1 files changed, 342 insertions, 0 deletions
diff --git a/src/rocksdb/tools/benchmark_compare.sh b/src/rocksdb/tools/benchmark_compare.sh
new file mode 100755
index 000000000..ef7990279
--- /dev/null
+++ b/src/rocksdb/tools/benchmark_compare.sh
@@ -0,0 +1,342 @@
+#!/usr/bin/env bash
+# Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
+# REQUIRE: db_bench binary exists in the current directory
+
+dbdir=$1
+odir=$2
+
+# Size Constants
+K=1024
+M=$((1024 * K))
+
+# Dynamic loader configuration
+ld_library_path=${LD_LIBRARY_PATH:-""}
+
+# Benchmark configuration
+duration_rw=${DURATION_RW:-65}
+duration_ro=${DURATION_RO:-65}
+num_keys=${NUM_KEYS:-1000000}
+num_threads=${NUM_THREADS:-16}
+key_size=${KEY_SIZE:-20}
+value_size=${VALUE_SIZE:-400}
+mb_write_per_sec=${MB_WRITE_PER_SEC:-2}
+ci_tests_only=${CI_TESTS_ONLY:-"false"}
+
+# RocksDB configuration
+compression_type=${COMPRESSION_TYPE:-lz4}
+subcompactions=${SUBCOMPACTIONS:-1}
+write_buffer_size_mb=${WRITE_BUFFER_SIZE_MB:-32}
+target_file_size_base_mb=${TARGET_FILE_SIZE_BASE_MB:-32}
+max_bytes_for_level_base_mb=${MAX_BYTES_FOR_LEVEL_BASE_MB:-128}
+max_background_jobs=${MAX_BACKGROUND_JOBS:-8}
+stats_interval_seconds=${STATS_INTERVAL_SECONDS:-20}
+cache_index_and_filter_blocks=${CACHE_INDEX_AND_FILTER_BLOCKS:-0}
+# USE_O_DIRECT doesn't need a default
+bytes_per_sync=${BYTES_PER_SYNC:-$(( 1 * M ))}
+# CACHE_SIZE_MB doesn't need a default
+min_level_to_compress=${MIN_LEVEL_TO_COMPRESS:-"-1"}
+
+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 :: "$COMPACTION_STYLE" :: and must be one of leveled, universal, blob
+  exit 1
+fi
+
+# Leveled compaction configuration
+level0_file_num_compaction_trigger=${LEVEL0_FILE_NUM_COMPACTION_TRIGGER:-4}
+level0_slowdown_writes_trigger=${LEVEL0_SLOWDOWN_WRITES_TRIGGER:-20}
+level0_stop_writes_trigger=${LEVEL0_STOP_WRITES_TRIGGER:-30}
+per_level_fanout=${PER_LEVEL_FANOUT:-8}
+
+# Universal compaction configuration
+universal_min_merge_width=${UNIVERSAL_MIN_MERGE_WIDTH:-2}
+universal_max_merge_width=${UNIVERSAL_MAX_MERGE_WIDTH:-20}
+universal_size_ratio=${UNIVERSAL_SIZE_RATIO:-1}
+universal_max_size_amp=${UNIVERSAL_MAX_SIZE_AMP:-200}
+universal_compression_size_percent=${UNIVERSAL_COMPRESSION_SIZE_PERCENT:-"-1"}
+
+# Integrated BlobDB configuration
+
+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=${BLOB_GC_FORCE_THRESHOLD:-1}
+
+# Arguments for dynamic loading
+base_args=( LD_LIBRARY_PATH="$ld_library_path" )
+
+# Arguments used for all tests
+base_args+=( NUM_KEYS="$num_keys" )
+base_args+=( NUM_THREADS="$num_threads" )
+base_args+=( KEY_SIZE="$key_size" )
+base_args+=( VALUE_SIZE="$value_size" )
+
+base_args+=( SUBCOMPACTIONS="$subcompactions" )
+base_args+=( COMPRESSION_TYPE="$compression_type" )
+base_args+=( WRITE_BUFFER_SIZE_MB="$write_buffer_size_mb" )
