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Separate io tests to read and write mode with separate latencies (#2)

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T.v.Dein
2025-10-22 18:02:26 +02:00
committed by GitHub
parent 8b3cf64e96
commit 5184c3a03e
6 changed files with 178 additions and 74 deletions
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README.md
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@@ -14,10 +14,15 @@ specified via commandline.
```default
io-exporter [options] <file>
Options:
-t --timeout <int> When should the operation timeout in seconds
-l --label <label=value> Add label to exported metric
-h --help Show help
-v --version Show program version
-t --timeout <int> When should the operation timeout in seconds
-s --sleeptime <int> Time to sleep between checks (default: 5s)
-l --label <label=value> Add label to exported metric
-i --internals Also add labels about resource usage
-r --read Only execute the read test
-w --write Only execute the write test
-d --debug Enable debug log level
-h --help Show help
-v --version Show program version
```
## Output
@@ -31,14 +36,20 @@ io-exporter -l foo=bar -l blah=blubb t/blah
You'll get such metrics:
```default
# HELP io_exporter_io_latency how long does the operation take in seconds
# TYPE io_exporter_io_latency gauge
io_exporter_io_latency{file="/tmp/blah",maxwait="1",namespace="debug",pod="foo1"} 0.0001142815
# HELP io_exporter_io_operation whether io is working on the pvc, 1=ok, 0=fail
# TYPE io_exporter_io_operation gauge
io_exporter_io_operation{file="/tmp/blah",maxwait="1",namespace="debug",pod="foo1"} 1
io_exporter_io_operation{blah="blubb",exectime="1761148383705",file="t/blah",foo="bar",maxwait="1"} 1
# HELP io_exporter_io_read_latency how long does the read operation take in seconds
# TYPE io_exporter_io_read_latency gauge
io_exporter_io_read_latency{blah="blubb",exectime="1761148383705",file="t/blah",foo="bar",maxwait="1"} 0.0040411716
# HELP io_exporter_io_write_latency how long does the write operation take in seconds
# TYPE io_exporter_io_write_latency gauge
io_exporter_io_write_latency{blah="blubb",exectime="1761148383705",file="t/blah",foo="bar",maxwait="1"} 0
```
You may also restrict the exporter to only test read (`-r` flag) or
write (`-w` flag) operation.
## Installation
There are no released binaries yet.