DataStax Python Driver for Apache Cassandra User Mailing List

1–30 of 286

Questions, comments, announcements and feedback on the DataStax Python Driver.

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Michael Fischer, Bret McGuire3

May 27

Size increase of wheels since 3.27

Thanks for the explanation and the update. I look forward to hearing where this goes. On Friday, May

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Size increase of wheels since 3.27

Thanks for the explanation and the update. I look forward to hearing where this goes. On Friday, May

May 27

Bret McGuire, Federico Fissore2

Mar 25

[Release] DataStax Python Driver 3.29.1 for Apache Cassandra

We are finally in production running python 3.12, thank you very much! federico On Wed, 20 Mar 2024

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[Release] DataStax Python Driver 3.29.1 for Apache Cassandra

We are finally in production running python 3.12, thank you very much! federico On Wed, 20 Mar 2024

Mar 25

Feb 21

Plans for a 3.30.0 release

Greetings all! We've started putting together an outline for the next release which we'll

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Plans for a 3.30.0 release

Greetings all! We've started putting together an outline for the next release which we'll

Feb 21

12/22/23

[Release] DataStax Python Driver 3.29.0 for Apache Cassandra

Greetings! Just a quick follow-up to our announcement of the release of version 3.29.0. Wheels for

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[Release] DataStax Python Driver 3.29.0 for Apache Cassandra

Greetings! Just a quick follow-up to our announcement of the release of version 3.29.0. Wheels for

12/22/23

DataStax Python Driver for Apache Cassandra User Mailing List

9/19/23

[Release] DataStax Python Driver 3.28.0 for Apache Cassandra

Greetings! Python Driver 3.28.0 for Apache Cassandra was released in early June of 2023 but

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[Release] DataStax Python Driver 3.28.0 for Apache Cassandra

Greetings! Python Driver 3.28.0 for Apache Cassandra was released in early June of 2023 but

9/19/23

Bret McGuire, … Federico Fissore9

7/17/23

Plans for a 3.26.0 release.... and more!

Returning to the question posed by Ron above: I believe I can offer some additional information here.

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Plans for a 3.26.0 release.... and more!

Returning to the question posed by Ron above: I believe I can offer some additional information here.

7/17/23

Bret McGuire, … Federico Fissore5

5/3/23

[Release] DataStax Python Driver 3.27.0 for Apache Cassandra

Awesome thx! My apple colleagues will be happy cheers federico On Wed, 3 May 2023 at 16:51, Bret

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[Release] DataStax Python Driver 3.27.0 for Apache Cassandra

Awesome thx! My apple colleagues will be happy cheers federico On Wed, 3 May 2023 at 16:51, Bret

5/3/23

3/28/23

[Release] DataStax Python Driver 3.26.0 for Apache Cassandra

Greetings! Today we've released Python Driver 3.26.0 for Apache Cassandra! As discussed in an

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[Release] DataStax Python Driver 3.26.0 for Apache Cassandra

Greetings! Today we've released Python Driver 3.26.0 for Apache Cassandra! As discussed in an

3/28/23

Andrew Blum, Bret McGuire4

1/5/23

Providing ARM Python Wheel

Excellent, glad to hear it Andrew! - Bret - On Wednesday, January 4, 2023 at 7:07:36 PM UTC-6 Andrew

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Providing ARM Python Wheel

Excellent, glad to hear it Andrew! - Bret - On Wednesday, January 4, 2023 at 7:07:36 PM UTC-6 Andrew

1/5/23

Filip Kostecki, Bret McGuire2

9/7/22

Insert consistency level quorum docs error

Wow, nice catch! That docstring has been around for some time. You are correct, that should read

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Insert consistency level quorum docs error

Wow, nice catch! That docstring has been around for some time. You are correct, that should read

9/7/22

7/15/22

Upcoming cassandra-driver release and removal of support for Python 2.7.x

Greetings all! It's been some time since our last release of the Python cassandra-driver package.

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Upcoming cassandra-driver release and removal of support for Python 2.7.x

Greetings all! It's been some time since our last release of the Python cassandra-driver package.

7/15/22

3/5/22

execute_concurrent and execution profiles

Hi, I'm trying to migrate my code to use execution profiles. My code uses execute_concurren()

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execute_concurrent and execution profiles

Hi, I'm trying to migrate my code to use execution profiles. My code uses execute_concurren()

3/5/22

12/30/21

Support for creating materialized views with Python Driver

Hello I am relatively new to Cassandra, and was having a hard time finding support for creating

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Support for creating materialized views with Python Driver

Hello I am relatively new to Cassandra, and was having a hard time finding support for creating

12/30/21

vartika singh, … Bret McGuire7

12/13/21

Cassandra Db queries not working inside child process

please find the stack trace Process _GProcess-1: Traceback (most recent call last): File "/usr/

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Cassandra Db queries not working inside child process

please find the stack trace Process _GProcess-1: Traceback (most recent call last): File "/usr/

12/13/21

Manpreet, Bret McGuire2

12/9/21

javax.net.ssl.SSLHandshakeException: The client supported protocol versions [TLSv1.3] are not accepted by server preferences [TLS12, SSL20Hello]

Greetings Manpreet! This error indicates that your client is trying to use TLS 1.3 to communicate

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javax.net.ssl.SSLHandshakeException: The client supported protocol versions [TLSv1.3] are not accepted by server preferences [TLS12, SSL20Hello]

Greetings Manpreet! This error indicates that your client is trying to use TLS 1.3 to communicate

12/9/21

Manpreet, … Bret McGuire4

12/6/21

Any Python driver that supports TLSv1.3

Thanks for your question Manpreet! I believe the Python driver already has all the bits necessary to

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Any Python driver that supports TLSv1.3

Thanks for your question Manpreet! I believe the Python driver already has all the bits necessary to

12/6/21

Chris F., Bret McGuire3

9/16/21

support for Python 3.9?

