Sergey Chugunov created IGNITE-28424:
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Summary: Activation of new features during Rolling Upgrade
Key: IGNITE-28424
URL: https://issues.apache.org/jira/browse/IGNITE-28424
Project: Ignite
Issue Type: Epic
Reporter: Sergey Chugunov
Fix For: 2.19
Rolling Upgrade serialization should prevent nodes of different versions from
exchanging messages that a receiver side can not deserialize, leading to node's
failure.
But on a higher level of processors' logic another mechanism is needed to
enable components to determine which feature available on a new node is not
supported by an old node. In other words, new features should not be activated
until Rolling Upgrade is finished, and modified features should work in a mode
compatible with a previous version.
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