Add a benchmarking wrapper script for BlobDB (#9015)
Summary: The patch adds a new BlobDB benchmarking script called `run_blob_bench.sh`. It is a thin wrapper around `benchmark.sh` (similarly to `run_flash_bench.sh`): it actually calls `benchmark.sh` a number of times, cycling through six workloads, two write-only ones (bulk load and overwrite), two read/write ones (point lookups while writing, range scans while writing), and two read-only ones (point lookups and range scans). Note: this is a simpler/cleaned up/reworked version of the script used to produce the benchmark results in http://rocksdb.org/blog/2021/05/26/integrated-blob-db.html . The new version takes advantage of several recent `benchmark.sh` improvements like the ability to pass in arbitrary `db_bench` options or the possibility of using a job ID. Pull Request resolved: https://github.com/facebook/rocksdb/pull/9015 Test Plan: Ran the script manually with different parameter combinations. Reviewed By: riversand963 Differential Revision: D31555277 Pulled By: ltamasi fbshipit-source-id: 0e151b2f7b2cf6f66ed7f95455571492ad7ea87f
This commit is contained in:
Levi Tamasi
Facebook GitHub Bot
parent
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commit
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195
tools/run_blob_bench.sh
Executable file
195
tools/run_blob_bench.sh
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#!/usr/bin/env bash
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# Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
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#
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# BlobDB benchmark script
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#
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# REQUIRES: benchmark.sh is in the tools subdirectory
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#
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# After the execution of this script, log files are available in $output_dir.
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# report.tsv provides high level statistics.
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#
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# Should be run from the parent of the tools directory. The command line is:
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# [$env_vars] tools/run_blob_bench.sh
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#
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# This runs the following sequence of BlobDB performance tests:
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# phase 1) write-only - bulkload+compact, overwrite+waitforcompaction
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# phase 2) read-write - readwhilewriting, fwdrangewhilewriting
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# phase 3) read-only - readrandom, fwdrange
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#
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# Exit Codes
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EXIT_INVALID_ARGS=1
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# Size constants
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K=1024
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M=$((1024 * K))
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G=$((1024 * M))
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T=$((1024 * G))
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function display_usage() {
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echo "usage: run_blob_bench.sh [--help]"
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echo ""
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echo "Runs the following sequence of BlobDB benchmark tests using tools/benchmark.sh:"
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echo -e "\tPhase 1: write-only tests: bulkload+compact, overwrite+waitforcompaction"
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echo -e "\tPhase 2: read-write tests: readwhilewriting, fwdrangewhilewriting"
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echo -e "\tPhase 3: read-only tests: readrandom, fwdrange"
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echo ""
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echo "Environment Variables:"
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echo -e "\tJOB_ID\t\t\t\tIdentifier for the benchmark job, will appear in the results (default: empty)"
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echo -e "\tDB_DIR\t\t\t\tPath for the RocksDB data directory (mandatory)"
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echo -e "\tWAL_DIR\t\t\t\tPath for the RocksDB WAL directory (mandatory)"
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echo -e "\tOUTPUT_DIR\t\t\tPath for the benchmark results (mandatory)"
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echo -e "\tNUM_THREADS\t\t\tNumber of threads (default: 16)"
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echo -e "\tCOMPRESSION_TYPE\t\tCompression type for the SST files (default: lz4)"
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echo -e "\tDB_SIZE\t\t\t\tRaw (uncompressed) database size (default: 1 TB)"
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echo -e "\tVALUE_SIZE\t\t\tValue size (default: 1 KB)"
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echo -e "\tNUM_KEYS\t\t\tNumber of keys (default: raw database size divided by value size)"
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echo -e "\tDURATION\t\t\tIndividual duration for read-write/read-only tests in seconds (default: 1800)"
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echo -e "\tWRITE_BUFFER_SIZE\t\tWrite buffer (memtable) size (default: 1 GB)"
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echo -e "\tENABLE_BLOB_FILES\t\tEnable blob files (default: 1)"
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echo -e "\tMIN_BLOB_SIZE\t\t\tSize threshold for storing values in blob files (default: 0)"
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echo -e "\tBLOB_FILE_SIZE\t\t\tBlob file size (default: same as write buffer size)"
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echo -e "\tBLOB_COMPRESSION_TYPE\t\tCompression type for the blob files (default: lz4)"
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echo -e "\tENABLE_BLOB_GC\t\t\tEnable blob garbage collection (default: 1)"
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echo -e "\tBLOB_GC_AGE_CUTOFF\t\tBlob garbage collection age cutoff (default: 0.25)"
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echo -e "\tBLOB_GC_FORCE_THRESHOLD\t\tThreshold for forcing garbage collection of the oldest blob files (default: 1.0)"
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echo -e "\tTARGET_FILE_SIZE_BASE\t\tTarget SST file size for compactions (default: write buffer size, scaled down if blob files are enabled)"
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echo -e "\tMAX_BYTES_FOR_LEVEL_BASE\tMaximum size for the base level (default: 8 * target SST file size)"
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}
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if [ $# -ge 1 ]; then
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display_usage
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if [ "$1" == "--help" ]; then
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exit
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else
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exit $EXIT_INVALID_ARGS
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fi
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fi
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# shellcheck disable=SC2153
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if [ -z "$DB_DIR" ]; then
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echo "DB_DIR is not defined"
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exit $EXIT_INVALID_ARGS
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fi
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# shellcheck disable=SC2153
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if [ -z "$WAL_DIR" ]; then
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echo "WAL_DIR is not defined"
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exit $EXIT_INVALID_ARGS
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fi
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# shellcheck disable=SC2153
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if [ -z "$OUTPUT_DIR" ]; then
