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Understanding Apache Pulsar
In this post we’ll go through the Apache Pulsar design so that we can better design the failure scenarios. This post is not for people who want to understand how to use Apache Pulsar but who want to understand how it works. I have struggled to write a clear overview of its architecture in a way that is simple and easy to understand. I appreciate any feedback on this write-up.

The main claims that I am interested in are:

guarantees of no message loss (if recommended configuration applied and your whole data center doesn't burn to the ground)

strong ordering guarantees

predictable read and write latency

Apache Pulsar chooses consistency over availability as does its sister projects BookKeeper and ZooKeeper. Every effort is made to give strong consistency.
pulsar  kafka  messaging  systems  distributed  consensus 
4 days ago by whitney
The Systems Thinker – Dancing with Systems - The Systems Thinker
We can’t control systems or figure them out. But we can dance with them (see “The Dance”)! I already knew that, in a way, before I began to study systems. I had learned about dancing with great powers from whitewater kayaking, from gardening, from playing music, from skiing. All those endeavors require one to stay wide-awake, pay close attention, participate flat out, and respond to feedback. It had never occurred to me that those same requirements might apply to intellectual work, to management, to government, to getting along with people.
systems  systemsthinking  share  donellameadows 
7 days ago by mayonissen
How “systems thinking” can level up your work — and your life
They had never experienced this massive creature before. Slowly, they each reached out and touched a different part of the elephant. This ancient parable from the Indian subcontinent has been passed…
9 days ago by geetarista

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