Distributed system comes with challenges!



 

It is essential that you know the answers to these basic questions before going live and releasing your system. 


• Is the Cloud infrastructure reliable and correctly configured for your solution?

• Is the System solution stable? Does it perform well with peaks and normal loads?

• Processing of big data, saving to Database and processing queues all work well when system exposed to Load for longer duration?

• Find if your solution can scale-up and scale-down as expected?

• How does the sub-systems perform under load and stress? Are they Reliable enough?

• What is the minimum infrastructure requirement to support the expected traffic and messages big data?

• How the system recovers if a component/sub-component malfunction or crashes? How much is the downtime in case of restart? How long does the system takes to come to full capacity?

• How are the Queues and topics behave when normal loads exceeded? Batch reading of messages need fine tuning?

• Is your database scaling up as designed? What about the CPU utilization and queries executions under continuous endurance test for couple of hours?

• Are the database queries performing optimally? Any index recommendations ?

• How many PODS do you need to keep system performing optimally. Are you aware of the cost factor behind running infrastructure to this limits?

• How is the system performing in peak moments? Is the scaling scaling up correctly? Any bottlenecks or delays faced?

• How is the scale down functioning? Is the cloud solution costing too much when no load?

• What about the impact on third-party components and services? Auto service recovery and service dependencies?

• Is there any loss of messages?

• How does the system react to unhappy scenarios with corrupt data or delay in any sub-component processing? What about error handling?

• How efficient is the authentication functionalities when system under stress?

• How stable is the Broker and component integration.

• How efficient is the queue processing when one component is down for 1 to n minutes? How long it takes to Recovery and come back to satisfactory performance? Or does it recover at all?

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