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Category: Notes

Notes/Organization/Writing

A short review on Zettlr (open source Zettelkasten app)

Posted on December 21, 2020 by Matt Chung

I serendipitously stumbled on another Zettelkasten desktop application called Zettlr. Perusing the online forum over at Zettelkasten.de, I had noticed that at l...

Advanced Operating Systems/Computer Science/Notes

Recovery management in Quicksilver – Notes and Summary

Posted on November 22, 2020 by Matt Chung

The original paper “Recovery management in quicksilver” introduces a transaction manager that’s responsible for managing servers and coordinat...

Advanced Operating Systems/Notes

Operating System Transactions – Summary and notes

Posted on November 16, 2020 by Matt Chung

This post is a cliff notes version I scrapped together after reading the paper Operating Systems Transactions. Although I strongly recommend you read the paper ...

Advanced Operating Systems/Algorithms/Data Structures/Notes

Lightweight recoverable virtual machine – Summary and Notes

Posted on November 15, 2020 by Matt Chung

Summary and main take away As system designers, we can make persistence into the virtual memory manager, offering persistence to application developers. However...

Advanced Operating Systems/Algorithms/Data Structures/Notes

Distributed File Systems – Summary and notes

Posted on November 12, 2020 by Matt Chung

This lesson introduces network file system (NFS) and presents the problems with it, bottlenecks including limited cache and expensive input/output (I/O) operati...

Advanced Operating Systems/Data Structures/Notes

Distributed Shared Memory (Part 2 of 2) Notes

Posted on November 1, 2020 by Matt Chung

An example Summary Key Words: Conditional variable, pthread_signal, pthread_wait in the concrete example (screenshot below), P1 instructions that update memory ...

Advanced Operating Systems/Notes

Distributed Shared Memory (Part 1 of 2) Notes

Posted on October 31, 2020 by Matt Chung

Introduction Summary Main question is this: can we make a cluster look like a shared memory machine Cluster as a parallel machine (sequential program) Summary O...

Advanced Operating Systems/Notes

Global memory systems (part 1 of 2) notes

Posted on October 26, 2020 by Matt Chung

Introduction Summary Lessons will be broken down into three modules: GMS (i.e. can we use peer memory for paging across LAN) and DSM (i.e. can we make the clust...

Advanced Operating Systems/Notes

Distributed Systems – Latency Limits (Notes)

Posted on October 20, 2020 by Matt Chung

Introduction Summary Lamport’s theories provided deterministic execution for non determinism exists due to vagaries of the network. Will discuss technique...

Advanced Operating Systems/Notes

Lamport’s Clocks (notes)

Posted on October 13, 2020 by Matt Chung

Introduction Summary Now that we talked about happened before events, we can talk about lamport clocks Lamport’s Logical Clock Summary A logical clock that each...

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Matt Chung
Matt Chung
Empathetic bridger of tech workers to their purpose, self, and community.

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