Amazon Web Services (AWS) - Interview Questions and Answers for 'Amazon aw' | Search Interview Question

Amazon Web Services (AWS) - Interview Questions and Answers for 'Amazon aw' - 4 question(s) found - Order By Rating

Q1. How can we know how many instances are currently in service within an Elastic Beanstalk environment ?

Ans. We can go to respective environment and check configuration and then scaling. It mentions that as current status like

Current status:

2 instance(s) in service, Min: 1, Max: 4

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Q2. What do you understand by "Scaling Trigger" ?

Server

Ans. It's a configuration for auto scaling environment that specify the attributes / conditions for scaling instances up and down. For example - We may like environment to scale up when the number of requests / sec increases a particular threshold and scale down when it decreases below a threshold.

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Q3. What is the relationship between shard and partition key in kinesis stream ?

Amazon Web Services (AWS)

Ans. A partition key is used to group data by shard within a stream. A partition key identifies which shard the message belong to.

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Q4. What is a shard in Kinesis stream ?

Amazon Web Services (AWS)

Ans. A shard is a uniquely identified group of data records in a stream or we can say that Shard is a partition in Kinesis stream. A shard supports a fixed bandwidth i.e fixed number of messages per second. The total capacity of the stream is the sum of the capacities of its shards. If the data rate changes, we can allocate / deallocate more shards to accommodate that.

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