System Design Mock Interview - Design distributed metrics logging system

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You guys have a lot of knowledge! Thank you, I've learned a lot :)

PercentPure
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good content. please have in english (last section and other videos too) if possible :)

vikramm
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Do the message queues have replications in each shard? If so, you don't need to worry about instance going down right?

linc
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请问如果是用timestamp+API来做shard key的话,如果有一个range query, 比如query = (start_time, end_time, "api/books"), 这样岂不是要对所有的shards都发query? 如果用DynamoDB,只用API来做shard key,然后timestamp作为sorted key,这样是不是会好一点?

yueliu
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what's the drawing tool you are using?

winnielee