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Buffer Pool Memory Optimized Tables Available Memory Buffer Pool Memory Optimized Tables Buffer Pool Memory Optimized Tables Buffer Pool Memory.

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Presentation on theme: "Buffer Pool Memory Optimized Tables Available Memory Buffer Pool Memory Optimized Tables Buffer Pool Memory Optimized Tables Buffer Pool Memory."— Presentation transcript:

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5 Buffer Pool Memory Optimized Tables Available Memory Buffer Pool Memory Optimized Tables Buffer Pool Memory Optimized Tables Buffer Pool Memory Optimized Tables

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7 90, 150 Susan Bogota 50, ∞ JanePrague TimestampsNameChain ptrsCity Hash index on City Hash index on Name T250: lowest Active Transaction Timestamp 100, 200 JohnPrague 200, ∞ JohnBeijing f(John) f(Jane) f(Beijing) f(Prague) Select * from where name = ‘John’ Automatic Garbage Collection kicks in

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13 Data File Delta File 0100 TS (ins)RowIdTableId TS (ins)RowIdTableId TS (ins)RowIdTableId TS (ins)RowIdTS (del) TS (ins)RowIdTS (del) TS (ins)RowIdTS (del) Checkpoint File Pair Row pay load Transaction Timestamp Range Data file contains rows inserted within a given transaction range

14 Memory-optimized data Filegroup Files as of Time 600 Range 100-200Range 200-300Range 300-400 Range 400-500 Data file with rows generated in timestamp range IDs of Deleted Rows (height indicates % deleted) Merge 200-400 Deleted Files Files Under Merge Files as of Time 500 Memory-optimized data Filegroup Range 100-200Range 200-299Range 300-399 Range 400-500 Range 500-600 Range 200-400 Range 200-300 Range 300-400

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16 CFP StateBackup in RTM PRECREATEDEmpty File UNDER CONSTRUCTIONEmpty File ACTIVEOnly Used Bytes MERGE SOURCEOnly Used Bytes MERGE TARGETEmpty File REQUIRED FOR BACKUP/HAOnly Used Bytes IN TRANSITION TO TOMBSTONEEmpty File TOMBSTONEEmpty File

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23 www.microsoft.com/learning http://microsoft.com/msdn http://microsoft.com/technet http://channel9.msdn.com/Events/TechEd

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