Author Archives: acrocontext

Kubernetes – How Flannel network works

Software based packet routing mechanism without NAT. Advertisements

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HTTP – Streaming events delivery with HTTP protocol

HTTP 1.1 has the following header option to deliver the streaming data to clients by opening a TCP connection. With above header, Content-Length will be omitted but beginning of each chunk will have the length of the current chunk in … Continue reading

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MapReduce – Reduce side join example

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Kubenetes – Example of Kubenetes

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Docker – difference RUN, CMD and ETRYPOINT

1. CMD vs ENTRYPOINT The ENTRYPOINT specifies a command that will always be executed when the container starts. The CMD specifies arguments that will be fed to the ENTRYPOINT. 2. RUN vs CMD RUN – command triggers while we build … Continue reading

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Java – Loading an entire Cassandra table in parallel

Sometimes, it is required to load all rows in the Cassandra table but it is very slow if loading is performed by a single thread. Let’s say we have the following table in Cassandra If we load the entire table … Continue reading

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C++ 17 – Generative Programming in C++ 17

Interesting generative programming in C++ 17. I think that this explains why compile time reflection and declarative programming approach is required for clean and readable code in C++.

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