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rocksdb/tools/regression_test.sh
akankshamahajan 1de697628e Fix hang in async_io benchmarks in regression script (#11285) 
Summary:
Fix hang in async_io benchmarks in regression script. I changed the order of benchmarks and that somehow fixed the issue of hang.

Pull Request resolved: https://github.com/facebook/rocksdb/pull/11285

Test Plan: Ran it manually

Reviewed By: pdillinger

Differential Revision: D43937431

Pulled By: akankshamahajan15

fbshipit-source-id: 7c43075d3be6b8f41d08e845664012768b769661
2023-03-09 09:16:20 -08:00

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#!/usr/bin/env bash
# Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
# The RocksDB regression test script.
# REQUIREMENT: must be able to run make db_bench in the current directory
#
# This script will do the following things in order:
#
# 1. check out the specified rocksdb commit.
# 2. build db_bench using the specified commit
# 3. setup test directory $TEST_PATH. If not specified, then the test directory
# will be "/tmp/rocksdb/regression_test"
# 4. run set of benchmarks on the specified host
# (can be either locally or remotely)
# 5. generate report in the $RESULT_PATH. If RESULT_PATH is not specified,
# RESULT_PATH will be set to $TEST_PATH/current_time
#
# = Examples =
# * Run the regression test using rocksdb commit abcdef that outputs results
# and temp files in "/my/output/dir"
#r
# TEST_PATH=/my/output/dir COMMIT_ID=abcdef ./tools/regression_test.sh
#
# * Run the regression test on a remost host under "/my/output/dir" directory
# and stores the result locally in "/my/benchmark/results" using commit
# abcdef and with the rocksdb options specified in /my/path/to/OPTIONS-012345
# with 1000000000 keys in each benchmark in the regression test where each
# key and value are 100 and 900 bytes respectively:
#
# REMOTE_USER_AT_HOST=yhchiang@my.remote.host \
# TEST_PATH=/my/output/dir \
# RESULT_PATH=/my/benchmark/results \
# COMMIT_ID=abcdef \
# OPTIONS_FILE=/my/path/to/OPTIONS-012345 \
# NUM_KEYS=1000000000 \
# KEY_SIZE=100 \
# VALUE_SIZE=900 \
# ./tools/regression_test.sh
#
# = Regression test environmental parameters =
# DEBUG: If true, then the script will not build db_bench if db_bench already
# exists
# Default: 0
# TEST_MODE: If 1, run fillseqdeterminstic and benchmarks both
# if 0, only run fillseqdeterministc
# if 2, only run benchmarks
# Default: 1
# TEST_PATH: the root directory of the regression test.
# Default: "/tmp/rocksdb/regression_test"
# !!! NOTE !!! - a DB will also be saved in $TEST_PATH/../db
# RESULT_PATH: the directory where the regression results will be generated.
# Default: "$TEST_PATH/current_time"
# REMOTE_USER_AT_HOST: If set, then test will run on the specified host under
# TEST_PATH directory and outputs test results locally in RESULT_PATH
# The REMOTE_USER_AT_HOST should follow the format user-id@host.name
# DB_PATH: the path where the rocksdb database will be created during the
# regression test. Default: $TEST_PATH/db
# WAL_PATH: the path where the rocksdb WAL will be outputed.
