sbox
Intel Atom C2750 testing with a Supermicro A1SAM-2750F v1.02 and ASPEED ASPEED Family on Ubuntu 16.04 via the Phoronix Test Suite.


raidz2_default_opts: 

	Processor: Intel Atom C2750 @ 2.40GHz (8 Cores), Motherboard: Supermicro A1SAM-2750F v1.02, Chipset: Intel Atom C2000 SoC Transaction Router, Memory: 32768MB, Disk: 250GB Samsung SSD 850 + 250GB Samsung SSD 840 + 5 x 2000GB Seagate ST32000645SS, Graphics: ASPEED ASPEED Family, Network: Intel Connection I354 + Mellanox MT27500 Family

	OS: Ubuntu 16.04, Kernel: 4.4.0-97-generic (x86_64), Compiler: GCC 5.4.0 20160609, File-System: zfs, Screen Resolution: 1024x768

z2_dva_txg_4s_16_async_read_txg_64: 

	Processor: Intel Atom C2750 @ 2.40GHz (8 Cores), Motherboard: Supermicro A1SAM-2750F v1.02, Chipset: Intel Atom C2000 SoC Transaction Router, Memory: 32768MB, Disk: 250GB Samsung SSD 850 + 250GB Samsung SSD 840 + 5 x 2000GB Seagate ST32000645SS, Graphics: ASPEED ASPEED Family, Network: Intel Connection I354 + Mellanox MT27500 Family

	OS: Ubuntu 16.04, Kernel: 4.4.0-97-generic (x86_64), Compiler: GCC 5.4.0 20160609, File-System: zfs, Screen Resolution: 1024x768

z2_dva_txg_4s_32_async_read_txg_512: 

	Processor: Intel Atom C2750 @ 2.40GHz (8 Cores), Motherboard: Supermicro A1SAM-2750F v1.02, Chipset: Intel Atom C2000 SoC Transaction Router, Memory: 32768MB, Disk: 250GB Samsung SSD 850 + 250GB Samsung SSD 840 + 5 x 2000GB Seagate ST32000645SS, Graphics: ASPEED ASPEED Family, Network: Intel Connection I354 + Mellanox MT27500 Family

	OS: Ubuntu 16.04, Kernel: 4.4.0-97-generic (x86_64), Compiler: GCC 5.4.0 20160609, File-System: zfs, Screen Resolution: 1024x768

z2_default_test2: 

	Processor: Intel Atom C2750 @ 2.40GHz (8 Cores), Motherboard: Supermicro A1SAM-2750F v1.02, Chipset: Intel Atom C2000 SoC Transaction Router, Memory: 32768MB, Disk: 250GB Samsung SSD 850 + 250GB Samsung SSD 840 + 5 x 2000GB Seagate ST32000645SS, Graphics: ASPEED ASPEED Family, Network: Intel Connection I354 + Mellanox MT27500 Family

	OS: Ubuntu 16.04, Kernel: 4.4.0-97-generic (x86_64), Compiler: GCC 5.4.0 20160609, File-System: zfs, Screen Resolution: 1024x768

z2_cpu_set_2Ghz_min_defaults: 

	Processor: Intel Atom C2750 @ 2.40GHz (8 Cores), Motherboard: Supermicro A1SAM-2750F v1.02, Chipset: Intel Atom C2000 SoC Transaction Router, Memory: 32768MB, Disk: 250GB Samsung SSD 850 + 250GB Samsung SSD 840 + 5 x 2000GB Seagate ST32000645SS, Graphics: ASPEED ASPEED Family, Network: Intel Connection I354 + Mellanox MT27500 Family

	OS: Ubuntu 16.04, Kernel: 4.4.0-97-generic (x86_64), Compiler: GCC 5.4.0 20160609, File-System: zfs, Screen Resolution: 1024x768

z2_2.4_Ghz_TIMEOUT_10SECs: 

	Processor: Intel Atom C2750 @ 2.40GHz (8 Cores), Motherboard: Supermicro A1SAM-2750F v1.02, Chipset: Intel Atom C2000 SoC Transaction Router, Memory: 32768MB, Disk: 250GB Samsung SSD 850 + 250GB Samsung SSD 840 + 5 x 2000GB Seagate ST32000645SS, Graphics: ASPEED ASPEED Family, Network: Intel Connection I354 + Mellanox MT27500 Family

	OS: Ubuntu 16.04, Kernel: 4.4.0-97-generic (x86_64), Compiler: GCC 5.4.0 20160609, File-System: zfs, Screen Resolution: 1024x768

z2_real_defaults_except_mem_l2_arc_max_noprefetch: 

