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forward vector will use that go sdk as the reference implementation which means the codec might continue to relax the enforcement of the specification json encodes an event as json logfmt encodes an event as a logfmt message native encodes an event in the native protocol buffers format this codec is experimental native_json encodes an event in the native json format this codec is experimental otlp encodes an event in the otlp opentelemetry protocol format this codec uses protobuf encoding which is the recommended format for otlp the output is suitable for sending to otlp compatible endpoints with content type application x protobuf protobuf encodes an event as a protobuf message raw_message no encoding this encoding uses the message field of a log event be careful if you are modifying your log events for example by using a remap transform and removing the message field while doing additional parsing on it as this could lead to the encoding emitting empty strings for the given event syslog syslog encoding rfc 3164 and 5424 are supported text plain text encoding this encoding uses the message field of a log event for metrics it uses an encoding that resembles the prometheus export format be careful if you are modifying your log events for example by using a remap transform and removing the message field while doing additional parsing on it as this could lead to the encoding emitting empty strings for the given event examples avro cef csv gelf json logfmt native native_json otlp protobuf raw_message syslog text encoding csv required object the csv serializer options relevant when codec csv encoding csv capacity optional uint sets the capacity in bytes of the internal buffer used in the csv writer this defaults to 8192 bytes 8kb default 8192 encoding csv delimiter optional ascii_char the field delimiter to use when writing csv default encoding csv double_quote optional bool enables double quote escapes this is enabled by default but you can disable it when disabled quotes in field data are escaped instead of doubled default true encoding csv escape optional ascii_char the escape character to use when writing csv in some variants of csv quotes are escaped using a special escape character like instead of escaping quotes by doubling them to use this double_quotes needs to be disabled as well otherwise this setting is ignored default encoding csv fields required string configures the fields that are encoded as well as the order in which they appear in the output if a field is not present in the event the output for that field is an empty string values of type array object and regex are not supported and the output for any of these types is an empty string encoding csv quote optional ascii_char the quote character to use when writing csv default encoding csv quote_style optional string literal enum the quoting style to use when writing csv data enum options option description always always puts quotes around every field necessary puts quotes around fields only when necessary they are necessary when fields contain a quote delimiter or record terminator quotes are also necessary when writing an empty record which is indistinguishable from a record with one empty field never never writes quotes even if it produces invalid csv data non_numeric puts quotes around all fields that are non numeric this means that when writing a field that does not parse as a valid float or integer quotes are used even if they aren t strictly necessary default necessary encoding except_fields optional string list of fields that are excluded from the encoded event encoding gelf optional object the gelf serializer options relevant when codec gelf encoding gelf max_chunk_size optional uint maximum size for each gelf chunked datagram including 12 byte header chunking starts when datagrams exceed this size for graylog target keep at or below 8192 bytes for vector target gelf decoding with chunked_gelf framing up to 65 500 bytes is recommended default 8192 encoding json optional object options for the jsonserializer relevant when codec json encoding json pretty optional bool whether to use pretty json formatting default false encoding metric_tag_values optional string literal enum controls how metric tag values are encoded when set to single only the last non bare value of tags are displayed with the metric when set to full all metric tags are exposed as separate assignments relevant when codec json or codec text enum options option description full all tags are exposed as arrays of either string or null values single tag values are exposed as single strings the same as they were before this config option tags with multiple values show the last assigned value and null values are ignored default single encoding only_fields optional string list of fields that are included in the encoded event encoding protobuf required object options for the protobuf serializer relevant when codec protobuf encoding protobuf desc_file required string literal the path to the protobuf descriptor set file this file is the output of protoc i include path o desc output path proto you can read more here examples etc vector protobuf_descriptor_set desc encoding protobuf message_type required string literal the name of the message type to use for serializing examples package message encoding protobuf use_json_names optional bool use json field names camelcase instead of protobuf field names snake_case when enabled the serializer looks for fields using their json names as defined in the proto file for example jobdescription instead of job_description this is useful when working with data that has already been converted from json or when interfacing with systems that use json naming conventions default false encoding syslog optional object options for the syslog serializer relevant when codec syslog encoding syslog app_name optional string literal path to a field in the event to use for the app name if not provided the encoder checks for a semantic service field if that is also missing it defaults to vector encoding syslog facility optional string literal path to a field in the event to use for the facility defaults to user encoding syslog msg_id optional string literal path to a field in the event to use for the msg id encoding syslog proc_id optional string literal path to a field in the event to use for the proc id encoding syslog rfc optional string literal enum rfc to use for formatting enum options option description rfc3164 the legacy rfc3164 syslog format rfc5424 the modern rfc5424 syslog format default rfc5424 encoding syslog severity optional string literal path to a field in the event to use for the severity defaults to informational encoding timestamp_format optional string literal enum format used for timestamp fields enum options option description rfc3339 represent the timestamp as a rfc 3339 timestamp unix represent the timestamp as a unix timestamp unix_float represent the timestamp as a unix timestamp in floating point unix_ms represent the timestamp as a unix timestamp in milliseconds unix_ns represent the timestamp as a unix timestamp in nanoseconds unix_us represent the timestamp as a unix timestamp in microseconds framing optional object framing configuration framing character_delimited required object options for the character delimited encoder relevant when method character_delimited framing character_delimited delimiter required ascii_char the ascii 7 bit character that delimits byte sequences framing