microsoft/DiskANN

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A vector indexing library to bring fast, fresh and filtered search to your database

Stars: 1.9k
Forks: 454
Open beginner issues: 0
Indexed issues: 79
Avg merge: 3d 22h
Merged PRs (30d): 35

Dominant language: Rust
License: MIT
Last GitHub push: Sep 19, 2026
Latest indexed: Sep 19, 2026
Contributing guide: Contributing guide
Code of conduct: Code of conduct
Beginner labels: help wanted

Beginner friendly Everything

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79 issues indexed so far

Implement Garnet commands for Iceberg indexing Open

enhancement

microsoft/DiskANN#1403 · 1 assignee · Opened Sep 15, 2026
Design new Garnet commands to support Iceberg indexing Open

enhancement

microsoft/DiskANN#1402 · 1 assignee · Opened Sep 15, 2026
Reduce code review effort by automating mechanical checks Open

microsoft/DiskANN#1397 · 1 assignee · Opened Sep 14, 2026
Introduce runtime-related args for `diskann-record`'s Load traits Open

enhancement rust

microsoft/DiskANN#1386 · 1 assignee · Opened Sep 8, 2026
Support filtered diverse search Open

microsoft/DiskANN#1381 · 1 assignee · Opened Sep 8, 2026
Target Features Mismatch Finder Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 45/100

microsoft/DiskANN#1373 · Opened Sep 4, 2026
Add span-tracing to search path Open

enhancement

microsoft/DiskANN#1367 · 1 comment · 1 assignee · Opened Sep 1, 2026
Remove the owned Tokio runtime and synchronous `DiskIndexSearcher` API Open

microsoft/DiskANN#1330 · 1 assignee · Opened Aug 13, 2026
`disk-index` backlog Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 15/100

microsoft/DiskANN#1329 · Opened Aug 13, 2026
[CI] Self hosted benchmark runners should include `rustup` Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 64/100

microsoft/DiskANN#1324 · Opened Aug 12, 2026
Determine peak memory for 10M-sized large dimensional (~1000) index Open

bug

Difficulty 5/5 Over a week Newbie friendliness 25/100

microsoft/DiskANN#1313 · Opened Aug 6, 2026
Reduce disk search latency by overlapping I/O with compute (PipeANN-style pipelining) Open

enhancement rust

microsoft/DiskANN#1285 · 1 assignee · Opened Jul 29, 2026
diskann_garnet nuget for macOS Open

enhancement

microsoft/DiskANN#1283 · 2 assignees · Opened Jul 28, 2026
Add end to end testing via vectorset runbook support Open

microsoft/DiskANN#1268 · 1 assignee · Opened Jul 21, 2026
diskann-garnet should use all IOPs from SSD on LTM scenarios Open

enhancement

microsoft/DiskANN#1258 · 1 assignee · Opened Jul 14, 2026
[diskann-garnet] perf and feature improvements Open

enhancement

microsoft/DiskANN#1211 · 1 assignee · Opened Jun 30, 2026
Indexing support for blob or colder storage tiers. Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 25/100

microsoft/DiskANN#1210 · Opened Jun 30, 2026
Benchmark harness to search index over single-vector + re-rank using multi-vector (max-sim / projected-eigen) Open

enhancement

microsoft/DiskANN#1202 · 1 assignee · Opened Jun 25, 2026
Improve single attribute diversity perf. Open

bug

microsoft/DiskANN#1198 · 1 assignee · Opened Jun 23, 2026
Fix recall and perf issues in Determinant Diversity algo Open

bug

Difficulty 5/5 Over a week Newbie friendliness 20/100

microsoft/DiskANN#1197 · Opened Jun 23, 2026
Implement V0 glue and index interface Open

enhancement

microsoft/DiskANN#1191 · 2 assignees · Opened Jun 19, 2026
Support optimized eigenprojection scoring kernel Open

enhancement

microsoft/DiskANN#1190 · 1 assignee · Opened Jun 19, 2026
Deprecate beta search Open

microsoft/DiskANN#1180 · 1 assignee · Opened Jun 16, 2026
Filtered search uses latest algorithms and is widely supported in DiskANN Open

microsoft/DiskANN#1177 · 1 assignee · Opened Jun 16, 2026
inplace_delete shouldn't access any data associated with a vector after `DataProvider::delete()` is called Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 45/100

