EVALSHA
Run a cached Lua script by its SHA1 digest.
EVALSHA sha1 numkeys [key [key ...]] [arg [arg ...]]
Complexity
O(1) cache lookup, then identical to EVAL
Complexity and compatibility are read out of kevy's implementation, not copied from Redis's reference. Several genuinely differ.
Redis compatibility
Differs
same instruction-budget model as EVAL (no -BUSY, no SCRIPT KILL); the cache is process-wide and EVAL populates it