La pertinence ou la validité des résultats obtenus avec la commande sysbench dépendent énormément du facteur temps. Une mesure valide suppose un temps d'exécution de quelques heures au moins. Les résultats donnés ici ne sont que des échantillons.
$ sudo apt install sysbench- Unité de disque locale
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Système de fichiers
ext4.$mkdir /var/tmp/benchmark$cd /var/tmp/benchmark/$sysbench fileio prepare$sysbench fileio --file-test-mode=rndrw run sysbench 1.0.20 (using system LuaJIT 2.1.0-beta3) Running the test with following options: Number of threads: 1 Initializing random number generator from current time Extra file open flags: (none) 128 files, 16MiB each 2GiB total file size Block size 16KiB Number of IO requests: 0 Read/Write ratio for combined random IO test: 1.50 Periodic FSYNC enabled, calling fsync() each 100 requests. Calling fsync() at the end of test, Enabled. Using synchronous I/O mode Doing random r/w test Initializing worker threads... Threads started! File operations: reads/s: 6062.94 writes/s: 4041.90 fsyncs/s: 12939.18 Throughput: read, MiB/s: 94.73 written, MiB/s: 63.15 General statistics: total time: 10.0062s total number of events: 230569 Latency (ms): min: 0.00 avg: 0.04 max: 133.67 95th percentile: 0.15 sum: 9943.24 Threads fairness: events (avg/stddev): 230569.0000/0.00 execution time (avg/stddev): 9.9432/0.00 - Volume logique LVM sur une unité de disque RAID1 avec un membre iSCSI
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Système de fichiers
ext4.$mkdir /mnt/lvol0/etu-files/benchmark$cd /mnt/lvol0/etu-files/benchmark$sysbench fileio prepare$sysbench fileio --file-test-mode=rndrw run sysbench 1.0.20 (using system LuaJIT 2.1.0-beta3) Running the test with following options: Number of threads: 1 Initializing random number generator from current time Extra file open flags: (none) 128 files, 16MiB each 2GiB total file size Block size 16KiB Number of IO requests: 0 Read/Write ratio for combined random IO test: 1.50 Periodic FSYNC enabled, calling fsync() each 100 requests. Calling fsync() at the end of test, Enabled. Using synchronous I/O mode Doing random r/w test Initializing worker threads... Threads started! File operations: reads/s: 1309.93 writes/s: 873.29 fsyncs/s: 2799.10 Throughput: read, MiB/s: 20.47 written, MiB/s: 13.65 General statistics: total time: 10.0295s total number of events: 49850 Latency (ms): min: 0.00 avg: 0.20 max: 31.26 95th percentile: 0.59 sum: 9978.89 Threads fairness: events (avg/stddev): 49850.0000/0.00 execution time (avg/stddev): 9.9789/0.00