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Lessons (4)

• Consumers & Consumer Groups

  How consumers read in parallel with consumer groups, how partitions are assigned and rebalanced, how offsets are committed …

• Replication, Partitioning & Sharding

  … Plan the router, shard map, ID generation, backups, rebalancing and degraded behavior before splitting. Cross-shard joins and …

• Data Structures for Scale

  … R-tree Which shapes/points overlap this area? Rebalancing and skew Bloom / Cuckoo filter Is an item definitely …

• Topics, Partitions & Offsets

  … More files and memory on brokers<br/ ❌ Longer rebalances and failovers"] - Partitions = the maximum number of consumers in …