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Created October 12, 2011 11:59
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4xHDD RAID10 (md) sysbench fileio All Modes
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hddx4-raid10-md-sysbench-fileio.out
# Percona Toolkit System Summary Report ######################
Date | 2011-10-12 19:17:51 UTC (local TZ: MST -0700)
Hostname | zoe.dotmanila.com
Uptime | 3 days, 5:32, 1 user, load average: 16.00, 15.05, 11.17
System | Supermicro; X9SCL/X9SCM; v0123456789 (Desktop)
Service Tag | 0123456789
Platform | Linux
Release | CentOS release 5.7 (Final)
Kernel | 2.6.18-238.el5
Architecture | CPU = 64-bit, OS = 64-bit
Threading | NPTL 2.5
Compiler | GNU CC version 4.1.2 20080704 (Red Hat 4.1.2-51).
SELinux | Permissive
Virtualized | No virtualization detected
# Processor ##################################################
Processors | physical = 1, cores = 4, virtual = 8, hyperthreading = yes
Speeds | 8x1600.000
Models | 8xIntel(R) Xeon(R) CPU E31230 @ 3.20GHz
Caches | 8x8192 KB
# Memory #####################################################
Total | 15.67G
Free | 84.14M
Used | physical = 15.58G, swap = 0.00k, virtual = 15.58G
Buffers | 63.09M
Caches | 14.93G
Dirty | 568 kB
UsedRSS | 96.4M
Swappiness | vm.swappiness = 60
DirtyPolicy | vm.dirty_ratio = 40, vm.dirty_background_ratio = 10
DirtyStatus | vm.dirty_bytes = 0, vm.dirty_background_bytes = 0
Locator Size Speed Form Factor Type Type Detail
========= ======== ================= ============= ============= ===========
32768 MHz
DIMM_1A 4096 MB 1333 MHz DIMM DDR3 Synchronous
DIMM_1B 4096 MB 1333 MHz DIMM DDR3 Synchronous
DIMM_2A 4096 MB 1333 MHz DIMM DDR3 Synchronous
DIMM_2B 4096 MB 1333 MHz DIMM DDR3 Synchronous
6 MHz
Unknown
Unknown
# Mounted Filesystems ########################################
Filesystem Size Used Type Opts Mountpoint
/dev/mapper/SSD-LogVolSSD01 111G 58% ext3 rw /ssd
/dev/mapper/VolGroup00-LogVol00 48G 5% ext3 rw /
/dev/mapper/VolGroup00-LogVol01 9.5G 2% ext3 rw /tmp
/dev/mapper/VolGroup00-LogVol02 7.6G 2% ext3 rw /tmpfs
/dev/mapper/VolGroup00-LogVol03 284G 23% ext3 rw /dt
/dev/md0 99M 21% ext3 rw /boot
tmpfs 7.9G 0% tmpfs rw /dev/shm
# Disk Schedulers And Queue Size #############################
sda | [cfq] 128
sdb | [cfq] 128
sdc | [cfq] 128
sdd | [cfq] 128
sde | [cfq] 128
# Disk Partioning ############################################
Device Type Start End Size
============ ==== ========== ========== ==================
/dev/sda Disk 500107862016
/dev/sda1 Part 1 13 98703360
/dev/sda2 Part 14 60801 499990095360
/dev/sdb Disk 500107862016
/dev/sdb1 Part 1 13 98703360
/dev/sdb2 Part 14 60801 499990095360
/dev/sdc Disk 500107862016
/dev/sdc1 Part 1 13 98703360
/dev/sdc2 Part 14 60801 499990095360
/dev/sdd Disk 500107862016
/dev/sdd1 Part 1 13 98703360
/dev/sdd2 Part 14 60801 499990095360
/dev/sde Disk 120034123776
/dev/sde1 Part 1 14593 120023285760
# The End ####################################################
[root@zoe bin]# mdadm --misc --detail /dev/md1
/dev/md1:
Version : 0.90
Creation Time : Sun Oct 9 06:35:44 2011
Raid Level : raid10
Array Size : 976558592 (931.32 GiB 1000.00 GB)
Used Dev Size : 488279296 (465.66 GiB 500.00 GB)
Raid Devices : 4
Total Devices : 4
Preferred Minor : 1
Persistence : Superblock is persistent
Update Time : Wed Oct 12 12:45:28 2011
State : clean
Active Devices : 4
Working Devices : 4
Failed Devices : 0
Spare Devices : 0
Layout : near=2
Chunk Size : 256K
UUID : 4a25998c:f72e7802:d60db58c:e9bf2ff8
Events : 0.6
Number Major Minor RaidDevice State
0 8 2 0 active sync /dev/sda2
1 8 18 1 active sync /dev/sdb2
2 8 34 2 active sync /dev/sdc2
3 8 50 3 active sync /dev/sdd2
ata1: SATA link up 3.0 Gbps (SStatus 123 SControl 300)
ata1.00: ATA-8: WDC WD5000AAKX-083CA1, 17.01H17, max UDMA/100
ata1.00: 976773168 sectors, multi 16: LBA48 NCQ (depth 31/32)
ata1.00: configured for UDMA/100
ata2: SATA link up 3.0 Gbps (SStatus 123 SControl 300)
ata2.00: ATA-8: WDC WD5000AAKX-083CA1, 17.01H17, max UDMA/100
ata2.00: 976773168 sectors, multi 16: LBA48 NCQ (depth 31/32)
ata2.00: configured for UDMA/100
ata3: SATA link up 3.0 Gbps (SStatus 123 SControl 300)
ata3.00: ATA-8: WDC WD5000AAKX-083CA1, 17.01H17, max UDMA/100
ata3.00: 976773168 sectors, multi 16: LBA48 NCQ (depth 31/32)
ata3.00: configured for UDMA/100
ata4: SATA link up 3.0 Gbps (SStatus 123 SControl 300)
ata4.00: ATA-8: WDC WD5000AAKX-083CA1, 17.01H17, max UDMA/100
ata4.00: 976773168 sectors, multi 16: LBA48 NCQ (depth 31/32)
ata4.00: configured for UDMA/100
--md: seqwr --thd:1
sysbench 0.5: multi-threaded system evaluation benchmark
Running the test with following options:
Number of threads: 1
Initializing random number generator from timer.
