The JusDB Database Engineering Blog
Deep dives on PostgreSQL, MySQL, MongoDB and more — performance tuning, high availability, migrations and production war stories from our DBAs.
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How to Downgrade MongoDB from 7.0 to 6.0: A Step-by-Step Guide
Downgrading MongoDB requires careful planning — setting the Feature Compatibility Version before replacing binaries, handling replica set members in sequence, and verifying data integrity throughout.
MongoDB Indexing: A Complete Guide to Faster Queries
MongoDB's indexing system supports single-field, compound, multikey, text, geospatial, and partial indexes. Choosing the right index type and key order determines whether your queries use microseconds or seconds.
MongoDB Cluster-to-Cluster Sync: Simplifying Cross-Cluster Data Synchronization
MongoDB's mongosync utility enables continuous, real-time synchronization between two MongoDB clusters — simplifying live migrations, multi-cloud replication, and DR setups.
Maximize MongoDB Log Understanding with Hatchet: Log Analytical Arsenal
Hatchet transforms raw MongoDB JSON logs into actionable insights — surfacing slow operations, connection storms, and namespace hotspots that are impossible to spot in raw log files.
MongoDB Atlas Search: Full-Text Search on Your MongoDB Data
Build full-text search with MongoDB Atlas Search — analyzers, scoring, autocomplete, and relevance tuning
Securing Your MongoDB Cluster with TLS/SSL: A Complete Configuration Guide
Running MongoDB without TLS exposes your data to network interception and man-in-the-middle attacks. Here's how to configure TLS/SSL across your MongoDB replica set.
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