Ariel Weisberg created CASSANDRA-19436:
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Summary: When transitioning to Accord migration it's not safe to
read immediately using Accord due to concurrent non-serial writes
Key: CASSANDRA-19436
URL: https://issues.apache.org/jira/browse/CASSANDRA-19436
Project: Cassandra
Issue Type: Bug
Reporter: Ariel Weisberg
Concurrent writes at the same time that migration starts make it unsafe to read
from Accord because txn recovery will not be deterministic in the presences of
writes not done through Accord.
Adding key migration to non-serial writes could solve this by causing writes
not going through Accord to be rejected at nodes where key migration already
occurred.
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