Random number generator seed is 0 and will be ignored
Extra file open flags: 0
8 files, 7.5Gb each
60Gb total file size
Block size 16Kb
Periodic FSYNC enabled, calling fsync() each 100 requests.
Calling fsync() at the end of test, Enabled.
Using synchronous I/O mode
Doing sequential write (creation) test
Threads started!
Operations performed: 0 reads, 5000000 writes, 400000 Other = 5400000 Total
Read 0b Written 76.294Gb Total transferred 76.294Gb (66.337Mb/sec)
4245.57 Requests/sec executed
General statistics:
total time: 1177.6968s
total number of events: 5000000
total time taken by event execution: 254.2380s
response time:
min: 0.01ms
avg: 0.05ms
max: 260.95ms
approx. 95 percentile: 0.03ms
Threads fairness:
events (avg/stddev): 5000000.0000/0.00
execution time (avg/stddev): 254.2380/0.00
--md: seqwr --thd:2
sysbench 0.5: multi-threaded system evaluation benchmark
Running the test with following options:
Number of threads: 2
Initializing random number generator from timer.
Random number generator seed is 0 and will be ignored
Extra file open flags: 0
8 files, 7.5Gb each
60Gb total file size
Block size 16Kb
Periodic FSYNC enabled, calling fsync() each 100 requests.
Calling fsync() at the end of test, Enabled.
Using synchronous I/O mode
Doing sequential write (creation) test
Threads started!
Operations performed: 0 reads, 5000000 writes, 400000 Other = 5400000 Total
Read 0b Written 76.294Gb Total transferred 76.294Gb (62.878Mb/sec)
4024.21 Requests/sec executed
General statistics:
total time: 1242.4801s
total number of events: 5000000
total time taken by event execution: 1266.9074s
response time:
min: 0.01ms
avg: 0.25ms
max: 1535.23ms
approx. 95 percentile: 0.09ms
Threads fairness:
events (avg/stddev): 2500000.0000/13299.00
execution time (avg/stddev): 633.4537/3.79
--md: seqwr --thd:4
sysbench 0.5: multi-threaded system evaluation benchmark
Running the test with following options:
Number of threads: 4
Initializing random number generator from timer.
Random number generator seed is 0 and will be ignored
Extra file open flags: 0
8 files, 7.5Gb each
60Gb total file size
Block size 16Kb
Periodic FSYNC enabled, calling fsync() each 100 requests.
Calling fsync() at the end of test, Enabled.
Using synchronous I/O mode
Doing sequential write (creation) test
Threads started!
Operations performed: 0 reads, 5000000 writes, 400000 Other = 5400000 Total
Read 0b Written 76.294Gb Total transferred 76.294Gb (49.461Mb/sec)
3165.51 Requests/sec executed
General statistics:
total time: 1579.5254s
total number of events: 5000000
total time taken by event execution: 4285.0396s
response time:
min: 0.01ms
avg: 0.86ms
max: 2092.31ms
approx. 95 percentile: 0.25ms
Threads fairness:
events (avg/stddev): 1250000.0000/4345.83
execution time (avg/stddev): 1071.2599/1.68
--md: seqwr --thd:8
sysbench 0.5: multi-threaded system evaluation benchmark
Running the test with following options:
Number of threads: 8
Initializing random number generator from timer.
Random number generator seed is 0 and will be ignored
Extra file open flags: 0
8 files, 7.5Gb each
60Gb total file size
Block size 16Kb
Periodic FSYNC enabled, calling fsync() each 100 requests.
Calling fsync() at the end of test, Enabled.
Using synchronous I/O mode
Doing sequential write (creation) test
Threads started!
