elevator-effect-SDcard
Disk scheduler effect on SD-card performance


Deadline: 

	Processor: Unknown @ 1.50GHz (4 Cores), Memory: 2048MB, Disk: 16GB NCard + 32GB 00000

	OS: Ubuntu 16.04, Kernel: 3.14.65-61 (aarch64), Compiler: GCC 5.3.1 20160413 + LLVM 3.8.0, File-System: ext4, Screen Resolution: 1280x1440

noop: 

	Processor: Unknown @ 1.50GHz (4 Cores), Memory: 2048MB, Disk: 16GB NCard + 32GB 00000

	OS: Ubuntu 16.04, Kernel: 3.14.65-61 (aarch64), Compiler: GCC 5.3.1 20160413 + LLVM 3.8.0, File-System: ext4, Screen Resolution: 1280x1440

CFQ: 

	Processor: Unknown @ 1.50GHz (4 Cores), Memory: 2048MB, Disk: 16GB NCard + 32GB 00000

	OS: Ubuntu 16.04, Kernel: 3.14.65-61 (aarch64), Compiler: GCC 5.3.1 20160413 + LLVM 3.8.0, File-System: ext4, Screen Resolution: 1280x1440


PostgreSQL pgbench 9.4.3
Scaling: Buffer Test - Test: Normal Load - Mode: Read Only
TPS > Higher Is Better
Deadline . 6604.47 |==========================================================
noop ..... 6712.55 |===========================================================
CFQ ...... 6673.14 |===========================================================


PostgreSQL pgbench 9.4.3
Scaling: Buffer Test - Test: Normal Load - Mode: Read Write
TPS > Higher Is Better
Deadline . 676.73 |===========================================================
noop ..... 680.57 |===========================================================
CFQ ...... 690.95 |============================================================