mars-project/mars

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Mars is a tensor-based unified framework for large-scale data computation which scales numpy, pandas, scikit-learn and Python functions.

Stars: 2.7k
Forks: 325
Open beginner issues: 0
Indexed issues: 196

Dominant language: Python
License: Apache-2.0
Last GitHub push: Nov 2, 2023
Latest indexed: Sep 19, 2026
Contributing guide: Contributing guide
Code of conduct: Code of conduct
Beginner labels: good first issue help wanted hacktoberfest
PR merge metrics: No merged PRs in 30d

Beginner friendly Everything

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196 open issues indexed

[BUG]Build fails under Windows platform Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

mars-project/mars#3366 · 1 comment · Opened May 11, 2024
[PERF] Performance issue in pandas 1.3.4's read_csv Function with Large Column CSV Files Open

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

mars-project/mars#3365 · Opened Jan 29, 2024
[BUG] Series with multi index accessing data by index error Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

mars-project/mars#3357 · Opened Aug 7, 2023
[BUG] Series doesn't support attribute access Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

mars-project/mars#3356 · Opened Aug 7, 2023
A more universal function to replace subgraph in OptimizationRule Open

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

mars-project/mars#3352 · Opened Jun 27, 2023
[GRAPH][ENHANCEMENT] Optimize `SubtakGraph` generation Open

mod: graph mod: optimization

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

mars-project/mars#3341 · 1 reaction · Opened Apr 20, 2023
[PROPOSAL] Worker node failover based on subtask lineage Open

mod: scheduling service type: enhancement

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

mars-project/mars#3308 · Opened Dec 29, 2022
[BUG] xgboost 1.7: ImportError: cannot import name 'rabit' from 'xgboost' Open

type: bug

Difficulty 3/5 1-2 days Newbie friendliness 35/100

mars-project/mars#3288 · Opened Nov 2, 2022
[BUG]Distributed training of lightGBM on ray error Open

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

mars-project/mars#3248 · 2 comments · Opened Sep 8, 2022
[BUG] corrwith result incorrect Open

type: bug

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

mars-project/mars#3247 · Opened Sep 8, 2022
A question about how to read a csv file and output it Open

Difficulty 3/5 1-2 days Newbie friendliness 25/100

mars-project/mars#3232 · 3 comments · Opened Aug 19, 2022
[BUG]Failed to run execute(wait=False) in another thread Open

type: bug

mars-project/mars#3229 · 1 comment · 1 assignee · Opened Aug 18, 2022
[BUG] could not convert string to float Open

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

mars-project/mars#3225 · 2 comments · Opened Aug 16, 2022
[BUG] ray private attribute and access DeprecationWarning Open

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

mars-project/mars#3217 · Opened Aug 10, 2022
[BUG]Test on ray cluster: TypeError: __init__() missing 1 required positional argument: 'pid' Open

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

mars-project/mars#3197 · 5 comments · Opened Jul 28, 2022
[Proposal] Apply operand closure cleanup Open

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

mars-project/mars#3193 · 5 comments · Opened Jul 20, 2022
What's best practice for setup cluster? Open

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

mars-project/mars#3180 · 3 comments · Opened Jul 5, 2022
Implement operand for ```scipy.special.fresnel_zeros``` Open

Difficulty 4/5 3-5 days Newbie friendliness 28/100

mars-project/mars#3179 · 1 comment · Opened Jul 4, 2022
[BUG] mars storage fetct data key error Open

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

mars-project/mars#3175 · Opened Jun 29, 2022
[BUG] Mars build graph took too much time Open

Difficulty 4/5 3-5 days Newbie friendliness 28/100

mars-project/mars#3174 · Opened Jun 29, 2022
[BUG] Ray DAG mode access Mars WEB Dashboard error Open

mod: ray integration mod: web type: bug

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

mars-project/mars#3171 · Opened Jun 27, 2022
[BUG] TypeError: ufunc 'equal' did not contain a loop with signature matching types Open

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

mars-project/mars#3163 · Opened Jun 23, 2022
Implements `sklearn.ensemble.RandomForestClassifier` Open

mod: learn prio: high task: medium type: feature

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

mars-project/mars#3159 · Opened Jun 21, 2022
[BUG] Mars client can't fetch large data Open

