[ARROW-1973] [Python] Memory leak when converting Arrow tables with array columns to Pandas dataframes.

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 0.8.0
• Fix Version/s: 0.9.0
• Component/s: C++, Python
• Labels: pull-request-available
• Environment: Linux Mint 18.2 ; Anaconda Python distribution + pyarrow installed from the conda-forge channel
• External issue URL: https://github.com/apache/arrow/issues/1461
• Assignee: Phillip Cloud
• Reporter: Alexey Strokach
• Created: 07/Jan/18 03:29
• Updated: 10/Feb/18 23:35
• Resolved: 09/Feb/18 21:07

Description

There appears to be a memory leak when using PyArrow to convert tables containing array columns to Pandas DataFrames.

See the `test_memory_leak.py` example here: https://gitlab.com/ostrokach/pyarrow_duplicate_column_errors

Issue Links

• links to: GitHub Pull Request #1578