3.3.3/vm.args - couchdb-docker - Git at Google

 # Licensed under the Apache License, Version 2.0 (the "License"); you may not
 # use this file except in compliance with the License. You may obtain a copy of
 # the License at
 #
 #   http://www.apache.org/licenses/LICENSE-2.0
 #
 # Unless required by applicable law or agreed to in writing, software
 # distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 # WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 # License for the specific language governing permissions and limitations under
 # the License.

 # Ensure that the Erlang VM listens on a known port
 -kernel inet_dist_listen_min 9100
 -kernel inet_dist_listen_max 9100

 # Tell kernel and SASL not to log anything
 -kernel error_logger silent
 -sasl sasl_error_logger false

 # This will toggle to true in Erlang 25+. However since we don't use global
 # any longer, and have our own auto-connection module, we can keep the
 # existing global behavior to avoid surprises. See
 # https://github.com/erlang/otp/issues/6470#issuecomment-1337421210 for more
 # information about possible increased coordination and messages being sent on
 # disconnections when this setting is enabled.
 #
 -kernel prevent_overlapping_partitions false

 # Increase the pool of dirty IO schedulers from 10 to 16
 # Dirty IO schedulers are used for file IO.
 +SDio 16

 # Increase distribution buffer size from default of 1MB to 32MB. The default is
 # usually a bit low on busy clusters. Has no effect for single-node setups.
 # The unit is in kilobytes.
 +zdbbl 32768

 # When running on Docker, Kubernetes or an OS using CFS (Completely Fair
 # Scheduler) with CPU quota limits set, disable busy waiting for schedulers to
 # avoid busy waiting consuming too much of Erlang VM's CPU time-slice shares.
 +sbwt none
 +sbwtdcpu none
 +sbwtdio none

 # Comment this line out to enable the interactive Erlang shell on startup
 +Bd -noinput
	# Licensed under the Apache License, Version 2.0 (the "License"); you may not
	# use this file except in compliance with the License. You may obtain a copy of
	# the License at
	#
	# http://www.apache.org/licenses/LICENSE-2.0
	#
	# Unless required by applicable law or agreed to in writing, software
	# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
	# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
	# License for the specific language governing permissions and limitations under
	# the License.

	# Ensure that the Erlang VM listens on a known port
	-kernel inet_dist_listen_min 9100
	-kernel inet_dist_listen_max 9100

	# Tell kernel and SASL not to log anything
	-kernel error_logger silent
	-sasl sasl_error_logger false

	# This will toggle to true in Erlang 25+. However since we don't use global
	# any longer, and have our own auto-connection module, we can keep the
	# existing global behavior to avoid surprises. See
	# https://github.com/erlang/otp/issues/6470#issuecomment-1337421210 for more
	# information about possible increased coordination and messages being sent on
	# disconnections when this setting is enabled.
	#
	-kernel prevent_overlapping_partitions false

	# Increase the pool of dirty IO schedulers from 10 to 16
	# Dirty IO schedulers are used for file IO.
	+SDio 16

	# Increase distribution buffer size from default of 1MB to 32MB. The default is
	# usually a bit low on busy clusters. Has no effect for single-node setups.
	# The unit is in kilobytes.
	+zdbbl 32768

	# When running on Docker, Kubernetes or an OS using CFS (Completely Fair
	# Scheduler) with CPU quota limits set, disable busy waiting for schedulers to
	# avoid busy waiting consuming too much of Erlang VM's CPU time-slice shares.
	+sbwt none
	+sbwtdcpu none
	+sbwtdio none

	# Comment this line out to enable the interactive Erlang shell on startup
	+Bd -noinput