IOzone The IOzone benchmark tests the hard disk drive / file-system performance.
To run this test with the Phoronix Test Suite , the basic command is: phoronix-test-suite benchmark iozone .
Use with caution this test profile is currently marked Deprecated .
Test Created 6 December 2010
Last Updated 8 May 2020
Test Maintainer Michael Larabel
Test Type Disk
Average Install Time 8 Seconds
Average Run Time 4 Minutes, 28 Seconds
Test Dependencies C/C++ Compiler Toolchain
Accolades 250k+ Downloads + 20k+ Public Benchmark Results Public Result Uploads Test Completions* Reported Installs* OpenBenchmarking.org Events IOzone Popularity Statistics pts/iozone 2011.04 2011.08 2011.12 2012.04 2012.08 2012.12 2013.04 2013.08 2013.12 2014.04 2014.08 2014.12 2015.04 2015.08 2015.12 2016.04 2016.08 2016.12 2017.04 2017.08 2017.12 2018.04 2018.08 2018.12 2019.04 2019.08 2019.12 2020.04 2020.08 2020.12 2021.04 70K 140K 210K 280K 350K
* Data based on those opting to upload their test results to OpenBenchmarking.org and users enabling the opt-in anonymous statistics reporting while running benchmarks from an Internet-connected platform. Data current as of Sat, 10 Apr 2021 11:06:22 GMT.
4Kb 34.6% 1MB 34.1% 64Kb 31.3% Record Size Option Popularity OpenBenchmarking.org
4GB 20.1% 512MB 32.7% 8GB 24.0% 2GB 23.2% File Size Option Popularity OpenBenchmarking.org
Read Performance 48.7% Write Performance 51.3% Disk Test Option Popularity OpenBenchmarking.org
Revision Historypts/iozone-1.9.6 [View Source ] Fri, 08 May 2020 20:00:01 GMT Fix https://github.com/phoronix-test-suite/test-profiles/issues/139 and mark test profile as deprecated.
pts/iozone-1.9.5 [View Source ] Fri, 07 Dec 2018 12:04:58 GMT Add FreeBSD support https://github.com/phoronix-test-suite/test-profiles/pull/51
pts/iozone-1.9.4 [View Source ] Sat, 07 Apr 2018 20:36:24 GMT Iozone doesn't work right on BSD out-of-the-box.
pts/iozone-1.9.3 [View Source ] Wed, 28 Feb 2018 17:04:31 GMT Use the Windows zip package.
pts/iozone-1.9.2 [View Source ] Wed, 28 Feb 2018 17:02:42 GMT Set the Windows bit.
pts/iozone-1.9.1 [View Source ] Wed, 28 Feb 2018 17:01:40 GMT Restore Windows support for iozone.
pts/iozone-1.9.0 [View Source ] Wed, 28 Jun 2017 13:33:12 GMT Fix result parser, update against latest upstream
pts/iozone-1.8.0 [View Source ] Sun, 29 Apr 2012 12:10:47 GMT Update against upstream IOzone 3.405 and also set -e argument to ensure fsync/flushes are done as part of timing.
