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benchmark.sh
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benchmark.sh
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#!/usr/bin/env bash
# Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
# REQUIRE: db_bench binary exists in the current directory
# Exit Codes
EXIT_INVALID_ARGS=1
EXIT_NOT_COMPACTION_TEST=2
EXIT_UNKNOWN_JOB=3
EXIT_INVALID_PATH=4
# Size Constants
K=1024
M=$((1024 * K))
G=$((1024 * M))
T=$((1024 * G))
function display_usage() {
echo "usage: benchmark.sh [--help] <test>"
echo ""
echo "These are the available benchmark tests:"
echo -e "\tbulkload"
echo -e "\tfillseq_disable_wal\t\tSequentially fill the database with no WAL"
echo -e "\tfillseq_enable_wal\t\tSequentially fill the database with WAL"
echo -e "\toverwrite"
echo -e "\tupdaterandom"
echo -e "\treadrandom"
echo -e "\tmergerandom"
echo -e "\tfilluniquerandom"
echo -e "\tmultireadrandom"
echo -e "\tfwdrange"
echo -e "\trevrange"
echo -e "\treadwhilewriting"
echo -e "\treadwhilemerging"
echo -e "\tfwdrangewhilewriting"
echo -e "\trevrangewhilewriting"
echo -e "\tfwdrangewhilemerging"
echo -e "\trevrangewhilemerging"
echo -e "\trandomtransaction"
echo -e "\tuniversal_compaction"
echo -e "\tdebug"
echo ""
echo "Generic enviroment Variables:"
echo -e "\tJOB_ID\t\t\t\tAn identifier for the benchmark job, will appear in the results"
echo -e "\tDB_DIR\t\t\t\tPath to write the database data directory"
echo -e "\tWAL_DIR\t\t\t\tPath to write the database WAL directory"
echo -e "\tOUTPUT_DIR\t\t\tPath to write the benchmark results to (default: /tmp)"
echo -e "\tNUM_KEYS\t\t\tThe number of keys to use in the benchmark"
echo -e "\tKEY_SIZE\t\t\tThe size of the keys to use in the benchmark (default: 20 bytes)"
echo -e "\tVALUE_SIZE\t\t\tThe size of the values to use in the benchmark (default: 400 bytes)"
echo -e "\tBLOCK_SIZE\t\t\tThe size of the database blocks in the benchmark (default: 8 KB)"
echo -e "\tDB_BENCH_NO_SYNC\t\tDisable fsync on the WAL"
echo -e "\tNUMACTL\t\t\t\tWhen defined use numactl --interleave=all"
echo -e "\tNUM_THREADS\t\t\tThe number of threads to use (default: 64)"
echo -e "\tMB_WRITE_PER_SEC\t\t\tRate limit for background writer"
echo -e "\tNUM_NEXTS_PER_SEEK\t\t(default: 10)"
echo -e "\tCACHE_SIZE\t\t\tSize of the block cache (default: 16GB)"
echo -e "\tCACHE_NUMSHARDBITS\t\t\tNumber of shards for the block cache is 2 ** cache_numshardbits (default: 6)"
echo -e "\tCOMPRESSION_MAX_DICT_BYTES"
echo -e "\tCOMPRESSION_TYPE\t\tDefault compression(default: zstd)"
echo -e "\tBOTTOMMOST_COMPRESSION\t\t(default: none)"
echo -e "\tMIN_LEVEL_TO_COMPRESS\t\tValue for min_level_to_compress for Leveled"
echo -e "\tCOMPRESSION_SIZE_PERCENT\tValue for compression_size_percent for Universal"
echo -e "\tDURATION\t\t\tNumber of seconds for which the test runs"
echo -e "\tWRITES\t\t\t\tNumber of writes for which the test runs"
echo -e "\tWRITE_BUFFER_SIZE_MB\t\tThe size of the write buffer in MB (default: 128)"
echo -e "\tTARGET_FILE_SIZE_BASE_MB\tThe value for target_file_size_base in MB (default: 128)"
echo -e "\tMAX_BYTES_FOR_LEVEL_BASE_MB\tThe value for max_bytes_for_level_base in MB (default: 128)"
echo -e "\tMAX_BACKGROUND_JOBS\t\tThe value for max_background_jobs (default: 16)"
echo -e "\tCACHE_INDEX_AND_FILTER_BLOCKS\tThe value for cache_index_and_filter_blocks (default: 0)"
echo -e "\tUSE_O_DIRECT\t\t\tUse O_DIRECT for user reads and compaction"
echo -e "\tBYTES_PER_SYNC\t\t\tValue for bytes_per_sync, set to zero when USE_O_DIRECT is true"
echo -e "\tSTATS_INTERVAL_SECONDS\t\tValue for stats_interval_seconds"
echo -e "\tREPORT_INTERVAL_SECONDS\t\tValue for report_interval_seconds"
echo -e "\tSUBCOMPACTIONS\t\t\tValue for subcompactions"
echo -e "\tCOMPACTION_STYLE\t\tOne of leveled, universal, blob. Default is leveled."
