BRPOP
Blocking right pop across one or more lists (effect logged as RPOP).
BRPOP key [key ...] timeoutComplexity
O(1) to serve; FIFO park
Complexity and compatibility are read out of kevy's implementation, not copied from Redis's reference. Several genuinely differ.
Redis compatibility
Differs
same multi-key priority deviation as BLPOP
See also
BLPOPBRPOPLPUSHLINDEXLLENLMOVELPOPLPOSLPUSHLRANGELREMLSETLTRIMRPOPRPOPLPUSHRPUSH