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    OpenSearch:Release notes

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    OpenSearch:Release notes

    Last Updated:Jan 23, 2025

    This topic describes the release notes for OpenSearch Retrieval Engine Edition.

    2025

    January

    Release date

    Feature

    Type

    Description

    2025-01-02

    Feature addition, update, or optimization

    New

    Data Lake Formation (DLF) data sources can be used as full data sources.

    2024

    December

    Release date

    Feature

    Type

    Description

    2024-12-05

    Feature addition, update, or optimization

    New

    1. In-place reindex can be performed based on the data in an index. You do not need to re-write data from the data source or restore data before reindex.

    2. JSON files can be used as full Object Storage Service (OSS) data sources.

    July

    Release date

    Feature

    Type

    Description

    2024-07-01

    Feature addition, update, or optimization

    New

    1. Logs can be viewed, queried, and written.

    2. Default values of fields can be customized.

    June

    Release date

    Feature

    Type

    Description

    2024-06-04

    Feature addition, update, or optimization

    New

    1. The UI of the OpenSearch console is optimized.

    2. The number of table shards is decoupled from the number of Searcher workers. The number of shards is decoupled between tables.

    March

    Release date

    Feature

    Type

    Description

    2024-03-26

    Feature addition, update, or optimization

    New

    1. End-to-end canary switching is supported.

    2. Online configuration is supported.

    3. Monitoring metrics are updated.

    4. The finite-state machine (FSM) process on the Change History page is optimized.

    5. Comments can be added for fields.

    January

    Release date

    Feature

    Type

    Description

    2024-01-08

    Feature addition, update, or optimization

    New

    1. Multiple vectors can be configured for a single document.

    2. A text-to-vector conversion model is added. The model can automatically convert Chinese or English text that consists of 128, 512, or 1,024 tokens to vector data.

    2023

    November

    Release date

    Feature

    Type

    Description

    2023-11-13

    Feature optimization

    Optimized

    1. The readability of the Change History page is optimized.

    2. Whether an Object Storage Service (OSS) data source resides in the same region as a specific OpenSearch instance can be checked.

    3. The current time can be directly specified as a timestamp.

    October

    Release date

    Feature

    Type

    Description

    2023-10-12

    Instance specification adjustment

    New

    1. QRS workers and Searcher workers with smaller specifications are available for purchase. The minimum specifications of a QRS worker are 2 vCPUs and 8 GB of memory. The minimum specifications of a searcher worker are 2 vCPUs and 16 GB of memory.

    2. Cloud disks and SSDs are supported for QRS workers and Searcher workers.

    3. A free quota of 100 GB is provided for index storage for a single OpenSearch instance.

    4. The instance rental fee is adjusted.

    2023-10-10

    Feature addition, update, or optimization

    New

    An enhanced image-to-vector conversion model is added for e-commerce.

    August

    Release date

    Feature

    Type

    Description

    2023-08-31

    Feature addition, update, or optimization

    New

    1. Sub-documents can be configured for an index table.

    2. Custom Cava-based plug-ins are supported.

    June

    Release date

    Feature

    Type

    Description

    2023-06-07

    Feature addition, update, or optimization

    New

    1. The ignore_invalid_doc and enable_rt_build parameters are added for vector indexes.

    2. Instance alerting can be configured based on accounts.

    3. The Pause Switch feature is added.

    4. Dictionaries can be configured by uploading files.

    March

    Release date

    Feature

    Type

    Description

    2023-03-30

    Feature addition, update, or optimization

    New

    1. New features: The image search capability is added. OpenSearch Retrieval Engine Edition supports image embedding and implements features such as searches for images based on specific images or text.

    2. New feature: Data compression is supported, including the compression of fields, attributes, and indexes.

    3. New feature: Access over the Internet is supported. IP addresses whitelists are supported.

    4. New feature: Data can be queried by using RESTful APIs.

    January

    Release date

    Feature

    Type

    Description

    2022-01-09

    Feature addition, update, or optimization

    New

    1. New features: A variety of built-in analyzers and their intervention dictionaries are added. The built-in analyzers include the entertainment content analyzer, general analyzer for e-commerce for English, IT content analyzer, e-commerce analyzer, person name analyzer, and geographic location analyzer.

    2. New feature: Custom multi-value delimiters are supported.

    3. Optimized feature: Advanced parameters that are seldom configured for vector indexes are hidden by default. This helps simplify the configuration and O&M.

    4. New feature: More monitoring metrics are supported. You can receive an alert notification if the index change rate exceeds a specific threshold or the full or incremental index data is not updated for a specific period of time. The threshold or period of time can be customized.

    5. Optimized features: Metrics about offline services during reindexing are displayed in the change history. The index building progress can be viewed.

    2022

    September

    Release date

    Feature

    Type

    Description

    2022-09-21

    Feature addition, update, or optimization

    New

    1. Optimized features: DUP requirements on vector fields are lifted. Limits on the field order are added for vector indexes. More field types are supported by vector indexes. Default values are set for advanced settings of vector indexes to simplify the configuration.

    2. Optimized feature: Timestamps in the format of the wall-clock time are supported.

    3. Optimized features: Index tables can be switched on the Deployment Management page. All data sources, index tables, and clusters can be displayed on the Deployment Management page.

    August

    Release date

    Feature

    Type

    Description

    2022-08-16

    Feature addition, update, or optimization

    New

    1. New features: Index data recovery and quick scaling of shards are supported.

    2. Optimized feature: The default alerting configuration is added for OpenSearch Retrieval Engine Edition to optimize the alerting feature.

    May

    Release date

    Feature

    Type

    Description

    2022-05-20

    Feature addition, update, or optimization

    New

    1. Optimized features: Quick scale-out of clusters, index schema configuration by clicks, online query configurations, and scenario-based O&M of instances are supported.

    2. New features: Vectors can be used as plug-ins for the sorting phases. Multi-value indexes and range indexes are supported.

    2021

    December

    Release date

    Feature

    Type

    Description

    2021-12-31

    Official release of OpenSearch Retrieval Engine Edition

    New

    After years of development, OpenSearch Retrieval Engine Edition can meet the business requirements for high availability, high timeliness, and low costs. OpenSearch Retrieval Engine Edition also provides an automated O&M system on which you can build a search service based on your business requirements.