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Notes: Designing Data-Intensive Applications

Notes: Designing Data-Intensive Applications. GitHub Gist: instantly share code, notes, and snippets. ....

Martin Kleppmann , Network Dbs , Designing Data Intensive , Data Models , Online Transaction Processing , Online Analytics Processing , Structured Merge Trees , Sorted String Tables , Bloom Filters , Levenshtien Automaton , Clustered Index , Cheap File , Covering Index , Concatenated Index , Data Cubes , Oriented Architecture , Write Wins , Pending Posts , Read Committed , Snapshot Isolation , Multi Version Concurrency Control , Serializable Snapshot Isolation , Trouble With Distributed , Vector Clocks , Order Broadcast , Asynchronous Model ,

Jepsen: RavenDB 6.0.2

Jepsen: RavenDB 6.0.2
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Taber Bain , Kelly Shortridge , Silvia Botros , Nathan Taylor , Leif Walsh , Zach Tellman , Riak Cassandra , Ben Linsay , C Scott Andreas , Ayende Rahien , Irene Kannyo , Oren Eini , Read Committed , Strong Serializability , Snapshot Isolation , Last Write Wins , Cluster Transactions , Debian Bookworm , Single Node Transactions , Snapshot Isolated , Optimistic Concurrency , Read Atomic , Update Atomic , Parallel Snapshot Isolation , Repeatable Read , Cluster Wide Transactions ,

CockroachDB 23.2 Enhances Enterprise Architectures with Improved Postgres Compatibility and Built-in Resilience

CockroachDB 23.2 Enhances Enterprise Architectures with Improved Postgres Compatibility and Built-in Resilience
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Ramke Ramakrishnan , Henry Cook , Xingyu Gu , Aaron Rosenbaum , Nate Stewart , Rick Greenwald , Adam Ronthal , Gartner Inc , Product Office At Cockroach Labs , Live Migration Service , Landmark Group , Stored Procedures , Migration Service , Physical Cluster Replication , Read Committed , Annual Outage Analysis , Amazon Aurora , Cluster Replication , Recovery Point Objective , Recovery Time Objective , Cockroach Labs , Magic Quadrant , Cloud Database Management Systems , Chief Product Office , Rock Digital ,

Does Your Test Suite Account For Weak Transaction Isolation?

Does Your Test Suite Account For Weak Transaction Isolation?
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Weak Transaction , Read Committed , Repeatable Read , Read Uncommitted ,

PostgreSQL Internals: 3 Things to Know About UPDATE Statements

I recently finished reading PostgreSQL 14 Internals by Egor Rogov. It is one of the great books that teach applied computer science without watering down the difficult parts.
One particularly interesting topic is PostgreSQL’s execution of UPDATE statements. Updates in relational databases are inherently complex. They can be affected by conflicts, anomalies, and deadlocks. However, some behavior is specific to PostgreSQL. This can lead to surprises.
1. Write Amplification PostgreSQL generally does not update rows in-place. ....

Egor Rogov , Read Committed , Repeatable Read , Wait Queues ,