akka-projection
akka-projection copied to clipboard
Support MergeableOffset in CassandraOffsetStore to support KafkaSourceProvider
Even though Cassandra doesn't support transactional writes it still makes sense to support writing Kafka offsets (MergeableOffset) for at least once and at most once semantics.
See https://github.com/akka/akka-projection/pull/80#discussion_r419739029 for discussion.