# /opt/iozone/bin/iozone -I -r 512k -t 52 -s 10g
        Iozone: Performance Test of File I/O
                Version $Revision: 3.489 $
                Compiled for 64 bit mode.
                Build: linux-AMD64

        Contributors:William Norcott, Don Capps, Isom Crawford, Kirby Collins
                     Al Slater, Scott Rhine, Mike Wisner, Ken Goss
                     Steve Landherr, Brad Smith, Mark Kelly, Dr. Alain CYR,
                     Randy Dunlap, Mark Montague, Dan Million, Gavin Brebner,
                     Jean-Marc Zucconi, Jeff Blomberg, Benny Halevy, Dave Boone,
                     Erik Habbinga, Kris Strecker, Walter Wong, Joshua Root,
                     Fabrice Bacchella, Zhenghua Xue, Qin Li, Darren Sawyer,
                     Vangel Bojaxhi, Ben England, Vikentsi Lapa,
                     Alexey Skidanov, Sudhir Kumar.

        Run began: Wed May 12 07:33:50 2021

        O_DIRECT feature enabled
        Record Size 512 kB
        File size set to 10485760 kB
        Command line used: /opt/iozone/bin/iozone -I -r 512k -t 52 -s 10g
        Output is in kBytes/sec
        Time Resolution = 0.000001 seconds.
        Processor cache size set to 1024 kBytes.
        Processor cache line size set to 32 bytes.
        File stride size set to 17 * record size.
        Throughput test with 52 processes
        Each process writes a 10485760 kByte file in 512 kByte records

        Children see throughput for 52 initial writers  = 2411653.79 kB/sec
        Parent sees throughput for 52 initial writers   = 2410477.57 kB/sec
        Min throughput per process                      =   46346.03 kB/sec
        Max throughput per process                      =   46401.37 kB/sec
        Avg throughput per process                      =   46377.96 kB/sec
        Min xfer                                        = 10473472.00 kB

        Children see throughput for 52 rewriters        = 2386710.82 kB/sec
        Parent sees throughput for 52 rewriters         = 2386653.76 kB/sec
        Min throughput per process                      =   45887.50 kB/sec
        Max throughput per process                      =   45910.41 kB/sec
        Avg throughput per process                      =   45898.29 kB/sec
        Min xfer                                        = 10480640.00 kB

        Children see throughput for 52 readers          = 2299557.77 kB/sec
        Parent sees throughput for 52 readers           = 2295579.36 kB/sec
        Min throughput per process                      =   25407.70 kB/sec
        Max throughput per process                      =  221340.34 kB/sec
        Avg throughput per process                      =   44222.26 kB/sec
        Min xfer                                        = 1203712.00 kB

        Children see throughput for 52 re-readers       = 2326215.16 kB/sec
        Parent sees throughput for 52 re-readers        = 2324379.73 kB/sec
        Min throughput per process                      =   26907.88 kB/sec
        Max throughput per process                      =  225109.36 kB/sec
        Avg throughput per process                      =   44734.91 kB/sec
        Min xfer                                        = 1253888.00 kB

        Children see throughput for 52 reverse readers  = 1102113.91 kB/sec
        Parent sees throughput for 52 reverse readers   = 1102059.09 kB/sec
        Min throughput per process                      =   16777.15 kB/sec
        Max throughput per process                      =   23410.23 kB/sec
        Avg throughput per process                      =   21194.50 kB/sec
        Min xfer                                        = 7515136.00 kB

        Children see throughput for 52 stride readers   = 1023035.78 kB/sec
        Parent sees throughput for 52 stride readers    = 1022988.35 kB/sec
        Min throughput per process                      =   15378.22 kB/sec
        Max throughput per process                      =   21521.59 kB/sec
        Avg throughput per process                      =   19673.77 kB/sec
        Min xfer                                        = 7492608.00 kB

        Children see throughput for 52 random readers   = 1011820.37 kB/sec
        Parent sees throughput for 52 random readers    = 1011762.22 kB/sec
        Min throughput per process                      =   15056.36 kB/sec
        Max throughput per process                      =   21277.60 kB/sec
        Avg throughput per process                      =   19458.08 kB/sec
        Min xfer                                        = 7419904.00 kB

        Children see throughput for 52 mixed workload   =  549552.96 kB/sec
        Parent sees throughput for 52 mixed workload    =  548769.99 kB/sec
        Min throughput per process                      =    1966.81 kB/sec
        Max throughput per process                      =   17803.40 kB/sec
        Avg throughput per process                      =   10568.33 kB/sec
        Min xfer                                        = 1158656.00 kB

        Children see throughput for 52 random writers   =  465691.68 kB/sec
        Parent sees throughput for 52 random writers    =  465579.46 kB/sec
        Min throughput per process                      =    8954.48 kB/sec
        Max throughput per process                      =    8958.12 kB/sec
        Avg throughput per process                      =    8955.61 kB/sec
        Min xfer                                        = 10481664.00 kB

        Children see throughput for 52 pwrite writers   = 2555661.06 kB/sec
        Parent sees throughput for 52 pwrite writers    = 2552883.87 kB/sec
        Min throughput per process                      =   49131.03 kB/sec
        Max throughput per process                      =   49181.84 kB/sec
        Avg throughput per process                      =   49147.33 kB/sec
        Min xfer                                        = 10475008.00 kB

        Children see throughput for 52 pread readers    = 1689326.12 kB/sec
        Parent sees throughput for 52 pread readers     = 1688777.36 kB/sec
        Min throughput per process                      =   24487.76 kB/sec
        Max throughput per process                      =   68277.29 kB/sec
        Avg throughput per process                      =   32487.04 kB/sec
        Min xfer                                        = 3761152.00 kB




        Children see throughput for 52 fwriters         =  592836.99 kB/sec
        Parent sees throughput for 52 fwriters          =  509013.96 kB/sec
        Min throughput per process                      =   10936.09 kB/sec
        Max throughput per process                      =   14331.15 kB/sec
        Avg throughput per process                      =   11400.71 kB/sec
        Min xfer                                        = 10485760.00 kB

        Children see throughput for 52 freaders         = 2823607.54 kB/sec
        Parent sees throughput for 52 freaders          = 2641175.91 kB/sec
        Min throughput per process                      =   50791.99 kB/sec
        Max throughput per process                      =   59650.97 kB/sec
        Avg throughput per process                      =   54300.14 kB/sec
        Min xfer                                        = 10485760.00 kB