# Configuration Quick Reference

admins | attachments | chttpd | chttpd_auth | cluster | cors | couch_peruser | couchdb | csp | database_compaction | dreyfus | httpd | ioq | ioq.bypass | jwt_auth | ken | ken.ignore | log | mango | native_query_servers | prometheus | purge | query_server_config | replicator | replicator.shares | resharding | rexi | smoosh | smoosh.<channel> | ssl | stats | uuids | vendor | vhosts | view_compaction

| admins |
| `admins` | Server Administrators
| attachments |
| `attachments` | Configuration of Attachment Storage
| `compressible_types` |
| `compression_level` |
| chttpd |
| `chttpd` | Clustered HTTP Server Options
| `allow_jsonp` | Enables JSONP support
| `authentication_handlers` | Authentication handlers
| `bind_address` | HTTP port IP address binding
| `buffer_response` | Buffered response
| `changes_timeout` | Changes feed timeout
| `config_whitelist` | Config options while list
| `enable_cors` | Activates CORS
| `enable_xframe_options` | Controls X-Frame-Options header
| `max_http_request_size` | Maximum HTTP request body size
| `port` | Listen port
| `prefer_minimal` | Sends minimal set of headers
| `require_valid_user` | Force user authentication
| `require_valid_user_except_for_up` | Force user auth (mostly)
| `secure_rewrites` | Default request handler
| `x_forwarded_host` | X-Forwarder-Host
| `x_forwarded_proto` | X-Forwarder-Proto
| `x_forwarded_ssl` | X-Forwarder-Ssl
| chttpd_auth |
| `chttpd_auth` | Authentication Configuration
| `allow_persistent_cookies` | Persistent cookies
| `auth_cache_size` | Authentication cache
| `authentication_redirect` | Default redirect for authentication requests
| `cookie_domain` | Cookie Domain
| `iterations` | PBKDF2 iterations count
| `max_iterations` | Maximum PBKDF2 iterations count
| `min_iterations` | Minimum PBKDF2 iterations count
| `password_regexp` | Password regular expressions
| `proxy_use_secret` | Force proxy auth to use secret token
| `public_fields` | User documents public fields
| `require_valid_user` | Force user authentication
| `same_site` | SameSite
| `secret` | Authentication secret token
| `timeout` | Session timeout
| `users_db_public` | Publish user documents
| `x_auth_roles` | Proxy Auth roles header
| `x_auth_token` | Proxy Auth token header
| `x_auth_username` | Proxy Auth username header
| cluster |
| `cluster` | cluster Options
| `n` |
| `placement` |
| `q` |
| `seedlist` |
| cors |
| `cors` | Cross-Origin Resource Sharing
| `credentials` |
| `headers` |
| `max_age` |
| `methods` |
| `origins` |
| couch_peruser |
| `couch_peruser` | couch_peruser Options
| `delete_dbs` |
| `enable` |
| `q` |
| couchdb |
| `couchdb` | Base CouchDB Options
| `attachment_stream_buffer_size` | Attachment streaming buffer
| `database_dir` | Databases location directory
| `default_security` | Default security
| `enable_database_recovery` | Enable database recovery
| `file_compression` | Compression method for documents
| `maintenance_mode` | Maintenance mode
| `max_dbs_open` | Limit of simultaneously opened databases
| `max_document_size` | Limit maximum document body size
| `os_process_timeout` | External processes time limit
| `single_node` | Start in single node mode.
| `uri_file` | Discovery CouchDB help file
| `users_db_security_editable` | Protect ``_users`` DB security obj
| `users_db_suffix` | Users database suffix
| `util_driver_dir` | CouchDB binary utility drivers
| `uuid` | CouchDB server UUID
| `view_index_dir` | View indexes location directory
| csp |
| `csp` | Content-Security-Policy
| `attachments_enable` |
| `attachments_header_value` |
| `enable` |
| `header_value` |
| `showlist_enable` |
| `showlist_header_value` |
| `utils_enable` |
| `utils_header_value` |
| database_compaction |
| `database_compaction` | Database Compaction Options
| `checkpoint_after` | Checkpoint trigger
| `doc_buffer_size` | Documents buffer size
| dreyfus |
| `dreyfus` | Search Subsystem Configuration
| `limit` | Default result set limit for global search
| `limit_partitions` | Default result set limit for partitioned DBs
| `max_limit` | Maximum result set for global search
| `max_limit_partitions` | Maximum result set for partitioned search
| `name` | Clouseau JVM node name and location
| `retry_limit` | Maximum number of connection retries
| httpd |
| `httpd` | HTTP Server Options
| `server_options` | MochiWeb Server Options
| `socket_options` | Socket Options
| ioq |
| `ioq` | IO Queue Configuration
| `concurrency` | Number of in-flight IO requests
| `ratio` | Preference for selecting background over interactive IO
| ioq.bypass |
| `ioq.bypass` | Bypass selected IO classes by setting these to true
| `compaction` |
| `os_process` |
| `read` |
| `shard_sync` |
| `view_update` |
| `write` |
| jwt_auth |
| `jwt_auth` | JWT Authentication
| `required_claims` | Mandatory claims in JWT tokens
| ken |
| `ken` | Background Index Builds
| `batch_channels` | Steady-state build concurrency
| `incremental_channels` | Additional slots for short jobs
| `max_incremental_updates` | Threshold defining a job as short
| ken.ignore |
| `ken.ignore` | Auto-Indexing Blocklist
| log |
| `log` | Logging options
| `file` | Logging file path
| `include_sasl` |
| `level` | Logging verbose level
| `syslog_appid` |
| `syslog_facility` |
| `syslog_host` |
| `syslog_port` |
| `write_buffer` |
| `write_delay` |
| `writer` | Set the log writer to use.
