Inside Simple Binary Encoding (SBE)

SBE is very fast serialization library which is used in financial industry, in this blog i will go though some…

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Spark Microservices

As continuation of big data query system blog, i want to share more techniques for building Analytics engine. Take a problem…

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Custom Logs in Apache Spark

Have you ever felt the frustration of Spark job that runs for hours and it fails due to infra issue.…

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Design pressure on engineering team ?

How many times are you supporting or developing system and felt it could have been better designed? Move fast and…

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Lazy evaluation

Recently i was writing log4j appender and wanted to use logger in it to log some diagnostic details during custom…

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Java Arrays Sort decoded

Sorting is one the first algorithm that we learn in computer science. Sorting is such an interesting area that it…

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Wrap around design pattern in java8

Wrap around pattern is not listed in in GOF book but is very useful for problem like below: Loop construct…

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Efficiency with Algorithms

Recently had look at excellent talk on Efficiency with Algorithms, Performance with Data Structures , this talk has really some good…

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Factory Without IF-ELSE

Object Oriented Language has very powerful feature of Polymorphism, it is used to remove if/else or switch case in code.…

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