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Xinjing Zhou, Xiangyao Yu, Goetz Graefe, Micheal Stonebraker

Lotus: Scalable Multi-Partition Transactions on Single-Threaded Partitioned Databases

Proc. of the VLDB Endowment (PVLDB), Volume 15, Sydney, Australia, 2022.

This repository contains source code for Lotus. The code is based on the star framework from Yi Lu.

Dependencies

sudo apt-get update
sudo apt-get install -y zip make cmake g++ libjemalloc-dev libboost-dev libgoogle-glog-dev

Build

mkdir -p build
cd build
cmake ..
make -j

Example commands to run the project in a single host

# TPCC
./build/bench_tpcc --logtostderr=1 --id=0 --servers="127.0.0.1:1234" --threads=2 --partition_num=2 --granule_count=2000 \
        --log_path= --persist_latency=0 --wal_group_commit_time=0 --wal_group_commit_size=0 \
        --partitioner=hash --hstore_command_logging=false \
        --replica_group=1 --lock_manager=0 --batch_flush=1 --lotus_async_repl=true --batch_size=0 \
        --protocol=Sundial --query=mixed --neworder_dist=10 --payment_dist=15

./build/bench_tpcc --logtostderr=1 --id=0 --servers="127.0.0.1:1234" --threads=2 --partition_num=2 --granule_count=2000 \
        --log_path= --persist_latency=0 --wal_group_commit_time=0 --wal_group_commit_size=0 \
        --partitioner=hash --hstore_command_logging=false \
        --replica_group=1 --lock_manager=0 --batch_flush=1 --lotus_async_repl=true --batch_size=0 \
        --protocol=HStore --query=mixed --neworder_dist=10 --payment_dist=15

# YCSB
./build/bench_ycsb --logtostderr=1 --id=0 --servers="127.0.0.1:1234" --threads=2 --partition_num=2 --granule_count=2000 \
        --log_path= --persist_latency=0 --wal_group_commit_time=0 --wal_group_commit_size=0 \
        --partitioner=hash --hstore_command_logging=false \
        --replica_group=1 --lock_manager=0 --batch_flush=1 --lotus_async_repl=true --batch_size=0 \
        --protocol=Sundial --keys=100000 --read_write_ratio=100 --zipf=0 --cross_ratio=10 --cross_part_num=2

./build/bench_ycsb --logtostderr=1 --id=0 --servers="127.0.0.1:1234" --threads=2 --partition_num=2 --granule_count=2000 \
        --log_path= --persist_latency=0 --wal_group_commit_time=0 --wal_group_commit_size=0 \
        --partitioner=hash --hstore_command_logging=false \
        --replica_group=1 --lock_manager=0 --batch_flush=1 --lotus_async_repl=true --batch_size=0 \
        --protocol=HStore --keys=100000 --read_write_ratio=100 --zipf=0 --cross_ratio=10 --cross_part_num=2

Example commands to run the project in a distributed setting

  • replace NUM_HOST with the number of hosts
  • replace NUM_WORKER with the number of workers
  • replace (NUM_WORKER * NUM_HOST) with the value after calculation
  • replace IP_STRING with a string of IPs. e.g., use "192.168.0.1:1234;192.168.0.2:1234;192.168.0.3:1234;192.168.0.4:1234" for four hosts
  • the following example assumes Sundial. To run other concurrency control algorithms, just modify the '--protocol=' argument
# Run Sundial with TPCC
# run the following code in host 0
./build/bench_tpcc --logtostderr=1 --id=0 --servers=IP_STRING --threads=NUM_WORKER --partition_num=(NUM_WORKER * NUM_HOST) --granule_count=2000 \
        --log_path= --persist_latency=0 --wal_group_commit_time=0 --wal_group_commit_size=0 \
        --partitioner=hash --hstore_command_logging=false \
        --replica_group=1 --lock_manager=0 --batch_flush=1 --lotus_async_repl=true --batch_size=0 \
        --protocol=Sundial --query=mixed --neworder_dist=10 --payment_dist=15

# run the following code in host 1
./build/bench_tpcc --logtostderr=1 --id=1 --servers=IP_STRING --threads=NUM_WORKER --partition_num=(NUM_WORKER * NUM_HOST) --granule_count=2000 \
        --log_path= --persist_latency=0 --wal_group_commit_time=0 --wal_group_commit_size=0 \
        --partitioner=hash --hstore_command_logging=false \
        --replica_group=1 --lock_manager=0 --batch_flush=1 --lotus_async_repl=true --batch_size=0 \
        --protocol=Sundial --query=mixed --neworder_dist=10 --payment_dist=15

...

# run the following code in host N (replace N with the real ID)
./build/bench_tpcc --logtostderr=1 --id=N --servers=IP_STRING --threads=NUM_WORKER --partition_num=(NUM_WORKER * NUM_HOST) --granule_count=2000 \
        --log_path= --persist_latency=0 --wal_group_commit_time=0 --wal_group_commit_size=0 \
        --partitioner=hash --hstore_command_logging=false \
        --replica_group=1 --lock_manager=0 --batch_flush=1 --lotus_async_repl=true --batch_size=0 \
        --protocol=Sundial --query=mixed --neworder_dist=10 --payment_dist=15


# Run Sundial with YCSB
# run the following code in host 0
./build/bench_tpcc --logtostderr=1 --id=0 --servers=IP_STRING --threads=NUM_WORKER --partition_num=(NUM_WORKER * NUM_HOST) --granule_count=2000 \
        --log_path= --persist_latency=0 --wal_group_commit_time=0 --wal_group_commit_size=0 \
        --partitioner=hash --hstore_command_logging=false \
        --replica_group=1 --lock_manager=0 --batch_flush=1 --lotus_async_repl=true --batch_size=0 \
        --protocol=Sundial --keys=100000 --read_write_ratio=100 --zipf=0 --cross_ratio=10 --cross_part_num=2

# run the following code in host 1
./build/bench_tpcc --logtostderr=1 --id=1 --servers=IP_STRING --threads=NUM_WORKER --partition_num=(NUM_WORKER * NUM_HOST) --granule_count=2000 \
        --log_path= --persist_latency=0 --wal_group_commit_time=0 --wal_group_commit_size=0 \
        --partitioner=hash --hstore_command_logging=false \
        --replica_group=1 --lock_manager=0 --batch_flush=1 --lotus_async_repl=true --batch_size=0 \
        --protocol=Sundial --keys=100000 --read_write_ratio=100 --zipf=0 --cross_ratio=10 --cross_part_num=2

...

# run the following code in host N (replace N with the real ID)
./build/bench_tpcc --logtostderr=1 --id=N --servers=IP_STRING --threads=NUM_WORKER --partition_num=(NUM_WORKER * NUM_HOST) --granule_count=2000 \
        --log_path= --persist_latency=0 --wal_group_commit_time=0 --wal_group_commit_size=0 \
        --partitioner=hash --hstore_command_logging=false \
        --replica_group=1 --lock_manager=0 --batch_flush=1 --lotus_async_repl=true --batch_size=0 \
        --protocol=Sundial --keys=100000 --read_write_ratio=100 --zipf=0 --cross_ratio=10 --cross_part_num=2