Recent questions tagged ElasticSearch

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elasticsearch - How should I use sql_last_value in logstash?

I'm quite unclear of what sql_last_value does when I give my statement as such: statement => "SELECT * from ... Any help could be appreciated. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.0k views

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elasticsearch - How should I use sql_last_value in logstash?

I'm quite unclear of what sql_last_value does when I give my statement as such: statement => "SELECT * from ... Any help could be appreciated. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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812 views

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elasticsearch - Flatten nested JSON using jq

I'd like to flatten a nested json object, e.g. {"a":{"b":1}} to {"a.b":1} in order to digest it ... 12/indexing-custom-json-data/ I'll try soon. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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elasticsearch - SearchPhaseExecutionException[Failed to execute phase [query], all shards failed]

Recently our server was rebooted without correctly shutting down the Elastic Search / Kibana. After that reboot, ... unassigned_shards" : 310 } See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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657 views

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elasticsearch - Disabling field analyzing by default in elastic search

Is it possible to enable indexing of elastic search fields selectively for a type? Through the mapping settings ... . Is this possible? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.1k views

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elasticsearch - All shards failed

I was working on elastic search and it was working perfectly. Today I just restarted my remote server (Ubuntu). Now ... me what's the issue. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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727 views

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elasticsearch - Using a search template in an ingest pipeline

Can an ElasticSearch ingest pipeline use a search template as its script? Specifically, I'd like to configure ... potentially combining the two. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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748 views

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elasticsearch - Extract keywords (multi word) from text using elastic search

I have an index full of keywords and based on those keywords I want to extract the keywords from the ... search should be case insensetive See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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696 views

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elasticsearch group-by multiple fields

I am Looking for the best way to group data in elasticsearch. Elasticsearch doesn't support something like 'group by ... than 2 in one article. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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775 views

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elasticsearch - NEST: How to query against multiple indices and handle different subclasses (document types)?

I'm playing around with ElasticSearch in combination with NEST in my C# project. My use case includes several indices with ... } } } } } TIA See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.0k views

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elasticsearch - Elastic Search Sum aggregation with group by and where condition

I am newbie in ElasticSearch. We are currently moving our code from relational DB to ElasticSearch. So we ... ElasticSearch query for above? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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574 views

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elasticsearch - Does it matter if the filter is inside or outside a filtered query?

While these two are giving me the same result, what is the difference between having the filter inside or outside? Is ... "folder": "inbox" } } See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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675 views

1 answer

elasticsearch - High disk watermark exceeded even when there is not much data in my index

I'm using elasticsearch on my local machine. The data directory is only 37MB in size but when I check logs, I ... be going wrong. Any help? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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714 views

1 answer

elasticsearch - JSON Bulk import to Elasticstearch

Elasticsearch Bulk import. I need to import the Products as individual items. I have a json file that looks similar to ... What do I need to do? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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874 views

1 answer

elasticsearch - Elastic Kibana - install as windows service

How can I install Elastic Kibana (which is just a batch file) as a windows service? It probably needs to ... running it on the same server) See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

574 views

1 answer

elasticsearch - Querystring search on array elements in Elastic Search

I'm trying to learn elasticsearch with a simple example application, that lists quotations associated with people. The ... see Andrei's answer. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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700 views

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elasticsearch - Kibana - How to display log as table

I'm testing Kibana 4 for a project. I have created an index from my database table which is composed by 3 fields: ... a way to do this? Regards, See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.2k views

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elasticsearch - Filter items which array contains any of given values

I have a set of documents like { tags:['a','b','c'] // ... a bunch properties } As stated in the ... should I build multiple "OR"s manually ? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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649 views

1 answer

elasticsearch - Refresh vs flush

If a new document is indexed to Elasticsearch index then it is available for searching something like 1 second ... tackle this problem deeply. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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717 views

1 answer

elasticsearch - Elastic Search sort preprocessing

I have an index in ES that has, in addition to other fields, revenue_amount and revenue_currency fields. The revenue ... avoid it, if possible. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.1k views

1 answer

elasticsearch - Word boundary in Lucene regex

I'd like to a make a regex query in Elastisearch with word boundaries, however it looks like the Lucene regex ... . What workarounds can I use? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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566 views

1 answer

elasticsearch - How to avoid cross object search behavior with nested types in elastic search

I am trying to determine the best way to index a document in elastic search. I have a document, Doc, which has ... , I would love to hear it. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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607 views

1 answer

elasticsearch - Set vm.max_map_count on cluster nodes

I try to install ElasticSearch (latest) on a cluster nodes on Google Container Engine but ElasticSearch needs the ... the gci node image. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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614 views

1 answer

elasticsearch - How to take a heap dump in windows with minimum downtime?

I want to figure out why JVM heap usage on Elasticsearch node is staying consistently above 80%. In order to ... dumps in seconds, not minutes? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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699 views

1 answer

elasticsearch - Elastic Search - Scroll behavior

I come across at least two possible ways to fetch the results in batches . Scroll API Pagination - From , ... be returned in different batches? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

897 views

1 answer

elasticsearch - What is the difference between a term query and a match one?

I have documents with string fields which are not analyzed (enforced by a mapping or set globally). I am trying ... to use term vs match? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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718 views

1 answer

elasticsearch - How to suggest (autocomplete) next word in elastic search?

Lets say I have following strings indexed: "My awesome pizza" "My awesome beer" "Heineken is awesome beer" "I love ... it will not suggest it,) See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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886 views

1 answer

elasticsearch - How to show day names,using date-histogram aggregation in elascticsearch

I have been trying to use date histogram aggregation in elasticsearch and it returns the date as epoch or in yy-mm- ... in which I can do that? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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