# Default: $TEST_PATH/wal
# OPTIONS_FILE: If specified, then the regression test will use the specified
# file to initialize the RocksDB options in its benchmarks. Note that
# this feature only work for commits after 88acd93 or rocksdb version
# later than 4.9.
# DELETE_TEST_PATH: If true, then the test directory will be deleted
# after the script ends.
# Default: 0
#
# = db_bench parameters =
# NUM_THREADS: The number of concurrent foreground threads that will issue
# database operations in the benchmark. Default: 16.
# NUM_KEYS: The key range that will be used in the entire regression test.
# Default: 1G.
# NUM_OPS: The number of operations (reads, writes, or deletes) that will
# be issued in EACH thread.
# Default: $NUM_KEYS / $NUM_THREADS
# KEY_SIZE: The size of each key in bytes in db_bench. Default: 100.
# VALUE_SIZE: The size of each value in bytes in db_bench. Default: 900.
# CACHE_SIZE: The size of RocksDB block cache used in db_bench. Default: 1G
# STATISTICS: If 1, then statistics is on in db_bench. Default: 0.
# COMPRESSION_RATIO: The compression ratio of the key generated in db_bench.
# Default: 0.5.
# HISTOGRAM: If 1, then the histogram feature on performance feature is on.
# STATS_PER_INTERVAL: If 1, then the statistics will be reported for every
# STATS_INTERVAL_SECONDS seconds. Default 1.
# STATS_INTERVAL_SECONDS: If STATS_PER_INTERVAL is set to 1, then statistics
# will be reported for every STATS_INTERVAL_SECONDS. Default 60.
# MAX_BACKGROUND_FLUSHES: The maxinum number of concurrent flushes in
# db_bench. Default: 4.
# MAX_BACKGROUND_COMPACTIONS: The maximum number of concurrent compactions
# in db_bench. Default: 16.
# NUM_HIGH_PRI_THREADS: The number of high-pri threads available for
# concurrent flushes in db_bench. Default: 4.
# NUM_LOW_PRI_THREADS: The number of low-pri threads available for
# concurrent compactions in db_bench. Default: 16.
# SEEK_NEXTS: Controls how many Next() will be called after seek.
# Default: 10.
# SEED: random seed that controls the randomness of the benchmark.
# Default: $( date +%s )
#==============================================================================
# CONSTANT
#==============================================================================
TITLE_FORMAT="%40s,%25s,%30s,%7s,%9s,%8s,"
TITLE_FORMAT+="%10s,%13s,%14s,%11s,%12s,"
TITLE_FORMAT+="%7s,%11s,"
TITLE_FORMAT+="%9s,%10s,%10s,%10s,%10s,%10s,%5s,"
TITLE_FORMAT+="%5s,%5s,%5s" # time
TITLE_FORMAT+="\n"
DATA_FORMAT="%40s,%25s,%30s,%7s,%9s,%8s,"
DATA_FORMAT+="%10s,%13.0f,%14s,%11s,%12s,"
DATA_FORMAT+="%7s,%11s,"
DATA_FORMAT+="%9.0f,%10.0f,%10.0f,%10.0f,%10.0f,%10.0f,%5.0f,"
DATA_FORMAT+="%5.0f,%5.0f,%5.0f" # time
DATA_FORMAT+="\n"
MAIN_PATTERN="$1""[[:blank:]]+:.*[[:blank:]]+([0-9\.]+)[[:blank:]]+ops/sec"
PERC_PATTERN="Percentiles: P50: ([0-9\.]+) P75: ([0-9\.]+) "
PERC_PATTERN+="P99: ([0-9\.]+) P99.9: ([0-9\.]+) P99.99: ([0-9\.]+)"
#==============================================================================
function main {
TEST_ROOT_DIR=${TEST_PATH:-"/tmp/rocksdb/regression_test"}
init_arguments $TEST_ROOT_DIR
build_db_bench_and_ldb
setup_test_directory
if [ $TEST_MODE -le 1 ]; then
test_remote "test -d $ORIGIN_PATH"
if [[ $? -ne 0 ]]; then
echo "Building DB..."