Thank you! It's the only package I use that's holding me up for 3.9. From: Bret McGuire <

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support for Python 3.9?

Thank you! It's the only package I use that's holding me up for 3.9. From: Bret McGuire <

9/16/21

Alan Boudreault

3/19/21

[Release] DataStax Python Driver 3.25.0 for Apache Cassandra

Hi, Today we've released Python Driver 3.25.0 for Apache Cassandra. This release mostly includes

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[Release] DataStax Python Driver 3.25.0 for Apache Cassandra

Hi, Today we've released Python Driver 3.25.0 for Apache Cassandra. This release mostly includes

3/19/21

1/29/21

Python3: cassandra.cluster.NoHostAvailable: (“Unable to connect to any servers using keyspace 'test'”, ['127.0.0.1']) when using execute_async future

Hi All, I am trying to fetch data from Cassandra from a specific table and trying to insert it into

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Python3: cassandra.cluster.NoHostAvailable: (“Unable to connect to any servers using keyspace 'test'”, ['127.0.0.1']) when using execute_async future

Hi All, I am trying to fetch data from Cassandra from a specific table and trying to insert it into

1/29/21

KIER JEXTER BAGUNU, Alan Boudreault2

9/8/20

Paging Query using Object Mapper (Python)

Hi, Actually, there is no way to set the paging_state with the object mapper. You can only set the

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Paging Query using Object Mapper (Python)

Hi, Actually, there is no way to set the paging_state with the object mapper. You can only set the

9/8/20

Alan Boudreault

8/5/20

Re: Application hung retrying with cassandra driver v3.15 in DR scenario.

Hello, There are indeed many useful bug fixes that were done since 3.15, like PYTHON-1044. It is hard

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Re: Application hung retrying with cassandra driver v3.15 in DR scenario.

Hello, There are indeed many useful bug fixes that were done since 3.15, like PYTHON-1044. It is hard

8/5/20

Alan Boudreault

6/18/20

[Release] DataStax Python Driver 3.24.0 for Apache Cassandra

Hi, Today we've released Python Driver 3.24.0 for Apache Cassandra. This release includes the

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[Release] DataStax Python Driver 3.24.0 for Apache Cassandra

Hi, Today we've released Python Driver 3.24.0 for Apache Cassandra. This release includes the

6/18/20

Li Lin, Alan Boudreault3

6/13/20

unable to connect to Astra using python driver, Java works fine

Hi Li Lin, This is a known issue. It will be fixed in the next 3.24 release, planned for wednesday.

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unable to connect to Astra using python driver, Java works fine

Hi Li Lin, This is a known issue. It will be fixed in the next 3.24 release, planned for wednesday.

6/13/20

Alan Boudreault, Yi Zhou6

5/20/20

Re: Cassandra with uwsgi and django raise NoHostAvailable error after long time normal running

That is a possibility. I looked in the code and I think that if the system is in a very bad shape it

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Re: Cassandra with uwsgi and django raise NoHostAvailable error after long time normal running

That is a possibility. I looked in the code and I think that if the system is in a very bad shape it

5/20/20

Alan Boudreault

4/6/20

[Release] DataStax Python Driver 3.23.0 for Apache Cassandra

Hi, Today we've released Python Driver 3.23.0 for Apache Cassandra. This release includes a

unread,

[Release] DataStax Python Driver 3.23.0 for Apache Cassandra

Hi, Today we've released Python Driver 3.23.0 for Apache Cassandra. This release includes a

4/6/20

Syed Hussain, Alan Boudreault5

3/27/20

Materialized Views with cqlengine

Alright that makes sense. Thanks so much for your help, I appreciate it! On Friday, March 27, 2020 at

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Materialized Views with cqlengine

Alright that makes sense. Thanks so much for your help, I appreciate it! On Friday, March 27, 2020 at

3/27/20

Pankaj Kumar, Alan Boudreault4

2/6/20

Cassandra-driver acquiring tstate_lock in python3.6/threading.py while doing cluster.connect and got stuck forever

Could you create a small test case script that I can run here? without mockcassandra, only the driver

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Cassandra-driver acquiring tstate_lock in python3.6/threading.py while doing cluster.connect and got stuck forever

Could you create a small test case script that I can run here? without mockcassandra, only the driver

2/6/20

1/21/20

[Release] DataStax Python DSE Driver 2.11.1

Hello, Today we've released Python DSE Driver 2.11.1. This patch release fixes a number of issues

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[Release] DataStax Python DSE Driver 2.11.1

Hello, Today we've released Python DSE Driver 2.11.1. This patch release fixes a number of issues

1/21/20

Alan Boudreault

1/15/20

[Release] DataStax Python Driver 3.21.0 for Apache Cassandra

Hi, Today we've released Python Driver 3.21.0 for Apache Cassandra. This release marks an

unread,

[Release] DataStax Python Driver 3.21.0 for Apache Cassandra

Hi, Today we've released Python Driver 3.21.0 for Apache Cassandra. This release marks an

1/15/20

Eduardo Alfaia, … Anal Nadgouda5

12/26/19

Unable to connect to any servers

actually setting load_balancing_policy=DCAwareRoundRobinPolicy(host_ip) in Cluster() api has resolved

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Unable to connect to any servers

actually setting load_balancing_policy=DCAwareRoundRobinPolicy(host_ip) in Cluster() api has resolved

12/26/19

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