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Create new latency benchmark for writing of one-byte files #1190

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merged 5 commits into from
Dec 11, 2024
Merged

Create new latency benchmark for writing of one-byte files #1190

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53bb693
Create seq_write_small.fio
renanmagagnin Dec 9, 2024
e7924de
Change seq_write_small from throughput to latency benchmark
renanmagagnin Dec 10, 2024
e77e680
Improve naming of benchmark and script function
renanmagagnin Dec 10, 2024
81c79aa
Adjust benchmark file name
renanmagagnin Dec 10, 2024
06b3fac
Improve formatting in run_file_benchmarks()
renanmagagnin Dec 10, 2024
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14 changes: 14 additions & 0 deletions mountpoint-s3/scripts/fio/write_latency/time_to_write_one_byte_file.fio
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Original file line number Diff line number Diff line change
@@ -0,0 +1,14 @@
[global]
name=fs_bench
bs=1B

[time_to_write_one_byte_file]
size=1B
rw=write
ioengine=sync
fallocate=none
create_on_open=1
fsync_on_close=1
unlink=1
unlink_each_loop=1
loops=10
120 changes: 63 additions & 57 deletions mountpoint-s3/scripts/fs_latency_bench.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -126,64 +126,70 @@ do
dir_size=$(awk "BEGIN {print $dir_size*10}")
done

run_file_benchmarks() {
category=$1
jobs_dir=mountpoint-s3/scripts/fio/${category}_latency

for job_file in "${jobs_dir}"/*.fio; do
mount_dir=$(mktemp -d /tmp/fio-XXXXXXXXXXXX)
job_name=$(basename "${job_file}")
job_name="${job_name%.*}"

# start time to first byte benchmark
jobs_dir=mountpoint-s3/scripts/fio/read_latency
for job_file in "${jobs_dir}"/*.fio; do
mount_dir=$(mktemp -d /tmp/fio-XXXXXXXXXXXX)
job_name=$(basename "${job_file}")
job_name="${job_name%.*}"

log_dir=logs/${job_name}
mkdir -p $log_dir

echo "Running ${job_name}"

# mount file system
cargo run --release ${S3_BUCKET_NAME} ${mount_dir} \
--allow-delete \
--allow-overwrite \
--log-directory=$log_dir \
--prefix=${S3_BUCKET_TEST_PREFIX} \
--log-metrics \
${optional_args}
mount_status=$?
if [ $mount_status -ne 0 ]; then
echo "Failed to mount file system"
exit 1
fi

# Lay out files for the test:
echo >&2 Laying out files for $job_file
fio --thread \
--directory=${mount_dir} \
--create_only=1 \
--eta=never \
${job_file}

# run the benchmark
echo >&2 Running $job_file
timeout 300s fio --thread \
--output=${results_dir}/${job_name}.json \
--output-format=json \
--directory=${mount_dir} \
${job_file}
job_status=$?
if [ $job_status -ne 0 ]; then
tail -1000 ${log_dir}/mountpoint-s3-*
echo "Job ${job_name} failed with exit code ${job_status}"
exit 1
fi

jq -n 'inputs.jobs[] | if (."job options".rw == "read")
then {name: .jobname, value: (.read.lat_ns.mean / 1000000), unit: "milliseconds"}
elif (."job options".rw == "randread") then {name: .jobname, value: (.read.lat_ns.mean / 1000000), unit: "milliseconds"}
elif (."job options".rw == "randwrite") then {name: .jobname, value: (.write.lat_ns.mean / 1000000), unit: "milliseconds"}
else {name: .jobname, value: (.write.lat_ns.mean / 1000000), unit: "milliseconds"} end' ${results_dir}/${job_name}.json | tee ${results_dir}/${job_name}_parsed.json

# delete the raw output file from fio
rm ${results_dir}/${job_name}.json
done
log_dir=logs/${job_name}
mkdir -p $log_dir

echo "Running ${job_name}"

# mount file system
cargo run --release ${S3_BUCKET_NAME} ${mount_dir} \
--allow-delete \
--allow-overwrite \
--log-directory=$log_dir \
--prefix=${S3_BUCKET_TEST_PREFIX} \
--log-metrics \
${optional_args}
mount_status=$?
if [ $mount_status -ne 0 ]; then
echo "Failed to mount file system"
exit 1
fi

# Lay out files for the test:
echo >&2 Laying out files for $job_file
fio --thread \
--directory=${mount_dir} \
--create_only=1 \
--eta=never \
${job_file}

# run the benchmark
echo >&2 Running $job_file
timeout 300s fio --thread \
--output=${results_dir}/${job_name}.json \
--output-format=json \
--directory=${mount_dir} \
${job_file}
job_status=$?
if [ $job_status -ne 0 ]; then
tail -1000 ${log_dir}/mountpoint-s3-*
echo "Job ${job_name} failed with exit code ${job_status}"
exit 1
fi

jq -n 'inputs.jobs[] | if (."job options".rw == "read")
then {name: .jobname, value: (.read.lat_ns.mean / 1000000), unit: "milliseconds"}
elif (."job options".rw == "randread") then {name: .jobname, value: (.read.lat_ns.mean / 1000000), unit: "milliseconds"}
elif (."job options".rw == "randwrite") then {name: .jobname, value: (.write.lat_ns.mean / 1000000), unit: "milliseconds"}
else {name: .jobname, value: (.write.lat_ns.mean / 1000000), unit: "milliseconds"} end' ${results_dir}/${job_name}.json | tee ${results_dir}/${job_name}_parsed.json

# delete the raw output file from fio
rm ${results_dir}/${job_name}.json

done
}

run_file_benchmarks read
run_file_benchmarks write

# combine all bench results into one json file
jq -n '[inputs]' ${results_dir}/*.json | tee ${results_dir}/output.json
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