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# Example ftruncate engine jobs

[global]
ioengine=ftruncate
directory=/scratch
size=102404k ; 100Mb+4k
stonewall
filename=truncate
runtime=10s
time_based
direct=1
#
# bs option is stub here. Truncation is performed on the current block offset.
# blocksize value is ignored
bs=4k

# truncate the file to 4Kbytes then repeatedly grow the file back to just over
# its original size using subsequent truncates
[grow-truncate]
rw=write

# Repeatedly change a file to a random size between 0Kbytes and 100Mb
# using truncates
[rand-truncate]
rw=randwrite
norandommap