# compactall alone will not print ops or threads, which will fail update_report
run_db_bench "fillseq,compactall" $NUM_KEYS 1 0 0
# only save for future use on success
test_remote "mv $DB_PATH $ORIGIN_PATH"
fi
fi
if [ $TEST_MODE -ge 1 ]; then
build_checkpoint
# run_db_bench benchmark_name NUM_OPS NUM_THREADS USED_EXISTING_DB UPDATE_REPORT ASYNC_IO
run_db_bench "seekrandom_asyncio" $NUM_OPS $NUM_THREADS 1 1 true
run_db_bench "multireadrandom_asyncio" $NUM_OPS $NUM_THREADS 1 1 true
run_db_bench "readrandom"
run_db_bench "readwhilewriting"
run_db_bench "deleterandom"
run_db_bench "seekrandom"
run_db_bench "seekrandomwhilewriting"
run_db_bench "multireadrandom"
fi
cleanup_test_directory $TEST_ROOT_DIR
echo ""
echo "Benchmark completed! Results are available in $RESULT_PATH"
}
############################################################################
function init_arguments {
K=1024
M=$((1024 * K))
G=$((1024 * M))
current_time=$(date +"%F-%H:%M:%S")
RESULT_PATH=${RESULT_PATH:-"$1/results/$current_time"}
COMMIT_ID=`hg id -i 2>/dev/null || git rev-parse HEAD 2>/dev/null || echo 'unknown'`
SUMMARY_FILE="$RESULT_PATH/SUMMARY.csv"
DB_PATH=${3:-"$1/db"}
ORIGIN_PATH=${ORIGIN_PATH:-"$(dirname $(dirname $DB_PATH))/db"}
WAL_PATH=${4:-""}
if [ -z "$REMOTE_USER_AT_HOST" ]; then
DB_BENCH_DIR=${5:-"."}
else
DB_BENCH_DIR=${5:-"$1/db_bench"}
fi
DEBUG=${DEBUG:-0}
TEST_MODE=${TEST_MODE:-1}
SCP=${SCP:-"scp"}
SSH=${SSH:-"ssh"}
NUM_THREADS=${NUM_THREADS:-16}
NUM_KEYS=${NUM_KEYS:-$((1 * G))} # key range
NUM_OPS=${NUM_OPS:-$(($NUM_KEYS / $NUM_THREADS))}
KEY_SIZE=${KEY_SIZE:-100}
VALUE_SIZE=${VALUE_SIZE:-900}
CACHE_SIZE=${CACHE_SIZE:-$((1 * G))}
STATISTICS=${STATISTICS:-0}
COMPRESSION_RATIO=${COMPRESSION_RATIO:-0.5}
HISTOGRAM=${HISTOGRAM:-1}
NUM_MULTI_DB=${NUM_MULTI_DB:-1}
STATS_PER_INTERVAL=${STATS_PER_INTERVAL:-1}
STATS_INTERVAL_SECONDS=${STATS_INTERVAL_SECONDS:-600}
MAX_BACKGROUND_FLUSHES=${MAX_BACKGROUND_FLUSHES:-4}
MAX_BACKGROUND_COMPACTIONS=${MAX_BACKGROUND_COMPACTIONS:-16}
NUM_HIGH_PRI_THREADS=${NUM_HIGH_PRI_THREADS:-4}
NUM_LOW_PRI_THREADS=${NUM_LOW_PRI_THREADS:-16}
DELETE_TEST_PATH=${DELETE_TEST_PATH:-0}
SEEK_NEXTS=${SEEK_NEXTS:-10}
SEED=${SEED:-$( date +%s )}
MULTIREAD_BATCH_SIZE=${MULTIREAD_BATCH_SIZE:-128}
MULTIREAD_STRIDE=${MULTIREAD_STRIDE:-12}
PERF_LEVEL=${PERF_LEVEL:-1}
}
# $1 --- benchmark name
# $2 --- number of operations. Default: $NUM_OPS
# $3 --- number of threads. Default $NUM_THREADS
# $4 --- use_existing_db. Default: 1
# $5 --- update_report. Default: 1
# $6 --- async_io. Default: False
function run_db_bench {
# Make sure no other db_bench is running. (Make sure command succeeds if pidof
# command exists but finds nothing.)
pids_cmd='pidof db_bench || pidof --version > /dev/null'
