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Enable package management service

Package management service enables both version management and simplified upgrade/rollback processes for functions, sinks, and sources. When using the same function, sink, and source in different namespaces, you can upload them to a common package management system.

With the package management service enabled, you can upload your function package to the service and get the package URL. Thus you can create the function by setting --jar, --py, or --go to the package URL.

By default, the package management service is disabled. To enable it in your cluster, set the properties in the conf/broker.conf file as follows.


To ensure high availability in a production deployment (a cluster with multiple brokers), set packagesReplicas to equal the number of bookies. The default value 1 is only for one-node cluster deployment.