Bryan Tsai

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Optimize Data Lake Layout to Support Multiple Ordering
There is a way for a data lake to be physically clustered and sorted by multiple columns at the same time.
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Bryan Tsai
Your Timezone or My Timezone?
We gotta choose one. Which one are you going to choose?
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Bryan Tsai
Dealing with Late-Arriving Data in Data Vault
There is always some late-arriving data. How do we deal with it in Data Vault?
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Bryan Tsai

December 2023

Maintaining Two Timelines with Data Vault
In business architecture, there are at least two views: the real-world view and our system’s view.
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Bryan Tsai

November 2023

May 2017

Serverless Feed Aggregator
With Serverless Framework, OpenWhisk, and Cloudant
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Bryan Tsai
Serverless IoT Analytics with OpenWhisk Part 3 — How to keep state?
This is the third part of a series.
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Bryan Tsai

April 2017

Serverless IoT Analytics with OpenWhisk Part 2 — How to structure functions?
This is the second part of a series.
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Bryan Tsai
Serverless IoT Analytics with OpenWhisk Part 1 — Is It Slower?
As I explored the serverless world (the FaaS area), I always wondered how it compared to the “normal” way. Would it slow things down? Is it…
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Bryan Tsai
How to Trigger OpenWhisk Actions from Watson IoT Analytics
Watson IoT Analytics rule triggering supports several action types: email, webhook, Node-RED, and IFTTT. In most cases, these actions allow…
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Bryan Tsai
How to resolve dependency conflict out of your control
My project uses Apache Twill and Cassandra Java Driver. Twill uses Guava 13.0.1 while Cassandra Java Driver uses Guava 16.0.1. Even worse…
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Bryan Tsai

October 2014

Fault Tolerant Message Processing in Storm
Storm is fault tolerant and allows the choice of the level of guarantee with which messages to be processed:
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Bryan Tsai
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