Operations performed: 0 reads, 5000000 writes, 400000 Other = 5400000 Total
Read 0b Written 76.294Gb Total transferred 76.294Gb (37.313Mb/sec)
2388.03 Requests/sec executed
General statistics:
total time: 2093.7801s
total number of events: 5000000
total time taken by event execution: 13444.9003s
response time:
min: 0.01ms
avg: 2.69ms
max: 2169.51ms
approx. 95 percentile: 6.99ms
Threads fairness:
events (avg/stddev): 625000.0000/2729.22
execution time (avg/stddev): 1680.6125/5.11
--md: seqwr --thd:16
sysbench 0.5: multi-threaded system evaluation benchmark
Running the test with following options:
Number of threads: 16
Initializing random number generator from timer.
Random number generator seed is 0 and will be ignored
Extra file open flags: 0
8 files, 7.5Gb each
60Gb total file size
Block size 16Kb
Periodic FSYNC enabled, calling fsync() each 100 requests.
Calling fsync() at the end of test, Enabled.
Using synchronous I/O mode
Doing sequential write (creation) test
Threads started!
Operations performed: 0 reads, 5000000 writes, 400000 Other = 5400000 Total
Read 0b Written 76.294Gb Total transferred 76.294Gb (31.924Mb/sec)
2043.13 Requests/sec executed
General statistics:
total time: 2447.2213s
total number of events: 5000000
total time taken by event execution: 33253.4031s
response time:
min: 0.01ms
avg: 6.65ms
max: 4419.85ms
approx. 95 percentile: 28.41ms
Threads fairness:
events (avg/stddev): 312500.0000/2177.13
execution time (avg/stddev): 2078.3377/7.51
--md: seqwr --thd:32
sysbench 0.5: multi-threaded system evaluation benchmark
Running the test with following options:
Number of threads: 32
Initializing random number generator from timer.
Random number generator seed is 0 and will be ignored
Extra file open flags: 0
8 files, 7.5Gb each
60Gb total file size
Block size 16Kb
Periodic FSYNC enabled, calling fsync() each 100 requests.
Calling fsync() at the end of test, Enabled.
Using synchronous I/O mode
Doing sequential write (creation) test
Threads started!
Operations performed: 0 reads, 5000000 writes, 400000 Other = 5400000 Total
Read 0b Written 76.294Gb Total transferred 76.294Gb (34.324Mb/sec)
2196.74 Requests/sec executed
General statistics:
total time: 2276.0955s
total number of events: 5000000
total time taken by event execution: 64384.1048s
response time:
min: 0.01ms
avg: 12.88ms
max: 5400.34ms
approx. 95 percentile: 62.96ms
Threads fairness:
events (avg/stddev): 156250.0000/1492.46
execution time (avg/stddev): 2012.0033/9.49
--md: seqwr --thd:64
sysbench 0.5: multi-threaded system evaluation benchmark
Running the test with following options:
Number of threads: 64
Initializing random number generator from timer.
Random number generator seed is 0 and will be ignored
Extra file open flags: 0
8 files, 7.5Gb each
60Gb total file size
Block size 16Kb
Periodic FSYNC enabled, calling fsync() each 100 requests.
Calling fsync() at the end of test, Enabled.
Using synchronous I/O mode
Doing sequential write (creation) test
Threads started!
Operations performed: 0 reads, 5000000 writes, 400000 Other = 5400000 Total
Read 0b Written 76.294Gb Total transferred 76.294Gb (31.109Mb/sec)
1991.01 Requests/sec executed
General statistics:
total time: 2511.2911s
total number of events: 5000000
total time taken by event execution: 150448.7899s
response time:
min: 0.01ms
avg: 30.09ms
max: 5430.61ms
approx. 95 percentile: 152.43ms
Threads fairness:
events (avg/stddev): 78125.0000/716.35
execution time (avg/stddev): 2350.7623/9.56
--md: seqrewr --thd:1
sysbench 0.5: multi-threaded system evaluation benchmark
Running the test with following options:
Number of threads: 1
Initializing random number generator from timer.
Random number generator seed is 0 and will be ignored
Extra file open flags: 0
8 files, 7.5Gb each
60Gb total file size
Block size 16Kb
Periodic FSYNC enabled, calling fsync() each 100 requests.
Calling fsync() at the end of test, Enabled.
Using synchronous I/O mode
Doing sequential rewrite test
Threads started!
Operations performed: 0 reads, 5000000 writes, 400000 Other = 5400000 Total
Read 0b Written 76.294Gb Total transferred 76.294Gb (31.552Mb/sec)
2019.35 Requests/sec executed
General statistics:
total time: 2476.0402s
total number of events: 5000000
total time taken by event execution: 516.1922s
response time:
min: 0.01ms
avg: 0.10ms
max: 775.78ms
approx. 95 percentile: 0.02ms
Threads fairness:
events (avg/stddev): 5000000.0000/0.00
execution time (avg/stddev): 516.1922/0.00
--md: seqrewr --thd:2
sysbench 0.5: multi-threaded system evaluation benchmark
Running the test with following options:
Number of threads: 2
Initializing random number generator from timer.
