mars

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**Describe the bug** A clear and concise description of what the bug is. **To Reproduce** To help us reproducing this bug, please provide information below: 1. Your Python version 2....

chaokunyang

[BUG] ConnectionRefusedError: [Errno 111] Connection refused

1

**Describe the bug** When using mars web client, if we cancel a task, then executing a new task ,we got `Connection refused.` **To Reproduce** To help us reproducing this bug,...

chaokunyang

Mars storage data key error when autoscaling in workers: ``` 2022-02-24 17:04:33,625 ERROR autoscale.py:343 -- Exception occurred when try to auto scale Traceback (most recent call last): File "/home/admin/ray-pack/tmp/job/99000080/pyenv/lib/python3.7/site-packages/mars/services/scheduling/supervisor/autoscale.py", line...

chaokunyang

Right now the documentation of Mars does not list and compare the Dataframe and Tensor with the Pandas Dataframe and Numpy API. It will be great if we can compare...

sakshamkumar-byt

Add support for LogisticRegression

3

**Is your feature request related to a problem? Please describe.** Implements LogisticRegression for Logistic Regression (aka logit, MaxEnt) classifier： API Like：https://scikit-learn.org/stable/modules/generated/sklearn.linear_model.LogisticRegression.html the param i need： * **penalty** {‘l1’, ‘l2’, ‘elasticnet’,...

wuyeguo

Now we implements GroupBy.nunique using GroupBy.transform, some optimizations could be applied to reduce intermediate data size.

hekaisheng

# Reporting a bug ``` import pandas as pd import mars import numpy as np df = pd.DataFrame(np.random.rand(5,3)) sliced_df = df.loc[0:1] # Out[6]: sliced_df # 0 1 2 # 0...

dlee992

We can add a doc about performance tuning for lazy evaluation. 1. Pay attention to common data, if it's not executed in advance, it may be executed for multiple times....

qinxuye

Allow using md.loc to set values

1

**Is your feature request related to a problem? Please describe.** For now, I cannot use md.loc for setting values. For example, I tried df.loc[:, 'column_name'] = function(df). Then the "TypeError:...

ZYLi24

Current implementation could be found here #2466. In fact, iteratively calling stochastic gradient descent is quite inefficient for distributed frameworks like Mars. Potential solutions could be: 1. Zhuang, Yong, et...

Fernadoo