dashDB Local FAQ

Answer

§ Does Docker layer impede the performance of my deployment?

No, Docker is a namespace technology and has zero performance impact. This is validated by tests done in the lab.

§ Are there tuning parameters available for dashDB Local?

User experience of dashDB Local should be the same as dashDB managed services. There are no tuning parameters for dashDB Local.

§ Is there a maximum configuration size / number of nodes?

Yes. the maximum number of nodes supported today is 24 but we are extending the design to expand that to 60 nodes to allow for bigger workloads up to petabytes. Higher storage dense configuration are also possible to store beyond 1 Petabyte as reduced performance characteristics.

§ What is the difference between Docker and VMware?

VMware is virtualization technology, while Docker is the container technology used for simplified packaging and distribution of software. Unlike VMware, Docker does not create an entire virtual operating system (thus making it lightweight to deploy and faster to start up compared to Virtual Machines (VMs)). Docker containers can be created inside VMs to make a solution ultra-portable.

§ Is dashDB local into providing a downloaded container via Fix Central? Please keep in mind that the experience will involve couple of available images outside of Docker public hub?

Yes, for users with Firewall challenges, we are looking additional steps as compare to a single command experience.

§ Is the SPARK setting available as an install time switch, or can I enable and disable spark every time I start the database by changing this?

The SPARK feature can be enabled/disabled any time. You can change the DISABLE_SPARK setting anytime again and just restart dashDB local in the container (docker exec -it dashdb stop/start).

§ Can I upgrade from the GA trial to the production version of dashDB Local?
Yes, you can upgrade/update the post-GA trial version to a production grade version. Once the product is purchased, a permanent license can be applied to update the license.

§ Can dashDB Local be installed on Amazon AWS or Azure/ AWS ?
dashDB Local can be installed on the infrastructure of your choice, as long as that infrastructure supports Docker container technology. dashDB Local is client-managed and can also be installed in your data center and any virtual private cloud infrastructures such as Amazon AWS EC2 or Microsoft Azure platforms.

§ Is Oracle compatibility available in dashDB local?
Yes, Oracle compatibility is supported in dashDB Local. You can enable applications that were written for an Oracle database to use dashDB Local without having to be rewritten.