DB Latency Using DRAM + PMem in App Direct & Memory Modes

How does the latency of DDR4 DRAM compare to Intel Optane Persistent Memory when used in both App Direct and Memory Modes for In-Memory database access? This talk is about the latency benchmarks that I performed by adding gettimeofday() calls around critical DB kernel operations. This talk covers the technology, cache hit ratios, lots of histograms and lessons learned.

20 Minutes
Doug Hood

Doug Hood, Consulting Member of Technical Staff at Oracle

Obsessed with Database performance and availability. Developer and product manager for Oracle TimesTen In-Memory Database.

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