LogDevice · Distributed storage for sequential data
Distributed storage for sequential dataLogDevice is a scalable distributed log storage system that offers durability, high availability, and total order of records under failures. It is designed for a variety of workloads including event streaming, replication pipelines, transaction logs, and deferred work journals.
IPFS is the Distributed Web
Discover What's Out There with IPFS IPFS is an open system to manage data without a central server A Universe of Uses IPFS's versatility shines across different industries – making it the multi-purpose tool for the decentralized age. Develop offline-native productivity toolsAnytype uses the content addressing on IPFS to empower users to build personal knowledge webs that can be shared with others
Notes on Distributed Systems for Young Bloods – Something Similar
I’ve been thinking about the lessons distributed systems engineers learn on the job. A great deal of our instruction is through scars made by mistakes made in production traffic. These scars are useful reminders, sure, but it’d be better to have more engineers with the full count of their fingers. New systems engineers will find the Fallacies of Distributed Computing and the CAP theorem as part of
ツイートID生成とツイッターリアルタイム検索システムの話
8. ツイートID生成システムSnowflakeとは l ユニークなIDを生成するネットワークサービス l ツイッターのツイートID(ステータスID)の割り当てに使われている l ツイッター社がOSSで公開中 (*) l 特徴 l 64 bitのIDを生成 l ざっくり時刻順 l 速い l 10000 ID/秒 のスピードでIDを生成できる(1プロセスあたり) l レスポンス 2 ms (+ネットワークのレイテンシ) l スケールする l 複数のマシン・プロセスで協調動作しない l 並べただけスケールする(はず) (*) https://github.com/twitter/snowflake 8 9. Snowflakeが開発されるまで l ツイートの流速増加とツイッターのシステム移行 l 5億ツイート/日(約6000ツイート/秒) (*1) l 2012年1
Cirrus Minor
Friendly Lists and Their Buddies, the Lambdas Tania Bogatsch and Maia de Graaf2024-08-08 Nested data types, such as lists and structs, are widespread in analytics. Several popular formats, such as Parquet and JSON, support nested types. Traditionally, working with nested types requires normalizing steps before any analysis. Then, to return nested results, systems need to (re-)aggregate their data.
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https://lamport.azurewebsites.net/tla/formal-methods-amazon.pdf?from=https://research.microsoft.com/en-us/um/people/lamport/tla/formal-methods-amazon.pdf&type=path
ipfs.pics
Distributed Software Systems (CS 707)
http://www.cogs.susx.ac.uk/courses/dist-sys/dist-sys.html
