elasticsearch Archives

elasticsearch, Programming

IT Nursery

ElasticSearch: Unassigned Shards, how to fix?

I have an ES cluster with 4 nodes: number_of_replicas: 1 search01 - master: false, data: false search02 - master: true, data: true search03 ...

June 3, 2022
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elasticsearch, Programming

IT Nursery

Delete all documents from index/type without deleting type

I know one can delete all documents from a certain type via deleteByQuery. Example: curl -XDELETE 'http://localhost:9200/twitter/tweet/_query' -d '{ "query" : { "term" ...

June 2, 2022
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mongodb, Programming

IT Nursery

elasticsearch v.s. MongoDB for filtering application [closed]

Closed. This question is opinion-based. It is not currently accepting answers. Want to improve this question? Update the question so it can be ...

May 31, 2022
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elasticsearch, Programming

IT Nursery

Show all Elasticsearch aggregation results/buckets and not just 10

I’m trying to list all buckets on an aggregation, but it seems to be showing only the first 10. My search: curl -XPOST ...

May 28, 2022
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Programming, search

IT Nursery

Beginner’s guide to ElasticSearch [closed]

As it currently stands, this question is not a good fit for our Q&A format. We expect answers to be supported by facts, ...

May 27, 2022
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Queries vs. Filters

I can’t see any description of when I should use a query or a filter or some combination of the two. What is ...

May 25, 2022
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Elasticsearch difference between MUST and SHOULD bool query

What is the difference between MUST and SHOULD bool query in ES? If I ONLY want results that contain my terms should I ...

May 23, 2022
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elasticsearch bool query combine must with OR

I am currently trying to migrate a solr-based application to elasticsearch. I have this lucene query (( name:(+foo +bar) OR info:(+foo +bar) )) ...

May 21, 2022
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Making a request to a RESTful API using python

I have a RESTful API that I have exposed using an implementation of Elasticsearch on an EC2 instance to index a corpus of ...

May 20, 2022
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Elasticsearch error: cluster_block_exception [FORBIDDEN/12/index read-only / allow delete (api)], flood stage disk watermark exceeded

When trying to post documents to Elasticsearch as normal I’m getting this error: cluster_block_exception [FORBIDDEN/12/index read-only / allow delete (api)]; I also see ...

May 19, 2022
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