Settings

Note

Yimmo has both compile-time and runtime settings.

• Runtime settings have a YIMMO_ prefix.

• Compile-time settings have a YMO_ prefix.

Moving some of the compile-time parameters into the runtime is WIP.

Runtime

Env Var	Description	Default
YIMMO_LOG_LEVEL	Log level (subject to YMO_LOG_LEVEL_MAX below). One of: FATAL, ERROR, WARNING, NOTICE, INFO, DEBUG, or TRACE.	YMO_LOG_LEVEL_DEFAULT
YIMMO_SERVER_IDLE_TIMEOUT	Idle disconnect timeout.	YMO_SERVER_IDLE_TIMEOUT

Compile-Time

configure var	Description	Default
YMO_LOG_LEVEL_MAX	Compile-time log-level max	NOTICE
YMO_LOG_LEVEL_DEFAULT	Compile-time log-level default.	WARNING
YMO_SERVER_IDLE_TIMEOUT	Default connection idle-disconnect timeout.	5
YMO_HTTP_RECV_BUF_SIZE	maximum number of bytes allocated for headers, per-request.	1024
YMO_HTTP_SEND_BUF_SIZE	maximum number of bytes allocated for headers, per-response.	1024
YMO_SERVER_RECV_BUF_SIZE	the server read buffer.	8192
YMO_HTTP_REQ_WS_SIZE	maximum WebSocket message chunk size.	1024
YMO_MQTT_RECV_BUF_SIZE	maximum MQTT received payload size	4096
YMO_BUCKET_MAX_IOVEC	maximum iovec array length for sendmsg()	32