# How to use Address Sanitizer

# Note: We use Address Sanitizer to run functional tests for every commit automatically.

mkdir build && cd build

# Note:
# ENABLE_TCMALLOC=0 is optional.
# CC=clang CXX=clang++ is strongly recommended.

CC=clang CXX=clang++ cmake -D CMAKE_BUILD_TYPE=ASan -D ENABLE_TCMALLOC=0 ..
make -j24

# Copy binary to your server

scp ./dbms/src/Server/clickhouse yourserver:~/clickhouse-libcxx-asan

# Start ClickHouse and run tests

sudo -u clickhouse ./clickhouse-libcxx-asan --config /etc/clickhouse-server/config.xml


# How to use Thread Sanitizer

mkdir build && cd build

# Note: All parameters are mandatory.

CC=clang CXX=clang++ cmake -D CCACHE_FOUND=0 -D CMAKE_BUILD_TYPE=TSan -D ENABLE_TCMALLOC=0 ..
make -j24

# Copy binary to your server

scp ./dbms/src/Server/clickhouse yourserver:~/clickhouse-libcxx-tsan

# Start ClickHouse and run tests

sudo -u clickhouse TSAN_OPTIONS='halt_on_error=1' ./clickhouse-libcxx-tsan --config /etc/clickhouse-server/config.xml