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Khang Nguyen
1,833 followers
1,833 followers
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Exploding kittens, I mean, databases.
There was a time when our database storage depleted like no tomorrow. It went through 80GB of disk space in less than 48 hours. Before any investigation was conducted, we did the obvious, gave the machine more disk space. The operation is painless on RDS. T...
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A non-DBA guide on AWS Elasticsearch Service
Elasticsearch serves in my production system as the secondary storage. Transactional data is ultimately stored in RDS Postgres, but Elasticsearch is employed for its superior query features and performance. And because I have a long-lived growing index, I h...
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A non-DBA guide on AWS ElasticCache Redis
I use Redis at work as either a cache engine or a shared memory between instances of the same service. It has been a great addition to the tech stack, offering simple ways to solve performance issues, through a well put together interface. While Redis deliv...
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Parcel Perform - A day on timelapse
It's festive season, and our traffic grew 50x compared to a year ago. Internally we also learned a lot and grew a thicker skin. I thought it would be nice to time lapse a normal Friday at office, so we have something to look back next year.
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A non-DBA guide on upgrading your AWS RDS
I use AWS RDS at work for my production database. I understand that it is not infinitely scalable nor provides regional replication out of the box in case my datacenter submerges 3 meters under the sea because global warming is real, people. But in overall,...
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Can Kafka guarantee message ordering?
If you never heard of Kafka, this is not for you. The short paragraph won't repeat the concept of a messaging system and its components, internal as well as external. Kafka has been proven to be a versatile tool for different use cases. In some of those, me...
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Stories of the underdogs II
The internet as we know today started in the late 1980s. By mid 1990s, it had already had a revolutionary impact on culture, commerce, and technology. Around that time Vietnam had its first commercial internet connection. The tipping point was 2004 when int...
Stories of the underdogs II
Stories of the underdogs II
blog.khangnguyen.me
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Bye Chung Cư Nguyễn Huệ. Bye Saigon.
Bạn phải đọc cái tin này, thì mới biết tôi đang lầm bầm gì. Nên đọc đi, tôi chờ. Lười lười đọc tiêu đề được rồi. http://www.yan.vn/thien-duong-ca-phe-chung-cu-42-nguyen-hue-xoa-so-gay-nhieu-tiec-nuoi-121754.html Giải tán mấy quán này, chắc chung cư Nguyễn H...
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Don't work after 7PM
I have had crunch times where my day basically consists of only one thing: work, randomly interrupted by periods eyes close, mouth drools, and mind goes blank, all by themselves. And those times can be healthy, like a couple of days before a release give me...
Don't work after 7PM
Don't work after 7PM
blog.khangnguyen.me
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[Agile Games] Jenga Builders
Summary The core idea of this game is to have teams building wooden structures with jenga sticks. The game is played by rounds, where each round is supposed to deliver an Agile lesson. In the context of this post, attendees can expect to learn about the dar...
[Agile Games] Jenga Builders
[Agile Games] Jenga Builders
blog.khangnguyen.me
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