db_bench_zns.sh

#!/bin/bash


if [ "$#" -ne 1 ]; then
  echo "Usage: ./db_bench_zns.sh [zns_device, e.g. nvme7n2]"
  exit 1 
fi

DEVICE=$1
OUTPUT=build

rm -rf /tmp/zenfs_$DEVICE*
./$OUTPUT/zenfs mkfs --zbd=$DEVICE --aux_path=/tmp/zenfs_$DEVICE --force=true

./$OUTPUT/db_bench \
    --zbd_path=$DEVICE \
    --benchmarks=fillrandom \
    --readwritepercent=90 \
    --use_existing_db=0 \
    --histogram=1 \
    --statistics=0 \
    --stats_per_interval=1 \
    --stats_interval_seconds=60 \
    --max_background_flushes=3 \
    --max_background_compactions=5 \
    --enable_lazy_compaction=0 \
    --level0_file_num_compaction_trigger=4 \
    --sync=1 \
    --allow_concurrent_memtable_write=1 \
    --bytes_per_sync=32768 \
    --wal_bytes_per_sync=32768 \
    --delayed_write_rate=419430400 \
    --enable_write_thread_adaptive_yield=1 \
    --threads=16 \
    --num_levels=7 \
    --key_size=36 \
    --value_size=16000 \
    --level_compaction_dynamic_level_bytes=true \
    --mmap_read=false \
    --compression_type=zstd \
    --memtablerep=skip_list \
    --use_terark_table=false \
    --blob_size=1024 \
    --blob_gc_ratio=0.0625 \
    --write_buffer_size=268435456 \
    --max_write_buffer_number=20 \
    --target_file_size_base=134217728 \
    --target_blob_file_size=134217728 \
    --blob_file_defragment_size=33554432 \
    --max_dependence_blob_overlap=128 \
    --optimize_filters_for_hits=true \
    --optimize_range_deletion=true \
    --num=60000000 \
    --db=test_kuankuan \
    --benchmark_write_rate_limit=100000000 \
    --prepare_log_writer_num=0 \
    --use_direct_io_for_flush_and_compaction=1 \
    --zenfs_low_gc_ratio=0.3 \
    --zenfs_high_gc_ratio=0.6 \
    --zenfs_force_gc_ratio=0.9