Random number generator seed is 0 and will be ignored
Extra file open flags: 0
8 files, 7.5Gb each
60Gb total file size
Block size 16Kb
Periodic FSYNC enabled, calling fsync() each 100 requests.
Calling fsync() at the end of test, Enabled.
Using synchronous I/O mode
Doing sequential rewrite test
Threads started!
Operations performed: 0 reads, 5000000 writes, 400000 Other = 5400000 Total
Read 0b Written 76.294Gb Total transferred 76.294Gb (32.027Mb/sec)
2049.75 Requests/sec executed
General statistics:
total time: 2439.3207s
total number of events: 5000000
total time taken by event execution: 1056.9313s
response time:
min: 0.01ms
avg: 0.21ms
max: 2834.72ms
approx. 95 percentile: 0.04ms
Threads fairness:
events (avg/stddev): 2500000.0000/5707.00
execution time (avg/stddev): 528.4657/4.13
--md: seqrewr --thd:4
sysbench 0.5: multi-threaded system evaluation benchmark
Running the test with following options:
Number of threads: 4
Initializing random number generator from timer.
Random number generator seed is 0 and will be ignored
Extra file open flags: 0
8 files, 7.5Gb each
60Gb total file size
Block size 16Kb
Periodic FSYNC enabled, calling fsync() each 100 requests.
Calling fsync() at the end of test, Enabled.
Using synchronous I/O mode
Doing sequential rewrite test
Threads started!
Operations performed: 0 reads, 5000000 writes, 400000 Other = 5400000 Total
Read 0b Written 76.294Gb Total transferred 76.294Gb (33.639Mb/sec)
2152.87 Requests/sec executed
General statistics:
total time: 2322.4839s
total number of events: 5000000
total time taken by event execution: 2323.4611s
response time:
min: 0.01ms
avg: 0.46ms
max: 3394.37ms
approx. 95 percentile: 0.10ms
Threads fairness:
events (avg/stddev): 1250000.0000/8689.81
execution time (avg/stddev): 580.8653/6.92
--md: seqrewr --thd:8
sysbench 0.5: multi-threaded system evaluation benchmark
Running the test with following options:
Number of threads: 8
Initializing random number generator from timer.
Random number generator seed is 0 and will be ignored
Extra file open flags: 0
8 files, 7.5Gb each
60Gb total file size
Block size 16Kb
Periodic FSYNC enabled, calling fsync() each 100 requests.
Calling fsync() at the end of test, Enabled.
Using synchronous I/O mode
Doing sequential rewrite test
Threads started!
Operations performed: 0 reads, 5000000 writes, 400000 Other = 5400000 Total
Read 0b Written 76.294Gb Total transferred 76.294Gb (33.906Mb/sec)
2169.99 Requests/sec executed
General statistics:
total time: 2304.1587s
total number of events: 5000000
total time taken by event execution: 6021.8659s
response time:
min: 0.01ms
avg: 1.20ms
max: 2383.85ms
approx. 95 percentile: 0.25ms
Threads fairness:
events (avg/stddev): 625000.0000/5051.99
execution time (avg/stddev): 752.7332/8.98
--md: seqrewr --thd:16
sysbench 0.5: multi-threaded system evaluation benchmark
Running the test with following options:
Number of threads: 16
Initializing random number generator from timer.
Random number generator seed is 0 and will be ignored
Extra file open flags: 0
8 files, 7.5Gb each
60Gb total file size
Block size 16Kb
Periodic FSYNC enabled, calling fsync() each 100 requests.
Calling fsync() at the end of test, Enabled.
Using synchronous I/O mode
Doing sequential rewrite test
Threads started!
Operations performed: 0 reads, 5000000 writes, 400000 Other = 5400000 Total
Read 0b Written 76.294Gb Total transferred 76.294Gb (35.949Mb/sec)
2300.70 Requests/sec executed
General statistics:
total time: 2173.2472s
total number of events: 5000000
total time taken by event execution: 14082.3295s
response time:
min: 0.01ms
avg: 2.82ms
max: 2881.58ms
approx. 95 percentile: 2.02ms
Threads fairness:
events (avg/stddev): 312500.0000/3065.47
execution time (avg/stddev): 880.1456/8.26
--md: seqrewr --thd:32
sysbench 0.5: multi-threaded system evaluation benchmark
Running the test with following options:
Number of threads: 32
Initializing random number generator from timer.
Random number generator seed is 0 and will be ignored
Extra file open flags: 0
8 files, 7.5Gb each
60Gb total file size
Block size 16Kb
Periodic FSYNC enabled, calling fsync() each 100 requests.
Calling fsync() at the end of test, Enabled.
Using synchronous I/O mode
Doing sequential rewrite test
Threads started!
Operations performed: 0 reads, 5000000 writes, 400000 Other = 5400000 Total
Read 0b Written 76.294Gb Total transferred 76.294Gb (36.13Mb/sec)
2312.30 Requests/sec executed
General statistics:
total time: 2162.3501s
total number of events: 5000000
total time taken by event execution: 36287.5994s
response time:
min: 0.01ms
avg: 7.26ms
max: 3650.64ms
approx. 95 percentile: 19.41ms
Threads fairness:
events (avg/stddev): 156250.0000/2245.17
execution time (avg/stddev): 1133.9875/11.49
--md: seqrewr --thd:64
sysbench 0.5: multi-threaded system evaluation benchmark
Running the test with following options:
Number of threads: 64
Initializing random number generator from timer.
