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Cap theorem- Choose only 2/3
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In last classmaster_slave database was discussed,
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In last classmaster_slave database was discussed.
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CAConsistency andAvailability comes from SQL Database
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So selecting Database should be done based on these three things.
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Partition_Tolerance is about having seperation between nodes so that nodes that fail don’t affect the other nodes.
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InBFSI domainAtomicity is important, transactions are important since everything should happen or rollback elegantly.
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In below diagram, the caching server can be replaced with cache layer which will basically be a method or interceptor for the API calls or a method deciding to pick data from state or localstorage based on if parsed data is present there,

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forward_proxy is used by education institutes to block request to certain website like facebook.
Queuing
AWS- Amazon Web Services S3
Elastic Search
- Search ELK, you will get good kabana searchboards.

kafka
AWS- Amazon Web Services lambda
Previous class PDF
Questions
- Q. Will this PDF be shared?
- Q. How does the pricing of cloud providers get affected by Websockets & socket.io vsHTTP ?
- Q. Do all serverless functions work as observers?
- Q.