length_delimited required object options for the length delimited decoder relevant when method length_delimited framing length_delimited length_field_is_big_endian optional bool length field byte order little or big endian default true framing length_delimited length_field_length optional uint number of bytes representing the field length default 4 framing length_delimited length_field_offset optional uint number of bytes in the header before the length field framing length_delimited max_frame_length optional uint maximum frame length default 8 388608e 06 framing max_frame_length optional uint maximum frame length relevant when method varint_length_delimited default 8 388608e 06 framing method required string literal enum the framing method enum options option description bytes event data is not delimited at all character_delimited event data is delimited by a single ascii 7 bit character length_delimited event data is prefixed with its length in bytes the prefix is a 32 bit unsigned integer little endian newline_delimited event data is delimited by a newline lf character varint_length_delimited event data is prefixed with its length in bytes as a varint this is compatible with protobuf s length delimited encoding examples bytes character_delimited length_delimited newline_delimited varint_length_delimited healthcheck optional object healthcheck configuration healthcheck enabled optional bool whether or not to check the health of the sink when vector starts up default true healthcheck uri optional string literal the full uri to make http healthcheck requests to this must be a valid uri which requires at least the scheme and host all other components port path etc are allowed as well inputs required string a list of upstream source or transform ids wildcards are supported see configuration for more info array string literal examples my source or transform id prefix method optional string literal enum the http method to use when making the request enum options string literal option description delete delete get get head head options options patch patch post post put put trace trace default post payload_prefix optional string literal a string to prefix the payload with this option is ignored if the encoding is not character delimited json if specified the payload_suffix must also be specified and together they must produce a valid json object examples data payload_suffix optional string literal a string to suffix the payload with this option is ignored if the encoding is not character delimited json if specified the payload_prefix must also be specified and together they must produce a valid json object examples proxy optional object proxy configuration configure to proxy traffic through an http s proxy when making external requests similar to common proxy configuration convention you can set different proxies to use based on the type of traffic being proxied you can also set specific hosts that should not be proxied proxy enabled optional bool enables proxying support default true proxy http optional string literal proxy endpoint to use when proxying http traffic must be a valid uri string examples http foo bar 3128 proxy https optional string literal proxy endpoint to use when proxying https traffic must be a valid uri string examples http foo bar 3128 proxy no_proxy optional string a list of hosts to avoid proxying multiple patterns are allowed pattern example match domain names example com matches requests to example com wildcard domains example com matches requests to example com and its subdomains ip addresses 127 0 0 1 matches requests to 127 0 0 1 cidr blocks 192 168 0 0 16 matches requests to any ip addresses in this range splat matches all hosts request optional object outbound http request settings request adaptive_concurrency optional object configuration of adaptive concurrency parameters these parameters typically do not require changes from the default and incorrect values can lead to meta stable or unstable performance and sink behavior proceed with caution request adaptive_concurrency decrease_ratio optional float the fraction of the current value to set the new concurrency limit when decreasing the limit valid values are greater than 0 and less than 1 smaller values cause the algorithm to scale back rapidly when latency increases note the new limit is rounded down after applying this ratio default 0 9 request adaptive_concurrency ewma_alpha optional float the weighting of new measurements compared to older measurements valid values are greater than 0 and less than 1 arc uses an exponentially weighted moving average ewma of past rtt measurements as a reference to compare with the current rtt smaller values cause this reference to adjust more slowly which may be useful if a service has unusually high response variability default 0 4 request adaptive_concurrency initial_concurrency optional uint the initial concurrency limit to use if not specified the initial limit is 1 no concurrency datadog recommends setting this value to your service s average limit if you re seeing that it takes a long time to ramp up adaptive concurrency after a restart you can find this value by looking at the adaptive_concurrency_limit metric default 1 request adaptive_concurrency max_concurrency_limit optional uint the maximum concurrency limit the adaptive request concurrency limit does not go above this bound this is put in place as a safeguard default 200 request adaptive_concurrency rtt_deviation_scale optional float scale of rtt deviations which are not considered anomalous valid values are greater than or equal to 0 and reasonable values range from 1 0 to 3 0 when calculating the past rtt average a secondary deviation value is also computed that indicates how variable those values are that deviation is used when comparing the past rtt average to the current measurements so we can ignore increases in rtt that are within an expected range this factor is used to scale up the deviation to an appropriate range larger values cause the algorithm to ignore larger increases in the rtt default 2 5 request concurrency optional string literal enum uint configuration for outbound request concurrency this can be set either to one of the below enum values or to a positive integer which denotes a fixed concurrency limit enum options option description adaptive concurrency is managed by vector s adaptive request concurrency feature none a fixed concurrency of 1 only one request can be outstanding at any given time default adaptive request headers optional object additional http headers to add to every http request request headers required string literal an http request header and its value both header names and values support templating with event data examples accept text plain x event level level x event timestamp timestamp x my custom header a value request rate_limit_duration_secs optional uint the time window used for the rate_limit_num option default 1 seconds request rate_limit_num optional uint the maximum number of requests allowed within the rate_limit_duration_secs time window default 9 223372036854776e 18 requests request retry_attempts optional uint the maximum number of retries to make for failed requests default 9 223372036854776e 18 retries request retry_initial_backoff_secs optional uint the amount of time to wait before attempting the first retry for a failed request after the first retry has failed the fibonacci sequence is used to select future backoffs default...
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