echo -e "\nEnvironment variables (mostly) for leveled compaction:"
echo -e "\tLEVEL0_FILE_NUM_COMPACTION_TRIGGER\t\tValue for level0_file_num_compaction_trigger"
echo -e "\tLEVEL0_SLOWDOWN_WRITES_TRIGGER\t\t\tValue for level0_slowdown_writes_trigger"
echo -e "\tLEVEL0_STOP_WRITES_TRIGGER\t\t\tValue for level0_stop_writes_trigger"
echo -e "\tPER_LEVEL_FANOUT\t\t\t\tValue for max_bytes_for_level_multiplier"
echo -e "\tSOFT_PENDING_COMPACTION_BYTES_LIMIT_IN_GB\tThe value for soft_pending_compaction_bytes_limit in GB"
echo -e "\tHARD_PENDING_COMPACTION_BYTES_LIMIT_IN_GB\tThe value for hard_pending_compaction_bytes_limit in GB"
echo -e "\nEnvironment variables for universal compaction:"
echo -e "\tUNIVERSAL_MIN_MERGE_WIDTH\tValue of min_merge_width option for universal"
echo -e "\tUNIVERSAL_MAX_MERGE_WIDTH\tValue of min_merge_width option for universal"
echo -e "\tUNIVERSAL_SIZE_RATIO\t\tValue of size_ratio option for universal"
echo -e "\tUNIVERSAL_MAX_SIZE_AMP\t\tmax_size_amplification_percent for universal"
echo -e "\tUNIVERSAL_ALLOW_TRIVIAL_MOVE\tSet allow_trivial_move to true for universal, default is false"
echo -e "\nOptions for integrated BlobDB"
echo -e "\tMIN_BLOB_SIZE\tValue for min_blob_size"
echo -e "\tBLOB_FILE_SIZE\tValue for blob_file_size"
echo -e "\tBLOB_COMPRESSION_TYPE\tValue for blob_compression_type"
echo -e "\tBLOB_GC_AGE_CUTOFF\tValue for blob_garbage_collection_age_cutoff"
echo -e "\tBLOB_GC_FORCE_THRESHOLD\tValue for blob_garbage_collection_force_threshold"
echo -e "\tBLOB_FILE_STARTING_LEVEL\t\tBlob file starting level (default: 0)"
echo -e "\tUSE_BLOB_CACHE\t\t\tEnable blob cache (default: 1)"
echo -e "\tUSE_SHARED_BLOCK_AND_BLOB_CACHE\t\t\tUse the same backing cache for block cache and blob cache (default: 1)"
echo -e "\tBLOB_CACHE_SIZE\t\t\tSize of the blob cache (default: 16GB)"
echo -e "\tBLOB_CACHE_NUMSHARDBITS\t\t\tNumber of shards for the blob cache is 2 ** blob_cache_numshardbits (default: 6)"
echo -e "\tPREPOPULATE_BLOB_CACHE\t\t\tPre-populate hot/warm blobs in blob cache (default: 0)"
}
if [ $# -lt 1 ]; then
display_usage
exit $EXIT_INVALID_ARGS
fi
bench_cmd=$1
shift
bench_args=$*
if [[ "$bench_cmd" == "--help" ]]; then
display_usage
exit
fi
job_id=${JOB_ID}
if [ ! -x ./db_bench ]; then
echo "./db_bench not found. Please make sure it exists in the current directory."
exit $EXIT_INVALID_PATH
fi
# Make it easier to run only the compaction test. Getting valid data requires
# a number of iterations and having an ability to run the test separately from
# rest of the benchmarks helps.
if [ "$COMPACTION_TEST" == "1" -a "$bench_cmd" != "universal_compaction" ]; then
echo "Skipping $1 because it's not a compaction test."
exit $EXIT_NOT_COMPACTION_TEST
fi
if [ -z $DB_DIR ]; then
echo "DB_DIR is not defined"
exit $EXIT_INVALID_ARGS
fi
if [ -z $WAL_DIR ]; then
echo "WAL_DIR is not defined"
exit $EXIT_INVALID_ARGS
fi
output_dir=${OUTPUT_DIR:-/tmp}
if [ ! -d $output_dir ]; then
mkdir -p $output_dir
fi
report="$output_dir/report.tsv"
schedule="$output_dir/schedule.txt"
# all multithreaded tests run with sync=1 unless
# $DB_BENCH_NO_SYNC is defined
syncval="1"
if [ ! -z $DB_BENCH_NO_SYNC ]; then
echo "Turning sync off for all multithreaded tests"
syncval="0";
fi
compaction_style=${COMPACTION_STYLE:-leveled}
if [ $compaction_style = "leveled" ]; then
echo Use leveled compaction
elif [ $compaction_style = "universal" ]; then
echo Use universal compaction
elif [ $compaction_style = "blob" ]; then
echo Use blob compaction
else
echo COMPACTION_STYLE is :: $COMPACTION_STYLE :: and must be one of leveled, universal, blob
exit $EXIT_INVALID_ARGS
fi
num_threads=${NUM_THREADS:-64}
mb_written_per_sec=${MB_WRITE_PER_SEC:-0}
# Only for tests that do range scans
num_nexts_per_seek=${NUM_NEXTS_PER_SEEK:-10}
cache_size=${CACHE_SIZE:-$(( 16 * $G ))}
cache_numshardbits=${CACHE_NUMSHARDBITS:-6}
compression_max_dict_bytes=${COMPRESSION_MAX_DICT_BYTES:-0}
compression_type=${COMPRESSION_TYPE:-zstd}
min_level_to_compress=${MIN_LEVEL_TO_COMPRESS:-"-1"}
compression_size_percent=${COMPRESSION_SIZE_PERCENT:-"-1"}
duration=${DURATION:-0}
writes=${WRITES:-0}
num_keys=${NUM_KEYS:-8000000000}
key_size=${KEY_SIZE:-20}
value_size=${VALUE_SIZE:-400}
block_size=${BLOCK_SIZE:-8192}
write_buffer_mb=${WRITE_BUFFER_SIZE_MB:-128}
target_file_mb=${TARGET_FILE_SIZE_BASE_MB:-128}
l1_mb=${MAX_BYTES_FOR_LEVEL_BASE_MB:-1024}
max_background_jobs=${MAX_BACKGROUND_JOBS:-16}
stats_interval_seconds=${STATS_INTERVAL_SECONDS:-60}
report_interval_seconds=${REPORT_INTERVAL_SECONDS:-1}
subcompactions=${SUBCOMPACTIONS:-1}
