Jeremiah Jordan created CASSANDRA-6732:
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Summary: Cross DC writes not compatible 1.2->1.1 during rolling
upgrade
Key: CASSANDRA-6732
URL: https://issues.apache.org/jira/browse/CASSANDRA-6732
Project: Cassandra
Issue Type: Bug
Components: Core
Reporter: Jeremiah Jordan
During a rolling upgrade from 1.1.12 to 1.2.15 one DC at a time only 1/3 of the
writes to the first DC to be upgraded actually make it to the other DC, and
LOTS of hints attempt to get made.
Looks like the header for forwarded writes changed from 1.1->1.2 so the 1.1
nodes can't read it.
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