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[Part 5] Production Database Migration or Modernization: A Comprehensive Planning Guide
In this fifth and the final post in our guide, we will cover a sample database migration project plan and will discuss the key lessons learned based on our extensive experiences with 10GB to 100TB+ migrations. We highly recommend reading the previous posts in the series: Part 1 - Migration Readiness and Key Factors Influencing Timeline and Risk Part 2 - Downtime Strategy Options and Migration Tools Part 3 - Migration Planning and Post-Migration Validation Strategy Part 4 - Co

Alexander Komyagin
Feb 187 min read
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[Part 4] Production Database Migration or Modernization: A Comprehensive Planning Guide
In the fourth part of the series, we explore factors that make migrations difficult.

Alexander Komyagin
Feb 83 min read
![[Part 3] Production Database Migration or Modernization: A Comprehensive Planning Guide](https://static.wixstatic.com/media/c2da01_35a7086c0c724316aaf9705cfdd75297~mv2.png/v1/fill/w_333,h_250,fp_0.50_0.50,q_35,blur_30,enc_avif,quality_auto/c2da01_35a7086c0c724316aaf9705cfdd75297~mv2.webp)
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[Part 3] Production Database Migration or Modernization: A Comprehensive Planning Guide
In this third part of our multi-post guide we will discuss migration planning and post-migration validation strategy. It might even be the most important post in the series! If you haven't read the first two parts, read them here: Part 1 - Migration Readiness and Key Factors Influencing Timeline and Risk Part 2 - Downtime Strategy Options and Migration Tools "Plan for what is difficult while it is easy, do what is great while it is small", Sun Tzu 5. Migration Plan and Timeli

Alexander Komyagin
Feb 45 min read
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[Part 2] Production Database Migration or Modernization: A Comprehensive Planning Guide
Explore strategies for minimizing downtime and how to choose the best migration tool or approach.

Alexander Komyagin
Jan 305 min read


Production Database Migration or Modernization: A Comprehensive Planning Guide
Learn about migration requirements and assessment, and the key factors influencing migration timeline and risk.

Alexander Komyagin
Jan 254 min read


Cost-effective vector embeddings storage with AWS S3 Vectors
Vector pipeline (courtesy of Vercel ) Ever since vector stores and databases took the database market by storm in 2023-24, we ended up with a plethora of specialized vector databases such as Pinecone, Weaviate, Milvus, Qdrant. Many of OLTP databases quickly jumped on the train and added support for vector indexes - notably MongoDB and PostgreSQL - but the actual embeddings are still stored along with other operational data, competing for CPU, RAM and storage resources. Since

Alexander Komyagin
Jan 142 min read


Announcing DocumentDB support: an Open Source MongoDB compatible Database
Announcing Azure DocumentDB support for seamless database replication and migration from MongoDB and other sources.

Alexander Komyagin
Dec 15, 20252 min read


Introducing S3 Support in dsync: Lightning-Fast Direct Transfer
We're excited to announce that dsync now supports Amazon S3 as both a source and destination. This opens up powerful new possibilities for data migration workflows. What This Means for You With S3 support, you can now export data directly from any supported connector - including DynamoDB, Azure Cosmos DB, MongoDB, and PostgreSQL - straight to S3, or import it back just as easily. The process is: Direct : No intermediate storage required Fast : Fully parallelized operations S

Alexander Komyagin
Dec 9, 20252 min read


Accelerating Migrations to Cosmos DB NoSQL: White Paper
For users wanting to explore Cosmos DB or migrate their production workloads from DynamoDB or other databases, Dsync is a perfect solution that makes the process seamless.

Alexander Komyagin
Nov 7, 20251 min read


Migrate RDBMS to MongoDB
We’re excited to announce the newest addition to our connector family: the “SQL batch” connector. Dsync with the SQL batch connector makes RDBMS migration to NoSQL significantly easier, while upholding Dsync’s standards of consistency and reliability at scale. By leveraging our Migration AI agent, it streamlines data transformation and the migration process. The SQL batch connector is now available in Private Preview . Contact us to try it out. Dsync sets a new standard for

Alexander Komyagin
Oct 28, 20253 min read


Dsync Now Available on Microsoft Azure Marketplace
We’re thrilled to announce that Dsync is now available in the Microsoft Azure Marketplace , making it easier than ever for Azure customers to deploy, manage, and scale their data migrations and replications. Dsync helps enterprises eliminate the complexity and risk of database migrations, offering a secure, high-performance solution that seamlessly moves production workloads between NoSQL and SQL databases - including to Azure Cosmos DB . With built-in resiliency, resumabil

Alexander Komyagin
Oct 17, 20251 min read


100TB HBase to MongoDB in Under 48 Hours: Building Support for Large-Scale Online Production Migration
Technical foundations for large-scale online database migration from HBase to MongoDB

Alexander Komyagin
Sep 9, 20254 min read


Database Migrations. Done Right
We recently visited Microsoft Reactor to talk about database migration paths, common pain points and best practices. Our CEO, Alex,...

Alexander Komyagin
Jun 11, 20251 min read


Migrating MongoDB Data to FerretDB with dsync
This is a slightly modified version of the article on FerretDB's blog . FerretDB is an open-source alternative and a drop-in replacement...

Alexander Komyagin
Apr 18, 20252 min read


MongoDB + Weaviate = ♥
In today's data-driven world, implementing advanced search functionality can give your business a significant competitive advantage....

Alexander Komyagin
Mar 17, 20252 min read


Migrate from Cosmos DB RU for MongoDB: vCore or Atlas?
In today's cloud-native world, choosing the right database infrastructure is critical for application performance, cost management, and...

Alexander Komyagin
Feb 28, 20254 min read


Online migration from DynamoDB to CosmosDB NoSQL
We're excited to announce the public preview of DynamoDB and Cosmos DB NoSQL support in dsync , a powerful tool that revolutionizes...

Alexander Komyagin
Feb 17, 20252 min read


Online vs. Offline Database Migrations: Which Path is Right for You?
Guide for choosing between online and offline database migration options.

Alexander Komyagin
Dec 22, 20245 min read


Benchmarking Data Migration Tools
This is a slightly modified version of the blog post that our intern, Grace, wrote recently. The original blog post can be found here ....

Alexander Komyagin
Nov 22, 20246 min read


Navigating NoSQL Databases: MongoDB Atlas vs Cosmos DB (RUs vs vCore) - A Comparative Guide
Introduction to MongoDB Atlas vs Cosmos DB In the realm of NoSQL databases, MongoDB and Azure Cosmos DB are two powerhouse solutions...

Alexander Komyagin
Oct 20, 20244 min read
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