Min Zhou @minzhou X Profile

Min Zhou

@minzhou

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647

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software engineer, husband, father of 2 boys

Sunnyvale, CA

Joined April 2009

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Min Zhou

@minzhou

4 years

perf probe --add 'ondemand_readahead parent=+0(+40(+24(+24(%dx)))):string filename=+0(+40(+24(%dx))):string offset=%r8:u64 req_size=%r9:u64'.

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Min Zhou

@minzhou

4 years

openkruise.io

The concept of controller in Kubernete is one of the most important reasons that make it successful.

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Min Zhou

@minzhou

4 years

Advanced Kubernetes Operators Development by Stefanie Lai in @startitup_

link.medium.com

How to build a production-standard Operator based on Kubebuilder. Tips and pitfalls

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Min Zhou

@minzhou

4 years

Kubernetes Operator for Beginners — What, Why, How by Stefanie Lai in @startitup_

link.medium.com

Explain the basic knowledge and means, build an Operator from scratch using Kubebuilder

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Min Zhou

@minzhou

4 years

Advanced Kubernetes Operator Development with Finalizer, Informer, and Webhook by Stefanie Lai

link.medium.com

In the previous articles, I introduced Kubernetes Operator, wrote a basic Operator using Kubebuilder, and improved it afterward.

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Min Zhou

@minzhou

5 years

13年前?.

albertlee

@hanzhupeng

5 years

今天给团队做Erlang/Elixir 的培训讲座，翻出了这张照片。青葱岁月啊。

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Min Zhou

@minzhou

5 years

Might be a good vhost-user-net candidate for #firecracker or #rust-vmm : . None of the vmms support vhost-user-net yet.

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Min Zhou

@minzhou

5 years

ha, vpp invents its own wheel for CLB.

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Min Zhou

@minzhou

5 years

Envoy + F-Stack, open source answer for AWS ALB. Both of them are DPDK empowered. VPP should be better than F-stack for the purpose.

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Min Zhou

@minzhou

6 years

#spdk bdev_split_create to split one NVMe device to multiple, NMVe-oF to create cloud storage pool with much lower latency and higher throughput than EBS.

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Min Zhou

@minzhou

6 years

A infamous feature of the NVMe protocol is namespaces. Namespaces allow u to carve an SSD into logically separate smaller drives, like partitions. But, unlike partitions, namespaces each have their own submission and completion queues allowing for highly parallelized operations.

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Min Zhou

@minzhou

7 years

page_fault (precisely handle_mm_fault) counts and latency in nsecs histogram via ply/ebpf.

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Min Zhou

@minzhou

7 years

how [ku]probes parse arg ? kernel/trace/trace_probe.c: parse_probe_arg().

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Min Zhou

@minzhou

7 years

another way to trace vfs_read(filename) $ sudo /usr/local/sbin/ply -c 'kprobe:vfs_read{ printf("%v: %v\n", comm(), mem(mem(mem(arg(0)+24, "p")+40, "p"), "s")); }'.

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Min Zhou

@minzhou

7 years

Perf to trace linux readahead: sudo perf probe --add 'ondemand_readahead greatgrandparent=+0(+40(+24(+24(+24(+24(%dx)))))):string filename=+0(+40(+24(%dx))):string offset=%r8:x64 req_size=%r9:x64'.

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Min Zhou

@minzhou

8 years

eBPF Trace from Kernel to Userspace #ebpf #kernel via @SlideShare.

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Min Zhou

@minzhou

9 years

Never give up w/o a fight!.

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Min Zhou

@minzhou

10 years

RT @wensong: Alibaba Shows Open Source Support by Joining The Linux Foundation and Xen Advisory Board http://t.co/ghE65sjua8.

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Min Zhou

@minzhou

10 years

RT @brendangregg: Added flame graph updates for July 2015 http://t.co/wfNVpMoh9p.

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Min Zhou

@minzhou

10 years

Flame Graph made by perfj. Green is Java, yellow is JVM, and red is system. @normanmaurer http://t.co/MOA1q5yf2n.

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