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stream.conf
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stream.conf
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# netdata configuration for aggregating data from remote hosts
#
# API keys authorize a pair of sending-receiving netdata servers.
# Once their communication is authorized, they can exchange metrics for any
# number of hosts.
#
# You can generate API keys, with the linux command: uuidgen
# -----------------------------------------------------------------------------
# 1. ON SLAVE NETDATA - THE ONE THAT WILL BE SENDING METRICS
[stream]
# Enable this on slaves, to have them send metrics.
enabled = no
# Where is the receiving netdata?
# A space separated list of:
#
# [PROTOCOL:]HOST[%INTERFACE][:PORT]
#
# If many are given, the first available will get the metrics.
#
# PROTOCOL = tcp, udp, or unix (only tcp and unix are supported by masters)
# HOST = an IPv4, IPv6 IP, or a hostname, or a unix domain socket path.
# IPv6 IPs should be given with brackets [ip:address]
# INTERFACE = the network interface to use (only for IPv6)
# PORT = the port number or service name (/etc/services)
#
# This communication is not HTTP (it cannot be proxied by web proxies).
destination =
# The API_KEY to use (as the sender)
api key =
# The timeout to connect and send metrics
timeout seconds = 60
# If the destination line above does not specify a port, use this
default port = 19999
# filter the charts to be streamed
# netdata SIMPLE PATTERN:
# - space separated list of patterns (use \ to include spaces in patterns)
# - use * as wildcard, any number of times within each pattern
# - prefix a pattern with ! for a negative match (ie not stream the charts it matches)
# - the order of patterns is important (left to right)
# To send all except a few, use: !this !that * (ie append a wildcard pattern)
send charts matching = *
# The buffer to use for sending metrics.
# 1MB is good for 10-20 seconds of data, so increase this if you expect latencies.
# The buffer is flushed on reconnects (this will not prevent gaps at the charts).
buffer size bytes = 1048576
# If the connection fails, or it disconnects,
# retry after that many seconds.
reconnect delay seconds = 5
# Sync the clock of the charts for that many iterations, when starting.
initial clock resync iterations = 60
# -----------------------------------------------------------------------------
# 2. ON MASTER NETDATA - THE ONE THAT WILL BE RECEIVING METRICS
# You can have one API key per slave,
# or the same API key for all slaves.
#
# netdata searches for options in this order:
#
# a) master netdata settings (netdata.conf)
# b) [stream] section (above)
# c) [API_KEY] section (below, settings for the API key)
# d) [MACHINE_GUID] section (below, settings for each machine)
#
# You can combine the above (the more specific setting will be used).
# API key authentication
# If the key is not listed here, it will not be able to push metrics.
# [API_KEY] is [YOUR-API-KEY], i.e [11111111-2222-3333-4444-555555555555]
[API_KEY]
# Default settings for this API key
# You can disable the API key, by setting this to: no
# The default (for unknown API keys) is: no
enabled = no
# A list of simple patterns matching the IPs of the servers that
# will be pushing metrics using this API key.
# The metrics are received via the API port, so the same IPs
# should also be matched at netdata.conf [web].allow connections from
allow from = *
# The default history in entries, for all hosts using this API key.
# You can also set it per host below.
# If you don't set it here, the history size of the central netdata
# will be used.
default history = 3600
# The default memory mode to be used for all hosts using this API key.
# You can also set it per host below.
# If you don't set it here, the memory mode of netdata.conf will be used.
# Valid modes:
# save save on exit, load on start
# map like swap (continuously syncing to disks - you need SSD)
# ram keep it in RAM, don't touch the disk
# none no database at all (use this on headless proxies)
default memory mode = ram
# Shall we enable health monitoring for the hosts using this API key?
# 3 possible values:
# yes enable alarms
# no do not enable alarms
# auto enable alarms, only when the sending netdata is connected
# You can also set it per host, below.
# The default is taken from [health].enabled of netdata.conf
health enabled by default = auto
# postpone alarms for a short period after the sender is connected
default postpone alarms on connect seconds = 60
# allow or deny multiple connections for the same host?
# If you are sure all your netdata have their own machine GUID,
# set this to 'allow', since it allows faster reconnects.
# When set to 'deny', new connections for a host will not be
# accepted until an existing connection is cleared.
multiple connections = allow
# need to route metrics differently? set these.
# the defaults are the ones at the [stream] section (above)
#default proxy enabled = yes | no
#default proxy destination = IP:PORT IP:PORT ...
#default proxy api key = API_KEY
#default proxy send charts matching = *
# -----------------------------------------------------------------------------
# 3. PER SENDING HOST SETTINGS, ON MASTER NETDATA
# THIS IS OPTIONAL - YOU DON'T HAVE TO CONFIGURE IT
# This section exists to give you finer control of the master settings for each
# slave host, when the same API key is used by many netdata slaves / proxies.
#
# Each netdata has a unique GUID - generated the first time netdata starts.
# You can find it at /var/lib/netdata/registry/netdata.public.unique.id
# (at the slave).
#
# The host sending data will have one. If the host is not ephemeral,
# you can give settings for each sending host here.
[MACHINE_GUID]
# enable this host: yes | no
# When disabled, the master will not receive metrics for this host.
# THIS IS NOT A SECURITY MECHANISM - AN ATTACKER CAN SET ANY OTHER GUID.
# Use only the API key for security.
enabled = no
# A list of simple patterns matching the IPs of the servers that
# will be pushing metrics using this MACHINE GUID.
# The metrics are received via the API port, so the same IPs
# should also be matched at netdata.conf [web].allow connections from
# and at stream.conf [API_KEY].allow from
allow from = *
# The number of entries in the database
history = 3600
# The memory mode of the database: save | map | ram | none
memory mode = save
# Health / alarms control: yes | no | auto
health enabled = yes
# postpone alarms when the sender connects
postpone alarms on connect seconds = 60
# allow or deny multiple connections for the same host?
# If you are sure all your netdata have their own machine GUID,
# set this to 'allow', since it allows faster reconnects.
# When set to 'deny', new connections for a host will not be
# accepted until an existing connection is cleared.
multiple connections = allow
# need to route metrics differently?
# the defaults are the ones at the [API KEY] section
#proxy enabled = yes | no
#proxy destination = IP:PORT IP:PORT ...
#proxy api key = API_KEY
#proxy send charts matching = *