per_level_fanout=${PER_LEVEL_FANOUT:-8}
cache_index_and_filter=${CACHE_INDEX_AND_FILTER_BLOCKS:-0}
if [[ $cache_index_and_filter -eq 0 ]]; then
cache_meta_flags=""
elif [[ $cache_index_and_filter -eq 1 ]]; then
cache_meta_flags="\
--cache_index_and_filter_blocks=$cache_index_and_filter \
--cache_high_pri_pool_ratio=0.5 --cache_low_pri_pool_ratio=0"
else
echo CACHE_INDEX_AND_FILTER_BLOCKS was $CACHE_INDEX_AND_FILTER_BLOCKS but must be 0 or 1
exit $EXIT_INVALID_ARGS
fi
soft_pending_arg=""
if [ ! -z $SOFT_PENDING_COMPACTION_BYTES_LIMIT_IN_GB ]; then
soft_pending_bytes=$( echo $SOFT_PENDING_COMPACTION_BYTES_LIMIT_IN_GB | \
awk '{ printf "%.0f", $1 * GB }' GB=$G )
soft_pending_arg="--soft_pending_compaction_bytes_limit=$soft_pending_bytes"
fi
hard_pending_arg=""
if [ ! -z $HARD_PENDING_COMPACTION_BYTES_LIMIT_IN_GB ]; then
hard_pending_bytes=$( echo $HARD_PENDING_COMPACTION_BYTES_LIMIT_IN_GB | \
awk '{ printf "%.0f", $1 * GB }' GB=$G )
hard_pending_arg="--hard_pending_compaction_bytes_limit=$hard_pending_bytes"
fi
o_direct_flags=""
if [ ! -z $USE_O_DIRECT ]; then
# Some of these flags are only supported in new versions and --undefok makes that work
o_direct_flags="--use_direct_reads --use_direct_io_for_flush_and_compaction --prepopulate_block_cache=1"
bytes_per_sync=0
else
bytes_per_sync=${BYTES_PER_SYNC:-$(( 1 * M ))}
fi
univ_min_merge_width=${UNIVERSAL_MIN_MERGE_WIDTH:-2}
univ_max_merge_width=${UNIVERSAL_MAX_MERGE_WIDTH:-20}
univ_size_ratio=${UNIVERSAL_SIZE_RATIO:-1}
univ_max_size_amp=${UNIVERSAL_MAX_SIZE_AMP:-200}
if [ ! -z $UNIVERSAL_ALLOW_TRIVIAL_MOVE ]; then
univ_allow_trivial_move=1
else
univ_allow_trivial_move=0
fi
min_blob_size=${MIN_BLOB_SIZE:-0}
blob_file_size=${BLOB_FILE_SIZE:-$(( 256 * $M ))}
blob_compression_type=${BLOB_COMPRESSION_TYPE:-${compression_type}}
blob_gc_age_cutoff=${BLOB_GC_AGE_CUTOFF:-"0.25"}
blob_gc_force_threshold=${BLOB_GC_FORCE_THRESHOLD:-1}
blob_file_starting_level=${BLOB_FILE_STARTING_LEVEL:-0}
use_blob_cache=${USE_BLOB_CACHE:-1}
use_shared_block_and_blob_cache=${USE_SHARED_BLOCK_AND_BLOB_CACHE:-1}
blob_cache_size=${BLOB_CACHE_SIZE:-$(( 16 * $G ))}
blob_cache_numshardbits=${BLOB_CACHE_NUMSHARDBITS:-6}
prepopulate_blob_cache=${PREPOPULATE_BLOB_CACHE:-0}
# This script still works back to RocksDB 6.0
undef_params="\
use_blob_cache,\
use_shared_block_and_blob_cache,\
blob_cache_size,blob_cache_numshardbits,\
prepopulate_blob_cache,\
multiread_batched,\
cache_low_pri_pool_ratio,\
prepopulate_block_cache"
const_params_base="
--undefok=$undef_params \
--db=$DB_DIR \
--wal_dir=$WAL_DIR \
\
--num=$num_keys \
--key_size=$key_size \
--value_size=$value_size \
--block_size=$block_size \
--cache_size=$cache_size \
--cache_numshardbits=$cache_numshardbits \
--compression_max_dict_bytes=$compression_max_dict_bytes \
--compression_ratio=0.5 \
--compression_type=$compression_type \
--bytes_per_sync=$bytes_per_sync \
$cache_meta_flags \
$o_direct_flags \
--benchmark_write_rate_limit=$(( 1024 * 1024 * $mb_written_per_sec )) \
\
--write_buffer_size=$(( $write_buffer_mb * M)) \
--target_file_size_base=$(( $target_file_mb * M)) \
--max_bytes_for_level_base=$(( $l1_mb * M)) \
\
--verify_checksum=1 \
--delete_obsolete_files_period_micros=$((60 * M)) \
--max_bytes_for_level_multiplier=$per_level_fanout \
\
--statistics=0 \
--stats_per_interval=1 \
--stats_interval_seconds=$stats_interval_seconds \
--report_interval_seconds=$report_interval_seconds \
--histogram=1 \
\
--memtablerep=skip_list \
--bloom_bits=10 \
--open_files=-1 \
--subcompactions=$subcompactions \
\
$bench_args"
level_const_params="
$const_params_base \
--compaction_style=0 \
--num_levels=8 \
--min_level_to_compress=$min_level_to_compress \
--level_compaction_dynamic_level_bytes=true \
--pin_l0_filter_and_index_blocks_in_cache=1 \
$soft_pending_arg \
$hard_pending_arg \
"
# These inherit level_const_params because the non-blob LSM tree uses leveled compaction.
blob_const_params="
$level_const_params \
--enable_blob_files=true \
--min_blob_size=$min_blob_size \
--blob_file_size=$blob_file_size \
--blob_compression_type=$blob_compression_type \
--enable_blob_garbage_collection=true \
--blob_garbage_collection_age_cutoff=$blob_gc_age_cutoff \
--blob_garbage_collection_force_threshold=$blob_gc_force_threshold \
--blob_file_starting_level=$blob_file_starting_level \
--use_blob_cache=$use_blob_cache \
--use_shared_block_and_blob_cache=$use_shared_block_and_blob_cache \
--blob_cache_size=$blob_cache_size \
--blob_cache_numshardbits=$blob_cache_numshardbits \
--prepopulate_blob_cache=$prepopulate_blob_cache \
"