+base_args+=( TARGET_FILE_SIZE_BASE_MB="$target_file_size_base_mb" )
+base_args+=( MAX_BYTES_FOR_LEVEL_BASE_MB="$max_bytes_for_level_base_mb" )
+base_args+=( MAX_BACKGROUND_JOBS="$max_background_jobs" )
+base_args+=( STATS_INTERVAL_SECONDS="$stats_interval_seconds" )
+base_args+=( CACHE_INDEX_AND_FILTER_BLOCKS="$cache_index_and_filter_blocks" )
+base_args+=( COMPACTION_STYLE="$compaction_style" )
+base_args+=( BYTES_PER_SYNC="$bytes_per_sync" )
+
+if [ -n "$USE_O_DIRECT" ]; then
+  base_args+=( USE_O_DIRECT=1 )
+fi
+
+if [ -n "$NUMA" ]; then
+  base_args+=( NUMACTL=1 )
+fi
+
+if [ -n "$CACHE_SIZE_MB" ]; then
+  cacheb=$(( CACHE_SIZE_MB * M ))
+  base_args+=( CACHE_SIZE="$cacheb" )
+fi
+
+if [ "$compaction_style" == "leveled" ]; then
+  base_args+=( LEVEL0_FILE_NUM_COMPACTION_TRIGGER="$level0_file_num_compaction_trigger" )
+  base_args+=( LEVEL0_SLOWDOWN_WRITES_TRIGGER="$level0_slowdown_writes_trigger" )
+  base_args+=( LEVEL0_STOP_WRITES_TRIGGER="$level0_stop_writes_trigger" )
+  base_args+=( PER_LEVEL_FANOUT="$per_level_fanout" )
+elif [ "$compaction_style" == "universal" ]; then
+  base_args+=( LEVEL0_FILE_NUM_COMPACTION_TRIGGER="$level0_file_num_compaction_trigger" )
+  base_args+=( LEVEL0_SLOWDOWN_WRITES_TRIGGER="$level0_slowdown_writes_trigger" )
+  base_args+=( LEVEL0_STOP_WRITES_TRIGGER="$level0_stop_writes_trigger" )
+  base_args+=( UNIVERSAL_MIN_MERGE_WIDTH="$universal_min_merge_width" )
+  base_args+=( UNIVERSAL_MAX_MERGE_WIDTH="$universal_max_merge_width" )
+  base_args+=( UNIVERSAL_SIZE_RATIO="$universal_size_ratio" )
+  base_args+=( UNIVERSAL_MAX_SIZE_AMP="$universal_max_size_amp" )
+  if [ -n "$UNIVERSAL_ALLOW_TRIVIAL_MOVE" ]; then
+    base_args+=( UNIVERSAL_ALLOW_TRIVIAL_MOVE=1 )
+  fi
+else
+  # Inherit settings for leveled because index uses leveled LSM
+  base_args+=( LEVEL0_FILE_NUM_COMPACTION_TRIGGER="$level0_file_num_compaction_trigger" )
+  base_args+=( LEVEL0_SLOWDOWN_WRITES_TRIGGER="$level0_slowdown_writes_trigger" )
+  base_args+=( LEVEL0_STOP_WRITES_TRIGGER="$level0_stop_writes_trigger" )
+  base_args+=( PER_LEVEL_FANOUT="$per_level_fanout" )
+  # Then add BlobDB specific settings
+  base_args+=( MIN_BLOB_SIZE="$min_blob_size" )
+  base_args+=( BLOB_FILE_SIZE="$blob_file_size" )
+  base_args+=( BLOB_COMPRESSION_TYPE="$blob_compression_type" )
+  base_args+=( BLOB_GC_AGE_CUTOFF="$blob_gc_age_cutoff" )
+  base_args+=( BLOB_GC_FORCE_THRESHOLD="$blob_gc_force_threshold" )
+fi
+
+function usage {
+  echo "usage: benchmark_compare.sh db_dir output_dir version+"
+  echo -e "\tdb_dir\t\tcreate RocksDB database in this directory"
+  echo -e "\toutput_dir\twrite output from performance tests in this directory"
+  echo -e "\tversion+\tspace separated sequence of RocksDB versions to test."
