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Beyond Locks: Mastering Zero-Downtime Schema Migrations in Distributed Environments
잠금(Lock) 없는 스키마 변경: 분산 데이터베이스에서 구현하는 Zero Downtime 마이그레이션
Why it matters
This analysis shifts the focus from traditional single-node locking to multi-phase propagation protocols used in distributed systems like Spanner and CockroachDB. Mastering these lease-based versioning models is essential for engineers aiming to achieve five-nines availability during complex database updates.
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Online DDLDistributed DatabasesZero DowntimeSchema MigrationPostgreSQLGoogle Spanner