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

mars-project/mars#3122 · Opened Jun 7, 2022
Make `run_subtask` API support batch operation Open

mod: scheduling service type: enhancement

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

mars-project/mars#3089 · Opened May 26, 2022
Web page is stuck when task is running Open

mod: web type: bug

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

mars-project/mars#3082 · Opened May 24, 2022
[RFC] Make mapper output blocks consistent with num_reducers Open

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

mars-project/mars#3054 · Opened May 19, 2022
[BUG] test_ownership_when_scale_in hang Open

mars-project/mars#3042 · 3 comments · 1 assignee · Opened May 17, 2022
Support get_chunk_meta in RayExecutionContext Open

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

mars-project/mars#3039 · Opened May 17, 2022
[BUG] to_csv raises FileNotFoundError: [Errno 2] No such file or directory Open

Difficulty 4/5 3-5 days Newbie friendliness 28/100

mars-project/mars#3038 · 1 comment · Opened May 16, 2022
[BUG] `groupby` failed when using categorical columns with `as_index=False` Open

mod: dataframe type: bug

Difficulty 3/5 1-2 days Newbie friendliness 35/100

mars-project/mars#3036 · 1 comment · Opened May 13, 2022
Showing current running subtasks on worker web UI Open

mod: scheduling service mod: web type: feature

mars-project/mars#3026 · 1 assignee · Opened May 12, 2022
[BUG] mars local mode error Open

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

mars-project/mars#3019 · Opened May 11, 2022
Proposal - Group by order preservation Open

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

mars-project/mars#3001 · Opened May 5, 2022
[Proposal] a lineage reconstruction based failover for mars Open

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

mars-project/mars#2972 · Opened Apr 26, 2022
Using aggregation instead of transform to perform `df.groupby().nunique()` Open

mod: dataframe task: medium type: enhancement

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

mars-project/mars#2966 · Opened Apr 26, 2022
Support Slurm (or other cluster management and job scheduling system) Open

reso: duplicate

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

mars-project/mars#2952 · 1 comment · Opened Apr 22, 2022
Does mars support Nvlink Open

mod: actor type: feature

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

mars-project/mars#2948 · 1 comment · Opened Apr 22, 2022
[BUG] mars shuffle function not well-distributed Open

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

mars-project/mars#2934 · Opened Apr 19, 2022
[storage] Add batch.put API for storage Open

mod: service mod: storage

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

mars-project/mars#2925 · 4 comments · Opened Apr 18, 2022
[BUG] mars client timeout after cancel subtask in notebook Open

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

mars-project/mars#2917 · Opened Apr 13, 2022
Ray-based Shuffle For Mars Open

proposal

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

mars-project/mars#2916 · 3 comments · 2 reactions · Opened Apr 13, 2022
[BUG] Result inconsistent when intermediate results executed Open

mod: dataframe type: bug

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

mars-project/mars#2898 · 1 comment · Opened Apr 2, 2022
[BUG] Mars storage put_data_info hang Open

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

mars-project/mars#2897 · Opened Apr 2, 2022
[PROPOSAL] The Execution API Open

proposal

mars-project/mars#2893 · 2 reactions · 1 assignee · Opened Apr 1, 2022
Add backend for xarray Open

mod: tensor prio: high task: medium type: feature

mars-project/mars#2888 · 1 comment · 1 assignee · Opened Mar 31, 2022
Implements `cluster.AffinityPropagation` algorithm Open

mod: learn prio: high task: medium type: feature

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

mars-project/mars#2884 · Opened Mar 30, 2022
[BUG] request quota hang Open

Difficulty 4/5 3-5 days Newbie friendliness 18/100

mars-project/mars#2873 · Opened Mar 25, 2022
Implements `{DataFrame,Series}.{combine,combine_first}` Open

Hacktoberfest mod: dataframe task: medium type: feature

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

mars-project/mars#2872 · Opened Mar 25, 2022
[BUG] ref count error Open

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

mars-project/mars#2867 · Opened Mar 25, 2022

mars-project/mars

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