standardize scripts to run RocksDB benchmarks

Summary:
Hope these scripts will allow people to run/repro benchmark easily
I think it is time to re-run flash benchmarks and report results
Please comment if any other benchmark runs are needed

Test Plan: ran it

Reviewers: yhchiang, igor, sdong

Reviewed By: igor

Subscribers: dhruba, MarkCallaghan, leveldb

Differential Revision: https://reviews.facebook.net/D23139
main
Lei Jin 10 years ago
parent dee91c259d
commit add22e3515
  1. 205
      tools/benchmark.sh
  2. 45
      tools/run_flash_bench.sh

@ -0,0 +1,205 @@
#!/bin/bash
# REQUIRE: db_bench binary exists in the current directory
if [ $# -ne 1 ]; then
echo "./benchmark.sh [bulkload/fillseq/overwrite/filluniquerandom/readrandom/readwhilewriting]"
exit 0
fi
# size constants
K=1024
M=$((1024 * K))
G=$((1024 * M))
if [ -z $DB_DIR ]; then
echo "DB_DIR is not defined"
exit 0
fi
if [ -z $WAL_DIR ]; then
echo "WAL_DIR is not defined"
exit 0
fi
output_dir=${OUTPUT_DIR:-/tmp/}
if [ ! -d $output_dir ]; then
mkdir -p $output_dir
fi
num_read_threads=${NUM_READ_THREADS:-16}
writes_per_second=${WRITES_PER_SEC:-$((80 * K))} # (only for readwhilewriting)
cache_size=$((16 * G))
duration=${DURATION:-0}
num_keys=${NUM_KEYS:-$((1 * G))}
key_size=20
value_size=800
const_params="
--db=$DB_DIR \
--wal_dir=$WAL_DIR \
\
--num_levels=6 \
--key_size=$key_size \
--value_size=$value_size \
--block_size=4096 \
--cache_size=$cache_size \
--cache_numshardbits=6 \
--compression_type=snappy \
--compression_ratio=0.5 \
\
--hard_rate_limit=2 \
--rate_limit_delay_max_milliseconds=1000000 \
--write_buffer_size=$((128 * M)) \
--max_write_buffer_number=2 \
--target_file_size_base=$((128 * M)) \
--max_bytes_for_level_base=$((1 * G)) \
\
--sync=0 \
--disable_data_sync=1 \
--verify_checksum=1 \
--delete_obsolete_files_period_micros=$((60 * M)) \
--max_grandparent_overlap_factor=10 \
\
--statistics=1 \
--stats_per_interval=1 \
--stats_interval=$((1 * M)) \
--histogram=1 \
\
--memtablerep=skip_list \
--bloom_bits=10 \
--open_files=$((20 * K))"
l0_config="
--level0_file_num_compaction_trigger=8 \
--level0_slowdown_writes_trigger=16 \
--level0_stop_writes_trigger=24"
if [ $duration -gt 0 ]; then
const_params="$const_params --duration=$duration"
fi
params_r="$const_params $l0_config --max_background_compactions=4 --max_background_flushes=1"
params_w="$const_params $l0_config --max_background_compactions=16 --max_background_flushes=16"
params_bulkload="$const_params --max_background_compactions=16 --max_background_flushes=16 \
--level0_file_num_compaction_trigger=$((100 * M)) \
--level0_slowdown_writes_trigger=$((100 * M)) \
--level0_stop_writes_trigger=$((100 * M))"
function run_bulkload {
echo "Bulk loading $num_keys random keys into database..."
cmd="./db_bench $params_bulkload --benchmarks=fillrandom \
--use_existing_db=0 \
--num=$num_keys \
--disable_auto_compactions=1 \
--disable_data_sync=1 \
--threads=1 2>&1 | tee $output_dir/benchmark_bulkload_fillrandom.log"
echo $cmd | tee $output_dir/benchmark_bulkload_fillrandom.log
eval $cmd
echo "Compacting..."
cmd="./db_bench $params_w --benchmarks=compact \
--use_existing_db=1 \
--num=$num_keys \
--disable_auto_compactions=1 \
--disable_data_sync=1 \
--threads=1 2>&1 | tee $output_dir/benchmark_bulkload_compact.log"
echo $cmd | tee $output_dir/benchmark_bulkload_compact.log
eval $cmd
}
function run_fillseq {
echo "Loading $num_keys keys sequentially into database..."
cmd="./db_bench $params_w --benchmarks=fillseq \
--use_existing_db=0 \
--num=$num_keys \
--threads=1 2>&1 | tee $output_dir/benchmark_fillseq.log"
echo $cmd | tee $output_dir/benchmark_fillseq.log
eval $cmd
}
function run_overwrite {
echo "Loading $num_keys keys sequentially into database..."
cmd="./db_bench $params_w --benchmarks=overwrite \
--use_existing_db=1 \
--num=$num_keys \
--threads=1 2>&1 | tee $output_dir/benchmark_overwrite.log"
echo $cmd | tee $output_dir/benchmark_overwrite.log
eval $cmd
}
function run_filluniquerandom {
echo "Loading $num_keys unique keys randomly into database..."
cmd="./db_bench $params_w --benchmarks=filluniquerandom \
--use_existing_db=0 \
--num=$num_keys \
--threads=1 2>&1 | tee $output_dir/benchmark_filluniquerandom.log"
echo $cmd | tee $output_dir/benchmark_filluniquerandom.log
eval $cmd
}
function run_readrandom {
echo "Reading $num_keys random keys from database..."
cmd="./db_bench $params_r --benchmarks=readrandom \
--use_existing_db=1 \
--num=$num_keys \
--threads=$num_read_threads \
--disable_auto_compactions=1 \
2>&1 | tee $output_dir/benchmark_readrandom.log"
echo $cmd | tee $output_dir/benchmark_readrandom.log
eval $cmd
}
function run_readwhilewriting {
echo "Reading $num_keys random keys from database whiling writing.."
cmd="./db_bench $params_r --benchmarks=readwhilewriting \
--use_existing_db=1 \
--num=$num_keys \
--threads=$num_read_threads \
--writes_per_second=$writes_per_second \
2>&1 | tee $output_dir/benchmark_readwhilewriting.log"
echo $cmd | tee $output_dir/benchmark_readwhilewriting.log
eval $cmd
}
function now() {
echo `date +"%s"`
}
report="$output_dir/report.txt"
# print start time
echo "===== Benchmark ====="
# Run!!!
IFS=',' read -a jobs <<< $1
for job in ${jobs[@]}; do
echo "Start $job at `date`" | tee -a $report
start=$(now)
if [ $job = bulkload ]; then
run_bulkload
elif [ $job = fillseq ]; then
run_fillseq
elif [ $job = overwrite ]; then
run_overwrite
elif [ $job = filluniquerandom ]; then
run_filluniquerandom
elif [ $job = readrandom ]; then
run_readrandom
elif [ $job = readwhilewriting ]; then
run_readwhilewriting
else
echo "unknown job $job"
exit
fi
end=$(now)
echo "Complete $job in $((end-start)) seconds" | tee -a $report
if [[ $job = readrandom || $job = readwhilewriting ]]; then
qps=$(grep "micros\/op" "$output_dir/benchmark_$job.log" | grep "ops\/sec" | awk '{print $5}')
line=$(grep "rocksdb.db.get.micros" "$output_dir/benchmark_$job.log")
p50=$(echo $line | awk '{print $7}')
p99=$(echo $line | awk '{print $13}')
echo "Read latency p50 = $p50 us, p99 = $p99 us" | tee -a $report
echo "QPS = $qps ops/sec" | tee -a $report
fi
done

