quickwit-oss / quickwit-oss/quickwit
Improve merge performance.
Open
Nobody has claimed this yet.
enhancement
- Dominant language
- Rust
- Stars
- 11.7k
- Forks
- 597
- Avg merge
- 2d 22h
- Merged PRs (30d)
- 37
Description
Materializing the document mapping and (more importantly) doing lookups is not necessary.
let mut merged_doc_id_map: Vec<Vec<Option<DocId>>> = self
.readers
.iter()
.map(|reader| {
let mut segment_local_map = vec![];
segment_local_map.resize(reader.max_doc() as usize, None);
segment_local_map
})
.collect();
...
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 locating the merge implementation containing the merged_doc_id_map construction shown in the issue. Determine how document mapping and lookups are used during merging, then establish a benchmark or existing performance check that can demonstrate the optimization is complete.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- rust
- Domain
- performance
- Issue type
- Refactor
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Stale
- Clarity
- Needs clarification
- Newbie friendliness
- 25/100