microsoft/DiskANN#1153 · Opened Jun 12, 2026
Support IVF index Open

enhancement

microsoft/DiskANN#1126 · 2 assignees · Opened Jun 2, 2026
Add data providers for cold storages Open

enhancement

microsoft/DiskANN#1125 · 1 assignee · Opened Jun 2, 2026
Refactor Load/Save functionality Open

enhancement

microsoft/DiskANN#1089 · 1 assignee · Opened May 19, 2026
Define the purpose of diskann-label-filter crate Open

microsoft/DiskANN#1087 · 1 assignee · Opened May 19, 2026
Determine if the owning of labels and filter expression support makes sense Open

microsoft/DiskANN#1086 · 1 assignee · Opened May 19, 2026
Support for filtering using labels in DiskANN Open

microsoft/DiskANN#1085 · 1 assignee · Opened May 19, 2026
Validate multi-vector index for different data types (recall, throughput, stability) Open

microsoft/DiskANN#1072 · 1 assignee · Opened May 14, 2026
Add support for reading L1/L2 cache sizes for different platforms(Windows, Linux, MacOS) for our efficient cache aware multi-vector distance functions. Open

microsoft/DiskANN#1062 · 1 assignee · Opened May 13, 2026
Provide tools to debug bottlenecks in compilation time Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 25/100

microsoft/DiskANN#1039 · Opened May 7, 2026
Document Patterns, anti-patterns to help with compilation time Open

enhancement

Difficulty 4/5 3-5 days Newbie friendliness 25/100

microsoft/DiskANN#1038 · Opened May 7, 2026
Limit Compilation Time Growth Open

enhancement

Difficulty 4/5 3-5 days Newbie friendliness 35/100

microsoft/DiskANN#1037 · Opened May 7, 2026
Pipnn quantized vector support Open

enhancement

microsoft/DiskANN#1032 · 1 assignee · Opened May 7, 2026
Enable Multi-vector indexing support Open

enhancement rust

microsoft/DiskANN#1019 · 1 assignee · Opened May 5, 2026
QuantCompressor.new_at_stage(): investigate if generation of PQ pivots is needed there Open

enhancement

Difficulty 4/5 3-5 days Newbie friendliness 45/100

microsoft/DiskANN#1016 · 1 comment · Opened May 5, 2026
Allow configuration of vectorset Open

enhancement

microsoft/DiskANN#1006 · 1 assignee · Opened May 1, 2026
ANNError: Remove the old `log*` style constructors Open

Difficulty 3/5 1-2 days Newbie friendliness 48/100

microsoft/DiskANN#1003 · Opened May 1, 2026
Define storage & serialization for quantization types MinMax. Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 30/100

microsoft/DiskANN#992 · Opened Apr 28, 2026
RFC: Multi-Vector Distance Function Architecture Open

enhancement

microsoft/DiskANN#985 · 1 assignee · Opened Apr 28, 2026
Address performance gaps between K-means in diskann-quantization and diskann-providers Open

enhancement

microsoft/DiskANN#939 · 1 comment · 3 assignees · Opened Apr 10, 2026
Investigate/Fix NPQ sizing to account for frozen points. Open

Difficulty 4/5 3-5 days Newbie friendliness 48/100

microsoft/DiskANN#931 · 1 comment · Opened Apr 9, 2026
Integrate single attribute diversity search into benchmarks Open

enhancement

microsoft/DiskANN#910 · 1 assignee · Opened Apr 7, 2026
Maintenance of `diskann-providers` Open

microsoft/DiskANN#899 · 5 comments · 1 assignee · Opened Apr 3, 2026
Serialization persistence. Schema evolution Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 25/100

microsoft/DiskANN#895 · Opened Apr 3, 2026
Proc macro: struct explanation to improve help Open

enhancement

Difficulty 4/5 3-5 days Newbie friendliness 45/100

microsoft/DiskANN#890 · Opened Apr 3, 2026
Diskann-benchmark: increase adoption in CI Open

enhancement

Difficulty 4/5 3-5 days Newbie friendliness 30/100

microsoft/DiskANN#888 · Opened Apr 3, 2026

microsoft/DiskANN

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