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45 lines
2.2 KiB
Markdown
45 lines
2.2 KiB
Markdown
---
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layout: "docs"
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page_title: "Telemetry"
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sidebar_current: "docs-internals-telemetry"
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description: |-
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Learn about the telemetry data available in Vault.
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---
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# Telemetry
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The Vault agent collects various runtime metrics about the performance of
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different libraries and subsystems. These metrics are aggregated on a ten
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second interval and are retained for one minute.
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To view this data, you must send a signal to the Vault process: on Unix,
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this is `USR1` while on Windows it is `BREAK`. Once Vault receives the signal,
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it will dump the current telemetry information to the agent's `stderr`.
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This telemetry information can be used for debugging or otherwise
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getting a better view of what Vault is doing.
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Telemetry information can be streamed to both [statsite](http://github.com/armon/statsite)
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as well as statsd based on providing the appropriate configuration options.
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Below is sample output of a telemetry dump:
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```text
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[2014-01-29 10:56:50 -0800 PST][G] 'vault.runtime.num_goroutines': 19.000
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[2014-01-29 10:56:50 -0800 PST][G] 'vault.runtime.alloc_bytes': 755960.000
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[2014-01-29 10:56:50 -0800 PST][G] 'vault.runtime.malloc_count': 7550.000
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[2014-01-29 10:56:50 -0800 PST][G] 'vault.runtime.free_count': 4387.000
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[2014-01-29 10:56:50 -0800 PST][G] 'vault.runtime.heap_objects': 3163.000
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[2014-01-29 10:56:50 -0800 PST][G] 'vault.runtime.total_gc_pause_ns': 1151002.000
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[2014-01-29 10:56:50 -0800 PST][G] 'vault.runtime.total_gc_runs': 4.000
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[2014-01-29 10:56:50 -0800 PST][C] 'vault.agent.ipc.accept': Count: 5 Sum: 5.000
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[2014-01-29 10:56:50 -0800 PST][C] 'vault.agent.ipc.command': Count: 10 Sum: 10.000
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[2014-01-29 10:56:50 -0800 PST][C] 'vault.serf.events': Count: 5 Sum: 5.000
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[2014-01-29 10:56:50 -0800 PST][C] 'vault.serf.events.foo': Count: 4 Sum: 4.000
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[2014-01-29 10:56:50 -0800 PST][C] 'vault.serf.events.baz': Count: 1 Sum: 1.000
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[2014-01-29 10:56:50 -0800 PST][S] 'vault.memberlist.gossip': Count: 50 Min: 0.007 Mean: 0.020 Max: 0.041 Stddev: 0.007 Sum: 0.989
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[2014-01-29 10:56:50 -0800 PST][S] 'vault.serf.queue.Intent': Count: 10 Sum: 0.000
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[2014-01-29 10:56:50 -0800 PST][S] 'vault.serf.queue.Event': Count: 10 Min: 0.000 Mean: 2.500 Max: 5.000 Stddev: 2.121 Sum: 25.000
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```
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