Dec 5, 2020AWS CDK: AWS’s take on infrastructure as codeRevolutionising the infrastructure generation thing for computer industry since 2006 and helping many large and small firms , AWS has given many cloud services like S3, DynamoDb, Elasticsearch etc, which are helping the industry scale easily. One such tool which came in 2011 was AWS CloudFormation. It helps in modelling…AWS3 min read
Feb 9, 2019Benford’s law: Mathematics delights when results are unanticipatedIn an American travel and leisure company, the audit director discovered something that looked odd in claims made by the health care department. First, two digits of healthcare payments showed an unusual spike in number’s starting with 65 on conformity to Benford’s law. …Benfords Law4 min read
Jan 8, 2019Gossiping algorithms: Even they gossip, that too in an amazing and fascinating wayDon't remember the exact problem mentioned by that senior engineer in a particular tech talk, which they faced while working on some product. But it drilled down to something: Given a cluster of nodes or servers, how to efficiently get the information about current status of a particular node .i.e…Cloud Computing4 min read
Dec 9, 2018S3 eventual consistency model issues and tackling themA few months back our on-calls were facing hard times with the random spark job failures in our workflow. The resolution was only retrying the job which eventually succeeded. In error logs according to spark it was: s3://bucketName/prefix/obj.json file not found exception. It was unnecessary botheration and also there were…AWS3 min read
