Elasticsearch update synonyms You can close the index, update the synonyms list and open the index. Other notebooks Generative AI. These plugins can be pre-packaged, custom, or third-party, which gives you flexibility to extend your domain’s functionality. Synonyms - to produce better search results, you can also define lists of synonyms for Elasticsearch. These updates are infrequent: in the order of months and in some cases, it could be years. When you will updating synonyms file, it's unnecessary to update a configure file of search server, because the location of symbolic link to recent synonyms file is permanent. No more messing with… I use Elastic. ElasticSearch synonym (Dynamic-Synonym plugin) remote hot word update Article catalog ElasticSearch synonym (Dynamic-synonym) remote hot word update Zero, version description First, synonym local file reading mode (free without plugin) 1, add synonym file 2, create an i If you're looking for a new, more streamlined way to update Elasticsearch synonyms, you're in luck — Lynn Kwong 's new tutorial shows how to make the most of the Synonyms API. The synonyms defined inline in the settings of an index cannot be updated directly, and we need to close the index, update the settings, and re-open the index to make the changes Synonyms relate queries together that contextually have the same meaning in your dataset. As i've seen in Synonyms, i could create a filter when creating the index with the following structure: "sinonimos": Configuring Synonyms is a useful way to guide your users to the right content. index. 1 on elasticsearch同义词热更新插件，支持本地文件更新，http远程文件更新，修复若干bug。 - hailin0/elasticsearch-analysis-dynamic-synonym Dec 8, 2018 · Elasticsearch version Version: 6. Synonyms sets are limited to a maximum of 10,000 synonym rules per set. The update API allows updates of a specific document using the given script. So how can I make that work as well, together with elastic. May 7, 2024 · Elasticsearch 8. You need to find the right item from a catalog of products, or the correct […] Jul 12, 2024 · In this blog post, I demo the synonym API from Elasticsearch, explain its limitations, and show you how cool it is now. For example: The dynamic synonym plugin adds a synonym token filter that reloads the synonym file (local file or remote file) at given intervals (default 60s). (Required, string) The synonym rule definition. Can I do this update without modifying the synonyms list? I am fine with either programmatic solutions, or solutions which would require elasticsearch to source the list Create or update a synonym rule Generally available; Added in 8. Apr 9, 2022 · Working with Synonyms — ElasticSearch Hello everyone. Enhance autocomplete and relevance tuning for a smooth customer experience. Synonyms are what they sound like -- words that have the same or nearly the same meanings. synonyms. For phrase queries to function correctly, Elasticsearch needs to know the position that each term occupies in the original text. After that, I updated the synonyms. How to update the synonym sets 3. To be eligible, the token filter must have an updateable flag of true and only be used in search analyzers. When I first created the index, the synonyms were picked up on search. When you want to use neologd-solr-elasticsearch-synonyms, you should set the path of synonyms file as a value of synonyms_path property of Elasticsearch/Solr. When a synonyms set is updated, search analyzers that use it need to be refreshed using the reload search analyzers API This manual syncing and reloading makes this approach less flexible than using the synonyms API. Jun 10, 2016 · We need to develop possibility of dynamic synonyms update without node restart or index close/open. Apr 20, 2025 · ElasticSearch同义词管理完全指南 ——从静态配置到动态API的智能升级 一、为什么需要同义词管理？ 