"Rate Limiter is to limit the number of request from a particular IP Address. Rate limiter will block the IP address to reduce the load on server. It should be highly available and handle concurrent requests. Blocked IP addresses should be kept in a pool which is present in shared cache. We need to keep threshold value after it reaches threshold value it should start blocking IP address.
All these ip address to be kept in No SQL DB. Batch will run that will clear the cache and delete all the bloc"
Ashish G. - "Rate Limiter is to limit the number of request from a particular IP Address. Rate limiter will block the IP address to reduce the load on server. It should be highly available and handle concurrent requests. Blocked IP addresses should be kept in a pool which is present in shared cache. We need to keep threshold value after it reaches threshold value it should start blocking IP address.
All these ip address to be kept in No SQL DB. Batch will run that will clear the cache and delete all the bloc"See full answer
"It would have been more interesting to focus on the system design rather than the Trie DS, Interviewee could have just mentioned the Trie and passed to things more important.
Interviewee should have focused on the factors on which he wants to scale the API servers, popularity of the query parts ? region may be ? A hash of many factors ?
Caches should have definitely be discussed, Cache eviction policies, Cache invalidation managements...
Interviewee should have mentioned which kind of API pro"
Aymen D. - "It would have been more interesting to focus on the system design rather than the Trie DS, Interviewee could have just mentioned the Trie and passed to things more important.
Interviewee should have focused on the factors on which he wants to scale the API servers, popularity of the query parts ? region may be ? A hash of many factors ?
Caches should have definitely be discussed, Cache eviction policies, Cache invalidation managements...
Interviewee should have mentioned which kind of API pro"See full answer
Software Engineer
System Design
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