Random number generator seed is 0 and will be ignored
Extra file open flags: 0
8 files, 7.5Gb each
60Gb total file size
Block size 16Kb
Periodic FSYNC enabled, calling fsync() each 100 requests.
Calling fsync() at the end of test, Enabled.
Using synchronous I/O mode
Doing sequential rewrite test
Threads started!
Operations performed: 0 reads, 5000000 writes, 400000 Other = 5400000 Total
Read 0b Written 76.294Gb Total transferred 76.294Gb (34.843Mb/sec)
2229.92 Requests/sec executed
General statistics:
total time: 2242.2317s
total number of events: 5000000
total time taken by event execution: 96211.6076s
response time:
min: 0.01ms
avg: 19.24ms
max: 7396.74ms
approx. 95 percentile: 112.49ms
Threads fairness:
events (avg/stddev): 78125.0000/1653.75
execution time (avg/stddev): 1503.3064/18.82
--md: seqrd --thd:1
sysbench 0.5: multi-threaded system evaluation benchmark
Running the test with following options:
Number of threads: 1
Initializing random number generator from timer.
Random number generator seed is 0 and will be ignored
Extra file open flags: 0
8 files, 7.5Gb each
60Gb total file size
Block size 16Kb
Periodic FSYNC enabled, calling fsync() each 100 requests.
Calling fsync() at the end of test, Enabled.
Using synchronous I/O mode
Doing sequential read test
Threads started!
Operations performed: 5000000 reads, 0 writes, 0 Other = 5000000 Total
Read 76.294Gb Written 0b Total transferred 76.294Gb (76.59Mb/sec)
4901.74 Requests/sec executed
General statistics:
total time: 1020.0456s
total number of events: 5000000
total time taken by event execution: 1011.2124s
response time:
min: 0.00ms
avg: 0.20ms
max: 293.13ms
approx. 95 percentile: 0.06ms
Threads fairness:
events (avg/stddev): 5000000.0000/0.00
execution time (avg/stddev): 1011.2124/0.00
--md: seqrd --thd:2
sysbench 0.5: multi-threaded system evaluation benchmark
Running the test with following options:
Number of threads: 2
Initializing random number generator from timer.
Random number generator seed is 0 and will be ignored
Extra file open flags: 0
8 files, 7.5Gb each
60Gb total file size
Block size 16Kb
Periodic FSYNC enabled, calling fsync() each 100 requests.
Calling fsync() at the end of test, Enabled.
Using synchronous I/O mode
Doing sequential read test
Threads started!
Operations performed: 5000000 reads, 0 writes, 0 Other = 5000000 Total
Read 76.294Gb Written 0b Total transferred 76.294Gb (61.838Mb/sec)
3957.62 Requests/sec executed
General statistics:
total time: 1263.3856s
total number of events: 5000000
total time taken by event execution: 2515.5225s
response time:
min: 0.00ms
avg: 0.50ms
max: 500.31ms
approx. 95 percentile: 2.76ms
Threads fairness:
events (avg/stddev): 2500000.0000/1750.00
execution time (avg/stddev): 1257.7612/0.00
--md: seqrd --thd:4
sysbench 0.5: multi-threaded system evaluation benchmark
Running the test with following options:
Number of threads: 4
Initializing random number generator from timer.
Random number generator seed is 0 and will be ignored
Extra file open flags: 0
8 files, 7.5Gb each
60Gb total file size
Block size 16Kb
Periodic FSYNC enabled, calling fsync() each 100 requests.
Calling fsync() at the end of test, Enabled.
Using synchronous I/O mode
Doing sequential read test
Threads started!
Operations performed: 5000000 reads, 0 writes, 0 Other = 5000000 Total
Read 76.294Gb Written 0b Total transferred 76.294Gb (61.855Mb/sec)
3958.70 Requests/sec executed
General statistics:
total time: 1263.0407s
total number of events: 5000000
total time taken by event execution: 5037.1588s
response time:
min: 0.00ms
avg: 1.01ms
max: 446.53ms
approx. 95 percentile: 6.84ms
Threads fairness:
events (avg/stddev): 1250000.0000/2711.67
execution time (avg/stddev): 1259.2897/0.01
--md: seqrd --thd:8
sysbench 0.5: multi-threaded system evaluation benchmark
Running the test with following options:
Number of threads: 8
Initializing random number generator from timer.
Random number generator seed is 0 and will be ignored
Extra file open flags: 0
8 files, 7.5Gb each
60Gb total file size
Block size 16Kb
Periodic FSYNC enabled, calling fsync() each 100 requests.
Calling fsync() at the end of test, Enabled.
Using synchronous I/O mode
Doing sequential read test
Threads started!
