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by heisenbit
3267 days ago
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> Every shardable database (Cassandra, Dynamo, BigTable) has to worry about hot spots. Yeah, but the issue with DynamoDB seems to be bursts of access triggering "throughput exceptions" caused a very static bandwidth allocation which is going down with the number of shards and not so graceful handling of overload situations. It is imho. an anti-pattern to split up the bandwidth like they do. It negates the multiplexing gain for no good reason except a rigid control model. |
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