Provides a set (collection of unique values) cache that can be accessed over a socket. Interaction with this service is typically accomplished via a DistributedSetCacheClient service.
distributed, set, distinct, cache, server
In the list below, the names of required properties appear in bold. Any other properties (not in bold) are considered optional. The table also indicates any default values, whether a property supports the NiFi Expression Language, and whether a property is considered "sensitive", meaning that its value will be encrypted. Before entering a value in a sensitive property, ensure that the nifi.properties file has an entry for the property nifi.sensitive.props.key.
Name | Default Value | Valid Values | Description |
---|---|---|---|
Port | 4557 | The port to listen on for incoming connections | |
Maximum Cache Entries | 10000 | The maximum number of cache entries that the cache can hold | |
Eviction Strategy | Least Frequently Used |
| Determines which strategy should be used to evict values from the cache to make room for new entries |
Persistence Directory | If specified, the cache will be persisted in the given directory; if not specified, the cache will be in-memory only | ||
SSL Context Service | If specified, this service will be used to create an SSL Context that will be used to secure communications; if not specified, communications will not be secure |