	Processor: Intel Atom C2750 @ 2.40GHz (8 Cores), Motherboard: Supermicro A1SAM-2750F v1.02, Chipset: Intel Atom C2000 SoC Transaction Router, Memory: 32768MB, Disk: 250GB Samsung SSD 850 + 250GB Samsung SSD 840 + 5 x 2000GB Seagate ST32000645SS, Graphics: ASPEED ASPEED Family, Network: Intel Connection I354 + Mellanox MT27500 Family

	OS: Ubuntu 16.04, Kernel: 4.4.0-97-generic (x86_64), Compiler: GCC 5.4.0 20160609, File-System: zfs, Screen Resolution: 1024x768

z2_real_def_except_mem_nr_requests=1: 

	Processor: Intel Atom C2750 @ 2.40GHz (8 Cores), Motherboard: Supermicro A1SAM-2750F v1.02, Chipset: Intel Atom C2000 SoC Transaction Router, Memory: 32768MB, Disk: 250GB Samsung SSD 850 + 250GB Samsung SSD 840 + 5 x 2000GB Seagate ST32000645SS, Graphics: ASPEED ASPEED Family, Network: Intel Connection I354 + Mellanox MT27500 Family

	OS: Ubuntu 16.04, Kernel: 4.4.0-97-generic (x86_64), Compiler: GCC 5.4.0 20160609, File-System: zfs, Screen Resolution: 1024x768

z2_real_def_nr_requests=1024: 

	Processor: Intel Atom C2750 @ 2.40GHz (8 Cores), Motherboard: Supermicro A1SAM-2750F v1.02, Chipset: Intel Atom C2000 SoC Transaction Router, Memory: 32768MB, Disk: 250GB Samsung SSD 850 + 250GB Samsung SSD 840 + 5 x 2000GB Seagate ST32000645SS, Graphics: ASPEED ASPEED Family, Network: Intel Connection I354 + Mellanox MT27500 Family

	OS: Ubuntu 16.04, Kernel: 4.4.0-97-generic (x86_64), Compiler: GCC 5.4.0 20160609, File-System: zfs, Screen Resolution: 1024x768


IOzone 3.465
Record Size: 1MB - File Size: 2GB - Disk Test: Read Performance
MB/s > Higher Is Better
raidz2_default_opts ............................... 1397.81 |==================
z2_dva_txg_4s_16_async_read_txg_64 ................ 1223.73 |================
z2_dva_txg_4s_32_async_read_txg_512 ............... 1239.64 |================
z2_default_test2 .................................. 1231.91 |================
z2_cpu_set_2Ghz_min_defaults ...................... 1243.94 |================
z2_real_defaults_except_mem_l2_arc_max_noprefetch . 1327.41 |=================
z2_real_def_except_mem_nr_requests=1 .............. 955.28  |============
z2_real_def_nr_requests=1024 ...................... 1328.13 |=================


IOzone 3.465
Record Size: 1MB - File Size: 4GB - Disk Test: Read Performance
MB/s > Higher Is Better
raidz2_default_opts . 1148.06 |================================================


IOzone 3.465
Record Size: 1MB - File Size: 8GB - Disk Test: Read Performance
MB/s > Higher Is Better
raidz2_default_opts . 1229.22 |================================================


IOzone 3.465
Record Size: 4Kb - File Size: 2GB - Disk Test: Read Performance
MB/s > Higher Is Better
raidz2_default_opts ............................... 603.87 |==================
z2_dva_txg_4s_16_async_read_txg_64 ................ 615.56 |===================
z2_dva_txg_4s_32_async_read_txg_512 ............... 627.42 |===================
z2_default_test2 .................................. 617.58 |===================
z2_cpu_set_2Ghz_min_defaults ...................... 617.80 |===================
z2_real_defaults_except_mem_l2_arc_max_noprefetch . 617.00 |===================
z2_real_def_nr_requests=1024 ...................... 621.98 |===================


IOzone 3.465
Record Size: 4Kb - File Size: 4GB - Disk Test: Read Performance
MB/s > Higher Is Better
raidz2_default_opts . 596.79 |=================================================


IOzone 3.465
Record Size: 4Kb - File Size: 8GB - Disk Test: Read Performance
MB/s > Higher Is Better
raidz2_default_opts . 595.13 |=================================================


IOzone 3.465
Record Size: 1MB - File Size: 2GB - Disk Test: Write Performance
MB/s > Higher Is Better
raidz2_default_opts ............................... 1008.54 |================
z2_dva_txg_4s_16_async_read_txg_64 ................ 980.35  |================
z2_dva_txg_4s_32_async_read_txg_512 ............... 1110.21 |==================
z2_default_test2 .................................. 1041.10 |=================
z2_cpu_set_2Ghz_min_defaults ...................... 962.84  |================
z2_real_defaults_except_mem_l2_arc_max_noprefetch . 1047.99 |=================
z2_real_def_nr_requests=1024 ...................... 1058.34 |=================


