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: 246440.56 writes/s: 164293.71 fsyncs/s: 525751.46 Throughput: read, MiB/s: 3850.63 written, MiB/s: 2567.09 General statistics: total time: 10.0002s total number of events: 9366000 Latency (ms): min: 0.00 avg: 0.00 max: 0.14 95th percentile: 0.00 sum: 9015.95 Threads fairness: events (avg/stddev): 9366000.0000/0.00 execution time (avg/stddev): 9.0160/0.00