Tyler Hobbs created CASSANDRA-11801:
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Summary: Add ability to disable schema changes, repairs,
bootstraps, etc (during upgrades)
Key: CASSANDRA-11801
URL: https://issues.apache.org/jira/browse/CASSANDRA-11801
Project: Cassandra
Issue Type: Improvement
Reporter: Tyler Hobbs
There are a lot of operations that aren't supposed to be run in a mixed version
cluster: schema changes, repairs, topology changes, etc. However, it's easily
possible for these operations to be accidentally run by a script, another user
unaware of the upgrade, or an operator that's not aware of these rules.
We should make it easy to follow the rules by making it possible to
prevent/disable all of these operations through nodetool commands. At the
start of an upgrade, an operator can disable all of these until the upgrade has
been completed.
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