5063: Fix pagination when embedding fails r=Kerollmops a=dureuill
# Pull Request
## Related issue
Fixes https://github.com/meilisearch/meilisearch/issues/5045
## What does this PR do?
- Use `return_keyword_results` function when embedding fails
Co-authored-by: Louis Dureuil <louis@meilisearch.com>
5092: Precise spans for new indexer r=dureuill a=dureuill
- Separate extract and merge spans
- Add span around commit
Co-authored-by: Louis Dureuil <louis@meilisearch.com>
5089: Improve error handling when writing into LMDB r=dureuill a=Kerollmops
This PR exposes two new internal error variants: `StoreDelete` and `StorePut`. So that the error messages are better when we fail at writing into LMDB.
Related to #5078
Co-authored-by: Clément Renault <clement@meilisearch.com>
5080: Fix getting a single batch through the GET route r=Kerollmops a=dureuill
# Pull Request
## Related issue
Fixes a bug where getting a single batch does not work
Related to #5070
fix by `@Kerollmops`
Co-authored-by: Louis Dureuil <louis@meilisearch.com>
4900: Indexer edition 2024 r=Kerollmops a=dureuill
This PR is implementing the indexer edition 2024, largely inspired by [the ideas from this blog post](https://blog.kerollmops.com/meilisearch-is-too-slow).
Fixes https://github.com/meilisearch/meilisearch/issues/4985
## Features
- Stream-first approach to reading documents.
- Minimum disk write operations.
- RAM usage-first approach to avoid modifying common bitmaps on disk but in memory.
- Reduced LMDB fragmentation by writing entries only once...
- ...computing the final version of the entries in parallel...
- ...and storing them in write-optimized data structures before sending them to the BTree (LMDB).
- Indexing in multiple transactions to improve large dataset support (dumps).
Co-authored-by: ManyTheFish <many@meilisearch.com>
Co-authored-by: Clément Renault <clement@meilisearch.com>
Co-authored-by: Louis Dureuil <louis@meilisearch.com>