同义词管理能解决搜索场景中的三大核心问题： 1. Aug 27, 2020 · Is there any API in es for updating synonyms files or any plan to provide such API interface? API caller only provide synonyms content list, API could update synonyms file on each ES cluster nodes and return update result for the caller. All analyzers using this synonyms set will be reloaded automatically to reflect the new rule. Jul 23, 2023 · Configuring Synonyms in Elasticsearch There are two primary ways to configure synonyms in Elasticsearch: using a synonym file or defining them inline within the analyzer configuration. com implement Elasticsearch for search capabilities. ipynb notebook, you’ll learn how to: Use the synonyms management API to create a synonyms set to enhance your search recall. People usually think that a synonym is just a pair of words equal to each other, but is that all there is? The new synonyms API allows you to create and update synonyms quickly and easily, and the synonym_graph filter lets you handle multi word synonyms Sep 30, 2024 · How to store the synonym sets in Elasticsearch? How to update the synonym sets? Pros and Cons of the methods for storing synonyms. When an existing synonyms elasticsearch hot dictionary update by python. txt file and no server restart Elasticsearch 4 1344 July 6, 2017 Change synonyms file Elasticsearch 1 Spring Data ElasticSearch Add synonym component to implement synonymous words hot update, Programmer Sought, the best programmer technical posts sharing site. These synonyms can be used for Elasticsearch Synonym Token Filter configuration. Configure an index to use search-time synonyms. Finally, you flip the alias from old to new Jul 18, 2013 · Hi, Is it possible to update synonym. May 9, 2024 · Hello Team, I'm using AppSearch 8. Create or update a synonym rule. Aug 22, 2025 · 文章浏览阅读9. co? system (system) Closed December Jul 26, 2011 · 3 3032 July 6, 2017 Can we insert synonyms dynamically to index through the java Application without closing or reindexing the index if we follow stopwords inline approch (Not the file approch) Elasticsearch 2 565 July 5, 2017 Update synonym. For example: Discover how LLMs can be used to identify and generate synonyms automatically, allowing terms to be programmatically loaded into the Elasticsearch synonym API. 10 版本迎来新的更新。 4、Elasticsearch 同义词最新方案——同义词API 我们讨论了同义词以及它们在提供优质搜索体验中的重要性。 使用同义词能： 找到使用与搜索查询相似词语的文档； 使特定领域的词汇更加用户友好，让用户用他们熟悉的词找到 Boost search accuracy and speed with Magento 2 Elasticsearch module. Required authorization Cluster privileges: manage_search_synonymsThe total number of synonyms rules that the synonyms set contains. 10 版本迎来新的更新。 4、Elasticsearch 同义词最新方案——同义词API 我们讨论了同义词以及它们在提供优质搜索体验中的重要性。 使用同义词能： 找到使用与搜索查询相似词语的文档； 使特定领域的词汇更加用户友好，让用户用他们熟悉的词找到 The article titled "Use the Synonyms APIs to Update Synonyms Conveniently in Elasticsearch" introduces a new method for managing synonyms in Elasticsearch using the Synonyms APIs. com is the number one online retailer in The Netherlands. You can use synonyms by using one of the following methods: use a synonym dictionary file and reference synonyms. In the above example, the synonyms token filter is placed after a stemmer. 2 and recently we did a synonyms update which caused the cluster state to turn red for two indexes out of four. Oct 21, 2016 · Hi All, I was wondering, If I update the synonyms files, do I need to reload the data into ES? Because I have tried to only restart ES after updating synonyms files, but it does not work. co as host - and followed the guide by uploading a plugin with my synonym text file - but once I update it, it is not reflected - So I still need to restart the node for it to update - which restricts the use of _reload_search_analyzers, since it does not update/reload with the updates. txt file with new entries, which I can do by using the Extensions API. In this short post, we will run through a demo implementing synonyms for forenames in Elasticsearch, for example, matching Oct 14, 2019 · We have a 4 node cluster using elasticsearch-6. Now you can use the synonyms API to update synonyms in a single request! Jul 6, 2021 · September 8, 2021: Amazon Elasticsearch Service has been renamed to Amazon OpenSearch Service. Now you can use the synonyms API to update synonyms in a single request! Dec 3, 2017 · Elasticsearch — Setting up a synonyms search Hey folks! Throughout this post, we will see how to configure a basic synonyms search using Elasticsearch (: Regardless the expertise with … For the most up-to-date API details, refer to Synonyms APIs. 685723Z, JVM: 1. Now you can use the synonyms API to update synonyms in a single request! Sep 14, 2023 · Previously, updating synonyms required the use of synonym files that needed to be updated on every node in your Elasticsearch clusters. 