Versions Compared

Old Version 10

changes.mady.by.user Barry Oglesby

Saved on

compared with

New Version 11

changes.mady.by.user Diane Hardman

Saved on

Key

  • This line was added.
  • This line was removed.
  • Formatting was changed.

...

The WAN replication feature allows 2 remote data centers, or 2 availability zones, to maintain data consistency. In the case where one data center cannot process incoming events for any reason, the other data center should retain the failed events so that no data is lost. Currently if data center 1 (DC1) is able to connect to data center 2 (DC2) and send it events, those events are removed from the queue on DC1 when the ack from DC2 is received, regardless of what happens to them on DC2. This behavior is controlled by the internal system property REMOVE_FROM_QUEUE_ON_EXCEPTION which defaults to true. Most common exceptions thrown from a receiving site include:

...