Mongo8 articles

Table of Contents Why use a multi-cloud strategy?Setting up a multi-cloud deployment in MongoDB AtlasSummary In the technological world, the cloud has become more prevalent. It brings many benefits, including flexibility, scalability, faster innovation, and collaboration. Plus, when it comes …

Table of Contents 1. MongoDB’s Query ProfilerWhat we’ll needWhat is MongoDB’s Profiler?MongoDB Atlas Query Profiler in the Atlas UIA few important considerationsMongoDB Database ProfilerLet’s make something slow on purpose2. Understanding execution plans with explain()What we’ll needWhat is explain()?Verbosity modesLet’s use …

Table of Contents Lost updatesDirty readsNon-repeatable readsPhantom readsHow to avoid these issuesIsolationRead concernWrite concern In a multi-threaded, distributed environment like MongoDB, when clients execute queries concurrently, operations interleave with one another if they are not isolated, whether those operations involve …

Table of Contents Aggregation pipelineAggregation stages$Match$Project$Unwind$Group$Sort$AddFieldsCombining stagesWrapping up Finding exactly the data we need isn’t always a simple task. You’ve probably faced situations where you needed to filter information, group it, and even perform calculations to produce a final result. …

Table of Contents What is MongoDB Atlas Search, anyway?Local development and testing with MongoDB Atlas SearchWhat’s TestContainers?Let’s write some code!Simple CRUD data access and unit testsMongoDB Atlas Search with seed data and index waitAdvanced seed data loading: MongoDB Database ToolsLoading …

Table of Contents What is BSON?Why not just JSON?BSON vs. JSONCommon BSON data types (and their Java equivalents)BSON and MongoDB internalsSetup and project structureBSON data types and document creationNested fields and arraysWhy use nested structures?Raw BSON manipulationQuerying with BSONAggregation with …

Table of Contents What we are buildingPrerequisitesCreate our MongoDB databaseCreate a Vector Search indexCreate a Spring applicationSetting up configurationMongoDB configurationSpring AI configurationKafka configurationGenerate our synthetic customer profilesThe customer modelCustomer seedingHow the sample customers are structuredThe transaction modelGenerating random transactionsHow do …