.

http://www.elasticsearch.org/guide/reference/api/admin-cluster-nodes-shutdown/

Easiest way is to run this from the cluster:

curl -XPOST localhost:9200/_cluster/nodes/_master/_shutdown

Make sure that if you have minimum_master_nodes set there are
enough leftover that the cluster can tolerate losing one of them.

Drew

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Thanks Drew!
-Vinh

On Jul 19, 2013, at 8:45 PM, Drew Raines aaraines@gmail.com wrote:

vinh wrote:

Is there a best practice on reassigning an elected master? For example, if I need to take down that master for maintenance.

You should stop it gracefully using either the API or giving the java process a TERM.

http://www.elasticsearch.org/guide/reference/api/admin-cluster-nodes-shutdown/

Easiest way is to run this from the cluster:

curl -XPOST localhost:9200/_cluster/nodes/_master/_shutdown

Make sure that if you have minimum_master_nodes set there are enough leftover that the cluster can tolerate losing one of them.

Drew

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