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 ?

how does sharding work?

ElasticCache helps with latency how? what is the database doing read /write? where is elasticcache position?