0_161 Plugins installed: Opennlp JVM version java version "1. What is the best way to do this currently in es ? Currently I'm thinking a process like: analyze query and get tokens from es without searching check tokens with other db for synonyms rebuild query to es with synonyms for the current tokens included Dynamic update synonym plug-in adaptation Synonym configuration for non-hot update The elasticsearch-analysis-dynamic-synonym plugin can dynamically update synonyms, but there is only version 5. txt contains the below entry wfu, sso, united search Now i indexed a field { "name":"sso" } when i search as "united search" OR "united" OR "search" it gives sso as the result , below is a sam… May 4, 2020 · Elasticsearch has some built-in stop word lists, and we'll show the use of one below. Apr 3, 2014 · Hi, I have synonyms defined for certain codes that could be updated through my system. 2k次，点赞9次，收藏33次。本文介绍如何在Elasticsearch中使用同义词插件实现远程热词更新，包括本地文件读取、远程词库调用及重写插件源码连接数据库更新词库的方法。 Jul 28, 2021 · Now I want to update my synonyms. Nov 24, 2023 · Hello all! Elasticsearch is indeed a powerful and popular open-source search and analytics engine that has gained significant popularity in recent years. Synonyms set files must be kept in sync on every cluster node. 12 and I want to know all about AppSearch synonyms. Synonym File A synonym file is a plain text file containing a list of synonyms, with each line representing a group of synonymous terms separated by commas. How to store the synonym sets in Elasticsearch 2. The author provides a step-by-step guide on how to use the Use the Synonyms APIs to Update Synonyms Conveniently in Elasticsearch: Learn a new way to update Elasticsearch synonyms without re-indexing or reloading Continue reading on Towards Data Science Aug 22, 2025 · 文章浏览阅读9. The script can update, delete, or skip modifying the document. Jan 28, 2024 · How to implement synonyms into Elasticsearch with the synonym token filter The synonym token filter will take each token created in the tokenization process mentioned above, and check to see if it matches any of the terms that you define in the synonyms list. Update the index settings with the new synonym list. I am planning to use the synonym token filter. Now you can use the synonyms API to update synonyms in a single request! Hi, In order to use synonyms in Elasticsearch, we can use a . It turns out that you can tell ElasticSearch programmatically that the synonyms have changed. Jun 27, 2016 · With around 6. A common issue when using the synonyms feature is to Sep 6, 2019 · Yes you can get template and update it with synonyms via API. 5. txt file with a list of our synonyms and add the path to this file in our index definition. In this post, we will introduce the essentials to implementing the synonyms feature in practice with simple code snippets. txt files on the nodes once to update a synonym mapping and restarted each node after making a change. It is most useful when you know the precise terms that they are searching for. They help match different words or phrases people use to describe the same thing. It explains the common issues with updating synonyms using inline settings or synonyms files, especially in distributed or cloud-hosted environments. 0 View as markdown Sep 14, 2023 · Previously, updating synonyms required the use of synonym files that needed to be updated on every node in your Elasticsearch clusters. You can only delete a synonyms set that is not in use by any index analyzer. The queries can be Jan 28, 2024 · This article will discuss best practices for implementing token synonyms in Elasticsearch and provide a step-by-step guide on how to set up a custom analyzer with synonym support. 8. Is that expected behaviour? If so what is ur strategy to get this done on a productive system? Thx & regards Tom -- You received this message because you are Nov 1, 2025 · Alibaba Cloud Elasticsearch allows you to update a synonym dictionary file that is uploaded. Best Practices for Token Synonyms in Elasticsearch 1. If you want to learn about token filters in Elasticsearch, check out this guide. In the following example, we will index a document that also tracks how many times a character has said the given quote, and then we will update the times field. Now you can use the synonyms API to update synonyms in a single request! You will get to know: 1. elasticsearch. synonyms from an Elasticsearch client. This topic describes how to use Synonyms sets are limited to a maximum of 10,000 synonym