src/config/services.rst

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.. highlight:: ini

=========================
CouchDB Internal Services
=========================

.. _config/daemons:

CouchDB Daemonized Mini Apps
============================

.. config:section:: daemons :: CouchDB Daemonized Mini Apps

    .. config:option:: 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, []}

    .. config:option:: external_manager

        `External` processes manager::

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

    .. config:option:: httpd

        Node-local HTTP server daemon (default port: `5986`)::

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

    .. config:option:: 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, []}

    .. config:option:: query_servers

        :ref:`Query servers <config/query_servers>` manager::

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

    .. config:option:: replicator_manager

        Replications manager::

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

    .. config:option:: stats_aggregator

        Runtime statistics aggregator::

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

    .. config:option:: stats_collector

        Runtime statistics collector::

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

    .. config:option:: uuids

        :ref:`UUIDs <config/uuids>` generator daemon::

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

    .. config:option:: vhosts

        :ref:`Virtual hosts <config/vhosts>` manager. Provides dynamic add of
        vhosts without restart, wildcards support and dynamic routing via
        pattern matching ::

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