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How do we know if Kubelet leaks Inotify watchers
Kubelet as the node agent of Kubernetes OSS, always needs to monitor paths. Using Inotify to do so, Kubelet exposes to possibility of leaking of Inotify watchers. In recent, I observed a case where the Kubelet was hung for enormous Inotify usage. This Post briefly discussed how I debug the process and locate the problem.…
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Practical debugging methods for Kubelet
Kubelet, a vital component in Kubernetes, runs on each node in your cluster. It acts as the field manager, receiving instructions from the Kubernetes API server and ensuring containerized applications run smoothly. Kubelet is responsible for downloading container images, pulling secrets, and launching pods – the basic units containing your application containers. It also monitors…
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EDDL: How do we train neural networks on limited edge devices – PART 2
In the last post, part1, our idea of distributed learning on edge environment was generally addressed.I introduced the reason why edge distributed learning is needed and what improvements it can achieve.In this post, I will talk about our motivation study and how our framework works.
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EDDL: How do we train neural networks on limited edge devices – PART 1
This post introduces our previous milestone in the project named “Edge Trainer”, as the paper “EDDL: A Distributed Deep Learning System for Resource-limited Edge Computing Environment.” was published. As the first part of the introductions, I focus only on the motivation and summary of our works. More details on design and implementation can be found…
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Visualize as Word Cloud for Chinese keywords
Data visualization is amazing. For example, by looking at the following word cloud figure full of Chinese keywords, you can easily learn what happened in last week’s trend news. Let’s generate a word cloud like this. Don’t understand the language is not a big deal. If your written language is based on the Latin alphabet(or…
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Some of my previews experiment works: 2016
This blog contains only some basic record of my works. For some details, I will write a unique blog just for some specific topics.