pts/iozone-1.7.0 [View Source ] Mon, 06 Dec 2010 14:53:27 GMT Initial import into OpenBenchmarking.org
Performance MetricsAnalyze Test Configuration: pts/iozone-1.9.x - IOzone 3.465 - Record Size: 4Kb - File Size: 512MB - Disk Test: Write Performance pts/iozone-1.9.x - IOzone 3.465 - Record Size: 4Kb - File Size: 512MB - Disk Test: Read Performance pts/iozone-1.9.x - IOzone 3.465 - Record Size: 1MB - File Size: 512MB - Disk Test: Write Performance pts/iozone-1.9.x - IOzone 3.465 - Record Size: 1MB - File Size: 512MB - Disk Test: Read Performance pts/iozone-1.9.x - IOzone 3.465 - Record Size: 64Kb - File Size: 512MB - Disk Test: Write Performance pts/iozone-1.9.x - IOzone 3.465 - Record Size: 64Kb - File Size: 512MB - Disk Test: Read Performance pts/iozone-1.9.x - IOzone 3.465 - Record Size: 1MB - File Size: 8GB - Disk Test: Write Performance pts/iozone-1.9.x - IOzone 3.465 - Record Size: 4Kb - File Size: 8GB - Disk Test: Write Performance pts/iozone-1.9.x - IOzone 3.465 - Record Size: 1MB - File Size: 2GB - Disk Test: Read Performance pts/iozone-1.9.x - IOzone 3.465 - Record Size: 1MB - File Size: 2GB - Disk Test: Write Performance pts/iozone-1.9.x - IOzone 3.465 - Record Size: 1MB - File Size: 8GB - Disk Test: Read Performance pts/iozone-1.9.x - IOzone 3.465 - Record Size: 64Kb - File Size: 2GB - Disk Test: Write Performance pts/iozone-1.9.x - IOzone 3.465 - Record Size: 64Kb - File Size: 2GB - Disk Test: Read Performance pts/iozone-1.9.x - IOzone 3.465 - Record Size: 4Kb - File Size: 2GB - Disk Test: Read Performance pts/iozone-1.9.x - IOzone 3.465 - Record Size: 4Kb - File Size: 2GB - Disk Test: Write Performance pts/iozone-1.9.x - IOzone 3.465 - Record Size: 4Kb - File Size: 8GB - Disk Test: Read Performance pts/iozone-1.9.x - IOzone 3.465 - Record Size: 64Kb - File Size: 8GB - Disk Test: Write Performance pts/iozone-1.9.x - IOzone 3.465 - Record Size: 64Kb - File Size: 8GB - Disk Test: Read Performance pts/iozone-1.9.x - IOzone 3.465 - Record Size: 1MB - File Size: 4GB - Disk Test: Read Performance pts/iozone-1.9.x - IOzone 3.465 - Record Size: 1MB - File Size: 4GB - Disk Test: Write Performance pts/iozone-1.9.x - IOzone 3.465 - Record Size: 4Kb - File Size: 4GB - Disk Test: Write Performance pts/iozone-1.9.x - IOzone 3.465 - Record Size: 64Kb - File Size: 4GB - Disk Test: Write Performance pts/iozone-1.9.x - IOzone 3.465 - Record Size: 4Kb - File Size: 4GB - Disk Test: Read Performance pts/iozone-1.9.x - IOzone 3.465 - Record Size: 64Kb - File Size: 4GB - Disk Test: Read Performance pts/iozone-1.9.x - IOzone 3.465 - Record Size: 2MB - File Size: 8GB - Disk Test: Write Performance pts/iozone-1.9.x - IOzone 3.465 - Record Size: 2MB - File Size: 512MB - Disk Test: Write Performance pts/iozone-1.9.x - IOzone 3.465 - Record Size: 2MB - File Size: 512MB - Disk Test: Read Performance pts/iozone-1.9.x - IOzone 3.465 - Record Size: 2MB - File Size: 8GB - Disk Test: Read Performance pts/iozone-1.9.x - IOzone 3.465 - Record Size: 2MB - File Size: 4GB - Disk Test: Read Performance pts/iozone-1.9.x - IOzone 3.465 - Record Size: 2MB - File Size: 4GB - Disk Test: Write Performance pts/iozone-1.9.x - IOzone 3.465 - Record Size: 2MB - File Size: 2GB - Disk Test: Read Performance pts/iozone-1.9.x - IOzone 3.465 - Record Size: 2MB - File Size: 2GB - Disk Test: Write Performance pts/iozone-1.9.x - IOzone 3.465 - Record Size: 1Mb - File Size: 4GB - Disk Test: Write Performance pts/iozone-1.9.x - IOzone 3.465 - Record Size: 1Mb - File Size: 4GB - Disk Test: Read Performance pts/iozone-1.8.x - IOzone 3.405 - Record Size: 4Kb - File Size: 2GB - Disk Test: Read Performance pts/iozone-1.8.x - IOzone 3.405 - Record Size: 4Kb - File Size: 2GB - Disk Test: Write Performance pts/iozone-1.8.x - IOzone 3.405 - Record Size: 4Kb - File Size: 512MB - Disk Test: Write Performance pts/iozone-1.8.x - IOzone 3.405 - Record Size: 4Kb - File Size: 512MB - Disk Test: Read Performance pts/iozone-1.8.x - IOzone 3.405 - 8GB Write Performance pts/iozone-1.8.x - IOzone 3.405 - 8GB Read Performance pts/iozone-1.8.x - IOzone 3.405 - Record Size: 4Kb - File Size: 8GB - Disk Test: Write Performance pts/iozone-1.8.x - IOzone 3.405 - Record Size: 1MB - File Size: 8GB - Disk Test: Read Performance pts/iozone-1.8.x - IOzone 3.405 - Record Size: 1MB - File Size: 8GB - Disk Test: Write Performance pts/iozone-1.8.x - IOzone 3.405 - Record Size: 64Kb - File Size: 512MB - Disk Test: Read Performance pts/iozone-1.8.x - IOzone 3.405 - Record Size: 64Kb - File Size: 512MB - Disk Test: Write Performance pts/iozone-1.8.x - IOzone 3.405 - Record Size: 1MB - File Size: 512MB - Disk Test: Write Performance pts/iozone-1.8.x - IOzone 3.405 - Record Size: 1MB - File Size: 512MB - Disk Test: Read Performance pts/iozone-1.8.x - IOzone 3.405 - Record Size: 4Kb - File Size: 8GB - Disk Test: Read Performance pts/iozone-1.8.x - IOzone 3.405 - Record Size: 64Kb - File Size: 8GB - Disk Test: Write Performance pts/iozone-1.8.x - IOzone 3.405 - Record Size: 1MB - File Size: 2GB - Disk Test: Write Performance pts/iozone-1.8.x - IOzone 3.405 - Record Size: 1MB - File Size: 2GB - Disk Test: Read Performance pts/iozone-1.8.x - IOzone 3.405 - Record Size: 64Kb - File Size: 8GB - Disk Test: Read Performance pts/iozone-1.8.x - IOzone 3.405 - Record Size: 64Kb - File Size: 2GB - Disk Test: Write Performance pts/iozone-1.8.x - IOzone 3.405 - Record Size: 64Kb - File Size: 2GB - Disk Test: Read Performance pts/iozone-1.8.x - IOzone 3.405 - Record Size: 4Kb - File Size: 4GB - Disk Test: Read Performance pts/iozone-1.8.x - IOzone 3.405 - Record Size: 4Kb - File Size: 4GB - Disk Test: Write Performance pts/iozone-1.8.x - IOzone 3.405 - Record Size: 1MB - File Size: 4GB - Disk Test: Read Performance pts/iozone-1.8.x - IOzone 3.405 - Record Size: 1MB - File Size: 4GB - Disk Test: Write Performance pts/iozone-1.8.x - IOzone 3.405 - Record Size: 64Kb - File Size: 4GB - Disk Test: Read Performance pts/iozone-1.8.x - IOzone 3.405 - Record Size: 64Kb - File Size: 4GB - Disk Test: Write Performance pts/iozone-1.8.x - IOzone 3.405 - Size: 4GB - Disk Test: Read Performance pts/iozone-1.8.x - IOzone 3.405 - Size: 4GB - Disk Test: Write Performance pts/iozone-1.8.x - IOzone 3.405 - 4GB Read Performance pts/iozone-1.8.x - IOzone 3.405 - 4GB Write Performance pts/iozone-1.8.x - IOzone 3.405 - Size: 2GB - Disk Test: Write Performance pts/iozone-1.8.x - IOzone 3.405 - 2GB Write Performance pts/iozone-1.8.x - IOzone 3.405 - Size: 2GB - Disk Test: Read Performance pts/iozone-1.8.x - IOzone 3.405 - 2GB Read Performance pts/iozone-1.7.x - IOzone 3.347 - 8GB Read Performance pts/iozone-1.7.x - IOzone 3.347 - 8GB Write Performance pts/iozone-1.7.x - IOzone 3.347 - Record Size: 64Kb - File Size: 8GB - Disk Test: Write Performance pts/iozone-1.7.x - IOzone 3.347 - Record Size: 64Kb - File Size: 8GB - Disk Test: Read Performance pts/iozone-1.7.x - IOzone 3.347 - Record Size: 4Kb - File Size: 512MB - Disk Test: Write Performance pts/iozone-1.7.x - IOzone 3.347 - Record Size: 4Kb - File Size: 512MB - Disk Test: Read Performance pts/iozone-1.7.x - IOzone 3.347 - Record Size: 4Kb - File Size: 8GB - Disk Test: Write Performance pts/iozone-1.7.x - IOzone 3.347 - Record Size: 4Kb - File Size: 8GB - Disk Test: Read Performance pts/iozone-1.7.x - IOzone 3.347 - Record Size: 64Kb - File Size: 512MB - Disk Test: Write Performance pts/iozone-1.7.x - IOzone 3.347 - Record Size: 64Kb - File Size: 512MB - Disk Test: Read Performance pts/iozone-1.7.x - IOzone 3.347 - Record Size: 1MB - File Size: 8GB - Disk Test: Write Performance pts/iozone-1.7.x - IOzone 3.347 - Record Size: 1MB - File Size: 512MB - Disk Test: Read Performance pts/iozone-1.7.x - IOzone 3.347 - Record Size: 1MB - File Size: 512MB - Disk Test: Write Performance pts/iozone-1.7.x - IOzone 3.347 - Record Size: 4Kb - File Size: 2GB - Disk Test: Write Performance pts/iozone-1.7.x - IOzone 3.347 - Record Size: 4Kb - File Size: 2GB - Disk Test: Read Performance pts/iozone-1.7.x - IOzone 3.347 - Record Size: 1MB - File Size: 8GB - Disk Test: Read Performance pts/iozone-1.7.x - IOzone 3.347 - Record Size: 64Kb - File Size: 2GB - Disk Test: Read Performance pts/iozone-1.7.x - IOzone 3.347 - Record Size: 64Kb - File Size: 2GB - Disk Test: Write Performance pts/iozone-1.7.x - IOzone 3.347 - Record Size: 1MB - File Size: 2GB - Disk Test: Write Performance pts/iozone-1.7.x - IOzone 3.347 - Record Size: 1MB - File Size: 2GB - Disk Test: Read Performance pts/iozone-1.7.x - IOzone 3.347 - Record Size: 1MB - File Size: 4GB - Disk Test: Write Performance pts/iozone-1.7.x - IOzone 3.347 - Record Size: 64Kb - File Size: 4GB - Disk Test: Read Performance pts/iozone-1.7.x - IOzone 3.347 - Size: 4GB - Disk Test: Write Performance pts/iozone-1.7.x - IOzone 3.347 - Size: 4GB - Disk Test: Read Performance pts/iozone-1.7.x - IOzone 3.347 - Record Size: 64Kb - File Size: 4GB - Disk Test: Write Performance pts/iozone-1.7.x - IOzone 3.347 - Record Size: 1MB - File Size: 4GB - Disk Test: Read Performance pts/iozone-1.7.x - IOzone 3.347 - Record Size: 4Kb - File Size: 4GB - Disk Test: Write Performance pts/iozone-1.7.x - IOzone 3.347 - Record Size: 4Kb - File Size: 4GB - Disk Test: Read Performance pts/iozone-1.7.x - IOzone 3.347 - Record Size: 1024Kb - File Size: 8GB - Disk Test: Read Performance pts/iozone-1.7.x - IOzone 3.347 - Record Size: 1024Kb - File Size: 8GB - Disk Test: Write Performance pts/iozone-1.7.x - IOzone 3.347 - 4GB Write Performance