opensearch-project / opensearch-project/OpenSearch
Alias support for data streams
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- Java
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Description
Is your feature request related to a problem? Please describe.
Currently in OpenSearch, aliases can only refer to indices. This issue is about extending that ability to data streams.
Describe the solution you'd like
Elasticsearch supports adding alias to data streams. Please look at https://github.com/elastic/elasticsearch/issues/66163. Ask is to support the same in OpenSearch.
Describe alternatives you've considered
Additional context
Alias support for data streams is really important, without this, migrating from indices to data streams will impact the existing visualisations and dashboard (which are pointing to indices/aliases).
Contributor guide
First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Start by reading the issue and the linked Elasticsearch issue 66163 to understand the expected alias behavior for data streams. Trace the existing OpenSearch alias and data-stream entry points, then identify the relevant tests. Done means aliases can refer to data streams with behavior matching the requested Elasticsearch support, without breaking existing index aliases.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- java
- Domain
- search
- Issue type
- Feature
- Difficulty
- 5/5
- Estimated time
- Over a week
- Activity status
- Quiet
- Clarity
- Mostly clear
- Newbie friendliness
- 38/100