Operations performed: 5000000 reads, 0 writes, 0 Other = 5000000 Total
Read 76.294Gb Written 0b Total transferred 76.294Gb (67.761Mb/sec)
4336.70 Requests/sec executed
General statistics:
total time: 1152.9505s
total number of events: 5000000
total time taken by event execution: 9206.2437s
response time:
min: 0.00ms
avg: 1.84ms
max: 363.95ms
approx. 95 percentile: 9.29ms
Threads fairness:
events (avg/stddev): 625000.0000/1234.09
execution time (avg/stddev): 1150.7805/0.01
--md: seqrd --thd:16
sysbench 0.5: multi-threaded system evaluation benchmark
Running the test with following options:
Number of threads: 16
Initializing random number generator from timer.
Random number generator seed is 0 and will be ignored
Extra file open flags: 0
8 files, 7.5Gb each
60Gb total file size
Block size 16Kb
Periodic FSYNC enabled, calling fsync() each 100 requests.
Calling fsync() at the end of test, Enabled.
Using synchronous I/O mode
Doing sequential read test
Threads started!
Operations performed: 5000000 reads, 0 writes, 0 Other = 5000000 Total
Read 76.294Gb Written 0b Total transferred 76.294Gb (78.708Mb/sec)
5037.29 Requests/sec executed
General statistics:
total time: 992.5978s
total number of events: 5000000
total time taken by event execution: 15862.8102s
response time:
min: 0.00ms
avg: 3.17ms
max: 458.80ms
approx. 95 percentile: 13.25ms
Threads fairness:
events (avg/stddev): 312500.0000/1300.43
execution time (avg/stddev): 991.4256/0.01
--md: seqrd --thd:32
sysbench 0.5: multi-threaded system evaluation benchmark
Running the test with following options:
Number of threads: 32
Initializing random number generator from timer.
Random number generator seed is 0 and will be ignored
Extra file open flags: 0
8 files, 7.5Gb each
60Gb total file size
Block size 16Kb
Periodic FSYNC enabled, calling fsync() each 100 requests.
Calling fsync() at the end of test, Enabled.
Using synchronous I/O mode
Doing sequential read test
Threads started!
Operations performed: 5000000 reads, 0 writes, 0 Other = 5000000 Total
Read 76.294Gb Written 0b Total transferred 76.294Gb (91.187Mb/sec)
5835.96 Requests/sec executed
General statistics:
total time: 856.7572s
total number of events: 5000000
total time taken by event execution: 27395.9517s
response time:
min: 0.00ms
avg: 5.48ms
max: 395.91ms
approx. 95 percentile: 20.15ms
Threads fairness:
events (avg/stddev): 156250.0000/599.14
execution time (avg/stddev): 856.1235/0.01
--md: seqrd --thd:64
sysbench 0.5: multi-threaded system evaluation benchmark
Running the test with following options:
Number of threads: 64
Initializing random number generator from timer.
Random number generator seed is 0 and will be ignored
Extra file open flags: 0
8 files, 7.5Gb each
60Gb total file size
Block size 16Kb
Periodic FSYNC enabled, calling fsync() each 100 requests.
Calling fsync() at the end of test, Enabled.
Using synchronous I/O mode
Doing sequential read test
Threads started!
Operations performed: 5000000 reads, 0 writes, 0 Other = 5000000 Total
Read 76.294Gb Written 0b Total transferred 76.294Gb (102.9Mb/sec)
6585.80 Requests/sec executed
General statistics:
total time: 759.2097s
total number of events: 5000000
total time taken by event execution: 48568.9093s
response time:
min: 0.00ms
avg: 9.71ms
max: 639.03ms
approx. 95 percentile: 32.55ms
Threads fairness:
events (avg/stddev): 78125.0000/354.34
execution time (avg/stddev): 758.8892/0.01
--md: rndrd --thd:1
sysbench 0.5: multi-threaded system evaluation benchmark
Running the test with following options:
Number of threads: 1
Initializing random number generator from timer.
Random number generator seed is 0 and will be ignored
Extra file open flags: 0
8 files, 7.5Gb each
60Gb total file size
Block size 16Kb
Number of IO requests: 5000000
Read/Write ratio for combined random IO test: 1.50
Periodic FSYNC enabled, calling fsync() each 100 requests.
Calling fsync() at the end of test, Enabled.
Using synchronous I/O mode
Doing random read test
Threads started!
Operations performed: 426986 reads, 0 writes, 0 Other = 426986 Total
Read 6.5153Gb Written 0b Total transferred 6.5153Gb (1.8532Mb/sec)
118.61 Requests/sec executed
General statistics:
total time: 3600.0040s
total number of events: 426986
total time taken by event execution: 3598.2643s
response time:
min: 0.00ms
avg: 8.43ms
max: 326.99ms
approx. 95 percentile: 14.75ms
Threads fairness:
events (avg/stddev): 426986.0000/0.00
execution time (avg/stddev): 3598.2643/0.00
--md: rndrd --thd:2
sysbench 0.5: multi-threaded system evaluation benchmark
Running the test with following options:
Number of threads: 2
Initializing random number generator from timer.
