/ python-bigquery Public
increased memory usage in 2.4.0 #394
Issues related to the googleapis/python-bigquery API.
type: feature request
‘Nice-to-have’ improvement, new feature or different behavior or design.
Version 2.4.0 of the library is allocating much more memory that the previous version, 2.3.1, when running multiple queries.
In particular, it seems that the
QueryJobobject is retaining the results of the query internally, and that memory is not deallocated.
I think that the problem is related to #374.
Steps to reproduce
Run the script in the code example with
google-cloud-bigquery2.4.0 and 2.3.1 versions.
You will also need to install:
The outputs on my machine are:
Please note that we are storing a reference to the
QueryJobobjects, but not to the resulting DataFrames.
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