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60 lines
2.2 KiB
Markdown
60 lines
2.2 KiB
Markdown
nodesensors(8) --- Retrieve telemetry for sensors of confluent nodes
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====================================================================
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## SYNOPSIS
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`nodesensors <noderange> [-c] [-i <interval>] [-n <samplecount>] [<sensor name or category>...]`
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## DESCRIPTION
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**nodesensors** queries the confluent server to get telemetry from nodes. Telemetry can include
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data such as temperature, power, and so forth. Without arguments, it lists all available sensors
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and their current values. If `-c` is specified, CSV format is used for output. Normally
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nodesensors outputs once and exits. Repeated periodic gathering can be done with `-i` to specify
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interval and `-n` to specify number of requests. If `-i` is specified without `-n`, then it will
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retrieve data at the requested interval indefinitely. If '-n' is specified without `-i`, an
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interval of 1 second is used.
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## OPTIONS
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* `-c`, `--csv`:
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Organize output into CSV format, one sensor per column.
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* `-i`, `--interval`=**SECONDS**:
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Repeat data gathering waiting, waiting the specified time between samples. Unless `-n` is
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specified, indefinite retrieval is assumed.
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* `-n`, `--numreadings`=**SAMPLES**:
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Perform the specified number of readings, waiting `-i` indicated interval or 1 second if not
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otherwise indicated.
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* `-s`, `--skipnumberless`:
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Return only sensors that provide numeric data (e.g. temperature, fanspeed),
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ignoring sensors that do not provide numeric data.
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## EXAMPLES
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* Retrieving all temperature related sensors from one system
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`# nodesensors n1 temperature`
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`n1: CPU 1 Overtemp: Ok`
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`n1: CPU 2 Overtemp: Ok`
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`n1: Inlet Temp: 16.0 °C`
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`n1: PCH Overtemp: Ok`
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`n1: LOM Temp: Ok`
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* Retrieving a sensor named "Inlet Temp" for 4 systems over a 3 second period of time:
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`# nodesensors n1-n4 'Inlet Temp' -c -n 3`
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`time,node,Inlet Temp (°C)`
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`2016-10-04T15:09:20,n1,19.0`
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`2016-10-04T15:09:20,n2,18.0`
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`2016-10-04T15:09:20,n3,18.0`
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`2016-10-04T15:09:20,n4,17.0`
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`2016-10-04T15:09:21,n1,19.0`
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`2016-10-04T15:09:21,n2,18.0`
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`2016-10-04T15:09:21,n3,18.0`
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`2016-10-04T15:09:21,n4,17.0`
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`2016-10-04T15:09:22,n1,19.0`
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`2016-10-04T15:09:22,n2,18.0`
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`2016-10-04T15:09:22,n3,18.0`
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`2016-10-04T15:09:22,n4,17.0`
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