Get elasticsearch settings

eunever32 · March 4, 2014, 8:39pm

I have what I think is an obvious question. If I tweak some settings such
as:

index.translog.flush_threshold_period

or
index.merge.policy.use_compound_file

or
index.refresh_interval

or
indices.memory.index_buffer_size

or
index.cache.field.type

or
index.gateway.snapshot_interval

Is it possible to do say

GET /_settings?name=...

???

What I find in practice is that sometimes it gives a result. Such as:
GET /_all/_settings?name=index.refresh_interval

But mostly it's just blank if I do

GET /_all/_settings?name=bullybeef.n.chips

I get {} as if to suggest it's just not set yet. And it might be a valid
setting (instead of an error: no such setting: "bullybeef.n.chips")

Another setting I would like to confirm is

threadpool.bulk.queue_size

but how?

Thanks

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Binh_Ly_2 · March 4, 2014, 10:44pm

Unfortunately, there is no 1 place to get all settings. However, you can
usually get them as follows:

Cluster settings: curl "localhost:9200/_cluster/settings?pretty"
Index settings: curl "localhost:9200/foo/_settings?pretty"
Node settings: curl "localhost:9200/_nodes?pretty"

So for example, thread pool settings would be per node:

curl "localhost:9200/_nodes/thread_pool?pretty"

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eunever32 · March 6, 2014, 3:29pm

Thanks!

I still can't seem to find these settings.

Apologies in advance if I am just missing them...
indices.memory.index_buffer_size
indices.memory.min_shard_index_buffer_size
indices.memory.min_index_buffer_size

And when I run the _cluster/settings all I get is:
{
"persistent": {},
"transient": {}
}

?

Thanks

On Tuesday, March 4, 2014 10:44:57 PM UTC, Binh Ly wrote:

Unfortunately, there is no 1 place to get all settings. However, you can
usually get them as follows:

Cluster settings: curl "localhost:9200/_cluster/settings?pretty"

Index settings: curl "localhost:9200/foo/_settings?pretty"

Node settings: curl "localhost:9200/_nodes?pretty"

So for example, thread pool settings would be per node:

curl "localhost:9200/_nodes/thread_pool?pretty"

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Nathan_F · May 27, 2014, 6:35pm

Unfortunately I cannot help you but I am wondering how to do the same thing.

On Friday, March 7, 2014 12:29:18 AM UTC+9, eune...@gmail.com wrote:

Thanks!

I still can't seem to find these settings.

Apologies in advance if I am just missing them...
indices.memory.index_buffer_size
indices.memory.min_shard_index_buffer_size
indices.memory.min_index_buffer_size

And when I run the _cluster/settings all I get is:
{
"persistent": {},
"transient": {}
}

?

Thanks

On Tuesday, March 4, 2014 10:44:57 PM UTC, Binh Ly wrote:

Unfortunately, there is no 1 place to get all settings. However, you can
usually get them as follows:

Cluster settings: curl "localhost:9200/_cluster/settings?pretty"

Index settings: curl "localhost:9200/foo/_settings?pretty"

Node settings: curl "localhost:9200/_nodes?pretty"

So for example, thread pool settings would be per node:

curl "localhost:9200/_nodes/thread_pool?pretty"

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Nathan_F · May 27, 2014, 6:39pm

Looking through the docs, it doesn't seem like we can change the
index_buffer_size through the cluster update api.

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