pts/iozone-1.7.x - IOzone 3.347 - 4GB Read Performance pts/iozone-1.7.x - IOzone 3.347 - Record Size: 4Kb - File Size: 18GB - Disk Test: Write Performance pts/iozone-1.7.x - IOzone 3.347 - Record Size: 4Kb - File Size: 18GB - Disk Test: Read Performance pts/iozone-1.7.x - IOzone 3.347 - Record Size: 4Kb , File Size: 8GB , Disk Test: Read Performance pts/iozone-1.7.x - IOzone 3.347 - Record Size: 1024Kb , File Size: 8GB , Disk Test: Write Performance pts/iozone-1.7.x - IOzone 3.347 - Record Size: 1024Kb , File Size: 8GB , Disk Test: Read Performance pts/iozone-1.7.x - IOzone 3.347 - Record Size: 4Kb , File Size: 8GB , Disk Test: Write Performance pts/iozone-1.7.x - IOzone 3.347 - Record Size: 64Kb , File Size: 8GB , Disk Test: Read Performance pts/iozone-1.7.x - IOzone 3.347 - Record Size: 64Kb , File Size: 8GB , Disk Test: Write Performance pts/iozone-1.7.x - IOzone 3.347 - Record Size: 4Kb - File Size: 32GB - Disk Test: Write Performance pts/iozone-1.7.x - IOzone 3.347 - Record Size: 4Kb - File Size: 32GB - Disk Test: Read Performance IOzone 3.465 Record Size: 4Kb - File Size: 512MB - Disk Test: Write Performance OpenBenchmarking.org metrics for this test profile configuration based on 2,445 public results since 28 June 2017 with the latest data as of 30 March 2021 .
Below is an overview of the generalized performance for components where there is sufficient statistically significant data based upon user-uploaded results. It is important to keep in mind particularly in the Linux/open-source space there can be vastly different OS configurations, with this overview intended to offer just general guidance as to the performance expectations.
Component
Percentile Rank
# Matching Public Results
MB/s (Average)
OpenBenchmarking.org Distribution Of Public Results - Record Size: 4Kb - File Size: 512MB - Disk Test: Write Performance 2435 Results Range From 0 To 3320 MB/s 0 67 134 201 268 335 402 469 536 603 670 737 804 871 938 1005 1072 1139 1206 1273 1340 1407 1474 1541 1608 1675 1742 1809 1876 1943 2010 2077 2144 2211 2278 2345 2412 2479 2546 2613 2680 2747 2814 2881 2948 3015 3082 3149 3216 3283 3350 110 220 330 440 550
Based on OpenBenchmarking.org data, the selected test / test configuration (IOzone 3.465 - Record Size: 4Kb - File Size: 512MB - Disk Test: Write Performance ) has an average run-time of 2 minutes . By default this test profile is set to run at least 3 times but may increase if the standard deviation exceeds pre-defined defaults or other calculations deem additional runs necessary for greater statistical accuracy of the result.
OpenBenchmarking.org Minutes Time Required To Complete Benchmark Record Size: 4Kb - File Size: 512MB - Disk Test: Write Performance Run-Time 15 30 45 60 75 Min: 1 / Avg: 2.02 / Max: 76
Based on public OpenBenchmarking.org results, the selected test / test configuration has an average standard deviation of 4.2% .
OpenBenchmarking.org Percent, Fewer Is Better Average Deviation Between Runs Record Size: 4Kb - File Size: 512MB - Disk Test: Write Performance Deviation 6 12 18 24 30 Min: 0 / Avg: 4.25 / Max: 27
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