HyukjinKwon commented on a change in pull request #32835:
URL: https://github.com/apache/spark/pull/32835#discussion_r648794040
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File path: python/docs/source/user_guide/pandas_on_spark/best_practices.rst
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@@ -227,19 +227,19 @@ See `Default Index Type
<options.rst#default-index-type>`_ for more details abou
Reduce the operations on different DataFrame/Series
---------------------------------------------------
-Koalas disallows the operations on different DataFrames (or Series) by default
to prevent expensive operations.
+Pandas APIs on Spark disallows the operations on different DataFrames (or
Series) by default to prevent expensive operations.
It internally performs a join operation which can be expensive in general,
which is discouraged. Whenever possible,
this operation should be avoided.
See `Operations on different DataFrames
<options.rst#operations-on-different-dataframes>`_ for more details.
-Use Koalas APIs directly whenever possible
+Use pandas APIs on Spark APIs directly whenever possible
------------------------------------------
-Although Koalas has most of the pandas-equivalent APIs, there are several APIs
not implemented yet or explicitly unsupported.
+Although pandas APIs on Spark has most of the pandas-equivalent APIs, there
are several APIs not implemented yet or explicitly unsupported.
Review comment:
```suggestion
Although pandas APIs on Spark have most of the pandas-equivalent APIs, there
are several APIs not implemented yet or explicitly unsupported.
```
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