# TODO:
# pin_l0_filter_and..., is this OK?
univ_const_params="
$const_params_base \
--compaction_style=1 \
--num_levels=40 \
--universal_compression_size_percent=$compression_size_percent \
--pin_l0_filter_and_index_blocks_in_cache=1 \
--universal_min_merge_width=$univ_min_merge_width \
--universal_max_merge_width=$univ_max_merge_width \
--universal_size_ratio=$univ_size_ratio \
--universal_max_size_amplification_percent=$univ_max_size_amp \
--universal_allow_trivial_move=$univ_allow_trivial_move \
"
if [ $compaction_style == "leveled" ]; then
const_params="$level_const_params"
l0_file_num_compaction_trigger=${LEVEL0_FILE_NUM_COMPACTION_TRIGGER:-4}
l0_slowdown_writes_trigger=${LEVEL0_SLOWDOWN_WRITES_TRIGGER:-20}
l0_stop_writes_trigger=${LEVEL0_STOP_WRITES_TRIGGER:-30}
elif [ $compaction_style == "universal" ]; then
const_params="$univ_const_params"
l0_file_num_compaction_trigger=${LEVEL0_FILE_NUM_COMPACTION_TRIGGER:-8}
l0_slowdown_writes_trigger=${LEVEL0_SLOWDOWN_WRITES_TRIGGER:-20}
l0_stop_writes_trigger=${LEVEL0_STOP_WRITES_TRIGGER:-30}
else
# compaction_style == "blob"
const_params="$blob_const_params"
l0_file_num_compaction_trigger=${LEVEL0_FILE_NUM_COMPACTION_TRIGGER:-4}
l0_slowdown_writes_trigger=${LEVEL0_SLOWDOWN_WRITES_TRIGGER:-20}
l0_stop_writes_trigger=${LEVEL0_STOP_WRITES_TRIGGER:-30}
fi
l0_config="
--level0_file_num_compaction_trigger=$l0_file_num_compaction_trigger \
--level0_slowdown_writes_trigger=$l0_slowdown_writes_trigger \
--level0_stop_writes_trigger=$l0_stop_writes_trigger"
# You probably don't want to set both --writes and --duration
if [ $duration -gt 0 ]; then
const_params="$const_params --duration=$duration"
fi
if [ $writes -gt 0 ]; then
const_params="$const_params --writes=$writes"
fi
params_w="$l0_config \
--max_background_jobs=$max_background_jobs \
--max_write_buffer_number=8 \
$const_params"
params_bulkload="--max_background_jobs=$max_background_jobs \
--max_write_buffer_number=8 \
--allow_concurrent_memtable_write=false \
--level0_file_num_compaction_trigger=$((10 * M)) \
--level0_slowdown_writes_trigger=$((10 * M)) \
--level0_stop_writes_trigger=$((10 * M)) \
$const_params "
params_fillseq="--allow_concurrent_memtable_write=false \
$params_w "
#
# Tune values for level and universal compaction.
# For universal compaction, these level0_* options mean total sorted of runs in
# LSM. In level-based compaction, it means number of L0 files.
#
params_level_compact="$const_params \
--max_background_flushes=4 \
--max_write_buffer_number=4 \
--level0_file_num_compaction_trigger=4 \
--level0_slowdown_writes_trigger=16 \
--level0_stop_writes_trigger=20"
params_univ_compact="$const_params \
--max_background_flushes=4 \
--max_write_buffer_number=4 \
--level0_file_num_compaction_trigger=8 \
--level0_slowdown_writes_trigger=16 \
--level0_stop_writes_trigger=20"
tsv_header="ops_sec\tmb_sec\tlsm_sz\tblob_sz\tc_wgb\tw_amp\tc_mbps\tc_wsecs\tc_csecs\tb_rgb\tb_wgb\tusec_op\tp50\tp99\tp99.9\tp99.99\tpmax\tuptime\tstall%\tNstall\tu_cpu\ts_cpu\trss\ttest\tdate\tversion\tjob_id\tgithash"
function get_cmd() {
output=$1
numa=""
if [ ! -z $NUMACTL ]; then
numa="numactl --interleave=all "
fi
# Try to use timeout when duration is set because some tests (revrange*) hang
# for some versions (v6.10, v6.11).
timeout_cmd=""
if [ $duration -gt 0 ]; then
if hash timeout ; then
timeout_cmd="timeout $(( $duration + 600 ))"
fi
fi
echo "/usr/bin/time -f '%e %U %S' -o $output $numa $timeout_cmd"
}
function month_to_num() {
local date_str=$1
date_str="${date_str/Jan/01}"
date_str="${date_str/Feb/02}"
date_str="${date_str/Mar/03}"
date_str="${date_str/Apr/04}"
date_str="${date_str/May/05}"
date_str="${date_str/Jun/06}"
date_str="${date_str/Jul/07}"
date_str="${date_str/Aug/08}"
date_str="${date_str/Sep/09}"
date_str="${date_str/Oct/10}"
date_str="${date_str/Nov/11}"
date_str="${date_str/Dec/12}"
echo $date_str
}
function start_stats {
output=$1
iostat -y -mx 1 >& $output.io &
vmstat 1 >& $output.vm &
# tail -1 because "ps | grep db_bench" returns 2 entries and we want the second
while :; do ps aux | grep db_bench | grep -v grep | tail -1; sleep 10; done >& $output.ps &
# This sets a global value
pspid=$!
while :; do
eval $( ls -l $DB_DIR 2> /dev/null | awk '
BEGIN { gb = 1024*1024*1024 }
/blob/{ bb += $5 } /sst/{ sb += $5 } { ab += $5 }
END { printf "b_gb=%.1f s_gb=%.1f a_gb=%.1f", bb / gb, sb / gb, ab / gb }
')
l_gb=$( ls -l $WAL_DIR 2> /dev/null | awk '/log/{ b += $5 } END { printf "%.1f", b / (1024*1024*1024) }' )
ts=$( date +%H%M%S )
echo -e "${a_gb}\t${s_gb}\t${l_gb}\t${b_gb}\t${ts}"
sleep 10
done >& $output.sizes &
# This sets a global value
szpid=$!
