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The Percona Database Performance Blog

Technical guides, deep dives, and perspectives across MySQL, PostgreSQL, MongoDB, Valkey, Redis, and more.

Blog
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June 4, 2026
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Adnan Supic
Migrating from MongoDB 6.0 to 8.0: How Percona ClusterSync Handles Cross-Version Replication
Percona ClusterSync for MongoDB (PCSM) replicates data between MongoDB clusters to keep migrations with near-zero downtime. Prior to version 0.9.0 it ...
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