# But first, make best effort to kill any db_bench that have run for more
# than 12 hours, as that indicates a hung or runaway process.
kill_old_cmd='for PID in $(pidof db_bench); do [ "$(($(stat -c %Y /proc/$PID) + 43200))" -lt "$(date +%s)" ] && echo "Killing old db_bench $PID" && kill $PID && sleep 5 && kill -9 $PID && sleep 5; done; pidof --version > /dev/null'
if ! [ -z "$REMOTE_USER_AT_HOST" ]; then
pids_cmd="$SSH $REMOTE_USER_AT_HOST '$pids_cmd'"
kill_old_cmd="$SSH $REMOTE_USER_AT_HOST '$kill_old_cmd'"
fi
eval $kill_old_cmd
exit_on_error $? "$kill_old_cmd"
pids_output="$(eval $pids_cmd)"
exit_on_error $? "$pids_cmd"
if [ "$pids_output" != "" ]; then
echo "Stopped regression_test.sh as there're still recent db_bench "
echo "processes running: $pids_output"
echo "Clean up test directory"
cleanup_test_directory $TEST_ROOT_DIR
exit 2
fi
# Build db_bench command
ops=${2:-$NUM_OPS}
threads=${3:-$NUM_THREADS}
USE_EXISTING_DB=${4:-1}
UPDATE_REPORT=${5:-1}
async_io=${6:-false}
seek_nexts=$SEEK_NEXTS
if [ "$async_io" == "true" ]; then
if ! [ -z "$SEEK_NEXTS_ASYNC_IO" ]; then
seek_nexts=$SEEK_NEXTS_ASYNC_IO
fi
fi
echo ""
echo "======================================================================="
echo "Benchmark $1"
echo "======================================================================="
echo ""
db_bench_error=0
options_file_arg=$(setup_options_file)
echo "$options_file_arg"
# In case of async_io, benchmark is benchmark_asyncio
db_bench_type=${1%%_*}
# use `which time` to avoid using bash's internal time command
db_bench_cmd="\$(which time) -p $DB_BENCH_DIR/db_bench \
--benchmarks=$db_bench_type --db=$DB_PATH --wal_dir=$WAL_PATH \
--use_existing_db=$USE_EXISTING_DB \
--perf_level=$PERF_LEVEL \
--disable_auto_compactions \
--threads=$threads \
--num=$NUM_KEYS \
--reads=$ops \
--writes=$ops \
--deletes=$ops \
--key_size=$KEY_SIZE \
--value_size=$VALUE_SIZE \
--cache_size=$CACHE_SIZE \
--statistics=$STATISTICS \
$options_file_arg \
--compression_ratio=$COMPRESSION_RATIO \
--histogram=$HISTOGRAM \
--seek_nexts=$seek_nexts \
--stats_per_interval=$STATS_PER_INTERVAL \
--stats_interval_seconds=$STATS_INTERVAL_SECONDS \
--max_background_flushes=$MAX_BACKGROUND_FLUSHES \
--num_multi_db=$NUM_MULTI_DB \
--max_background_compactions=$MAX_BACKGROUND_COMPACTIONS \
--num_high_pri_threads=$NUM_HIGH_PRI_THREADS \
--num_low_pri_threads=$NUM_LOW_PRI_THREADS \
--seed=$SEED \
--multiread_batched=true \
--batch_size=$MULTIREAD_BATCH_SIZE \
--multiread_stride=$MULTIREAD_STRIDE \
--async_io=$async_io"
if [ "$async_io" == "true" ]; then
db_bench_cmd="$db_bench_cmd $(set_async_io_parameters) "
fi
db_bench_cmd=" $db_bench_cmd 2>&1"
if ! [ -z "$REMOTE_USER_AT_HOST" ]; then
echo "Running benchmark remotely on $REMOTE_USER_AT_HOST"
db_bench_cmd="$SSH $REMOTE_USER_AT_HOST '$db_bench_cmd'"
fi
echo db_bench_cmd="$db_bench_cmd"
# Run the db_bench command
eval $db_bench_cmd | tee -a "$RESULT_PATH/$1"
exit_on_error ${PIPESTATUS[0]} db_bench
if [ $UPDATE_REPORT -ne 0 ]; then
update_report "$1" "$RESULT_PATH/$1" $ops $threads
fi
}
function set_async_io_parameters {
options=" --duration=500"
