4 Very Different Ways to Migrate Your Data From One Cluster to Another

Data migration, an often encountered task in managing OpenSearch in production, can be complex when managing data at scale. This talk discusses four diverse methods to migrate data between clusters: Cross Cluster Replication, Snapshot/Restore, Reindexing, and a method known as “The Node Toss”. We explore what happens “under the hood”, weigh the pros and cons of each approach, and suggest when each method should be employed.