Responding to an RDS MySQL IOPS Incident
How right-sizing memory reduced read IOPS and resolved a production incident in Buzzvil’s user service.
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Summer Kwak
Software Engineer
I’m a backend engineer at Buzzvil. I dream of using engineering to make the world a better place.
3 contributions
A Bug We Met Again
How Arabic locale number formatting broke a checksum—and why String.format needs an explicit locale for stable machine data.
An Android Developer’s First Steps into Backend Development
Hello, I'm Seohyun Kwak, an Android developer at Buzzvil. In this post, I want to share the trials and errors I experienced when I started backend development, along with the guida…