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sijie/compatibility-check-strategies.md

Last active July 9, 2019 07:34
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Pulsar schema compatibility check strategies
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compatibility-check-strategies.md
Compatibility Check Strategy Changes allowed Check against which schemas Upgrade first
ALWAYS_INCOMPATIBLE All changes are disabled All previous versions None
ALWAYS_COMPATIBLE All changes are allowed Compatibility checking disabled Depends
BACKWARD Delete fields; Add optional fields Latest version Consumers
BACKWARD_TRANSITIVE Delete fields; Add optional fields All previous versions Consumers
FORWARD Add fields; Delete optional fields Latest version Producers
FORWARD_TRANSITIVE Add fields; Delete optional fields All previous versions Producers
FULL Modify optional fields Latest version Any order
FULL_TRANSITIVE Modify optional fields All previous versions Any order
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