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echo "OUTPUT_DIR is not defined"
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exit $EXIT_INVALID_ARGS
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fi
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# shellcheck disable=SC2153
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job_id=$JOB_ID
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db_dir=$DB_DIR
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wal_dir=$WAL_DIR
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output_dir=$OUTPUT_DIR
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num_threads=${NUM_THREADS:-16}
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compression_type=${COMPRESSION_TYPE:-lz4}
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db_size=${DB_SIZE:-$((1 * T))}
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value_size=${VALUE_SIZE:-$((1 * K))}
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num_keys=${NUM_KEYS:-$((db_size / value_size))}
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duration=${DURATION:-1800}
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write_buffer_size=${WRITE_BUFFER_SIZE:-$((1 * G))}
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enable_blob_files=${ENABLE_BLOB_FILES:-1}
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min_blob_size=${MIN_BLOB_SIZE:-0}
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blob_file_size=${BLOB_FILE_SIZE:-$write_buffer_size}
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blob_compression_type=${BLOB_COMPRESSION_TYPE:-lz4}
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enable_blob_garbage_collection=${ENABLE_BLOB_GC:-1}
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blob_garbage_collection_age_cutoff=${BLOB_GC_AGE_CUTOFF:-0.25}
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blob_garbage_collection_force_threshold=${BLOB_GC_FORCE_THRESHOLD:-1.0}
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if [ "$enable_blob_files" == "1" ]; then
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target_file_size_base=${TARGET_FILE_SIZE_BASE:-$((32 * write_buffer_size / value_size))}
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else
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target_file_size_base=${TARGET_FILE_SIZE_BASE:-$write_buffer_size}
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fi
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max_bytes_for_level_base=${MAX_BYTES_FOR_LEVEL_BASE:-$((8 * target_file_size_base))}
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echo "======================== Benchmark setup ========================"
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echo -e "Job ID:\t\t\t\t\t$job_id"
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echo -e "Data directory:\t\t\t\t$db_dir"
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echo -e "WAL directory:\t\t\t\t$wal_dir"
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echo -e "Output directory:\t\t\t$output_dir"
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echo -e "Number of threads:\t\t\t$num_threads"
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echo -e "Compression type for SST files:\t\t$compression_type"
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echo -e "Raw database size:\t\t\t$db_size"
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echo -e "Value size:\t\t\t\t$value_size"
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echo -e "Number of keys:\t\t\t\t$num_keys"
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echo -e "Duration of read-write/read-only tests:\t$duration"
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echo -e "Write buffer size:\t\t\t$write_buffer_size"
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echo -e "Blob files enabled:\t\t\t$enable_blob_files"
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echo -e "Blob size threshold:\t\t\t$min_blob_size"
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echo -e "Blob file size:\t\t\t\t$blob_file_size"
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echo -e "Compression type for blob files:\t$blob_compression_type"
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echo -e "Blob GC enabled:\t\t\t$enable_blob_garbage_collection"
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echo -e "Blob GC age cutoff:\t\t\t$blob_garbage_collection_age_cutoff"
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echo -e "Blob GC force threshold:\t\t$blob_garbage_collection_force_threshold"
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echo -e "Target SST file size:\t\t\t$target_file_size_base"
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echo -e "Maximum size of base level:\t\t$max_bytes_for_level_base"
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echo "================================================================="
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rm -rf "$db_dir"
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rm -rf "$wal_dir"
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rm -rf "$output_dir"
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ENV_VARS="\
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JOB_ID=$job_id \
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DB_DIR=$db_dir \
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WAL_DIR=$wal_dir \
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OUTPUT_DIR=$output_dir \
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NUM_THREADS=$num_threads \
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COMPRESSION_TYPE=$compression_type \
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VALUE_SIZE=$value_size \
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NUM_KEYS=$num_keys"
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ENV_VARS_D="$ENV_VARS DURATION=$duration"
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PARAMS="\
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--enable_blob_files=$enable_blob_files \
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--min_blob_size=$min_blob_size \
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--blob_file_size=$blob_file_size \
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--blob_compression_type=$blob_compression_type \
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--write_buffer_size=$write_buffer_size \
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--target_file_size_base=$target_file_size_base \
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--max_bytes_for_level_base=$max_bytes_for_level_base"
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PARAMS_GC="$PARAMS \
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--enable_blob_garbage_collection=$enable_blob_garbage_collection \
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--blob_garbage_collection_age_cutoff=$blob_garbage_collection_age_cutoff \
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--blob_garbage_collection_force_threshold=$blob_garbage_collection_force_threshold"
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# bulk load (using fillrandom) + compact
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env -u DURATION -S "$ENV_VARS" ./tools/benchmark.sh bulkload "$PARAMS"
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# overwrite + waitforcompaction
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env -u DURATION -S "$ENV_VARS" ./tools/benchmark.sh overwrite "$PARAMS_GC"
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# readwhilewriting
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env -S "$ENV_VARS_D" ./tools/benchmark.sh readwhilewriting "$PARAMS_GC"
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# fwdrangewhilewriting
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env -S "$ENV_VARS_D" ./tools/benchmark.sh fwdrangewhilewriting "$PARAMS_GC"
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# readrandom
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env -S "$ENV_VARS_D" ./tools/benchmark.sh readrandom "$PARAMS_GC"
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# fwdrange
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env -S "$ENV_VARS_D" ./tools/benchmark.sh fwdrange "$PARAMS_GC"
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# save logs to output directory
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cp "$db_dir"/LOG* "$output_dir/"
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