Abhishek Rawat created IMPALA-12060:
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Summary: statestore should only allow a single catalog instance to
be part of cluster
Key: IMPALA-12060
URL: https://issues.apache.org/jira/browse/IMPALA-12060
Project: IMPALA
Issue Type: Bug
Reporter: Abhishek Rawat
Assignee: Abhishek Rawat
Today Impala doesn't support multiple catalogd instances to be part of the
cluster. When using external Active Passive HA mechanisms like leader election,
it may be possible for multiple catalog replicas to be part of the cluster, in
some cases. This is mainly because catalogds have no idea that there are other
catalogd instances. One way to address this issue could be for statestore to
always ensure that there could only be a single instance of catalogd in the
cluster.
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