File: falloc.fio

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fio 2.1.11-2
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[global]
ioengine=falloc
iodepth=1
direct=0
buffered=0
directory=/scratch
nrfiles=1
size=100M
filesize=100M
group_reporting


# Run falloc and punch_hole threads in parallel
# After activity file will be highly fragmented
[falloc-fuzzer]
stonewall
runtime=10
time_based=10
bssplit=4k/10:64k/50:32k/40
rw=randwrite
numjobs=1
filename=fragmented_file

[punch hole-fuzzer]
bs=4k
runtime=10
time_based=10
rw=randtrim
numjobs=2
filename=fragmented_file

## Mesure IO performance on fragmented file
[sequential aio-dio write]
stonewall
ioengine=libaio
numjobs=1
iodepth=128
buffered=0
direct=1
rw=write
bs=64k
filename=fragmented_file

[sequential buffered read]
stonewall
ioengine=sync
numjobs=1
iodepth=1
buffered=1
direct=0
rw=read
bs=64k
filename=fragmented_file