HyukjinKwon opened a new pull request #35917:
URL: https://github.com/apache/spark/pull/35917
### What changes were proposed in this pull request?
This PR proposes to add a new alias `PYSPARK_PANDAS_USAGE_LOGGER` for
`KOALAS_USAGE_LOGGER`.
### Why are the changes needed?
To avoid legacy name, Koalas.
### Does this PR introduce _any_ user-facing change?
Yes, uses can set `PYSPARK_PANDAS_USAGE_LOGGER` environment variable for
using a usage logger.
### How was this patch tested?
Manual positive tests:
```bash
PYSPARK_PANDAS_USAGE_LOGGER=pyspark.pandas.usage_logging.usage_logger
./bin/pyspark
```
```python
>>> import pyspark.pandas as ps
>>> df = ps.range(1)
>>> import logging
>>> import sys
>>> root = logging.getLogger()
>>> root.setLevel(logging.INFO)
>>> handler = logging.StreamHandler(sys.stdout)
>>> handler.setLevel(logging.INFO)
>>> formatter = logging.Formatter('%(asctime)s - %(name)s - %(levelname)s -
%(message)s')
>>> handler.setFormatter(formatter)
>>> root.addHandler(handler)
>>> df.id.sort_values()
...
INFO:pyspark.pandas.usage_logger:A function `DataFrame.__getattr__(self,
key)` was successfully finished after 0.136 ms.
....
```
```bash
KOALAS_USAGE_LOGGER=pyspark.pandas.usage_logging.usage_logger ./bin/pyspark
```
```python
>>> import pyspark.pandas as ps
>>> df = ps.range(1)
>>> import logging
>>> import sys
>>> root = logging.getLogger()
>>> root.setLevel(logging.INFO)
>>> handler = logging.StreamHandler(sys.stdout)
>>> handler.setLevel(logging.INFO)
>>> formatter = logging.Formatter('%(asctime)s - %(name)s - %(levelname)s -
%(message)s')
>>> handler.setFormatter(formatter)
>>> root.addHandler(handler)
>>> df.id.sort_values()
...
2022-03-21 11:51:21,039 - pyspark.pandas.usage_logger - INFO - A function
`DataFrame.__getattr__(self, key)` was successfully finished after 0.107 ms.
...
```
Manual negative tests:
```bash
PYSPARK_PANDAS_USAGE_LOGGER=abc ./bin/pyspark
```
```python
>>> import pyspark.pandas as ps
WARNING:pyspark.pandas.usage_logger:Tried to attach usage logger `abc`, but
an exception was raised: module 'abc' has no attribute 'get_logger'
```
```bash
KOALAS_USAGE_LOGGER=abc ./bin/pyspark
```
```python
>>> import pyspark.pandas as ps
WARNING:pyspark.pandas.usage_logger:Tried to attach usage logger `abc`, but
an exception was raised: module 'abc' has no attribute 'get_logger'
```
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