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Benchmarks on multiple RocksDB instances with db_bench
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export CACHE_SIZE=$((8*1024*1024*1024)) | |
export FILE_SIZE=$((8*1024*1024)) | |
export NUM_DBS=20 | |
export NUM_KEYS=2000000 # ~2GB each DB | |
# export EXTRAS=--db_write_buffer_size=134217728 # 1/10 of write_buffer_size(64M)*num_dbs | |
export SUFFIX=vanilla | |
./db_bench --db=$(pwd)/dbbench --num=${NUM_KEYS} --num_multi_db=${NUM_DBS} --cache_size=${CACHE_SIZE} --key_size=20 --value_size=400 --max_background_jobs=8 --cache_index_and_filter_blocks=true --level_compaction_dynamic_level_bytes=true --target_file_size_base=${FILE_SIZE} --compression_type=lz4 --seed=777 --benchmarks=fillrandom --use_existing_db=0 --sync=0 --threads=${NUM_DBS} --allow_concurrent_memtable_write=false --disable_wal=1 ${EXTRAS} > load.${SUFFIX}.log | |
du -d1 -h $(pwd)/dbbench >> load.${SUFFIX}.log | |
cp -rf $(pwd)/dbbench $(pwd)/dbbench.${SUFFIX}.bak | |
./db_bench --db=$(pwd)/dbbench --num=${NUM_KEYS} --num_multi_db=${NUM_DBS} --cache_size=${CACHE_SIZE} --key_size=20 --value_size=400 --max_background_jobs=8 --cache_index_and_filter_blocks=true --level_compaction_dynamic_level_bytes=true --target_file_size_base=${FILE_SIZE} --compression_type=lz4 --seed=7777 --benchmarks=overwrite --use_existing_db=1 --sync=0 --threads=${NUM_DBS} --allow_concurrent_memtable_write=false --disable_wal=1 --duration=900 ${EXTRAS} > overwrite.${SUFFIX}.log | |
du -d1 -h $(pwd)/dbbench >> overwrite.${SUFFIX}.log | |
./db_bench --db=$(pwd)/dbbench --num=${NUM_KEYS} --num_multi_db=${NUM_DBS} --cache_size=${CACHE_SIZE} --key_size=20 --value_size=400 --max_background_jobs=8 --cache_index_and_filter_blocks=true --level_compaction_dynamic_level_bytes=true --target_file_size_base=${FILE_SIZE} --compression_type=lz4 --seed=77 --benchmarks=readwhilewriting --use_existing_db=1 --sync=0 --threads=${NUM_DBS} --allow_concurrent_memtable_write=false --disable_wal=1 --duration=900 ${EXTRAS} > readwhilewriting.${SUFFIX}.log | |
du -d1 -h $(pwd)/dbbench >> readwhilewriting.${SUFFIX}.log | |
# Summary | |
echo "\n[insert] (ops, n_flushes, size)" | |
cat load.${SUFFIX}.log | grep "^fillrandom" | |
cat load.${SUFFIX}.log | grep "\[flush\]" -c | |
cat load.${SUFFIX}.log | grep "dbbench$" | |
echo "\n[update] (ops, n_flushes, size)" | |
cat overwrite.${SUFFIX}.log | grep "^overwrite" | |
cat overwrite.${SUFFIX}.log | grep "\[flush\]" -c | |
cat overwrite.${SUFFIX}.log | grep "dbbench$" | |
echo "\n[read write] (ops, n_flushes, size)" | |
cat readwhilewriting.${SUFFIX}.log | grep "^readwhilewriting" | |
cat readwhilewriting.${SUFFIX}.log | grep "\[flush\]" -c | |
cat readwhilewriting.${SUFFIX}.log | grep "dbbench$" |
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