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Achieve peak performance and availability for your SQL Server and Azure SQL workloads with core engi

Talkat SQLBits 2024 · 2024-03-19..03-23· [databases]
links:none on file
slides:none on file

Covers concrete engine features and demos: metadata versioning (Azure private preview) lets snapshot reads continue while ALTER TABLE runs by using schema-creation/schema-access locks; optimized locking introduces transaction‑ID (T) locks and lock‑after‑qualification, cutting lock acquisitions from millions to under 10 and lock memory from ~900 MB to <10 MB in a 5M‑row bulk test; accelerated database recovery uses a per‑database persisted version store and a special log stream to make recovery essentially instantaneous (demo shows one DB recovered in ~3 seconds).

AI-written summary · about

  1. 0:00SQL Server performance features
  2. 1:13Metadata versioning scalability
  3. 16:30Optimized locking in SQL Server
  4. 25:51Instant recovery with ADR
  5. 39:39Column store index enhancements
  6. 42:33High availability and disaster recovery improvements
  7. 48:25Contained availability groups
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