fio-examples/DB_Simulate.fio at main · meganerd/fio-examples · GitHub

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[seq-read]
 # Sequential reads
 rw=read
 # Size if the the I/O
 size=8g
 # Directory where the test file will be created
 #directory=/utest
 # Diables posix_fadvise - predeclare an access pattern for file data
 fadvise_hint=0
 # Block size
 blocksize=8k
 # Use of direct I/O
 direct=1
 # Number of I/O threads :
 numjobs=1
 # Number of files :
 nrfiles=1
 # Duration of the test in seconds
 runtime=300
 # Usage of ASYNC I/O
 ioengine=libaio
 # Runtime based, overwrites or overreads several times the specified file
 time_based
 # To free pagecache, dentries and inodes (only possible as root, therefore commented out) :
 # exec_prerun=echo 3 > /proc/sys/vm/drop_caches
[seq-write]
 rw=write
 size=8g
 #directory=/utest
 fadvise_hint=0
 blocksize=8k
 direct=1
 numjobs=1
 nrfiles=1
 runtime=300
 ioengine=libaio
 time_based
 # exec_prerun=echo 3 > /proc/sys/vm/drop_caches
[random-read]
 # Each process allocates one file, therefore to have 8G the size should be set to 1G with 8 processes
 rw=randread
 size=1g
 #directory=/utest
 fadvise_hint=0
 blocksize=8k
 direct=1
 numjobs=8
 nrfiles=1
 runtime=300
 ioengine=libaio
 time_based
 # exec_prerun=echo 3 > /proc/sys/vm/drop_caches
[random-write]
 # Each process allocates one file, therefore to have 8G the size should be set to 1G with 8 processes
 rw=randwrite
 size=1g
 #directory=/utest
 fadvise_hint=0
 blocksize=8k
 direct=1
 numjobs=8
 nrfiles=1
 runtime=300
 ioengine=libaio
 time_based
 # exec_prerun=echo 3 > /proc/sys/vm/drop_caches
[read-write]
 # Each process allocates one file, therefore to have 8G the size should be set to 1G with 8 processes
 rw=rw
 rwmixread=80
 size=1g
 #directory=/utest
 fadvise_hint=0
 blocksize=8k
 direct=1
 numjobs=8
 nrfiles=1
 runtime=300
 ioengine=libaio
 time_based
 # exec_prerun=echo 3 > /proc/sys/vm/drop_caches