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C8 provides support for user-definable transactions within a region.

Transactions in C8 within a region are atomic, consistent, isolated, and durable (ACID).

These ACID properties provide the following guarantees:

  • The atomicity principle makes transactions either complete in their entirety or have no effect at all.
  • The consistency principle ensures that no constraints or other invariants will be violated during or after any transaction.
  • The isolation property will hide the modifications of a transaction from other transactions until the transaction commits.
  • Finally, the durability proposition makes sure that operations from transactions that have committed will be made persistent.