Which ES cluster would give better performance? 1 shard 2 replicas or normal 2 shards

Elastic Stack Elasticsearch
1

Which cluster would give better read performance on two separate servers?

ES cluster Foo
[] serverA - 1 primary shard
[] serverB - 2 replica Shards

ES cluster Bar
[] serverA - 1 primary shard and 1 replica shard
[] serverB - 1 primary shard and 1 replica shard

--
You received this message because you are subscribed to the Google Groups "elasticsearch" group.
To unsubscribe from this group and stop receiving emails from it, send an email to elasticsearch+unsubscribe@googlegroups.com.
To view this discussion on the web visit https://groups.google.com/d/msgid/elasticsearch/f76d093b-15a6-4896-909f-517a3acd379a%40googlegroups.com.
For more options, visit https://groups.google.com/d/optout.

2

You won't ever be able to store two of the same replicas shards on the same
server, so your first example won't work.

On 22 January 2015 at 05:17, Darin Hensley darin.hensley@gmail.com wrote:

Which cluster would give better read performance on two separate servers?

ES cluster Foo
serverA - 1 primary shard
serverB - 2 replica Shards

ES cluster Bar
serverA - 1 primary shard and 1 replica shard
serverB - 1 primary shard and 1 replica shard

--
You received this message because you are subscribed to the Google Groups
"elasticsearch" group.
To unsubscribe from this group and stop receiving emails from it, send an
email to elasticsearch+unsubscribe@googlegroups.com.
To view this discussion on the web visit
https://groups.google.com/d/msgid/elasticsearch/f76d093b-15a6-4896-909f-517a3acd379a%40googlegroups.com
https://groups.google.com/d/msgid/elasticsearch/f76d093b-15a6-4896-909f-517a3acd379a%40googlegroups.com?utm_medium=email&utm_source=footer
.
For more options, visit https://groups.google.com/d/optout.

--
You received this message because you are subscribed to the Google Groups "elasticsearch" group.
To unsubscribe from this group and stop receiving emails from it, send an email to elasticsearch+unsubscribe@googlegroups.com.
To view this discussion on the web visit https://groups.google.com/d/msgid/elasticsearch/CAEYi1X9_fNS-xmE%3DAr1tFXX-ewu1VobAgh%2BnMcS_2VxZavATKw%40mail.gmail.com.
For more options, visit https://groups.google.com/d/optout.

3

On Elasticsearch Platform — Find real-time answers at scale | Elastic
in "Figure 52. Adjust the number of replicas to balance the load between
nodes" they show Node 3 which contains only 2 replica shards. They state in
it "The fact that node 3 holds two replicas and no primaries is not
important."

On Wednesday, January 21, 2015 at 10:17:38 AM UTC-6, Darin Hensley wrote:

Which cluster would give better read performance on two separate servers?

ES cluster Foo
serverA - 1 primary shard
serverB - 2 replica Shards

ES cluster Bar
serverA - 1 primary shard and 1 replica shard
serverB - 1 primary shard and 1 replica shard

--
You received this message because you are subscribed to the Google Groups "elasticsearch" group.
To unsubscribe from this group and stop receiving emails from it, send an email to elasticsearch+unsubscribe@googlegroups.com.
To view this discussion on the web visit https://groups.google.com/d/msgid/elasticsearch/24dddc28-5aaa-4621-9181-c65d55660a8c%40googlegroups.com.
For more options, visit https://groups.google.com/d/optout.

4

Oh, I see what you mean...sorry about that. Thanks!

On Wednesday, January 21, 2015 at 10:17:38 AM UTC-6, Darin Hensley wrote:

Which cluster would give better read performance on two separate servers?

ES cluster Foo
serverA - 1 primary shard
serverB - 2 replica Shards

ES cluster Bar
serverA - 1 primary shard and 1 replica shard
serverB - 1 primary shard and 1 replica shard

--
You received this message because you are subscribed to the Google Groups "elasticsearch" group.
To unsubscribe from this group and stop receiving emails from it, send an email to elasticsearch+unsubscribe@googlegroups.com.
To view this discussion on the web visit https://groups.google.com/d/msgid/elasticsearch/6c59527a-51c8-4174-939f-dd142512fab3%40googlegroups.com.
For more options, visit https://groups.google.com/d/optout.