TimelyDataflow/timely-dataflow

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A modular implementation of timely dataflow in Rust

Stars: 3.6k
Forks: 293
Open beginner issues: 0
Indexed issues: 67
Avg merge: 14h 46m
Merged PRs (30d): 4

Dominant language: Rust
License: MIT
Last GitHub push: Sep 12, 2026
Latest indexed: Sep 20, 2026
Contributing guide: Contributing guide
Code of conduct: No code of conduct
Beginner labels: No beginner labels indexed

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67 open issues indexed

Outdated text in "Creating Operators" subsection of book Open

Difficulty 2/5 1-3 hours Newbie friendliness 38/100

TimelyDataflow/timely-dataflow#739 · 1 comment · Opened Feb 7, 2026
Add example for how to implement `Distributor` Open

Difficulty 2/5 1-3 hours Newbie friendliness 45/100

TimelyDataflow/timely-dataflow#708 · Opened Sep 16, 2025
Clarify relationship of `push_into` and `Accountable` Open

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

TimelyDataflow/timely-dataflow#706 · Opened Aug 29, 2025
Dynamically adding/removing workers Open

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

TimelyDataflow/timely-dataflow#529 · 2 comments · Opened Aug 17, 2023
Remove `Core` variants of various types Open

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

TimelyDataflow/timely-dataflow#510 · Opened Mar 6, 2023
Primes example... slower with more workers? Open

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

TimelyDataflow/timely-dataflow#479 · 1 comment · Opened Aug 12, 2022
Activator: Bound memory utilization by compaction and de-duplication Open

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

TimelyDataflow/timely-dataflow#470 · Opened Jun 22, 2022
Lazy memory allocation in channel pushers. Open

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

TimelyDataflow/timely-dataflow#394 · 6 comments · Opened Jun 11, 2021
Allow making conditional regions Open

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

TimelyDataflow/timely-dataflow#392 · 1 comment · 1 reaction · Opened Jun 5, 2021
Consider a robust TCP / etc communication fabric Open

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

TimelyDataflow/timely-dataflow#386 · Opened Apr 28, 2021
Regions have non-trivial overhead Open

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

TimelyDataflow/timely-dataflow#382 · Opened Apr 13, 2021
Provide re-usable shared `MutableAntichain` Open

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

TimelyDataflow/timely-dataflow#368 · Opened Feb 26, 2021
Consider marking streams as `MustUse`. Open

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

TimelyDataflow/timely-dataflow#358 · 1 comment · 2 reactions · Opened Feb 8, 2021
Allow TimelyProgressEvent to be used with serde Open

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

TimelyDataflow/timely-dataflow#356 · Opened Jan 30, 2021
Add a FilterMap operator Open

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

TimelyDataflow/timely-dataflow#355 · 3 comments · Opened Jan 25, 2021
Changing default allocation size in `channel/mod.rs` Open

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

TimelyDataflow/timely-dataflow#346 · 6 comments · Opened Dec 11, 2020
Your documentation text is superb Open

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

TimelyDataflow/timely-dataflow#345 · 1 comment · 8 reactions · Opened Dec 2, 2020
Support serializing internal state Open

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

TimelyDataflow/timely-dataflow#344 · 5 comments · 1 reaction · Opened Nov 28, 2020
Tracking progress towards completion. Open

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

TimelyDataflow/timely-dataflow#340 · 1 comment · Opened Nov 8, 2020
Disable asynchronous message transfer? Open

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

TimelyDataflow/timely-dataflow#334 · 1 comment · Opened Jul 23, 2020
Research Question For Highly Concurrent Systems Open

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

TimelyDataflow/timely-dataflow#323 · Opened Mar 20, 2020
[Docs] Clarify failure modes of multiple workers and clusters Open

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

TimelyDataflow/timely-dataflow#319 · 2 comments · 3 reactions · Opened Feb 10, 2020
Dataflow construction seems slow-ish Open

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

TimelyDataflow/timely-dataflow#308 · 1 comment · Opened Nov 18, 2019
Pro-active dataflow termination Open

