@javarevisited Database is 100% means all the queries are hitting the database that means there is something wrong in cache . Check the cache and fix it . And also check the query whether the queries are taking long time to execute
@tanujDE3180 Concurrency managing multiple tasks that make progress during overlapping time periods. whereas parallelism means multiple tasks are executing together
@0xPrajwal_ Encoding means changing the data format , where as encryption means transforming the data into cipher text with a key or algorithm for secure data transfer
@yashmp2004 Check the database , the connection pool may exhausted, to avoid this use indexes ( composite or single ) on columns and store the hot keys in Cache
@Its_Nova1012 We need to ensure that we are sending the same idempotent key in the frontend so that backend recognises the key and charge the user only once