B is correct.
The following items in the phases below are listed in the order Splunk applies them (ie LINE_BREAKER occurs before TRUNCATE).
Input phase
inputs.conf
props.conf
CHARSET
NO_BINARY_CHECK
CHECK_METHOD
CHECK_FOR_HEADER (deprecated)
PREFIX_SOURCETYPE
sourcetype
wmi.conf
regmon-filters.conf
Structured parsing phase
props.conf
INDEXED_EXTRACTIONS, and all other structured data header extractions
Parsing phase
props.conf
LINE_BREAKER, TRUNCATE, SHOULD_LINEMERGE, BREAK_ONLY_BEFORE_DATE, and all other line merging settings
TIME_PREFIX, TIME_FORMAT, DATETIME_CONFIG (datetime.xml), TZ, and all other time extraction settings and rules
TRANSFORMS which includes per-event queue filtering, per-event index assignment, per-event routing
SEDCMD
MORE_THAN, LESS_THAN
transforms.conf
stanzas referenced by a TRANSFORMS clause in props.conf
LOOKAHEAD, DEST_KEY, WRITE_META, DEFAULT_VALUE, REPEAT_MATCH
You're right.
Structured parsing phase:
---------------------------------------------
props.conf
INDEXED_EXTRACTIONS, and all other structured data header extractions
URL: https://docs.splunk.com/Documentation/Splunk/8.0.5/Admin/Configurationparametersandthedatapipeline
• Indexed extractions are input phase props.conf settings
– In this scenario, the settings belong on forwarder
– Check props.conf.spec for more options
Datadmin page: 341
Correct Ans: A
B, index extractions (INDEX_EXTRATIONS) is done in parsing phase
https://docs.splunk.com/Documentation/Splunk/9.0.4/Admin/Configurationparametersandthedatapipeline
Structured parsing phase
props.conf INDEXED_EXTRACTIONS, and all other structured data header extractions
A is correct
"Structured Data Header Extraction and configuration
# These special string delimiters, which are single ASCII characters,
# can be used in the settings that follow, which state
# "You can use the delimiters for structured data header extraction with
# this setting.
INDEXED_EXTRACTIONS = <CSV|TSV|PSV|W3C|JSON|HEC>
* The type of file that Splunk software should expect for a given source
type, and the extraction and/or parsing method that should be used on the file."
https://docs.splunk.com/Documentation/Splunk/8.2.6/Admin/Propsconf
* This setting applies at input time, when data is first read by Splunk
software, such as on a forwarder that has configured inputs acquiring the
data.
Answer A&B
Generally, fields should be extracted at search time, however there are certain use cases when index time field extractions can be used
Provision the extraction during the input or parsing phase
–On the forwarder for structured inputs
–On the indexer for fields that may be negatively impacting search performance
uses three configuration files props.conf, transforms.conf on the indexer and fields.conf on the search head
If I have to give one answer, I choose parsing the indexers can handle the extra load better.
P263 in Data Admin pdf says "Indexed Extractions are input phase props.conf settings". So it'd be A.
But detailed documentations break down the steps, "INDEXED_EXTRACTIONS, and all other structured data header extractions" are part of the Structured Parsing Phase. So it might be B as well.....
https://docs.splunk.com/Documentation/Splunk/8.0.5/Admin/Configurationparametersandthedatapipeline
It's A. From https://docs.splunk.com/Documentation/Splunk/8.1.1/Admin/Propsconf
Heading: Structured Data Header Extraction and configuration
"This setting applies at input time, when data is first read by Splunk
software, such as on a forwarder that has configured inputs acquiring the
data."
INDEXED_EXTRACTIONS = <CSV|TSV|PSV|W3C|JSON|HEC>
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