A short review on Zettlr (open source Zettelkasten app)
I serendipitously stumbled on another Zettelkasten desktop application called Zettlr. Perusing the online forum over at Zettelkasten.de, I had noticed that at l...
Category: Notes
Recovery management in Quicksilver – Notes and Summary
The original paper “Recovery management in quicksilver” introduces a transaction manager that’s responsible for managing servers and coordinat...
Operating System Transactions – Summary and notes
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 ...
Lightweight recoverable virtual machine – Summary and Notes
Summary and main take away As system designers, we can make persistence into the virtual memory manager, offering persistence to application developers. However...
Distributed File Systems – Summary and notes
This lesson introduces network file system (NFS) and presents the problems with it, bottlenecks including limited cache and expensive input/output (I/O) operati...
Distributed Shared Memory (Part 2 of 2) Notes
An example Summary Key Words: Conditional variable, pthread_signal, pthread_wait in the concrete example (screenshot below), P1 instructions that update memory ...
Distributed Shared Memory (Part 1 of 2) Notes
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...
Global memory systems (part 1 of 2) notes
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...
Distributed Systems – Latency Limits (Notes)
Introduction Summary Lamport’s theories provided deterministic execution for non determinism exists due to vagaries of the network. Will discuss technique...
Lamport’s Clocks (notes)
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...