+  echo -e "\nThis expects that db_bench.\$version exists in \$PWD for each version in the sequence."
+  echo -e "An example value for version+ is 6.23.0 6.24.0"
+  echo ""
+  echo -e "Environment variables for options"
+  echo -e "\tNUM_KEYS\t\t\tnumber of keys to load"
+  echo -e "\tKEY_SIZE\t\t\tsize of key"
+  echo -e "\tVALUE_SIZE\t\t\tsize of value"
+  echo -e "\tCACHE_SIZE_MB\t\t\tsize of block cache in MB"
+  echo -e "\tDURATION_RW\t\t\tnumber of seconds for which each test runs, except for read-only tests"
+  echo -e "\tDURATION_RO\t\t\tnumber of seconds for which each read-only test runs"
+  echo -e "\tMB_WRITE_PER_SEC\t\trate limit for writer that runs concurrent with queries for some tests"
+  echo -e "\tNUM_THREADS\t\t\tnumber of user threads"
+  echo -e "\tCOMPRESSION_TYPE\t\tcompression type (zstd, lz4, none, etc)"
+  echo -e "\tMIN_LEVEL_TO_COMPRESS\t\tmin_level_to_compress for leveled"
+  echo -e "\tWRITE_BUFFER_SIZE_MB\t\tsize of write buffer in MB"
+  echo -e "\tTARGET_FILE_SIZE_BASE_MB\tvalue for target_file_size_base in MB"
+  echo -e "\tMAX_BYTES_FOR_LEVEL_BASE_MB\tvalue for max_bytes_for_level_base in MB"
+  echo -e "\tMAX_BACKGROUND_JOBS\t\tvalue for max_background_jobs"
+  echo -e "\tCACHE_INDEX_AND_FILTER_BLOCKS\tvalue for cache_index_and_filter_blocks"
+  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"
+  echo -e "\tSTATS_INTERVAL_SECONDS\t\tvalue for stats_interval_seconds"
+  echo -e "\tSUBCOMPACTIONS\t\t\tvalue for subcompactions"
+  echo -e "\tCOMPACTION_STYLE\t\tCompaction style to use, one of: leveled, universal, blob"
+  echo -e "\tCI_TESTS_ONLY\t\tRun a subset of tests tailored to a CI regression job, one of: true, false (default)"
+  echo ""
+  echo -e "\tOptions specific to leveled compaction:"
+  echo -e "\t\tLEVEL0_FILE_NUM_COMPACTION_TRIGGER\tvalue for level0_file_num_compaction_trigger"
+  echo -e "\t\tLEVEL0_SLOWDOWN_WRITES_TRIGGER\t\tvalue for level0_slowdown_writes_trigger"
+  echo -e "\t\tLEVEL0_STOP_WRITES_TRIGGER\t\tvalue for level0_stop_writes_trigger"
+  echo -e "\t\tPER_LEVEL_FANOUT\t\t\tvalue for max_bytes_for_level_multiplier"
+  echo ""
+  echo -e "\tOptions specific to universal compaction:"
+  echo -e "\t\tSee LEVEL0_*_TRIGGER above"
+  echo -e "\t\tUNIVERSAL_MIN_MERGE_WIDTH\t\tvalue of min_merge_width option for universal"
+  echo -e "\t\tUNIVERSAL_MAX_MERGE_WIDTH\t\tvalue of min_merge_width option for universal"
+  echo -e "\t\tUNIVERSAL_SIZE_RATIO\t\t\tvalue of size_ratio option for universal"
+  echo -e "\t\tUNIVERSAL_MAX_SIZE_AMP\t\t\tmax_size_amplification_percent for universal"
+  echo -e "\t\tUNIVERSAL_ALLOW_TRIVIAL_MOVE\t\tSet allow_trivial_move to true for universal, default is false"
+  echo -e "\t\tUNIVERSAL_COMPRESSION_SIZE_PERCENT\tpercentage of LSM tree that should be compressed"
+  echo ""
+  echo -e "\tOptions for integrated BlobDB:"
