SetCacheServer¶

Description¶

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.

Tags¶

cache, distinct, distributed, server, set

Properties¶

In the list below required Properties are shown with an asterisk (*). Other properties are considered optional. The table also indicates any default values, and whether a property supports the NiFi Expression Language.

Display Name	API Name	Default Value	Allowable Values	Description
Eviction Strategy *	Eviction Strategy	Least Frequently Used	Least Frequently Used Least Recently Used First In, First Out	Determines which strategy should be used to evict values from the cache to make room for new entries
Maximum Cache Entries *	Maximum Cache Entries	10000		The maximum number of cache entries that the cache can hold
Persistence Directory	Persistence Directory			If specified, the cache will be persisted in the given directory; if not specified, the cache will be in-memory only
Port *	Port	4557		The port to listen on for incoming connections
SSL Context Service	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
Maximum Read Size	maximum-read-size	1 MB		The maximum number of network bytes to read for a single cache item

State management¶

This component does not store state.

Restricted¶

This component is not restricted.

System Resource Considerations¶

This component does not specify system resource considerations.