Open source for contributions from a community of software developers. See the public DSBulk Loader GitHub repo: https://github.com/datastax/dsbulk.

CSV and JSON are supported formats, and optionally you can load or unload the data from or to compressed files.

Files, directories, stdin/stdout, and web URLs can be used for either source or destination.

Performance improvements of 2-3 times faster compared to cqlsh COPY, due to multi-threaded operation.

Connect to a cloud-native Astra DB database by including the path to the secure connect bundle (SCB). You can download the SCB from Astra console after creating an Astra DB database.

Support in DSBulk Loader 1.11+ for the vector<type, dimension> data type, when used with Astra DB databases created with the Vector Search feature.

DataStax Java driver options are available directly with dsbulk commands via the datastax-java-driver prefix.

Secure authentication via Kerberos or username/password over SSL options.

Configurable data parsing. For instance, date formatting is configurable.

Performance and progress reporting.

Command line tool for both Linux and Windows:

In addition to the dsbulk load and dsbulk unload commands, you can use dsbulk count to return information about loaded records in supported database tables.

Print basic information about the associated cluster when you request verbose logging on the dsbulk command. Refer to Printing cluster information.

Diagnose issues encountered during write operations. Refer to Detection of write failures.

Resume a failed operation by using checkpoint files.