Limitations and known issues for IBM Db2 Event Store Enterprise Edition

Use the following information to determine if the problem that you are encountering. is a known issue before contacting IBM Software Support.

Upgrade limitations

You cannot upgrade to IBM® Db2® Event Store Version 2.0 from a previous version of IBM Db2 Event Store. You must install Db2 Event Store Version 2.0. For more information, see Install and set up IBM Db2 Event Store Standalone/IBM Watson Studio deployment.

Database limitations

Keep the following limitations in mind as you develop client applications to work with IBM Db2 Event Store:

You can have only one database in an IBM Db2 Event Store cluster, which is created by Db2 Event Store. This database is named EVENTDB and cannot be dropped.
The IBM Db2 Event Store APIs for inserting data synchronously and asynchronously support only full-row inserts. You cannot insert partial rows. You must specify a value for every column in the table row.
You cannot purge individual entries from the database. If you want to purge data, you must drop the table that contains the entry. You also have the ability to set up Time-to-Live (TTL) on tables.
The Create Database and Drop Database apis are deprecated in Scala, Java and Python clients.

Cluster limitations

This information is specific to a cluster deployment. Your cluster must contain a minimum of 3 nodes and a maximum of 32 nodes. You cannot add additional nodes to your cluster.