+  echo -e "\t\tMIN_BLOB_SIZE\t\t\t\tvalue for min_blob_size"
+  echo -e "\t\tBLOB_FILE_SIZE\t\t\t\tvalue for blob_file_size"
+  echo -e "\t\tBLOB_COMPRESSION_TYPE\t\t\tvalue for blob_compression_type"
+  echo -e "\t\tBLOB_GC_AGE_CUTOFF\t\t\tvalue for blog_garbage_collection_age_cutoff"
+  echo -e "\t\tBLOB_GC_FORCE_THRESHOLD\t\t\tvalue for blog_garbage_collection_force_threshold"
+}
+
+function dump_env {
+  echo "Base args" > "$odir"/args
+  echo "${base_args[@]}" | tr ' ' '\n' >> "$odir"/args
+
+  echo -e "\nOther args" >> "$odir"/args
+  echo -e "dbdir\t$dbdir" >> "$odir"/args
+  echo -e "duration_rw\t$duration_rw" >> "$odir"/args
+  echo -e "duration_ro\t$duration_ro" >> "$odir"/args
+  echo -e "per_level_fanout\t$per_level_fanout" >> "$odir"/args
+
+  echo -e "\nargs_load:" >> "$odir"/args
+  echo "${args_load[@]}" | tr ' ' '\n' >> "$odir"/args
+  echo -e "\nargs_nolim:" >> "$odir"/args
+  echo "${args_nolim[@]}" | tr ' ' '\n' >> "$odir"/args
+  echo -e "\nargs_lim:" >> "$odir"/args
+  echo "${args_lim[@]}" | tr ' ' '\n' >> "$odir"/args
+}
+
+if [ $# -lt 3 ]; then
+  usage
+  echo
+  echo "Need at least 3 arguments"
+  exit 1
+fi
+
+shift 2
+
+mkdir -p "$odir"
+
+echo Test versions: "$@"
+echo Test versions: "$@" >> "$odir"/args
+
+for v in "$@" ; do
+  my_odir="$odir"/"$v"
+
+  if [ -d "$my_odir" ]; then
+    echo Exiting because the output directory exists: "$my_odir"
+    exit 1
+  fi
+
+  args_common=("${base_args[@]}")
+
+  args_common+=( OUTPUT_DIR="$my_odir" DB_DIR="$dbdir" WAL_DIR="$dbdir" DB_BENCH_NO_SYNC=1 )
+
+  if [ "$compaction_style" == "leveled" ]; then
+    args_common+=( MIN_LEVEL_TO_COMPRESS="$min_level_to_compress" )
+  elif [ "$compaction_style" == "universal" ]; then
+    args_common+=( UNIVERSAL=1 COMPRESSION_SIZE_PERCENT="$universal_compression_size_percent" )
+  else
+    args_common+=( MIN_LEVEL_TO_COMPRESS="$min_level_to_compress" )
+  fi
+
+  args_load=("${args_common[@]}")
+
+  args_nolim=("${args_common[@]}")
+
+  args_lim=("${args_nolim[@]}")
+  args_lim+=( MB_WRITE_PER_SEC="$mb_write_per_sec" )
+
+  dump_env
+
+  echo Run benchmark for "$v" at "$( date )" with results at "$my_odir"
+  rm -f db_bench
+  echo ln -s db_bench."$v" db_bench
+  ln -s db_bench."$v" db_bench
+
+  find "$dbdir" -type f -exec rm \{\} \;
+
+  # Load in key order
+  echo env "${args_load[@]}" bash ./benchmark.sh fillseq_disable_wal
+  env -i "${args_load[@]}" bash ./benchmark.sh fillseq_disable_wal
+
+  # Read-only tests. The LSM tree shape is in a deterministic state if trivial move
+  # was used during the load.
+
+  # Add revrange with a fixed duration and hardwired number of keys and threads to give
+  # compaction debt leftover from fillseq a chance at being removed. Not using waitforcompaction
+  # here because it isn't supported on older db_bench versions.
