Evacuate data off of a node?

Elastic Stack Elasticsearch
1

Is there a way to tell a node to remove all of its data (spread it back out
among the other nodes) so that I can shut it down and not deal with a
rebalance/re-replicate once its down?

If I have 2 copies of each shard and I drop one node, some of the shards
now only have 1 live copy and it has to be re-replicated. I'd prefer to not
drop down to 1 live copy for any period of time if I can avoid it.

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2

The cluster.routing.allocation.exclude._ip config - see

--

Itamar Syn-Hershko
http://code972.com | @synhershko https://twitter.com/synhershko
Freelance Developer & Consultant
Author of RavenDB in Action http://manning.com/synhershko/

On Sat, Jan 11, 2014 at 7:36 PM, Nate Fox thefox@gmail.com wrote:

Is there a way to tell a node to remove all of its data (spread it back
out among the other nodes) so that I can shut it down and not deal with a
rebalance/re-replicate once its down?

If I have 2 copies of each shard and I drop one node, some of the shards
now only have 1 live copy and it has to be re-replicated. I'd prefer to not
drop down to 1 live copy for any period of time if I can avoid it.

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3

Thank you. Somehow my googling never brought up the existing topics on that.
From the docs, I see I can do the following:

curl -XPUT localhost:9200/_cluster/settings -d '{
"transient" : {
"cluster.routing.allocation.exclude._ip" : "10.0.0.1"
}
}'

However, what do I do to 're-allow' the IP? Do I use the .include._ip or do
I set the .exclude._ip string to ""?

On Sat, Jan 11, 2014 at 9:39 AM, Itamar Syn-Hershko itamar@code972.comwrote:

The cluster.routing.allocation.exclude._ip config - see
ElasticSearch Shard Placement Control - Sematext

--

Itamar Syn-Hershko
http://code972.com | @synhershko https://twitter.com/synhershko
Freelance Developer & Consultant
Author of RavenDB in Action http://manning.com/synhershko/

On Sat, Jan 11, 2014 at 7:36 PM, Nate Fox thefox@gmail.com wrote:

Is there a way to tell a node to remove all of its data (spread it back
out among the other nodes) so that I can shut it down and not deal with a
rebalance/re-replicate once its down?

If I have 2 copies of each shard and I drop one node, some of the shards
now only have 1 live copy and it has to be re-replicated. I'd prefer to not
drop down to 1 live copy for any period of time if I can avoid it.

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4

You update the exclude setting to remove that IP, usually

--

Itamar Syn-Hershko
http://code972.com | @synhershko https://twitter.com/synhershko
Freelance Developer & Consultant
Author of RavenDB in Action http://manning.com/synhershko/

On Sat, Jan 11, 2014 at 7:46 PM, Nate Fox thefox@gmail.com wrote:

Thank you. Somehow my googling never brought up the existing topics on
that.
From the docs, I see I can do the following:

curl -XPUT localhost:9200/_cluster/settings -d '{
"transient" : {
"cluster.routing.allocation.exclude._ip" : "10.0.0.1"
}
}'

However, what do I do to 're-allow' the IP? Do I use the .include._ip or
do I set the .exclude._ip string to ""?

On Sat, Jan 11, 2014 at 9:39 AM, Itamar Syn-Hershko itamar@code972.comwrote:

The cluster.routing.allocation.exclude._ip config - see
ElasticSearch Shard Placement Control - Sematext

--

Itamar Syn-Hershko
http://code972.com | @synhershko https://twitter.com/synhershko
Freelance Developer & Consultant
Author of RavenDB in Action http://manning.com/synhershko/

On Sat, Jan 11, 2014 at 7:36 PM, Nate Fox thefox@gmail.com wrote:

Is there a way to tell a node to remove all of its data (spread it
back out among the other nodes) so that I can shut it down and not deal
with a rebalance/re-replicate once its down?

If I have 2 copies of each shard and I drop one node, some of the shards
now only have 1 live copy and it has to be re-replicated. I'd prefer to not
drop down to 1 live copy for any period of time if I can avoid it.

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5

This worked perfectly. Thank you!

On Sat, Jan 11, 2014 at 9:47 AM, Itamar Syn-Hershko itamar@code972.comwrote:

You update the exclude setting to remove that IP, usually

--

Itamar Syn-Hershko
http://code972.com | @synhershko https://twitter.com/synhershko
Freelance Developer & Consultant
Author of RavenDB in Action http://manning.com/synhershko/

On Sat, Jan 11, 2014 at 7:46 PM, Nate Fox thefox@gmail.com wrote:

Thank you. Somehow my googling never brought up the existing topics on
that.
From the docs, I see I can do the following:

curl -XPUT localhost:9200/_cluster/settings -d '{
"transient" : {
"cluster.routing.allocation.exclude._ip" : "10.0.0.1"
}
}'

However, what do I do to 're-allow' the IP? Do I use the .include._ip or
do I set the .exclude._ip string to ""?

On Sat, Jan 11, 2014 at 9:39 AM, Itamar Syn-Hershko itamar@code972.comwrote:

The cluster.routing.allocation.exclude._ip config - see
ElasticSearch Shard Placement Control - Sematext

--

Itamar Syn-Hershko
http://code972.com | @synhershko https://twitter.com/synhershko
Freelance Developer & Consultant
Author of RavenDB in Action http://manning.com/synhershko/

On Sat, Jan 11, 2014 at 7:36 PM, Nate Fox thefox@gmail.com wrote:

Is there a way to tell a node to remove all of its data (spread it
back out among the other nodes) so that I can shut it down and not deal
with a rebalance/re-replicate once its down?

If I have 2 copies of each shard and I drop one node, some of the
shards now only have 1 live copy and it has to be re-replicated. I'd prefer
to not drop down to 1 live copy for any period of time if I can avoid it.

--
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