Debugging TCP socket leak in a Kubernetes cluster
Parts of Hasura's infrastructure runs on Google Kubernetes Engine (GKE). This includes around microservices which power the Hasura website among other internal services. Last month, we started noticing delayed API responses and connection refused errors. The errors were more significant if the response body size is larger. For e.g. downloading a file became extremely slow, as slow as ~5kbps, and s
What’s all that memory for?
Photo by Sandrachile . on UnsplashIf you actually want to use the memory on your computer with Go — really use it, with gigabytes of it allocated — then you may pay a big penalty for the Go garbage collector (GC). But there are things you can do about it. The Go GC checks what parts of the memory you have allocated are still in use. It does this by looking at all the memory for references to other
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AWS re:Invent 2016: Streaming ETL for RDS and DynamoDB (DAT315)
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