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: 500.77 writes/s: 333.85 fsyncs/s: 1078.94 Throughput: read, MiB/s: 7.82 written, MiB/s: 5.22 General statistics: total time: 10.0601s total number of events: 19131 Latency (ms): min: 0.00 avg: 0.52 max: 9.18 95th percentile: 1.73 sum: 9964.84 Threads fairness: events (avg/stddev): 19131.0000/0.00 execution time (avg/stddev): 9.9648/0.00