TimelyDataflow/timely-dataflow#306 · 1 assignee · Opened Nov 16, 2019
ProgressEvent's messages and internal fields Open

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

TimelyDataflow/timely-dataflow#286 · 7 comments · Opened Aug 20, 2019
how to avoid influence between dataflows Open

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

TimelyDataflow/timely-dataflow#279 · 3 comments · Opened Jul 22, 2019
How to merge data of workers after execution? Open

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

TimelyDataflow/timely-dataflow#275 · 4 comments · Opened Jul 4, 2019
[communication] Message counter can panic in shutdown Open

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

TimelyDataflow/timely-dataflow#265 · Opened Apr 25, 2019
Advanced InputHandle not imported correctly Open

Difficulty 2/5 1-3 hours Newbie friendliness 45/100

TimelyDataflow/timely-dataflow#264 · Opened Apr 25, 2019
Extracting results Open

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

TimelyDataflow/timely-dataflow#256 · 2 comments · Opened Mar 30, 2019
mdbook Improvements Open

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

TimelyDataflow/timely-dataflow#249 · 1 comment · Opened Mar 17, 2019
Human learning loop / compilation times Open

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

TimelyDataflow/timely-dataflow#246 · 6 comments · Opened Mar 8, 2019
Communication: coalesce counters Open

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

TimelyDataflow/timely-dataflow#243 · Opened Mar 5, 2019
Example to ingest the data over REST Open

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

TimelyDataflow/timely-dataflow#239 · 11 comments · Opened Feb 23, 2019
Consider providing a hook into communication thread spawning Open

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

TimelyDataflow/timely-dataflow#237 · Opened Feb 22, 2019
Timely panics when not connecting Feedback operator Open

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

TimelyDataflow/timely-dataflow#236 · 2 comments · Opened Feb 20, 2019
Multi process tests Open

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

TimelyDataflow/timely-dataflow#222 · 1 comment · Opened Jan 24, 2019
Communication design: MergeQueues Open

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

TimelyDataflow/timely-dataflow#221 · 2 comments · Opened Jan 23, 2019
[examples] using a struct type as input data Open

Difficulty 3/5 1-2 days Newbie friendliness 28/100

TimelyDataflow/timely-dataflow#218 · 9 comments · 1 reaction · Opened Jan 18, 2019
Consider worker virtualization layer Open

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

TimelyDataflow/timely-dataflow#193 · 1 comment · Opened Oct 3, 2018
Looping In Timely Dataflow Open

question

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

TimelyDataflow/timely-dataflow#165 · 10 comments · Opened May 30, 2018
closure ergonomics with custom operators Open

question

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

TimelyDataflow/timely-dataflow#161 · 4 comments · Opened May 20, 2018
How do you minimize/optimize data movement? Open

question

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

TimelyDataflow/timely-dataflow#160 · 1 comment · Opened May 19, 2018
Timely job OOM for too many messages received Open

question

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

TimelyDataflow/timely-dataflow#155 · Opened May 3, 2018
Too many send and receive thread in timely processor Open

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

TimelyDataflow/timely-dataflow#153 · 4 comments · Opened Apr 27, 2018
How to use timely dataflow with realtime input data? Open

question

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

TimelyDataflow/timely-dataflow#147 · 19 comments · Opened Apr 12, 2018
Roadmap? Open

question

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

TimelyDataflow/timely-dataflow#128 · 11 comments · Opened Feb 10, 2018
Documentation suggestion: use different types for worker IDs, timestamps, and data Open

Difficulty 3/5 1-2 days Newbie friendliness 38/100

TimelyDataflow/timely-dataflow#127 · 3 comments · Opened Jan 29, 2018
Flow control Open

question

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

TimelyDataflow/timely-dataflow#123 · 12 comments · Opened Jan 18, 2018
Logging nice-to-haves Open

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

TimelyDataflow/timely-dataflow#114 · 2 comments · Opened Jan 5, 2018

TimelyDataflow/timely-dataflow

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