Random number generator seed is 0 and will be ignored
Extra file open flags: 0
8 files, 7.5Gb each
60Gb total file size
Block size 16Kb
Number of IO requests: 5000000
Read/Write ratio for combined random IO test: 1.50
Periodic FSYNC enabled, calling fsync() each 100 requests.
Calling fsync() at the end of test, Enabled.
Using synchronous I/O mode
Doing random read test
Threads started!
Operations performed: 764495 reads, 0 writes, 0 Other = 764495 Total
Read 11.665Gb Written 0b Total transferred 11.665Gb (3.3181Mb/sec)
212.36 Requests/sec executed
General statistics:
total time: 3600.0071s
total number of events: 764495
total time taken by event execution: 7196.9418s
response time:
min: 0.00ms
avg: 9.41ms
max: 405.86ms
approx. 95 percentile: 20.20ms
Threads fairness:
events (avg/stddev): 382247.5000/299.50
execution time (avg/stddev): 3598.4709/0.00
--md: rndrd --thd:4
sysbench 0.5: multi-threaded system evaluation benchmark
Running the test with following options:
Number of threads: 4
Initializing random number generator from timer.
Random number generator seed is 0 and will be ignored
Extra file open flags: 0
8 files, 7.5Gb each
60Gb total file size
Block size 16Kb
Number of IO requests: 5000000
Read/Write ratio for combined random IO test: 1.50
Periodic FSYNC enabled, calling fsync() each 100 requests.
Calling fsync() at the end of test, Enabled.
Using synchronous I/O mode
Doing random read test
Threads started!
Operations performed: 1233597 reads, 0 writes, 0 Other = 1233597 Total
Read 18.823Gb Written 0b Total transferred 18.823Gb (5.3541Mb/sec)
342.66 Requests/sec executed
General statistics:
total time: 3600.0198s
total number of events: 1233597
total time taken by event execution: 14395.1220s
response time:
min: 0.00ms
avg: 11.67ms
max: 852.42ms
approx. 95 percentile: 28.86ms
Threads fairness:
events (avg/stddev): 308399.2500/325.77
execution time (avg/stddev): 3598.7805/0.01
--md: rndrd --thd:8
sysbench 0.5: multi-threaded system evaluation benchmark
Running the test with following options:
Number of threads: 8
Initializing random number generator from timer.
Random number generator seed is 0 and will be ignored
Extra file open flags: 0
8 files, 7.5Gb each
60Gb total file size
Block size 16Kb
Number of IO requests: 5000000
Read/Write ratio for combined random IO test: 1.50
Periodic FSYNC enabled, calling fsync() each 100 requests.
Calling fsync() at the end of test, Enabled.
Using synchronous I/O mode
Doing random read test
Threads started!
Operations performed: 1792398 reads, 0 writes, 0 Other = 1792398 Total
Read 27.35Gb Written 0b Total transferred 27.35Gb (7.7794Mb/sec)
497.88 Requests/sec executed
General statistics:
total time: 3600.0381s
total number of events: 1792398
total time taken by event execution: 28793.0463s
response time:
min: 0.00ms
avg: 16.06ms
max: 817.01ms
approx. 95 percentile: 50.13ms
Threads fairness:
events (avg/stddev): 224049.7500/772.02
execution time (avg/stddev): 3599.1308/0.01
--md: rndrd --thd:16
sysbench 0.5: multi-threaded system evaluation benchmark
Running the test with following options:
Number of threads: 16
Initializing random number generator from timer.
Random number generator seed is 0 and will be ignored
Extra file open flags: 0
8 files, 7.5Gb each
60Gb total file size
Block size 16Kb
Number of IO requests: 5000000
Read/Write ratio for combined random IO test: 1.50
Periodic FSYNC enabled, calling fsync() each 100 requests.
Calling fsync() at the end of test, Enabled.
Using synchronous I/O mode
Doing random read test
Threads started!
Operations performed: 2324990 reads, 0 writes, 0 Other = 2324990 Total
Read 35.477Gb Written 0b Total transferred 35.477Gb (10.091Mb/sec)
645.82 Requests/sec executed
General statistics:
total time: 3600.0727s
total number of events: 2324990
total time taken by event execution: 57591.3100s
response time:
min: 0.00ms
avg: 24.77ms
max: 1217.45ms
approx. 95 percentile: 87.61ms
Threads fairness:
events (avg/stddev): 145311.8750/441.83
execution time (avg/stddev): 3599.4569/0.02
--md: rndrd --thd:32
sysbench 0.5: multi-threaded system evaluation benchmark
Running the test with following options:
Number of threads: 32
Initializing random number generator from timer.
Random number generator seed is 0 and will be ignored
Extra file open flags: 0
8 files, 7.5Gb each
60Gb total file size
Block size 16Kb
Number of IO requests: 5000000
Read/Write ratio for combined random IO test: 1.50
Periodic FSYNC enabled, calling fsync() each 100 requests.
Calling fsync() at the end of test, Enabled.
