Build clickhouse without tcmalloc. cmake -D ENABLE_TCMALLOC=0 Copy clickhouse binary to your server. scp dbms/programs/clickhouse server:~ ssh to your server Stop clickhouse: sudo service clickhouse-server stop Run clickhouse with heap profiler from the terminal: sudo -u clickhouse LD_PRELOAD=/usr/lib/libtcmalloc.so HEAPPROFILE=/var/log/clickhouse-server/heap.hprof ./clickhouse server --config /etc/clickhouse-server/config.xml Profiles will appear in /var/log/clickhouse-server/