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Choosing the correct technologies from the very beginning can save up lots of time and headaches. Switching technology later on when the production system is running is very hard and only done if it defines business’s survival I am always interested in which use cases were anticipated (or did not anticipate when chosing certain technologies)…
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The story comes from OneSignal a messaging platform and depends on the postgresql listen/notify features in order to push notifications to end users. Lots of words of wisdom in this article. The problems presented seems to be the case when the performance enhancements of the DB were already saturated (such as too many indices added)…
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What is holiday? You tell me. Traveling – Air plane tickets can be 3x-5x than normal Lodging – Same as air planes, but 2x-3x Specific holiday items – Eg. Finding Christmas Tree during Christmas Restaurants – There is an automatic surcharge wherever you go. Same food. Same menu. korea indonesia saudi arabia india Easier to…
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Retail and AWS Amazon operates differently. Retail is more product focused, AWS is service oriented. Below notes is focused on AWS Amazon As comparison to FB (Meta) AWS products are platform hence the heavily focus on operational excellence. Frugality is a popular concept. The story of how AWS came about started with the company just…
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Context: Calibrations is a place to discuss promotions and bonuses. Engineering Managers goes into various meetings to fight for their team members. As promotions and bonuses is budget based, these meetings are often longer to complete to agree based on some consensus decision taking on ranking certain employees. Employees are placed into buckets. Below expectations…
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