IOZone


#  -c = close ()

#  -s = size

#  -r = record size

#  -O = give results in operations per second

#  -R = generate excel report

#  -o = use O_SYNC

#  -i0 = write test ( -i1 read, -i2 random read write , etc )

#  -+n = no retests

#  -w  =  leave temp files

#  -B = mmap apis , doesn't seem to work on HPUX

#  -t = # of concurrent threads


 time iozone -c     \

             -s 2g  \

             -r 1m  \

             -O     \

             -R     \

             -o     \

             -i0    \

             -+n    \

             -w     \

             -t 4   \

             -F `pwd`/single_thread_write_test.out  \

                `pwd`/single_thread_write_test1.out  \

                `pwd`/single_thread_write_test2.out  \

                `pwd`/single_thread_write_test3.out


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