DataStax C++ Driver for Apache Cassandra User Mailing List

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Welcome to the DataStax C++ Driver for Apache Cassandra mailing list - a place for announcements, to share ideas, and give feedback.

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Pavel, … Bret McGuire3

Jan 12

Speculative executions, retries and read / write timeouts

Hey Dakshita, thanks for the question! I thought it might be useful to add a reply to Pavel's

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Speculative executions, retries and read / write timeouts

Hey Dakshita, thanks for the question! I thought it might be useful to add a reply to Pavel's

Jan 12

Bret McGuire

10/26/23

[Release] OSS 2.17.1

Greetings all! Today I'm pleased to announce the release of version 2.17.1 of the DataStax C/C++

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[Release] OSS 2.17.1

Greetings all! Today I'm pleased to announce the release of version 2.17.1 of the DataStax C/C++

10/26/23

大久保翔平, Bret McGuire9

9/29/23

Support for openssl3.x

Happy to help Shohei! For the record, while looking into this issue for CPP-990 it became clear that

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Support for openssl3.x

Happy to help Shohei! For the record, while looking into this issue for CPP-990 it became clear that

9/29/23

Carl Colena (BLOOMBERG/ 731 LEX), Bret McGuire2

9/22/23

Threading bugs found in cpp driver

Thanks for reporting both these issues Carl and for the detailed analysis that went into both reports

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Threading bugs found in cpp driver

Thanks for reporting both these issues Carl and for the detailed analysis that went into both reports

9/22/23

Deepti Sharma, Bret McGuire2

8/9/23

datastax driver C++ queries

Hey Deepti, thanks for the question! It looks like this change came in with CPP-745 which introduced

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datastax driver C++ queries

Hey Deepti, thanks for the question! It looks like this change came in with CPP-745 which introduced

8/9/23

Bret McGuire

8/8/23

[Release] OSS 2.17.0

Greetings all! Today I'm pleased to announce the release of version 2.17.0 of the DataStax C/C++

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[Release] OSS 2.17.0

Greetings all! Today I'm pleased to announce the release of version 2.17.0 of the DataStax C/C++

8/8/23

Deepti Sharma3

3/29/23

Query on CPP driver

Hello Team, Please help here. Regards Deepti On Thursday, March 23, 2023 at 10:20:38 AM UTC+5:30

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Query on CPP driver

Hello Team, Please help here. Regards Deepti On Thursday, March 23, 2023 at 10:20:38 AM UTC+5:30

3/29/23

Patrick L, Bret McGuire3

2/15/23

UDT type validation bottlenecking Cassandra writes in cpp-driver

Hi Bret, thank you for the response! Thank you also for creating the issue to track this item.

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UDT type validation bottlenecking Cassandra writes in cpp-driver

Hi Bret, thank you for the response! Thank you also for creating the issue to track this item.

2/15/23

Deepti Sharma, Bret McGuire2

1/3/23

DataStax C/C++ Driver latest version 2.16 is also compatible with application(C++98)

Thanks for the question Deepti! If you use gcc or clang and have specified CASS_USE_STD_ATOMIC you

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DataStax C/C++ Driver latest version 2.16 is also compatible with application(C++98)

Thanks for the question Deepti! If you use gcc or clang and have specified CASS_USE_STD_ATOMIC you

1/3/23

Matt Massicotte

12/22/22

Hosts unavailable when used with AWS Keyspaces

Hello everyone! I'm trying out this driver by way of Apple's newly-release Swift wrapper:

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Hosts unavailable when used with AWS Keyspaces

Hello everyone! I'm trying out this driver by way of Apple's newly-release Swift wrapper:

12/22/22

W N, Bret McGuire2

12/6/22

C++ Driver Compatibility with Cassandra 3.11.x

Thanks for the message! The current version of the C++ driver supports CQL protocol version 4 (and 3)

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C++ Driver Compatibility with Cassandra 3.11.x

Thanks for the message! The current version of the C++ driver supports CQL protocol version 4 (and 3)

12/6/22

Ahmed Eljami, Bret McGuire2

12/6/22

Cassandra-4 Compatbility

Thanks for your message! My apologies, I missed this when it originally came through. Protocol

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Cassandra-4 Compatbility

Thanks for your message! My apologies, I missed this when it originally came through. Protocol

12/6/22

David Grinberg, Michael Penick2

8/5/22

Authenticator callbacks are not working

Are you sure you have authentication enabled on your cassandra cluster? Modified with logging: ```

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Authenticator callbacks are not working

Are you sure you have authentication enabled on your cassandra cluster? Modified with logging: ```

8/5/22

Randy Klingenberg, Michael Penick2

8/4/22

cass_value_get_string returns not null terminated strings should be documented. Spent quite a bit of time on this one.

Sorry you ran into that issue. You're right that should be documented. I'll create an issue

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cass_value_get_string returns not null terminated strings should be documented. Spent quite a bit of time on this one.