IOzone 3.465
Record Size: 1MB - File Size: 4GB - Disk Test: Write Performance
MB/s > Higher Is Better
raidz2_default_opts . 1006.61 |================================================


IOzone 3.465
Record Size: 1MB - File Size: 8GB - Disk Test: Write Performance
MB/s > Higher Is Better
raidz2_default_opts . 808.73 |=================================================


IOzone 3.465
Record Size: 4Kb - File Size: 2GB - Disk Test: Write Performance
MB/s > Higher Is Better
raidz2_default_opts ............................... 222.82 |===================
z2_dva_txg_4s_16_async_read_txg_64 ................ 219.32 |==================
z2_dva_txg_4s_32_async_read_txg_512 ............... 225.45 |===================
z2_default_test2 .................................. 213.71 |==================
z2_cpu_set_2Ghz_min_defaults ...................... 221.21 |===================
z2_real_defaults_except_mem_l2_arc_max_noprefetch . 221.92 |===================
z2_real_def_nr_requests=1024 ...................... 222.61 |===================


IOzone 3.465
Record Size: 4Kb - File Size: 4GB - Disk Test: Write Performance
MB/s > Higher Is Better
raidz2_default_opts . 220.14 |=================================================


IOzone 3.465
Record Size: 4Kb - File Size: 8GB - Disk Test: Write Performance
MB/s > Higher Is Better
raidz2_default_opts . 224.47 |=================================================


IOzone 3.465
Record Size: 64Kb - File Size: 2GB - Disk Test: Read Performance
MB/s > Higher Is Better
raidz2_default_opts ............................... 2061.82 |================
z2_dva_txg_4s_16_async_read_txg_64 ................ 1735.84 |==============
z2_dva_txg_4s_32_async_read_txg_512 ............... 1720.56 |=============
z2_default_test2 .................................. 1748.94 |==============
z2_cpu_set_2Ghz_min_defaults ...................... 1785.99 |==============
z2_real_defaults_except_mem_l2_arc_max_noprefetch . 2301.73 |==================
z2_real_def_nr_requests=1024 ...................... 1774.91 |==============


IOzone 3.465
Record Size: 64Kb - File Size: 4GB - Disk Test: Read Performance
MB/s > Higher Is Better
raidz2_default_opts . 1541.55 |================================================


IOzone 3.465
Record Size: 64Kb - File Size: 8GB - Disk Test: Read Performance
MB/s > Higher Is Better
raidz2_default_opts . 1660.64 |================================================


IOzone 3.465
Record Size: 1MB - File Size: 512MB - Disk Test: Read Performance
MB/s > Higher Is Better
raidz2_default_opts ....... 1749.73 |==========================================
z2_2.4_Ghz_TIMEOUT_10SECs . 1755.77 |==========================================


IOzone 3.465
Record Size: 4Kb - File Size: 512MB - Disk Test: Read Performance
MB/s > Higher Is Better
raidz2_default_opts . 611.77 |=================================================


IOzone 3.465
Record Size: 64Kb - File Size: 2GB - Disk Test: Write Performance
MB/s > Higher Is Better
raidz2_default_opts ............................... 838.20 |===================
z2_dva_txg_4s_16_async_read_txg_64 ................ 733.87 |=================
z2_dva_txg_4s_32_async_read_txg_512 ............... 798.70 |==================
z2_default_test2 .................................. 749.01 |=================
z2_cpu_set_2Ghz_min_defaults ...................... 756.87 |=================
z2_real_defaults_except_mem_l2_arc_max_noprefetch . 795.64 |==================
z2_real_def_nr_requests=1024 ...................... 842.06 |===================


IOzone 3.465
Record Size: 64Kb - File Size: 4GB - Disk Test: Write Performance
MB/s > Higher Is Better
raidz2_default_opts . 781.11 |=================================================


IOzone 3.465
Record Size: 64Kb - File Size: 8GB - Disk Test: Write Performance
MB/s > Higher Is Better
raidz2_default_opts . 702.04 |=================================================


IOzone 3.465
Record Size: 1MB - File Size: 512MB - Disk Test: Write Performance
MB/s > Higher Is Better
raidz2_default_opts . 1128.35 |================================================


IOzone 3.465
Record Size: 4Kb - File Size: 512MB - Disk Test: Write Performance
MB/s > Higher Is Better
raidz2_default_opts . 217.91 |=================================================


IOzone 3.465
Record Size: 64Kb - File Size: 512MB - Disk Test: Read Performance
MB/s > Higher Is Better
raidz2_default_opts . 3121.90 |================================================


IOzone 3.465
Record Size: 64Kb - File Size: 512MB - Disk Test: Write Performance
MB/s > Higher Is Better
raidz2_default_opts . 813.91 |=================================================