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Minor documentation fixes

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* Fix CLI help for --statsd.event-flush-interval
* Move verbiage regarding default histogram bucket values to proper
  section

Signed-off-by: Daniel Sabsay <sabsay@adobe.com>
This commit is contained in:
Daniel Sabsay 2020-09-25 14:00:34 -07:00
parent da85f9d207
commit 07c754c759
2 changed files with 16 additions and 14 deletions
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24
README.md
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@ -136,10 +136,9 @@ NOTE: Version 0.7.0 switched to the [kingpin](https://github.com/alecthomas/king
Number of events to hold in queue before
flushing
--statsd.event-flush-interval=200ms
Number of events to hold in queue before
flushing
--debug.dump-fsm="" The path to dump internal FSM generated for glob
matching as Dot file.
Maximum time between event queue flushes.
--debug.dump-fsm="" The path to dump internal FSM generated for
glob matching as Dot file.
--check-config Check configuration and exit.
--statsd.parse-dogstatsd-tags
Parse DogStatsd style tags. Enabled by default.
@ -327,6 +326,16 @@ mappings:
job: "${1}_server"
```
If not set, then the default
[Prometheus client
values](https://godoc.org/github.com/prometheus/client_golang/prometheus#pkg-variables)
are used for the histogram buckets:
`[.005, .01, .025, .05, .1, .25, .5, 1, 2.5, 5, 10]`.
`+Inf` is added automatically.
`observer_type` is only used when the statsd metric type is a timer, histogram, or distribution.
`buckets` is only used when the statsd metric type is one of these, and the `observer_type` is set to `histogram`.
Timers will be accepted with the `ms` statsd type.
Statsd timer data is transmitted in milliseconds, while Prometheus expects the unit to be seconds.
The exporter converts all timer observations to seconds.
@ -360,13 +369,6 @@ mappings:
code: "$4"
```
Note, that one may also set the histogram buckets. If not set, then the default
[Prometheus client values](https://godoc.org/github.com/prometheus/client_golang/prometheus#pkg-variables) are used: `[.005, .01, .025, .05, .1, .25, .5, 1, 2.5, 5, 10]`. `+Inf` is added
automatically.
`observer_type` is only used when the statsd metric type is a timer, histogram, or distribution.
`buckets` is only used when the statsd metric type is one of these, and the `observer_type` is set to `histogram`.
### Global defaults
One may also set defaults for the observer type, buckets or quantiles, and match type.

6
main.go
View file

@ -260,9 +260,9 @@ func main() {
readBuffer = kingpin.Flag("statsd.read-buffer", "Size (in bytes) of the operating system's transmit read buffer associated with the UDP or Unixgram connection. Please make sure the kernel parameters net.core.rmem_max is set to a value greater than the value specified.").Int()
cacheSize = kingpin.Flag("statsd.cache-size", "Maximum size of your metric mapping cache. Relies on least recently used replacement policy if max size is reached.").Default("1000").Int()
cacheType = kingpin.Flag("statsd.cache-type", "Metric mapping cache type. Valid options are \"lru\" and \"random\"").Default("lru").Enum("lru", "random")
eventQueueSize = kingpin.Flag("statsd.event-queue-size", "Size of internal queue for processing events").Default("10000").Int()
eventFlushThreshold = kingpin.Flag("statsd.event-flush-threshold", "Number of events to hold in queue before flushing").Default("1000").Int()
eventFlushInterval = kingpin.Flag("statsd.event-flush-interval", "Number of events to hold in queue before flushing").Default("200ms").Duration()
eventQueueSize = kingpin.Flag("statsd.event-queue-size", "Size of internal queue for processing events.").Default("10000").Int()
eventFlushThreshold = kingpin.Flag("statsd.event-flush-threshold", "Number of events to hold in queue before flushing.").Default("1000").Int()
eventFlushInterval = kingpin.Flag("statsd.event-flush-interval", "Maximum time between event queue flushes.").Default("200ms").Duration()
dumpFSMPath = kingpin.Flag("debug.dump-fsm", "The path to dump internal FSM generated for glob matching as Dot file.").Default("").String()
checkConfig = kingpin.Flag("check-config", "Check configuration and exit.").Default("false").Bool()
dogstatsdTagsEnabled = kingpin.Flag("statsd.parse-dogstatsd-tags", "Parse DogStatsd style tags. Enabled by default.").Default("true").Bool()