benefit of Sharding? Is it Scalability - add nodes to handle more data or traffic?
2)Performance - parallelize queries across shards 3) falut isoltion -
True or False?
each shards get stored on a separate node often in different availability zone for redunandcy? TRue or false?
sharding is used to distrube data across multiple server ( this is called shards and node) ? TRue or false ?
ElasticCache helps with latency how? what is the database doing read /write? where is elasticcache position?
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