Question 1

How to implement Elasticsearch.Store with Ecto in Elixir?

Accepted Answer

Define a module implementing the Elasticsearch.Store behaviour, using Ecto's Repo.stream for data streaming and Repo.transaction for atomic operations, as shown in the README example with MyApp.ElasticsearchStore.

Question 2

Elasticsearch for Elixir vs elasticsearch-ex: which is better?

Accepted Answer

This library focuses on direct API interaction without DSLs, while elasticsearch-ex might offer different abstractions; choose based on whether you prefer raw queries or higher-level helpers for Elasticsearch integration.

Question 3

Can I use this library with AWS Elasticsearch Service?

Accepted Answer

Yes, by configuring the api to Elasticsearch.API.AWS and setting AWS credentials in default_options, as detailed in the README's AWS integration section for signed HTTP requests.

Question 4

How to mock Elasticsearch responses for testing?

Accepted Answer

Create a mock module implementing Elasticsearch.API behaviour to stub specific requests and responses, allowing isolated unit tests without needing a real Elasticsearch cluster.

Question 5

What's the best way to handle zero-downtime reindexing in production?

Accepted Answer

Use the mix elasticsearch.build task with index aliases to create a new timestamped index and hot-swap it, ensuring continuous availability during data migration, as described in the indexing section.

Question 6

How to configure bulk page size for indexing?

Accepted Answer

In the index configuration, set the bulk_page_size parameter to control the number of documents sent per bulk request, balancing performance and load, with examples in the config setup.

elasticsearch

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