}
function stop_stats {
output=$1
kill $pspid
kill $szpid
killall iostat
killall vmstat
sleep 1
gzip $output.io
gzip $output.vm
am=$( sort -nk 1,1 $output.sizes | tail -1 | awk '{ print $1 }' )
sm=$( sort -nk 2,2 $output.sizes | tail -1 | awk '{ print $2 }' )
lm=$( sort -nk 3,3 $output.sizes | tail -1 | awk '{ print $3 }' )
bm=$( sort -nk 4,4 $output.sizes | tail -1 | awk '{ print $4 }' )
echo -e "max sizes (GB): $am all, $sm sst, $lm log, $bm blob" >> $output.sizes
}
function units_as_gb {
size=$1
units=$2
case $units in
MB)
echo "$size" | awk '{ printf "%.1f", $1 / 1024.0 }'
;;
GB)
echo "$size"
;;
TB)
echo "$size" | awk '{ printf "%.1f", $1 * 1024.0 }'
;;
*)
echo "NA"
;;
esac
}
function summarize_result {
test_out=$1
test_name=$2
bench_name=$3
# In recent versions these can be found directly via db_bench --version, --build_info but
# grepping from the log lets this work on older versions.
version="$( grep "RocksDB version:" "$DB_DIR"/LOG | head -1 | awk '{ printf "%s", $5 }' )"
git_hash="$( grep "Git sha" "$DB_DIR"/LOG | head -1 | awk '{ printf "%s", substr($5, 1, 10) }' )"
# Note that this function assumes that the benchmark executes long enough so
# that "Compaction Stats" is written to stdout at least once. If it won't
# happen then empty output from grep when searching for "Sum" will cause
# syntax errors.
date=$( grep ^Date: $test_out | awk '{ print $6 "-" $3 "-" $4 "T" $5 }' )
my_date=$( month_to_num $date )
uptime=$( grep ^Uptime\(secs $test_out | tail -1 | awk '{ printf "%.0f", $2 }' )
stall_pct=$( grep "^Cumulative stall" $test_out| tail -1 | awk '{ print $5 }' )
nstall=$( grep ^Stalls\(count\): $test_out | tail -1 | awk '{ print $2 + $6 + $10 + $14 + $18 + $20 }' )
if ! grep ^"$bench_name" "$test_out" > /dev/null 2>&1 ; then
echo -e "failed\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t$test_name\t$my_date\t$version\t$job_id\t$git_hash"
return
fi
# Output formats
# V1: readrandom : 10.218 micros/op 3131616 ops/sec; 1254.3 MB/s (176144999 of 176144999 found)
# The MB/s is mssing for multireadrandom
# V1a: multireadrandom : 10.164 micros/op 3148272 ops/sec; (177099990 of 177099990 found)
# V1: overwrite : 7.939 micros/op 125963 ops/sec; 50.5 MB/s
# V2: overwrite : 7.854 micros/op 127320 ops/sec 1800.001 seconds 229176999 operations; 51.0 MB/s
format_version=$( grep ^"$bench_name" "$test_out" \
| awk '{ if (NF >= 10 && $8 == "seconds") { print "V2" } else { print "V1" } }' )
if [ $format_version == "V1" ]; then
ops_sec=$( grep ^"$bench_name" "$test_out" | awk '{ print $5 }' )
usecs_op=$( grep ^"$bench_name" "$test_out" | awk '{ printf "%.1f", $3 }' )
if [ "$bench_name" == "multireadrandom" ]; then
mb_sec="NA"
else
mb_sec=$( grep ^"$bench_name" "$test_out" | awk '{ print $7 }' )
fi
else
ops_sec=$( grep ^"$bench_name" "$test_out" | awk '{ print $5 }' )
usecs_op=$( grep ^"$bench_name" "$test_out" | awk '{ printf "%.1f", $3 }' )
mb_sec=$( grep ^"$bench_name" "$test_out" | awk '{ print $11 }' )
fi
# For RocksDB version 4.x there are fewer fields but this still parses correctly
# Cumulative writes: 242M writes, 242M keys, 18M commit groups, 12.9 writes per commit group, ingest: 95.96 GB, 54.69 MB/s
cum_writes_gb_orig=$( grep "^Cumulative writes" "$test_out" | tail -1 | awk '{ for (x=1; x<=NF; x++) { if ($x == "ingest:") { printf "%.1f", $(x+1) } } }' )
cum_writes_units=$( grep "^Cumulative writes" "$test_out" | tail -1 | awk '{ for (x=1; x<=NF; x++) { if ($x == "ingest:") { print $(x+2) } } }' | sed 's/,//g' )
cum_writes_gb=$( units_as_gb "$cum_writes_gb_orig" "$cum_writes_units" )
# Cumulative compaction: 1159.74 GB write, 661.03 MB/s write, 1108.89 GB read, 632.04 MB/s read, 6284.3 seconds
cmb_ps=$( grep "^Cumulative compaction" "$test_out" | tail -1 | awk '{ printf "%.1f", $6 }' )
sum_wgb_orig=$( grep "^Cumulative compaction" "$test_out" | tail -1 | awk '{ printf "%.1f", $3 }' )
sum_wgb_units=$( grep "^Cumulative compaction" "$test_out" | tail -1 | awk '{ print $4 }' )
sum_wgb=$( units_as_gb "$sum_wgb_orig" "$sum_wgb_units" )
# Flush(GB): cumulative 97.193, interval 1.247
flush_wgb=$( grep "^Flush(GB)" "$test_out" | tail -1 | awk '{ print $3 }' | tr ',' ' ' | awk '{ print $1 }' )
if [[ "$sum_wgb" == "NA" || \
"$cum_writes_gb" == "NA" || \
"$cum_writes_gb_orig" == "0.0" || \
-z "$cum_writes_gb_orig" || \
-z "$flush_wgb" ]]; then
wamp="NA"
else
wamp=$( echo "( $sum_wgb + $flush_wgb ) / $cum_writes_gb" | bc -l | awk '{ printf "%.1f", $1 }' )
