Question 1

How do I set up a Cassandra cluster with docker-cassandra for local testing?

Accepted Answer

Clone the repo, install pipework, build the Cassandra image with 'make image', then use start-cluster.sh with the version and node count. The README provides a step-by-step example for Cassandra 2.0.3.

Question 2

Does docker-cassandra work with Cassandra 3.0 or 4.0?

Accepted Answer

No, the project only supports Cassandra 1.2 and 2.0 versions as per the README. For newer versions, you'd need to modify the Dockerfile and scripts manually, which isn't documented.

Question 3

How can I access the Cassandra cluster from my application outside Docker?

Accepted Answer

Use the mapped ports from 'docker ps' (e.g., 49332->9160) for Thrift access, or run client.sh to create a container with network access. However, external connectivity requires additional networking configuration not covered in detail.

Question 4

docker-cassandra vs official Cassandra Docker image: which is better?

Accepted Answer

docker-cassandra simplifies multi-node clustering and networking with scripts, while the official image is single-node focused and updated for newer versions. Choose this for quick cluster testing; use the official image for production or latest features.

Question 5

How to run cqlsh with docker-cassandra?

Accepted Answer

Use './client.sh 2.0.3 cqlsh -h cass1' after starting the cluster, as client.sh provides network access to run Cassandra tools from a container, as shown in the README example.

Question 6

Can I use docker-cassandra in a CI/CD pipeline?

Accepted Answer

Possibly, but the sudo requirement and manual pipework setup make it tricky. You'd need to ensure pipework is installed and manage privileges, which might not fit well with automated environments.

Question 7

How do I persist data in docker-cassandra containers?

Accepted Answer

The README doesn't cover data persistence; containers are ephemeral by default. You'd need to modify the Dockerfile or scripts to mount volumes, which isn't supported out-of-the-box.

Docker-Cassandra

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