# Below parameters are used in case of async_io only.
# 1. If you want to run below parameters for all benchmarks, it should be
# specify in OPTIONS_FILE instead of exporting them.
# 2. Below exported var takes precedence over OPTIONS_FILE.
if ! [ -z "$MAX_READAHEAD_SIZE" ]; then
options="$options --max_auto_readahead_size=$MAX_READAHEAD_SIZE "
fi
if ! [ -z "$INITIAL_READAHEAD_SIZE" ]; then
options="$options --initial_auto_readahead_size=$INITIAL_READAHEAD_SIZE "
fi
if ! [ -z "$NUM_READS_FOR_READAHEAD_SIZE" ]; then
options="$options --num_file_reads_for_auto_readahead=$NUM_READS_FOR_READAHEAD_SIZE "
fi
echo $options
}
function build_checkpoint {
cmd_prefix=""
if ! [ -z "$REMOTE_USER_AT_HOST" ]; then
cmd_prefix="$SSH $REMOTE_USER_AT_HOST "
fi
if [ $NUM_MULTI_DB -gt 1 ]; then
dirs=$($cmd_prefix find $ORIGIN_PATH -type d -links 2)
for dir in $dirs; do
db_index=$(basename $dir)
echo "Building checkpoints: $ORIGIN_PATH/$db_index -> $DB_PATH/$db_index ..."
$cmd_prefix $DB_BENCH_DIR/ldb checkpoint --checkpoint_dir=$DB_PATH/$db_index \
--db=$ORIGIN_PATH/$db_index --try_load_options 2>&1
exit_on_error $?
done
else
# checkpoint cannot build in directory already exists
$cmd_prefix rm -rf $DB_PATH
echo "Building checkpoint: $ORIGIN_PATH -> $DB_PATH ..."
$cmd_prefix $DB_BENCH_DIR/ldb checkpoint --checkpoint_dir=$DB_PATH \
--db=$ORIGIN_PATH --try_load_options 2>&1
exit_on_error $?
fi
}
function multiply {
echo "$1 * $2" | bc
}
# $1 --- name of the benchmark
# $2 --- the filename of the output log of db_bench
function update_report {
# In case of async_io, benchmark is benchmark_asyncio
db_bench_type=${1%%_*}
main_result=`cat $2 | grep $db_bench_type`
exit_on_error $?
perc_statement=`cat $2 | grep Percentile`
exit_on_error $?
# Obtain micros / op
[[ $main_result =~ $MAIN_PATTERN ]]
ops_per_s=${BASH_REMATCH[1]}
# Obtain percentile information
[[ $perc_statement =~ $PERC_PATTERN ]]
perc[0]=${BASH_REMATCH[1]} # p50
perc[1]=${BASH_REMATCH[2]} # p75
perc[2]=${BASH_REMATCH[3]} # p99
perc[3]=${BASH_REMATCH[4]} # p99.9
perc[4]=${BASH_REMATCH[5]} # p99.99
# Parse the output of the time command
real_sec=`tail -3 $2 | grep real | awk '{print $2}'`
user_sec=`tail -3 $2 | grep user | awk '{print $2}'`
sys_sec=`tail -3 $2 | grep sys | awk '{print $2}'`
(printf "$DATA_FORMAT" \
$COMMIT_ID $1 $REMOTE_USER_AT_HOST $NUM_MULTI_DB $NUM_KEYS $KEY_SIZE $VALUE_SIZE \
$(multiply $COMPRESSION_RATIO 100) \
$3 $4 $CACHE_SIZE \
$MAX_BACKGROUND_FLUSHES $MAX_BACKGROUND_COMPACTIONS \
$ops_per_s \
$(multiply ${perc[0]} 1000) \
$(multiply ${perc[1]} 1000) \
$(multiply ${perc[2]} 1000) \
$(multiply ${perc[3]} 1000) \
$(multiply ${perc[4]} 1000) \
$DEBUG \
$real_sec \
$user_sec \
$sys_sec \
>> $SUMMARY_FILE)
exit_on_error $?