fi
c_wsecs=$( grep "^ Sum" $test_out | tail -1 | awk '{ printf "%.0f", $15 }' )
c_csecs=$( grep "^ Sum" $test_out | tail -1 | awk '{ printf "%.0f", $16 }' )
lsm_size=$( grep "^ Sum" "$test_out" | tail -1 | awk '{ printf "%.0f%s", $3, $4 }' )
blob_size=$( grep "^Blob file count:" "$test_out" | tail -1 | awk '{ printf "%.0f%s", $7, $8 }' )
# Remove the trailing comma from blob_size: 3.0GB, -> 3.0GB
blob_size="${blob_size/,/}"
b_rgb=$( grep "^ Sum" $test_out | tail -1 | awk '{ printf "%.0f", $21 }' )
b_wgb=$( grep "^ Sum" $test_out | tail -1 | awk '{ printf "%.0f", $22 }' )
p50=$( grep "^Percentiles:" $test_out | tail -1 | awk '{ printf "%.1f", $3 }' )
p99=$( grep "^Percentiles:" $test_out | tail -1 | awk '{ printf "%.0f", $7 }' )
p999=$( grep "^Percentiles:" $test_out | tail -1 | awk '{ printf "%.0f", $9 }' )
p9999=$( grep "^Percentiles:" $test_out | tail -1 | awk '{ printf "%.0f", $11 }' )
pmax=$( grep "^Min: " $test_out | grep Median: | grep Max: | awk '{ printf "%.0f", $6 }' )
# Use the last line because there might be extra lines when the db_bench process exits with an error
time_out="$test_out".time
u_cpu=$( tail -1 "$time_out" | awk '{ printf "%.1f", $2 / 1000.0 }' )
s_cpu=$( tail -1 "$time_out" | awk '{ printf "%.1f", $3 / 1000.0 }' )
rss="NA"
if [ -f $test_out.stats.ps ]; then
rss=$( awk '{ printf "%.1f\n", $6 / (1024 * 1024) }' "$test_out".stats.ps | sort -n | tail -1 )
fi
# if the report TSV (Tab Separate Values) file does not yet exist, create it and write the header row to it
if [ ! -f "$report" ]; then
echo -e "# ops_sec - operations per second" >> "$report"
echo -e "# mb_sec - ops_sec * size-of-operation-in-MB" >> "$report"
echo -e "# lsm_sz - size of LSM tree" >> "$report"
echo -e "# blob_sz - size of BlobDB logs" >> "$report"
echo -e "# c_wgb - GB written by compaction" >> "$report"
echo -e "# w_amp - Write-amplification as (bytes written by compaction / bytes written by memtable flush)" >> "$report"
echo -e "# c_mbps - Average write rate for compaction" >> "$report"
echo -e "# c_wsecs - Wall clock seconds doing compaction" >> "$report"
echo -e "# c_csecs - CPU seconds doing compaction" >> "$report"
echo -e "# b_rgb - Blob compaction read GB" >> "$report"
echo -e "# b_wgb - Blob compaction write GB" >> "$report"
echo -e "# usec_op - Microseconds per operation" >> "$report"
echo -e "# p50, p99, p99.9, p99.99 - 50th, 99th, 99.9th, 99.99th percentile response time in usecs" >> "$report"
echo -e "# pmax - max response time in usecs" >> "$report"
echo -e "# uptime - RocksDB uptime in seconds" >> "$report"
echo -e "# stall% - Percentage of time writes are stalled" >> "$report"
echo -e "# Nstall - Number of stalls" >> "$report"
echo -e "# u_cpu - #seconds/1000 of user CPU" >> "$report"
echo -e "# s_cpu - #seconds/1000 of system CPU" >> "$report"
echo -e "# rss - max RSS in GB for db_bench process" >> "$report"
echo -e "# test - Name of test" >> "$report"
echo -e "# date - Date/time of test" >> "$report"
echo -e "# version - RocksDB version" >> "$report"
echo -e "# job_id - User-provided job ID" >> "$report"
echo -e "# githash - git hash at which db_bench was compiled" >> "$report"
echo -e $tsv_header >> "$report"
fi
echo -e "$ops_sec\t$mb_sec\t$lsm_size\t$blob_size\t$sum_wgb\t$wamp\t$cmb_ps\t$c_wsecs\t$c_csecs\t$b_rgb\t$b_wgb\t$usecs_op\t$p50\t$p99\t$p999\t$p9999\t$pmax\t$uptime\t$stall_pct\t$nstall\t$u_cpu\t$s_cpu\t$rss\t$test_name\t$my_date\t$version\t$job_id\t$git_hash" \
>> "$report"
}
function run_bulkload {
# This runs with a vector memtable and the WAL disabled to load faster. It is still crash safe and the
# client can discover where to restart a load after a crash. I think this is a good way to load.
echo "Bulk loading $num_keys random keys"
log_file_name=$output_dir/benchmark_bulkload_fillrandom.log
time_cmd=$( get_cmd $log_file_name.time )
cmd="$time_cmd ./db_bench --benchmarks=fillrandom,stats \
--use_existing_db=0 \
--disable_auto_compactions=1 \
--sync=0 \
$params_bulkload \
--threads=1 \
--memtablerep=vector \
--allow_concurrent_memtable_write=false \
--disable_wal=1 \
--seed=$( date +%s ) \
--report_file=${log_file_name}.r.csv \
2>&1 | tee -a $log_file_name"
if [[ "$job_id" != "" ]]; then
echo "Job ID: ${job_id}" > $log_file_name
echo $cmd | tee -a $log_file_name
else
echo $cmd | tee $log_file_name
fi
eval $cmd
summarize_result $log_file_name bulkload fillrandom
echo "Compacting..."
