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  • Synchronous replication is recommended when data loss is critical (for example, for order processing).
  • Asynchronous replication is recommended when performance is very important while clear data is not essential, or data can be restored for other sources (for example, for market data processing).

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The Replication service uses the Aeron transport for transmitting data to backup instances. In the synchronous mode, the storage sends notifications about every operation to the backups and waits for acknowledgment. It blocks calling the thread until it has received acknowledgment or the predefined timeout expires.

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