Sorry you ran into that issue. You're right that should be documented. I'll create an issue

8/4/22

Volker Kleinfeld

8/3/22

Busy Loop in cassandra driver thread

Hello, we are experiencing busy loops in the cassandra driver threads. The Cassandra driver version

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Busy Loop in cassandra driver thread

Hello, we are experiencing busy loops in the cassandra driver threads. The Cassandra driver version

8/3/22

Bret McGuire

12/8/21

[Release] OSS 2.16.2

This patch release addresses an issue with SNI events and cleans up an issue on event loop shutdown

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[Release] OSS 2.16.2

This patch release addresses an issue with SNI events and cleans up an issue on event loop shutdown

12/8/21

Keith Lu, … Asif Iqbal K A7

8/12/21

keep printing warning msg if cassandra restart with IP changes

Hi Michael, Any clue about this issue. On Thursday, July 1, 2021 at 1:09:27 PM UTC+5:30 Asif Iqbal KA

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keep printing warning msg if cassandra restart with IP changes

Hi Michael, Any clue about this issue. On Thursday, July 1, 2021 at 1:09:27 PM UTC+5:30 Asif Iqbal KA

8/12/21

Ben Bromhead

8/8/21

Packages for Ubuntu 20.04 LTS

Hi Folks Currently deb packages for up to Ubuntu 18.04 LTS are being built and published. Is there

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Packages for Ubuntu 20.04 LTS

Hi Folks Currently deb packages for up to Ubuntu 18.04 LTS are being built and published. Is there

8/8/21

Jacob Gannon

5/27/21

Cassandra Driver Throttling

Hello, We are currently using the driver to issue lots of asynchronous queries, and have been very

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Cassandra Driver Throttling

Hello, We are currently using the driver to issue lots of asynchronous queries, and have been very

5/27/21

Michael Penick

4/7/21

Moving to C++11/14

Are there any objections to allowing the use of C++11 or C++14 features in the internal

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Moving to C++11/14

Are there any objections to allowing the use of C++11 or C++14 features in the internal

4/7/21

Michael Penick

4/5/21

[Release] OSS 2.16.1

This patch release fixes an issue with latency-aware routing. Issue Summary Type CPP-935 Latency

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[Release] OSS 2.16.1

This patch release fixes an issue with latency-aware routing. Issue Summary Type CPP-935 Latency

4/5/21

Michael Penick

3/11/21

[Release] OSS 2.16.0 (updated)

This minor release adds one small feature and fixes several issues. It's recommended that users

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[Release] OSS 2.16.0 (updated)

This minor release adds one small feature and fixes several issues. It's recommended that users

3/11/21

Michael Penick

3/11/21

[Release] OSS 2.16.0

This minor release adds one small feature and fixes several issues. It's recommended that users

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[Release] OSS 2.16.0

This minor release adds one small feature and fixes several issues. It's recommended that users

3/11/21

Pydi Prasanna Sai Kamanuru

11/16/20

Unit Testing DAL written with the cpp driver

Hi Team, Are there examples on how we unit test the data access layer written using the cpp driver ?

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Unit Testing DAL written with the cpp driver

Hi Team, Are there examples on how we unit test the data access layer written using the cpp driver ?

11/16/20

pfre...@gmail.com, … Michael Penick3

9/8/20

Meaning of maintenance mode and how it affects futher Cassandra releases

Other than protocol v5 (checksum) there aren't any features that cpp-driver doesn't support

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Meaning of maintenance mode and how it affects futher Cassandra releases

Other than protocol v5 (checksum) there aren't any features that cpp-driver doesn't support

9/8/20

Alex, … Michael Penick4

7/28/20

Issue upgrading from 2.14.1 to 2.15.2 when negotiating versions.aha..

These logs are unnecessary noise. I've created a pull request to fix this: https://github.com/

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Issue upgrading from 2.14.1 to 2.15.2 when negotiating versions.aha..

These logs are unnecessary noise. I've created a pull request to fix this: https://github.com/

7/28/20

Michael Penick

7/22/20

[Release] OSS 2.15.3

This patch release fixes an issue when connecting to a server that uses TLS 1.3. This mostly affects

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[Release] OSS 2.15.3

This patch release fixes an issue when connecting to a server that uses TLS 1.3. This mostly affects

7/22/20

Fero, … Tamal Adhikary5

6/5/20

[release] OSS C/C++ v2.15.1 and DSE C/C++ v1.10.2 Patch Releases

I think it works. The query was: const CassValue* value = cass_row_get_column_by_name(row, "

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[release] OSS C/C++ v2.15.1 and DSE C/C++ v1.10.2 Patch Releases

I think it works. The query was: const CassValue* value = cass_row_get_column_by_name(row, "

6/5/20

Yuval Shteinitz, Fero3

3/3/20

Building Driver Binaries for use with OpenSSL 1.1.1

Thank you, Fero. It turns out my issue was due to the following: I was building on Ubuntu 16.04, and

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Building Driver Binaries for use with OpenSSL 1.1.1

Thank you, Fero. It turns out my issue was due to the following: I was building on Ubuntu 16.04, and

3/3/20

Robin Mahony, Michael Penick3

2/27/20

Cpp driver crash when schema agreement not met within 10 seconds

Forgot the stacktrace: #5 <signal handler called> #6 0x00007f4d62d8e395 in datastax::internal::

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Cpp driver crash when schema agreement not met within 10 seconds

Forgot the stacktrace: #5 <signal handler called> #6 0x00007f4d62d8e395 in datastax::internal::

2/27/20