log_file_name=$output_dir/benchmark_bulkload_compact.log
time_cmd=$( get_cmd $log_file_name.time )
cmd="$time_cmd ./db_bench --benchmarks=compact,stats \
--use_existing_db=1 \
--disable_auto_compactions=1 \
--sync=0 \
$params_w \
--threads=1 \
2>&1 | tee -a $log_file_name"
if [[ "$job_id" != "" ]]; then
echo "Job ID: ${job_id}" > $log_file_name
echo $cmd | tee -a $log_file_name
else
echo $cmd | tee $log_file_name
fi
eval $cmd
}
#
# Parameter description:
#
# $1 - 1 if I/O statistics should be collected.
# $2 - compaction type to use (level=0, universal=1).
# $3 - number of subcompactions.
# $4 - number of maximum background compactions.
#
function run_manual_compaction_worker {
# This runs with a vector memtable and the WAL disabled to load faster.
# It is still crash safe and the client can discover where to restart a
# load after a crash. I think this is a good way to load.
echo "Bulk loading $num_keys random keys for manual compaction."
log_file_name=$output_dir/benchmark_man_compact_fillrandom_$3.log
if [ "$2" == "1" ]; then
extra_params=$params_univ_compact
else
extra_params=$params_level_compact
fi
# Make sure that fillrandom uses the same compaction options as compact.
time_cmd=$( get_cmd $log_file_name.time )
cmd="$time_cmd ./db_bench --benchmarks=fillrandom,stats \
--use_existing_db=0 \
--disable_auto_compactions=0 \
--sync=0 \
$extra_params \
--threads=$num_threads \
--compaction_measure_io_stats=$1 \
--compaction_style=$2 \
--subcompactions=$3 \
--memtablerep=vector \
--allow_concurrent_memtable_write=false \
--disable_wal=1 \
--max_background_compactions=$4 \
--seed=$( date +%s ) \
2>&1 | tee -a $log_file_name"
if [[ "$job_id" != "" ]]; then
echo "Job ID: ${job_id}" > $log_file_name
echo $cmd | tee -a $log_file_name
else
echo $cmd | tee $log_file_name
fi
eval $cmd
summarize_result $log_file_namefillrandom_output_file man_compact_fillrandom_$3 fillrandom
echo "Compacting with $3 subcompactions specified ..."
log_file_name=$output_dir/benchmark_man_compact_$3.log
# This is the part we're really interested in. Given that compact benchmark
# doesn't output regular statistics then we'll just use the time command to
# measure how long this step takes.
cmd="{ \
time ./db_bench --benchmarks=compact,stats \
--use_existing_db=1 \
--disable_auto_compactions=0 \
--sync=0 \
$extra_params \
--threads=$num_threads \
--compaction_measure_io_stats=$1 \
--compaction_style=$2 \
--subcompactions=$3 \
--max_background_compactions=$4 \
;}
2>&1 | tee -a $log_file_name"
if [[ "$job_id" != "" ]]; then
echo "Job ID: ${job_id}" > $log_file_name
echo $cmd | tee -a $log_file_name
else
echo $cmd | tee $log_file_name
fi
eval $cmd
# Can't use summarize_result here. One way to analyze the results is to run
# "grep real" on the resulting log files.
}
function run_univ_compaction {
# Always ask for I/O statistics to be measured.
io_stats=1
# Values: kCompactionStyleLevel = 0x0, kCompactionStyleUniversal = 0x1.
compaction_style=1
# Define a set of benchmarks.
subcompactions=(1 2 4 8 16)
max_background_compactions=(16 16 8 4 2)
i=0
total=${#subcompactions[@]}
# Execute a set of benchmarks to cover variety of scenarios.
while [ "$i" -lt "$total" ]
do
run_manual_compaction_worker $io_stats $compaction_style ${subcompactions[$i]} \
${max_background_compactions[$i]}
((i++))
done
}
function run_fillseq {
# This runs with a vector memtable. WAL can be either disabled or enabled
# depending on the input parameter (1 for disabled, 0 for enabled). The main
# benefit behind disabling WAL is to make loading faster. It is still crash
# safe and the client can discover where to restart a load after a crash. I
# think this is a good way to load.
# Make sure that we'll have unique names for all the files so that data won't
# be overwritten.
if [ $1 == 1 ]; then
log_file_name="${output_dir}/benchmark_fillseq.wal_disabled.v${value_size}.log"
test_name=fillseq.wal_disabled.v${value_size}
else
log_file_name="${output_dir}/benchmark_fillseq.wal_enabled.v${value_size}.log"
test_name=fillseq.wal_enabled.v${value_size}
fi
# For Leveled compaction hardwire this to 0 so that data that is trivial-moved
# to larger levels (3, 4, etc) will be compressed.
if [ $compaction_style == "leveled" ]; then
comp_arg="--min_level_to_compress=0"
elif [ $compaction_style == "universal" ]; then
if [ ! -z $UNIVERSAL_ALLOW_TRIVIAL_MOVE ]; then
# See GetCompressionFlush where compression_size_percent < 1 means use the default
# compression which is needed because trivial moves are enabled
comp_arg="--universal_compression_size_percent=-1"
