Pour obtenir des résultats fiables avec sysbench, un temps d'exécution de plusieurs heures est nécessaire. 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 RAID 1 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