You should define this in that case:
Elasticsearch Platform — Find real-time answers at scale | Elastic
But it's not anymore a rolling upgrade, right? Your service will be down
for some seconds/minutes I guess.
David
Le 19 févr. 2015 à 07:52, Jan-Erik Westlund je.westlund@gmail.com a
écrit :
I understand that, but is it safe to change all the nodenames and restart
all the nodes at the same time ?
Skickat från min iPhone 6.
19 feb 2015 kl. 07:47 skrev David Pilato david@pilato.fr:
You can change safely elasticsearch.yml file while elasticsearch is
running.
This file is only loaded when elasticsearch starts.
David
Le 19 févr. 2015 à 07:33, Jan-Erik Westlund je.westlund@gmail.com a
écrit :
Hi again !
Thanks for Rolling restart info, that was really helpful.
But since the "elasticsearch.yml" file is managed by Puppet, all the
nodenames will change pretty much at the same time !
So in my case it would be best to shutdown the ES daemon on all nodes
first, apply the Puppet changes and then start the ES cluster again...
Is it safe to do so ?
//Jan-Erik
Den onsdag 18 februari 2015 kl. 16:44:35 UTC+1 skrev David Pilato:
Have a look at Elasticsearch Platform — Find real-time answers at scale | Elastic
reference/current/cluster-nodes-shutdown.html#rolling
restart_of_nodes_full_cluster_restart
--
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Le 18 févr. 2015 à 16:37, Jan-Erik Westlund je.we...@gmail.com a écrit
:
Thanks David !
All my "Recovery Throttling settings" are default in the
elasticsearch.yml file.
How do I disable allocation, in a running production environment ?
Do I need to disable allocation first, restart each node / daemon, and
after rename the nodes ?
Or maybe it would be better to down the ES cluster (all 3 nodes) during a
maintenance windows, change all names, and then restart the ES cluster
nodes again ?
//Jan-Erik
Den onsdag 18 februari 2015 kl. 16:18:42 UTC+1 skrev David Pilato:
Yes. It’s safe.
You can do it one at a time.
If you already have data around and don’t want your shards moving during
this, you should disable allocation.
--
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https://twitter.com/scrutmydocs
Le 18 févr. 2015 à 16:14, Jan-Erik Westlund je.we...@gmail.com a
écrit :
Hi !
Is it safe to change the node names of my 3 nodes in an existing
elasticsearch 1.4.0 cluster ?
The reason is to get rid of the random names like: Elizabeth "Betsy"
Braddock, Franz Kafka, etc...
Is it just to set the node.name: "server name" in elasticsearch.yml and
then restart the daemon ?
Do I do it one node at the time, or do I need down the cluster and then
change all node names, and then bring up the cluster again ?
//Jan-Erik
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The service