Meanwhile RAM cost continues to drop Moore’s Law on total CPU processing power holds but in parallel processing… CPU clock rate stalled… Because processors would melt… New CPU won’t run a short transaction much faster

SQL Server Integration Same manageability, administration & development experience Integrated queries & transactions Integrated HA and backup/restore Main-Memory Optimized Direct pointers to rows Indexes exist only in memory No buffer pool No write-ahead logging Stream-based storage Non-Blocking Execution Multi-version optimistic concurrency control, full ACID support Lock-free data structures No locks, latches or spinlocks, No I/O in transaction T-SQL Compiled to Native Machine Code T-SQL compiled to machine code leveraging VC compiler Procedure and its queries, becomes a C function Aggressive compile-time optimizations Architectural Pillars Results Hybrid engine and integrated experience In-memory cache speed with capabilities of a database Transactions execute to completion without blocking Queries & business logic run at native- code speed Principl es Performance- critical data fits in memory Conflicts are Rare Push decisions to compilation time Built-In

SQL Server 2014 In-Memory OLTP aka Hekaton

7x faster performance Enables real-time updates

Business challenge Online gaming company needed to support rapid growth by providing a faster, smoother gaming experience for more users, and speeding time to insights. Key benefits Scales to handle 250,000 player requests per second— up from 15,000 Reduced reporting time from 17 minutes to 3 seconds With in-memory OLTP & ColumnStore Before Gaming App Reporting Reports in 17 min 15,000 requests/sec Reports in 3 sec 250,000 requests/sec

24x boost 800% performanc e gains on the same HW in throughput on the same configuration 4x 40% cost performance

The Road Ahead: In Memory OLTP in SQL 2016

Single Offline Checkpoint Thread Del Tran2 (TS 450) Del Tran3 (TS 250) Del Tran1(TS150 ) Insert into Hekaton T1 Log in SQL Table Del Tran1 (TS150) Del Tran2 (TS 450) Del Tran3 (TS 250) Insert into Hekaton T1 SQL Transaction log disk SQL Transaction log Del Tran2 (TS 450) Del Tran3 (TS 250) Del Tran1(TS150 ) Insert into Hekaton T1 Log in SQL Table Del Tran1 (TS150) Del Tran2 (TS 450) Del Tran3 (TS 250) Insert into Hekaton T1 disk Offline Checkpoint Thread

Increasing Compatibility

ALTER support

Increasing Platform Abilities

In-memory OLTP In-memory ColumnStore Real-time fraud detection In-memory enhancements Operational analytics & enhanced performance Fraud detected 2-24 hrs SQL Server OLTP SQL Server data warehouse ETL