prefixes. To specify power-of-10 decimal values defined in the
International System of Units (SI):
- * *Ki* -- means kilo (K) or 1000
- * *Mi* -- means mega (M) or 1000**2
- * *Gi* -- means giga (G) or 1000**3
- * *Ti* -- means tera (T) or 1000**4
- * *Pi* -- means peta (P) or 1000**5
+ * *ki* -- means kilo (K) or 1000
+ * *mi* -- means mega (M) or 1000**2
+ * *gi* -- means giga (G) or 1000**3
+ * *ti* -- means tera (T) or 1000**4
+ * *pi* -- means peta (P) or 1000**5
To specify power-of-2 binary values defined in IEC 80000-13:
* *k* -- means kibi (Ki) or 1024
- * *M* -- means mebi (Mi) or 1024**2
- * *G* -- means gibi (Gi) or 1024**3
- * *T* -- means tebi (Ti) or 1024**4
- * *P* -- means pebi (Pi) or 1024**5
+ * *m* -- means mebi (Mi) or 1024**2
+ * *g* -- means gibi (Gi) or 1024**3
+ * *t* -- means tebi (Ti) or 1024**4
+ * *p* -- means pebi (Pi) or 1024**5
With :option:`kb_base`\=1024 (the default), the unit prefixes are opposite
from those specified in the SI and IEC 80000-13 standards to provide
**float_list**
A list of floating point numbers, separated by a ':' character.
+With the above in mind, here follows the complete list of fio job parameters.
+
Units
~~~~~
Bit based.
-With the above in mind, here follows the complete list of fio job parameters.
-
-
Job description
~~~~~~~~~~~~~~~
**cudamalloc**
Use GPU memory as the buffers for GPUDirect RDMA benchmark.
+ The ioengine must be rdma.
The area allocated is a function of the maximum allowed bs size for the job,
multiplied by the I/O depth given. Note that for **shmhuge** and
[libhdfs]
- the listening port of the HFDS cluster namenode.
+ The listening port of the HFDS cluster namenode.
.. option:: interface=str : [netsplice] [net]
**0**
Default. Preallocate donor's file on init.
**1**
- Allocate space immediately inside defragment event, and free right
+ Allocate space immediately inside defragment event, and free right
after event.
.. option:: clustername=str : [rbd]
.. option:: chunk_size : [libhdfs]
- the size of the chunk to use for each file.
+ The size of the chunk to use for each file.
I/O depth
.. option:: verifysort_nr=int
- Pre-load and sort verify blocks for a read workload.
+ Pre-load and sort verify blocks for a read workload.
.. option:: verify_offset=int
.. option:: trim_backlog=int
- Verify that trim/discarded blocks are returned as zeros.
+ Trim after this number of blocks are written.
.. option:: trim_backlog_batch=int