XREAD
Read new entries from one or more streams, optionally blocking.
XREAD [COUNT count] [BLOCK milliseconds] STREAMS key [key ...] id [id ...]Complexity
O(S * (log N + M)) over S streams; '$' is O(1); the park is O(1)
Complexity and compatibility are read out of kevy's implementation, not copied from Redis's reference. Several genuinely differ.
Redis compatibility
Differs
the '+' last-id form is not parsed — only explicit IDs and '$' are accepted
See also
XACKXADDXAUTOCLAIMXCLAIMXDELXGROUPXINFOXLENXPENDINGXRANGEXREADGROUPXREVRANGEXSETIDXTRIM