DATA MANAGEMENT ON NON-VOLATILE MEMORY
DATA MANAGEMENT ON
NON-VOLATILE MEMORY
JOY ARULRAJ
Carnegie Mellon University
1
EVOLUTION OF MEMORY TECHNOLOGY
1960 1970 1980 1990 2000 2010 2020
DRAM
FLASH
MEMORY
NON-VOLATILE MEMORY
2
NON-VOLATILE MEMORY [NVM]
VOLATILE
NON-VOLATILE
DRAM PERFORMANCE
NVM
FAST
SSD
SLOW
DURABILITY
3
DEVICE CHARACTERISTICS
CHARACTERISTIC
DRAM
NVM
Device Latency
1x
10x
Byte-Addressability
Durability
High Capacity
Cost/GB
100x
10x
SSD 1000x
1x
4
50 YEARS OF DATABASE SYSTEMS RESEARCH
1 SEPARATE MEMORY & STORAGE
DRAM
2 COMPUTE/STORAGE BALANCE
CPU
SSD
SSD
3 RANDOM VS. SEQUENTIAL
SSD
5
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