pg_rewind is a tool for synchronizing a PostgreSQL cluster with another copy of the same cluster, after the clusters' timelines have diverged. A typical scenario is to bring an old master server back online after failover, as a standby that follows the new master.
http://www.postgresql.org/docs/9.5/st...
http://hlinnaka.iki.fi/2015/03/23/pg_...
Merci beaucoup à Mozilla pour la captation vidéo
Many Thanks to Mozila for the video recording