rules per set. The synonyms feature of Elasticsearch is very powerful and can significantly enhance your search engine's efficiency when properly used. Elasticsearch will also use the token filters preceding the synonym filter in a tokenizer chain to parse the entries in a synonym file or synonym set. - bells/elasticsearch-analysis-dynamic-synonym Synonyms score the same as an exact match. Dec 11, 2013 · My synonym. Oct 9, 2018 · 0 So I have an index with the synonym mapping defined in the search analyzer. Create as m Jan 7, 2023 · The synonyms feature in Elasticsearch is very powerful and can make your search engine more robust and powerful if implemented correctly. 表达差异：用户可能使用"土豆"或"马铃薯 This repository contains a curated dataset of synonyms in Solr Format. See details. Contribute to Alwin4Zhang/es_hotdic development by creating an account on GitHub. Run queries that are enhanced by synonyms. Pros and Cons of different methods for storing synonyms 4. Required authorization Cluster privileges: manage_search_synonyms You can use the reload search analyzers API to pick up changes to synonym files used in the synonym_graph or synonym token filter of a search analyzer. One way that takes care of update without downtime and re-process existing data may be to create a new index with new mapping that includes your inline synonyms. NOTE: This API does not perform a reload for each shard of an index. This API simplifies your workflow in updating synonyms and provides better integration with your processes and tools. Creates or updates a synonyms set. To update an existing synonyms set, upload new files to your cluster. Update synonyms in real time. First, let’s set up our code Imported the Elasticsearch class The synonyms management API provides a convenient way to define and manage synonyms in an internal system index. See below as an example: PUT /test_index { "settings": { "i… Sep 14, 2023 · Previously, updating synonyms required the use of synonym files that needed to be updated on every node in your Elasticsearch clusters. Create or update a synonym rule in a synonym set. That is, it is not necessary to update the synonym file. Synonyms class elasticsearch. If so, it will map the synonyms to those tokens. It is not enough to update the index data, in need to remove, create and update whole index. Mar 22, 2022 · Synonym — a word that means exactly or nearly the same as another word. A common issue when using the synonyms feature is to update the synonyms set. Sometimes users will use different terminology than your context might expect. Synonyms have been a core Elasticsearch functionality since forever and you can wield them to your advantage to get great search results. If you need to manage more synonym rules, you can create multiple synonyms sets. There is no automatic preference for exact matches. 2 million active customers, Bol. If you want to understand how a score is Nov 10, 2015 · I am writing a code to create elasticsearch indexes with the constraint that everything must be done through the elasticsearch REST APIs. However, this can be challenging if certain exact words aren’t entered. Sep 14, 2023 · Previously, updating synonyms required the use of synonym files that needed to be updated on every node in your Elasticsearch clusters. For example Hi, Good questions, in general, if you use synonyms in your analysis chain at index time this means Elasticsearch is writing whatever tokens the synonym filter adds/changes to the index, so in order to change that you will need to reindex. A synonym set contains two or more queries that have similar meaning. Elasticsearch synonym update, different clusters return update nodes are different, Programmer Sought, the best programmer technical posts sharing site. mapper. Apr 26, 2023 · When I search for an Explaination It shows that failed to update mapping for index, failure org. 4 days ago · Dynamic synonyms solve this by allowing real-time updates without interrupting search services. SynonymsClient(client: BaseClient) delete_synonym(*, id: str, error_trace: bool | None = None, filter_path: str | Sequence[str] | None = None, human: bool | None = None, pretty: bool | None = None) → ObjectApiResponse[Any] Delete a synonym set. So I have questions, can help me? : Appsearch can have synonyms API for one direction as Elasticsearch done, example : "car => truck" ? I added synonyms "bye => goodbye" to Elasticsearch, so Appsearch will automatically be affected this synonyms or not relevant? Set up Elasticsearch Install Elasticsearch from archive on Linux or MacOS Cluster-level shard allocation and routing settings Add remote clusters using TLS certificate authentication Upgrade Elasticsearch Index modules Mapping Text analysis Index templates Data streams Tutorial: Migrate ILM managed data stream to data stream lifecycle Ingest Sep 20, 2023 · Elasticsearch：如何在 Elasticsearch 中正确使用同义词功能 Elasticsearch：使用同义词 synonyms 来提高搜索效率 synonym_path 定义存储同义词文件的文件路径（相对于 Elasticsearch 配置文件 ）。 