| mango |
| `mango` | Mango Configuration
| `default_limit` | Default limit value for Mango queries.
| `index scan warning` |
| `index_all_disabled` | Disable "index all fields" behaviour
| `index_scan_warning_threshold` | Ratio threshold that generates an
| native_query_servers |
| `native_query_servers` | Native Erlang Query Server
| prometheus |
| `prometheus` | Configuration of Prometheus Options
| `additional_port` |
| `bind_address` |
| `port` |
| purge |
| `purge` | Configuration of Database Purge
| `index_lag_warn_seconds` |
| `max_document_id_number` |
| `max_revisions_number` |
| query_server_config |
| `query_server_config` | Query Servers Configuration
| `commit_freq` | View index commit delay
| `limit` |
| `os_process_limit` | Query Server process hard
| `os_process_soft_limit` | Query Server process
| `reduce_limit` | Reduce limit control
| `soft limit` |
| replicator |
| `replicator` | Replicator Database Configuration
| `auth_plugins` |
| `cert_file` |
| `checkpoint_interval` |
| `connection_timeout` |
| `http_connections` |
| `interval` |
| `key_file` |
| `max_churn` |
| `max_history` |
| `max_jobs` |
| `password` |
| `priority_coeff` |
| `retries_per_request` |
| `socket_options` |
| `ssl_certificate_max_depth` |
| `ssl_trusted_certificates_file` |
| `update_docs` |
| `usage_coeff` |
| `use_checkpoints` |
| `verify_ssl_certificates` |
| `worker_batch_size` |
| `worker_processes` |
| replicator.shares |
| `replicator.shares` | Per-Database Fair Share Allocation
| `$replicator_db` |
| resharding |
| `resharding` | Resharding Configuration
| `delete_source` |
| `max_history` |
| `max_jobs` |
| `max_retries` |
| `require_node_param` |
| `require_range_param` |
| `retry_interval_sec` |
| `source_close_timeout_sec` |
| `update_shard_map_timeout_sec` |
| rexi |
| `rexi` | Internal RPC Tuning
| `buffer_count` |
| `server_per_node` |
| `stream_limit` |
| smoosh |
| `smoosh` | Compaction Daemon Rules
| `cleanup_index_files` | Automatically delete orphaned index files
| `db_channels` | Active database channels
| `staleness` | Minimum time between priority calculations
| `view_channels` | Active secondary index channels
| `wait_secs` | Warmup period before triggering first compaction
| smoosh.<channel> |
| `smoosh.<channel>` | Per-channel configuration
| `capacity` |
| `concurrency` |
| `max_priority` |
| `max_size` |
| `min_changes` |
| `min_priority` |
| `min_size` |
| `priority` |
| ssl |
| `ssl` | HTTPS (SSL/TLS) Options
| `cacert_file` | CA Certificate file
| `cert_file` | Certificate file
| `ciphers` | Specify permitted server cipher list
| `fail_if_no_peer_cert` | Require presence of client certificate if certificate verification is enabled
| `key_file` | Certificate key file
| `password` | Certificate key password
| `secure_renegotiate` | Enable secure renegotiation
| `ssl_certificate_max_depth` | Maximum peer certificate depth
| `tls_versions` | Specify permitted server SSL/TLS protocol versions
| `verify_fun` | SSL verification function
| `verify_ssl_certificates` | Enable certificate verification
| stats |
| `stats` | Statistic Calculation
| `interval` |
| uuids |
| `uuids` | UUIDs Configuration
| `algorithm` | Generation Algorithm
| `max_count` | Per-Request UUID Limit
| `utc_id_suffix` | UTC ID Suffix
| vendor |
| `vendor` | Vendor information
| vhosts |
| `vhosts` | Virtual Hosts
| view_compaction |
| `view_compaction` | View Compaction Options
| `keyvalue_buffer_size` | Key-Values buffer size