}
function exit_on_error {
if [ $1 -ne 0 ]; then
echo ""
echo "ERROR: Benchmark did not complete successfully."
if ! [ -z "$2" ]; then
echo "Failure command: $2"
fi
echo "Partial results are output to $RESULT_PATH"
echo "ERROR" >> $SUMMARY_FILE
exit $1
fi
}
function build_db_bench_and_ldb {
echo "Building db_bench & ldb ..."
make clean
exit_on_error $?
DEBUG_LEVEL=0 make db_bench ldb -j32
exit_on_error $?
}
function run_remote {
test_remote "$1"
exit_on_error $? "$1"
}
function test_remote {
if ! [ -z "$REMOTE_USER_AT_HOST" ]; then
cmd="$SSH $REMOTE_USER_AT_HOST '$1'"
else
cmd="$1"
fi
eval "$cmd"
}
function run_local {
eval "$1"
exit_on_error $? "$1"
}
function setup_options_file {
if ! [ -z "$OPTIONS_FILE" ]; then
if ! [ -z "$REMOTE_USER_AT_HOST" ]; then
options_file="$DB_BENCH_DIR/OPTIONS_FILE"
run_local "$SCP $OPTIONS_FILE $REMOTE_USER_AT_HOST:$options_file"
else
options_file="$OPTIONS_FILE"
fi
echo "--options_file=$options_file"
fi
echo ""
}
function setup_test_directory {
echo "Deleting old regression test directories and creating new ones"
run_local 'test "$DB_PATH" != "."'
run_remote "rm -rf $DB_PATH"
if [ "$DB_BENCH_DIR" != "." ]; then
run_remote "rm -rf $DB_BENCH_DIR"
fi
run_local 'test "$RESULT_PATH" != "."'
run_local "rm -rf $RESULT_PATH"
if ! [ -z "$WAL_PATH" ]; then
run_remote "rm -rf $WAL_PATH"
run_remote "mkdir -p $WAL_PATH"
fi
run_remote "mkdir -p $DB_PATH"
run_remote "mkdir -p $DB_BENCH_DIR"
run_remote "ls -l $DB_BENCH_DIR"
if ! [ -z "$REMOTE_USER_AT_HOST" ]; then
shopt -s nullglob # allow missing librocksdb*.so* for static lib build
run_local "tar cz db_bench ldb librocksdb*.so* | $SSH $REMOTE_USER_AT_HOST 'cd $DB_BENCH_DIR/ && tar xzv'"
shopt -u nullglob
fi
run_local "mkdir -p $RESULT_PATH"
(printf $TITLE_FORMAT \
"commit id" "benchmark" "user@host" "num-dbs" "key-range" "key-size" \
"value-size" "compress-rate" "ops-per-thread" "num-threads" "cache-size" \
"flushes" "compactions" \
"ops-per-s" "p50" "p75" "p99" "p99.9" "p99.99" "debug" \
"real-sec" "user-sec" "sys-sec" \
>> $SUMMARY_FILE)
exit_on_error $?
}
function cleanup_test_directory {
if [ $DELETE_TEST_PATH -ne 0 ]; then
echo "Clear old regression test directories and creating new ones"
run_remote "rm -rf $DB_PATH"
run_remote "rm -rf $WAL_PATH"
if ! [ -z "$REMOTE_USER_AT_HOST" ]; then
run_remote "rm -rf $DB_BENCH_DIR"
fi
run_remote "rm -rf $1"
else
echo "------------ DEBUG MODE ------------"
echo "DB PATH: $DB_PATH"
echo "WAL PATH: $WAL_PATH"
fi
}
############################################################################
# shellcheck disable=SC2068
main $@
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