@ -0,0 +1,45 @@
#!/bin/bash
# REQUIRE: benchmark.sh exists in the current directory
# After execution of this script, log files are generated in $output_dir.
# report.txt provides a high level statistics
# Size constants
K=1024
M=$((1024 * K))
G=$((1024 * M))
n=$((1 * G))
wps=$((80 * K))
duration=$((6 * 60 * 60))
num_read_threads=24
# Update these parameters before execution !!!
db_dir="/tmp/rocksdb/"
wal_dir="/tmp/rocksdb/"
output_dir="/tmp/output"
# Test 1: bulk load
OUTPUT_DIR=$output_dir NUM_KEYS=$n DB_DIR=$db_dir WAL_DIR=$wal_dir \
./benchmark.sh bulkload
# Test 2: sequential fill
OUTPUT_DIR=$output_dir NUM_KEYS=$n DB_DIR=$db_dir WAL_DIR=$wal_dir \
./benchmark.sh fillseq
# Test 3: overwrite
OUTPUT_DIR=$output_dir NUM_KEYS=$n DB_DIR=$db_dir WAL_DIR=$wal_dir \
./benchmark.sh overwrite
# Prepare: populate DB with random data
OUTPUT_DIR=$output_dir NUM_KEYS=$n DB_DIR=$db_dir WAL_DIR=$wal_dir \
./benchmark.sh filluniquerandom
# Test 4: random read
OUTPUT_DIR=$output_dir NUM_KEYS=$n DB_DIR=$db_dir WAL_DIR=$wal_dir \
DURATION=$duration NUM_READ_THREADS=$num_read_threads \
./benchmark.sh readrandom
# Test 5: random read while writing
OUTPUT_DIR=$output_dir NUM_KEYS=$n DB_DIR=$db_dir WAL_DIR=$wal_dir \
DURATION=$duration NUM_READ_THREADS=$num_read_threads WRITES_PER_SECOND=$wps \
./benchmark.sh readwhilewriting
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