同义词文件包含同义词规则，必须分发到集群中的所有 Elasticsearch 节点。 Apr 9, 2022 · Today we are going to talk again about synonyms but now we are going to use a dictionary to make the usage more sophisticated. Some examples are: Jan 7, 2023 · We will introduce how to add synonyms in Elasticsearch and how to update synonyms for existing indexes which is a relatively advanced topic. Use the Synonyms APIs to Update Synonyms Conveniently in Elasticsearch Learn a new way to update Elasticsearch synonyms without re-indexing or reloadingContinue reading on Towards Data Science Elasticsearch release notes Review the changes, fixes, and more in each version of Elasticsearch. 1 when i use the synonyms filter with a synonyms_path file i have to create whole index again to take new synonyms in effect. This can lead them to poor search relevance: you are selling movies, but they want films! The Synonym feature builds synonym sets. Aug 27, 2019 · can these synonyms be added at runtime (without having to close the index) ? @RaghunandanJ In order to update synonyms, you need to update the index analyzer settings and closing/reopening the index is for that operation to work. If you need to manage more synonym rules, you can create multiple synonym sets. This is followed by using _reindex API to bring data from old index to new. SynonymsClient To use this client, access client. txt and don't restart the server? -- You received this message because you are subscribed to the Google Groups "elasticsearch" group. While stemming helps to broaden the scope of search by simplifying inflected words to their root form, synonyms broaden the scope by relating concepts and ideas. Synonyms sets can be used Synonyms sets are limited to a maximum of 10,000 synonym rules per set. Amazon OpenSearch Service lets you upload custom dictionary files, such as stop words and synonyms, and associate plugins with your domain. To check for security updates, go to Security announcements for the Elastic stack. For example: Jan 12, 2025 · Synonyms are an important feature in Elasticsearch that make searches more accurate and user-friendly. A common feature of search engines is the ability to search using synonyms. 2k次，点赞9次，收藏33次。本文介绍如何在Elasticsearch中使用同义词插件实现远程热词更新，包括本地文件读取、远程词库调用及重写插件源码连接数据库更新词库的方法。 Jan 28, 2024 · How to implement synonyms into Elasticsearch with the synonym token filter The synonym token filter will take each token created in the tokenization process mentioned above, and check to see if it matches any of the terms that you define in the synonyms list. MapperParsingException: Failed to parse mapping: analyzer [jobtitle_synonym_analyzer] contains filters [jobtitle_synonym_filter] that are not allowed to run in index time mode How can I solve this, I need to restore that 🔥 Exciting news for Elasticsearch users! The latest update introduces a convenient way to update synonyms without re-indexing or reloading. This topic describes how to use Nov 22, 2019 · Recommendations for zero downtime synonyms update ? (section 4) In 2017 our team faced some challenges in updating Elasticsearch (ES) text-search functionalities for an on-premise cluster . Upgrade procedures depend on whether you installed Elastic components using Elastic-managed or self-managed infrastructure. search_analyzer Serverless Stack Usually, the same analyzer should be applied at index time and at search time, to ensure that the terms in the query are in the same format as the terms in the inverted index. but agiain opening and closing of index is required here you can use file based synonyms to avoid re-indexing. We're looking for a way to programatically tell an AWL elasticsearch domain to update the version of an associated custom synonyms file. MapperParsingException: