Dan Burkert created KUDU-2574:
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Summary: add unique Cluster ID to Kudu cluster instances
Key: KUDU-2574
URL: https://issues.apache.org/jira/browse/KUDU-2574
Project: Kudu
Issue Type: Improvement
Components: client, master
Affects Versions: 1.7.1
Reporter: Dan Burkert
The Kudu/HMS integration currently assumes that any Kudu table entry in the HMS
(as identified by the Kudu storage handler) belongs to the Kudu cluster
instance. It seems increasingly likely that we will need to support
deployments where a single HMS is shared among multiple Kudu cluster instances.
In order to disambiguate the HMS entries, we could introduce a unique
per-cluster ID and add it to the HMS entries. The cluster ID would be written
durably to the master's sys catalog during startup. Eventually we would want
tools and client APIs to inspect the cluster ID.
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