else
# See GetCompressionFlush where compression_size_percent > 0 means no compression.
# Don't set anything here because compression_size_percent is set in univ_const_params
comp_arg=""
fi
else
# compaction_style == "blob"
comp_arg="--min_level_to_compress=0"
fi
echo "Loading $num_keys keys sequentially"
time_cmd=$( get_cmd $log_file_name.time )
cmd="$time_cmd ./db_bench --benchmarks=fillseq,stats \
$params_fillseq \
$comp_arg \
--use_existing_db=0 \
--sync=0 \
--threads=1 \
--memtablerep=vector \
--allow_concurrent_memtable_write=false \
--disable_wal=$1 \
--seed=$( date +%s ) \
--report_file=${log_file_name}.r.csv \
2>&1 | tee -a $log_file_name"
if [[ "$job_id" != "" ]]; then
echo "Job ID: ${job_id}" > $log_file_name
echo $cmd | tee -a $log_file_name
else
echo $cmd | tee $log_file_name
fi
start_stats $log_file_name.stats
eval $cmd
stop_stats $log_file_name.stats
# The constant "fillseq" which we pass to db_bench is the benchmark name.
summarize_result $log_file_name $test_name fillseq
}
function run_lsm {
# This flushes the memtable and L0 to get the LSM tree into a deterministic
# state for read-only tests that will follow.
echo "Flush memtable, wait, compact L0, wait"
job=$1
if [ $job = flush_mt_l0 ]; then
benchmarks=levelstats,flush,waitforcompaction,compact0,waitforcompaction,memstats,levelstats
elif [ $job = waitforcompaction ]; then
benchmarks=levelstats,waitforcompaction,memstats,levelstats
else
echo Job unknown: $job
exit $EXIT_NOT_COMPACTION_TEST
fi
log_file_name=$output_dir/benchmark_${job}.log
time_cmd=$( get_cmd $log_file_name.time )
cmd="$time_cmd ./db_bench --benchmarks=$benchmarks,stats \
--use_existing_db=1 \
--sync=0 \
$params_w \
--threads=1 \
--seed=$( date +%s ) \
2>&1 | tee -a $log_file_name"
if [[ "$job_id" != "" ]]; then
echo "Job ID: ${job_id}" > $log_file_name
echo $cmd | tee -a $log_file_name
else
echo $cmd | tee $log_file_name
fi
start_stats $log_file_name.stats
# waitforcompaction can hang with universal (compaction_style=1)
# see bug https://github.com/facebook/rocksdb/issues/9275
eval $cmd
stop_stats $log_file_name.stats
# Don't summarize, the log doesn't have the output needed for it
}
function run_change {
output_name=$1
grep_name=$2
benchmarks=$3
echo "Do $num_keys random $output_name"
log_file_name="$output_dir/benchmark_${output_name}.t${num_threads}.s${syncval}.log"
time_cmd=$( get_cmd $log_file_name.time )
cmd="$time_cmd ./db_bench --benchmarks=$benchmarks,stats \
--use_existing_db=1 \
--sync=$syncval \
$params_w \
--threads=$num_threads \
--merge_operator=\"put\" \
--seed=$( date +%s ) \
--report_file=${log_file_name}.r.csv \
2>&1 | tee -a $log_file_name"
if [[ "$job_id" != "" ]]; then
echo "Job ID: ${job_id}" > $log_file_name
echo $cmd | tee -a $log_file_name
else
echo $cmd | tee $log_file_name
fi
start_stats $log_file_name.stats
eval $cmd
stop_stats $log_file_name.stats
summarize_result $log_file_name ${output_name}.t${num_threads}.s${syncval} $grep_name
}
function run_filluniquerandom {
echo "Loading $num_keys unique keys randomly"
log_file_name=$output_dir/benchmark_filluniquerandom.log
time_cmd=$( get_cmd $log_file_name.time )
cmd="$time_cmd ./db_bench --benchmarks=filluniquerandom,stats \
--use_existing_db=0 \
--sync=0 \
$params_w \
--threads=1 \
--seed=$( date +%s ) \
--report_file=${log_file_name}.r.csv \
2>&1 | tee -a $log_file_name"
if [[ "$job_id" != "" ]]; then
echo "Job ID: ${job_id}" > $log_file_name
echo $cmd | tee -a $log_file_name
else
echo $cmd | tee $log_file_name
fi
start_stats $log_file_name.stats
eval $cmd
stop_stats $log_file_name.stats
summarize_result $log_file_name filluniquerandom filluniquerandom
}
function run_readrandom {
echo "Reading $num_keys random keys"
log_file_name="${output_dir}/benchmark_readrandom.t${num_threads}.log"
time_cmd=$( get_cmd $log_file_name.time )
cmd="$time_cmd ./db_bench --benchmarks=readrandom,stats \
--use_existing_db=1 \
$params_w \
--threads=$num_threads \
--seed=$( date +%s ) \
--report_file=${log_file_name}.r.csv \
2>&1 | tee -a $log_file_name"
if [[ "$job_id" != "" ]]; then
echo "Job ID: ${job_id}" > $log_file_name
echo $cmd | tee -a $log_file_name
else
echo $cmd | tee $log_file_name
fi
start_stats $log_file_name.stats
eval $cmd
stop_stats $log_file_name.stats
summarize_result $log_file_name readrandom.t${num_threads} readrandom
}
function run_multireadrandom {
echo "Multi-Reading $num_keys random keys"
log_file_name="${output_dir}/benchmark_multireadrandom.t${num_threads}.log"
time_cmd=$( get_cmd $log_file_name.time )
cmd="$time_cmd ./db_bench --benchmarks=multireadrandom,stats \
--use_existing_db=1 \
--threads=$num_threads \
--batch_size=10 \
$params_w \
--seed=$( date +%s ) \
--report_file=${log_file_name}.r.csv \
2>&1 | tee -a $log_file_name"
if [[ "$job_id" != "" ]]; then
echo "Job ID: ${job_id}" > $log_file_name
echo $cmd | tee -a $log_file_name
else
echo $cmd | tee $log_file_name
fi
start_stats $log_file_name.stats
eval $cmd
stop_stats $log_file_name.stats
summarize_result $log_file_name multireadrandom.t${num_threads} multireadrandom
}