Update cheatsheets

fio

@@ -0,0 +1,29 @@
+---
+syntax: markdown
+tags: [tldr, common]
+source: https://github.com/tldr-pages/tldr.git
+---
+# fio
+
+> Flexible I/O tester: do an I/O action spawning multiple threads or processes.
+> More information: <https://fio.readthedocs.io/en/latest/fio_doc.html>.
+
+- Test random reads:
+
+`fio --filename={{path/to/file}} --direct=1 --rw=randread --bs=4k --ioengine=libaio --iodepth=256 --runtime=120 --numjobs=4 --time_based --group_reporting --name={{job_name}} --eta-newline=1 --readonly`
+
+- Test sequential reads:
+
+`fio --filename={{path/to/file}} --direct=1 --rw=read --bs=4k --ioengine=libaio --iodepth=256 --runtime=120 --numjobs=4 --time_based --group_reporting --name={{job_name}} --eta-newline=1 --readonly`
+
+- Test random read/write:
+
+`fio --filename={{path/to/file}} --direct=1 --rw=randrw --bs=4k --ioengine=libaio --iodepth=256 --runtime=120 --numjobs=4 --time_based --group_reporting --name={{job_name}} --eta-newline=1`
+
+- Test with parameters from a job file:
+
+`fio {{path/to/job_file}}`
+
+- Convert a specific job file to command-line options:
+
+`fio --showcmd {{path/to/job_file}}`