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Multiple ChoiceBeginner 45s

Read replica lag

A user updates their profile, then immediately loads the profile page and sees stale data. The read goes to a replica. What is the cause?
Options
  1. 1The DB is in a partitioned split-brain state
  2. 2The cache is using LFU instead of LRU
  3. 3The load balancer is hashing on source IP
  4. 4Replication lag between the leader and the read replica

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