Failed to parse mapping: analyzer [jobtitle_synonym_analyzer] contains filters [jobtitle_synonym_filter] that are not allowed to run in index time mode How can I solve this, I need to restore that Synonyms Dictionaries in Elasticsearch | Qbox HES Learn about synonym dictionaries in Elasticsearch. If you're using Elasticssearch with Django, you might find dj put_synonym_rule(*, set_id, rule_id, synonyms=None, error_trace=None, filter_path=None, human=None, pretty=None, body=None) Creates or updates a synonym rule in a synonym set how to configure the synonyms_path in elasticsearch Asked 11 years, 10 months ago Modified 8 years, 6 months ago Viewed 16k times So far, synonyms appear to be quite straightforward. Search engines provide the means to retrieve relevant content from a collection of content. Mar 22, 2025 · Learn a new way to update Elasticsearch synonyms without re-indexing or reloading Sep 14, 2023 · A new synonyms API has been introduced in Elasticsearch® to help manage synonyms and update them seamlessly. Jan 13, 2023 · 对于 synonyms_path，它是同义词文件相对于 Elasticsearch 服务器中 config 文件夹的路径。 添加了一个新的 updateable 字段，它指定相应的过滤器是否可更新。 Jan 27, 2021 · When you update synonyms, you need to make sure existing data in your indexes is re-processed as per new synonyms. Synonyms class elasticsearch_serverless. 10. Additional helper tools in this repository: synlint: Commandline tool to lint and validate the synonym files. Multiword synonyms can play havoc with term positions, especially when the injected synonyms are of differing lengths. 2. In this guide, we’ll explore three robust approaches to manage dynamic synonyms: storing them directly in an Elasticsearch index, using CouchDB as a centralized store, and building a custom REST API. Defining synonyms at the index level allows them to be applied to all queries against that index, while defining synonyms at the query level allows for more targeted synonym expansion for specific queries. Dec 8, 2024 · Unlike static or inline synonyms, the Synonyms API allows you to dynamically update and manage synonym sets without downtime, making it the most efficient choice for modern applications. It is widely used for various use cases Synonyms API quick start In the 06-synonyms-api. Once I've uploaded the new file correctly, I need all the nodes to pick up the new configuration and this is where I'm getting in trouble. The generic term for all these types of files is packages. Say goodbye to the hassle of closing and reopening Synonyms Dictionaries in Elasticsearch | Qbox HES Learn about synonym dictionaries in Elasticsearch. We start by creating custom packages for synonyms and stopwords and creating a custom analyzer for a sample index that uses the standard tokenizer and a synonym token filter, followed by a demonstration of hot reload of dictionary files. Here's the basic steps that are necessary: Close the index. So we decided to implement our own synonym functionality, basic idea is to have our own storage for synonyms and each time we process request, check query string for synonyms stored in our synonym storage. If you need to manage more synonym rules, you can create multiple synonym sets. sublime-syntax: Syntax highlighting file for Sublime Text 3. To use this client, access client. I’m starting to create posts about all my experience with ElasticSearch. Unfortunately, this is where things start to go wrong. Is there a way to update synonyms via the elasticsearch REST API? Oct 22, 2024 · We'd like to understand the tradeoffs for updating auto expand replicas to 0-1 to align the synonyms system index with other system indices in Elasticsearch, and the next steps in terms of implementation (the need to create a new index version vs updating directly). When an existing synonyms Synonyms sets are limited to a maximum of 10,000 synonym rules per set. This needs to be in Solr format. Previously, updating synonyms required the use of synonym files that needed to be updated on every node in your Elasticsearch clusters. Related synonyms can be grouped in a "synonyms set". If you are looking to provide even more precise and curated results, venture to the Curations end-point. When an existing synonyms May 16, 2014 · Hi, ES 1. If it is so, do you have any more efficient solution, since reloading data is quite frustrated. In the UK people use the word bag Aug 2, 2021 · The update_package method just updates the package version, it doesn't tell the associated domains to use the new version. . Luminis Amsterdam is helping Bol. Aug 20, 2019 · How to use synonyms and synonym filters in Elasticsearch. The length of a field is an important factor that determines the score: shorter fields score higher than longer fields. Carlos Delgado Estremera and Mayya Sharipova did some great work on making synonyms easier to update and maintain in Elasticsearch 8. Sometimes, though, it can make sense to use a different analyzer at search time, such as when using the edge_ngram tokenizer for autocomplete or when using search-time synonyms. If the Elasticsearch security features are enabled, you must have the index or write index privilege for the target index or index alias. 0_161" Java (TM) SE Runtime Environment (build Jul 14, 2022 · In this post, we show how we can add custom packages for synonyms and stopwords to an OpenSearch Service domain. After you upload the updated synonym dictionary file, you can apply the file to Alibaba Cloud Elasticsearch clusters and use the new dictionary for searches. People usually think that a synonym is just a pair of words equal to each other, but is that all there is? The new synonyms API allows you to create and update synonyms quickly and easily, and the synonym_graph filter lets you handle multi word synonyms Nov 25, 2023 · The synonyms feature of Elasticsearch is very powerful and can significantly enhance your search engine’s efficiency when properly used. You may think that the subject is repetitive but I will try to go … Nov 25, 2023 · The synonyms feature of Elasticsearch is very powerful and can significantly enhance your search engine’s efficiency when properly used. 2, Build: 10b1edd/2018-02-16T19:01:30. Get a synonym rule from a synonym set. For that, you should explore the Analytics and Clickthrough end-points, so that you are aware of your insightful capabilities. Update a document by running a script or passing a partial document. client. Can we just pass the updated filter like in Elastic? My Sep 19, 2016 · I'm doing synonyms but for different reasons (many users in 1 index each with different synonyms) I need to handle synonyms only at query time. Oct 14, 2019 · We have a 4 node cluster using elasticsearch-6. By Oct 27, 2022 · I want to update filter in my analyzer, so saw this UpdateSettingsRequestBuilder but there we need to pass the whole updated settings string. What you're seeing is that the documents with a shorter field (6 terms) score higher than the document with a longer field (18 terms). 1. 1. updating the synonym list will not change any documents that have already been indexed. Synonyms API quick start In the 06-synonyms-api. In ElasticSearch, synonyms can be defined at the index level or at the query level. When an existing synonyms set is updated, the search analyzers that use the synonyms set are reloaded automatically for all indices. One of the most important components of an E-commerce platform is having a good search engine. Jul 15, 2023 · I'm struggling trying to implement synonyms in elasticsearch queries. I am able to create the index, update the mapping and settings with the Java client but I am stuck on how to do the same with the synonyms file. So I have questions, can help me? : Appsearch can have synonyms API for one direction as Elasticsearch done, example : "car => truck" ? I added synonyms "bye => goodbye" to Elasticsearch, so Appsearch will automatically be affected this synonyms or not relevant? Set up Elasticsearch Install Elasticsearch from archive on Linux or MacOS Cluster-level shard allocation and routing settings Add remote clusters using TLS certificate authentication Upgrade Elasticsearch Index modules Mapping Text analysis Index templates Data streams Tutorial: Migrate ILM managed data stream to data stream lifecycle Ingest Upgrade your deployment or cluster Stack This section contains the upgrade instructions for Elasticsearch clusters and Kibana instances. Synonyms are a powerful tool for increasing the recall of your search system, but there are many subtleties that are important to know and exp Apr 16, 2025 · Explore advanced Elasticsearch search techniques focusing on implementing synonyms, autocomplete, and fuzzy queries to deliver powerful and user-friendly search experiences.