CREATE TABLE IF NOT EXISTS mabase_prod.classifications ( ip String, ja4 String, label LowCardinality(String), tags Array(String), comment String, confidence Float32, features String, analyst String, created_at DateTime DEFAULT now() ) ENGINE = MergeTree() PARTITION BY toYYYYMM(created_at) ORDER BY (created_at, ip, ja4) SETTINGS index_granularity = 8192;