I would like to list all indexes present on an ElasticSearch server. I tried this: curl -XGET localhost:9200/ but it just gives me this: { “ok” : true, “status” : 200, “name” : “El Aguila”, “version” : { “number” : “0.19.3”, “snapshot_build” : false }, “tagline” : “You Know, for Search” } I want a … Read more
I am trying to understand what shard and replica is in Elasticsearch, but I didn’t manage to understand it. If I download Elasticsearch and run the script, then from what I know I have started a cluster with a single node. Now this node (my PC) have 5 shards (?) and some replicas (?). What … Read more
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I’m new to ElasticSearch. I’m trying to figure out how to remove data from ElasticSearch. I have deleted my indexes. However, that doesn’t seem to actually remove the data itself. The other stuff I’ve seen points to the Delete by Query feature. However, I’m not even sure what to query on. I know my indexes. … Read more
I’m using elasticsearch to index my documents. Is it possible to instruct it to only return particular fields instead of the entire json document it has stored? 13 s 13 Yep, Use a better option source filter. If you’re searching with JSON it’ll look something like this: { “_source”: [“user”, “message”, …], “query”: …, “size”: … Read more
I have a small database in Elasticsearch and for testing purposes would like to pull all records back. I am attempting to use a URL of the form… http://localhost:9200/foo/_search?pretty=true&q={‘matchAll’:{”}} Can someone give me the URL you would use to accomplish this, please? 30 s 30 I think lucene syntax is supported so: http://localhost:9200/foo/_search?pretty=true&q=*:* size defaults … Read more
Closed. This question is opinion-based. It is not currently accepting answers. Want to improve this question? Update the question so it can be answered with facts and citations by editing this post. Closed 3 years ago. Improve this question What are the core architectural differences between these technologies? Also, what use cases are generally more … Read more
