congress/releasenotes/notes/haht-replicated-pe-affb7dcf...

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prelude: >
Congress now supports high-availability and high-query-throughput
deployments with load-balanced policy engines and warm-standby data-source
drivers.
features:
- Added support for replicated (load-balanced) policy engines for
high-availability and high-query-throughput deployments. See HA-Overview
and HA-Deployment documentation for more information.
- Added support for warm-standby data-source drivers managed by Pacemaker.
See HA-Overview and HA-Deployment documentation for more information.
upgrade:
- Added a new database table dstabledata to persist pushed data from
a datasource. Necessary migration scripts are included in
congress/db/migration/