+  env -i "${args_nolim[@]}" DURATION=300 NUM_KEYS=100 NUM_THREADS=1 bash ./benchmark.sh revrange
+  env -i "${args_nolim[@]}" DURATION="$duration_ro" bash ./benchmark.sh readrandom
+
+  # Skipped for CI - a single essentail readrandom is enough to set up for other tests
+  if [ "$ci_tests_only" != "true" ]; then
+    env -i "${args_nolim[@]}" DURATION="$duration_ro" bash ./benchmark.sh fwdrange
+    env -i "${args_lim[@]}"   DURATION="$duration_ro" bash ./benchmark.sh multireadrandom --multiread_batched
+  else
+    echo "CI_TESTS_ONLY is set, skipping optional read steps."
+  fi
+
+  # Write 10% of the keys. The goal is to randomize keys prior to Lmax
+  p10=$( echo "$num_keys" "$num_threads" | awk '{ printf "%.0f", $1 / $2 / 10.0 }' )
+  env -i "${args_nolim[@]}" WRITES="$p10"        bash ./benchmark.sh overwritesome
+
+  if [ "$compaction_style" == "leveled" ]; then
+    # These are not supported by older versions
+    # Flush memtable & L0 to get LSM tree into deterministic state
+    env -i "${args_nolim[@]}"                  bash ./benchmark.sh flush_mt_l0
+  elif [ "$compaction_style" == "universal" ]; then
+    # For universal don't compact L0 as can have too many sorted runs
+    # waitforcompaction can hang, see https://github.com/facebook/rocksdb/issues/9275
+    # While this is disabled the test that follows will have more variance from compaction debt.
+    # env -i "${args_nolim[@]}"                    bash ./benchmark.sh waitforcompaction
+    echo TODO enable when waitforcompaction hang is fixed
+  else
+    # These are not supported by older versions
+    # Flush memtable & L0 to get LSM tree into deterministic state
+    env -i "${args_nolim[@]}"                  bash ./benchmark.sh flush_mt_l0
+  fi
+
+  # Read-mostly tests with a rate-limited writer
+  env -i "${args_lim[@]}" DURATION="$duration_rw" bash ./benchmark.sh revrangewhilewriting
+  env -i "${args_lim[@]}" DURATION="$duration_rw" bash ./benchmark.sh fwdrangewhilewriting
+  env -i "${args_lim[@]}" DURATION="$duration_rw" bash ./benchmark.sh readwhilewriting
+
+  # Write-only tests
+
+  # This creates much compaction debt which will be a problem for tests added after it.
+  # Also, the compaction stats measured at test end can underestimate write-amp depending
+  # on how much compaction debt is allowed.
+  if [ "$compaction_style" == "leveled" ] && ./db_bench --benchmarks=waitforcompaction ; then
+    # Use waitforcompaction to get more accurate write-amp measurement
+    env -i "${args_nolim[@]}" DURATION="$duration_rw" bash ./benchmark.sh overwriteandwait
+  else
+    # waitforcompaction hangs with universal, see https://github.com/facebook/rocksdb/issues/9275
+    env -i "${args_nolim[@]}" DURATION="$duration_rw" bash ./benchmark.sh overwrite
+  fi
+
+  cp "$dbdir"/LOG* "$my_odir"
+  gzip -9 "$my_odir"/LOG*
+
+done
+
+# Generate a file that groups lines from the same test for all versions
+basev=$1
+nlines=$( awk '/^ops_sec/,/END/' "$odir"/"$basev"/report.tsv | grep -v ops_sec | wc -l )
+hline=$( awk '/^ops_sec/ { print NR }' "$odir"/"$basev"/report.tsv )
+sline=$(( hline + 1 ))
+eline=$(( sline + nlines - 1 ))
+
+sum_file="$odir"/summary.tsv
+
+for v in "$@" ; do
+  echo "$odir"/"$v"/report.tsv
+done >> "$sum_file"
+echo >> "$sum_file"
+
+for x in $( seq "$sline" "$eline" ); do
+  awk '{ if (NR == lno) { print $0 } }' lno="$hline" "$odir"/"$basev"/report.tsv >> "$sum_file"
+  for v in "$@" ; do
+    r="$odir"/"$v"/report.tsv
+    awk '{ if (NR == lno) { print $0 } }' lno="$x" "$r" >> "$sum_file"
+  done
+echo >> "$sum_file"
+done