1LABELS.CONF(5) File Formats Manual LABELS.CONF(5)
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6 labels.conf - Performance Co-Pilot labels configuration
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9 /etc/pcp/labels.conf
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12 Several Performance Co-Pilot (PCP) tools and utilities support the use
13 of metric labels. This functionality applied a hierarchical set of
14 labels to each instance of every metric, as described in pmLookupLa‐
15 bels(3).
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17 The pmcd(1) and pmproxy(1) daemons are particularly important to the
18 labels system, respectively providing the labels in real-time and then
19 discovering recorded (archive) labels and indexing these for
20 pmseries(1) queries using a redis-server(1).
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22 The /etc/pcp/labels.conf file is a single point of configuration for
23 behaviour affecting all labels exported by pmcd or through tools using
24 PMAPI local context services. It uses the common ``ini'' file format
25 and any variable it specifies that is not in an explicit square-bracket
26 enclosed section is considered a [global] variable.
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28 The available configuration variables are as follows :
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30 machineid_hash=none|sha256
31 When specified in the [global] section, controls the manner in
32 which the local machine-id(5) is exported as a label. The default
33 setting (none) exports a "machineid" context label with value
34 reflecting the contents of the /etc/machine-id file, on any plat‐
35 forms that provide this file. The alternative (sha256) exports a
36 "machineid_sha256" label, instead, and the value is the SHA256
37 (one-way) hash of the file.
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40 pmcd(1), pmproxy(1), pmseries(1), redis-server(1), PMAPI(3), pmLooku‐
41 pLabels(3) and machine-id(5).
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45Performance Co-Pilot PCP LABELS.CONF(5)