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If you have significantly more buckets than users though shouldn't the variations in access pattern even out?
by foota 9y ago
If you have significantly more buckets than users though shouldn't the variations in access pattern even out?
- solidsnack9000 9y agoIt depends on what the extremes look like. Say things are power law distributed -- you have three users that require 1000000x capacity -- then as you shard more you basically guarantee that some shards are much, much more heavily loaded than others.