3.12. CouchDB Internal Services

3.12.1. CouchDB Daemonized Mini Apps

[daemons]
auth_cache

This daemon provides authentication caching to avoid repeated opening and closing of the _users database for each request requiring authentication:

[daemons]
auth_cache={couch_auth_cache, start_link, []}
compaction_daemon

Automatic compaction daemon:

[daemons]
compaction_daemon={couch_compaction_daemon, start_link, []}
external_manager

External processes manager:

[daemons]
external_manager={couch_external_manager, start_link, []}
httpd

HTTP server daemon:

[daemons]
httpd={couch_httpd, start_link, []}
httpsd

Provides SSL support. The default ssl port CouchDB listens on is 6984:

[daemons]
httpsd = {couch_httpd, start_link, [https]}
index_server

The couch_index application is responsible for managing all of the different types of indexers. This manages the process handling for keeping track of the index state as well as managing the updater and compactor handling:

[daemons]
index_server={couch_index_server, start_link, []}
os_daemons

OS Daemons manager:

[daemons]
os_daemons={couch_os_daemons, start_link, []}
query_servers

Query servers manager:

[daemons]
query_servers={couch_query_servers, start_link, []}
replicator_manager

Replications manager:

[daemons]
replicator_manager={couch_replicator_manager, start_link, []}
stats_aggregator

Runtime statistics aggregator:

[daemons]
stats_aggregator={couch_stats_aggregator, start, []}
stats_collector

Runtime statistics collector:

[daemons]
stats_collector={couch_stats_collector, start, []}
uuids

UUIDs generator daemon:

[daemons]
uuids={couch_uuids, start, []}
vhosts

Virtual hosts manager. Provides dynamic add of vhosts without restart, wildcards support and dynamic routing via pattern matching

[daemons]
vhosts={couch_httpd_vhost, start_link, []}

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