Sahil Khaire·2d agoMongoDB Indexes: A Practical Guide to Faster QueriesWhy your queries are slow, and how the right index fixes them
InJIN System ArchitectbyJIN·3d agoThe Database Google Gave Away, and Then Took BackBigtable, Dynamo and Spanner, and the long argument about what to sacrifice when scale, speed and correctness collide
System Design with Sage·3d agoHow key-value stores behave under real loadYour key-value store is probably fine at 5,000 ops/sec in a benchmark. That tells me almost nothing about how it will behave at 5,000…
Case·4d agoMongoDB SORT_MERGE: How $in + sort Queries Avoid a Blocking SortWhy MongoDB reads only a few keys where MySQL scans and filesorts everything — traced through the r4.4 source code
Khushi Verma·5d agoSQL vs NoSQL: It’s Really About the Guarantees You NeedChoosing a database is really choosing which guarantees your data needs. A beginner-friendly guide to SQL, NoSQL and ACID.
InGoogle Cloud - CommunitybyTheo Bodmer·5d agoHierarchical data in FirestoreLet every document carry its path
Amuy Thida·6d agoIs NoSQL Dead? What Really Happened to the Database Everyone Was Obsessed WithWhy MongoDB-style databases dominated the 2010s, why they went quiet, and how to choose between NoSQL and Postgres today.
Andrei Sergeev·Nov 5Troubleshoot MongoDB Replica Sets Easily with IvoryPrimary, secondaries, heartbeats and lag of the whole replica set in one screen — plus a step-down and a config editor when you need them
