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Release Notes

6.0.0

Features

  • Added support for asynchronous replication to a remote DC with processes in a single cluster. This improves on the asynchronous replication offered by fdbdr because servers can fetch data from the remote DC if all replicas have been lost in one DC.
  • Added support for synchronous replication of the transaction log to a remote DC. This remote DC does not need to contain any storage servers, meaning you need much fewer servers in this remote DC.

Performance

  • Transaction logs do not copy mutations from previous generations of transaction logs. (PR #339)
  • Load balancing temporarily avoids communicating with storage servers that have fallen behind.
  • Avoid assigning storage servers responsiblity for keys they do not have.

Fixes

  • Not all endpoint failures were reported to the failure monitor.
  • Watches registered on a lagging storage server would take a long time to trigger.
  • The cluster controller would not start a new generation until it recovered its files from disk.

Other Changes

  • Does not support upgrades from any version older than 5.0.

Earlier release notes