Try the following chain spec (it uses Modify-overwrite instead of Shift): [ { "operation": "modify-overwrite-beta", "spec": { "effectiveStart": "=toString", "effectiveEnd": "=toString" } } ] That will preserve all other fields, but change the values of effectiveStart/End to strings ... View more

If you're using a DistributedMapCacheServer, you can set a "Persistence Directory" and it will store the cache to disk, so it will be available on restart. DistributedMapCacheServers are started on each node in a cluster, but your DistributedMapCacheClientService provides the hostname and port to only one of them. They do not coordinate to keep the same data, so you will want all your clients (for put and get) to point to the same instance of the server. Since you really just want the information from Cassandra, please feel free to file a New Feature Jira to add a CassandraMapCacheServer, then you could fetch the data directly from Cassandra. ... View more