Drop caches clickhouse

Sync replica clickhouse-client -q 'SYSTEM SYNC REPLICA mydb.myTable' Connect and run a query clickhouse-client --host ch.example.com --user default --password secret -q 'SELECT version()' Check running queries clickhouse-client -q 'SELECT query_id, elapsed, query FROM system.processes ORDER BY elapsed DESC LIMIT 10' Kill a running query clickhouse-client -q "KILL QUERY WHERE query_id = 'abc-123'" Table disk usage clickhouse-client -q 'SELECT database, table, formatReadableSize(sum(bytes_on_disk)) AS size FROM system.parts GROUP BY database, table ORDER BY sum(bytes_on_disk) DESC LIMIT 20'