Using synchronous I/O mode
Doing random read test
Threads started!
Operations performed: 2767821 reads, 0 writes, 0 Other = 2767821 Total
Read 42.234Gb Written 0b Total transferred 42.234Gb (12.013Mb/sec)
768.81 Requests/sec executed
General statistics:
total time: 3600.1543s
total number of events: 2767821
total time taken by event execution: 115190.4810s
response time:
min: 0.00ms
avg: 41.62ms
max: 1794.62ms
approx. 95 percentile: 156.92ms
Threads fairness:
events (avg/stddev): 86494.4062/487.98
execution time (avg/stddev): 3599.7025/0.03
--md: rndrd --thd:64
sysbench 0.5: multi-threaded system evaluation benchmark
Running the test with following options:
Number of threads: 64
Initializing random number generator from timer.
Random number generator seed is 0 and will be ignored
Extra file open flags: 0
8 files, 7.5Gb each
60Gb total file size
Block size 16Kb
Number of IO requests: 5000000
Read/Write ratio for combined random IO test: 1.50
Periodic FSYNC enabled, calling fsync() each 100 requests.
Calling fsync() at the end of test, Enabled.
Using synchronous I/O mode
Doing random read test
Threads started!
Operations performed: 3085260 reads, 0 writes, 0 Other = 3085260 Total
Read 47.077Gb Written 0b Total transferred 47.077Gb (13.39Mb/sec)
856.97 Requests/sec executed
General statistics:
total time: 3600.1923s
total number of events: 3085260
total time taken by event execution: 230391.9285s
response time:
min: 0.00ms
avg: 74.68ms
max: 2537.00ms
approx. 95 percentile: 301.80ms
Threads fairness:
events (avg/stddev): 48207.1875/314.89
execution time (avg/stddev): 3599.8739/0.05
--md: rndwr --thd:1
sysbench 0.5: multi-threaded system evaluation benchmark
Running the test with following options:
Number of threads: 1
Initializing random number generator from timer.
Random number generator seed is 0 and will be ignored
Extra file open flags: 0
8 files, 7.5Gb each
60Gb total file size
Block size 16Kb
Number of IO requests: 5000000
Read/Write ratio for combined random IO test: 1.50
Periodic FSYNC enabled, calling fsync() each 100 requests.
Calling fsync() at the end of test, Enabled.
Using synchronous I/O mode
Doing random write test
Threads started!
Operations performed: 0 reads, 646400 writes, 51710 Other = 698110 Total
Read 0b Written 9.8633Gb Total transferred 9.8633Gb (2.8056Mb/sec)
179.56 Requests/sec executed
General statistics:
total time: 3600.0014s
total number of events: 646400
total time taken by event execution: 9.4648s
response time:
min: 0.01ms
avg: 0.01ms
max: 0.30ms
approx. 95 percentile: 0.02ms
Threads fairness:
events (avg/stddev): 646400.0000/0.00
execution time (avg/stddev): 9.4648/0.00
--md: rndwr --thd:2
sysbench 0.5: multi-threaded system evaluation benchmark
Running the test with following options:
Number of threads: 2
Initializing random number generator from timer.
Random number generator seed is 0 and will be ignored
Extra file open flags: 0
8 files, 7.5Gb each
60Gb total file size
Block size 16Kb
Number of IO requests: 5000000
Read/Write ratio for combined random IO test: 1.50
Periodic FSYNC enabled, calling fsync() each 100 requests.
Calling fsync() at the end of test, Enabled.
Using synchronous I/O mode
Doing random write test
Threads started!
Operations performed: 0 reads, 594100 writes, 47522 Other = 641622 Total
Read 0b Written 9.0652Gb Total transferred 9.0652Gb (2.5782Mb/sec)
165.00 Requests/sec executed
General statistics:
total time: 3600.5299s
total number of events: 594100
total time taken by event execution: 29.6303s
response time:
min: 0.01ms
avg: 0.05ms
max: 508.89ms
approx. 95 percentile: 0.03ms
Threads fairness:
events (avg/stddev): 297050.0000/4075.00
execution time (avg/stddev): 14.8151/0.74
--md: rndwr --thd:4
sysbench 0.5: multi-threaded system evaluation benchmark
Running the test with following options:
Number of threads: 4
Initializing random number generator from timer.
Random number generator seed is 0 and will be ignored
Extra file open flags: 0
8 files, 7.5Gb each
60Gb total file size
Block size 16Kb
Number of IO requests: 5000000
Read/Write ratio for combined random IO test: 1.50
Periodic FSYNC enabled, calling fsync() each 100 requests.
Calling fsync() at the end of test, Enabled.
Using synchronous I/O mode
Doing random write test
Threads started!
Operations performed: 0 reads, 595200 writes, 47611 Other = 642811 Total
Read 0b Written 9.082Gb Total transferred 9.082Gb (2.5831Mb/sec)
165.32 Requests/sec executed
General statistics:
total time: 3600.3828s
total number of events: 595200
total time taken by event execution: 184.5515s
response time:
min: 0.01ms
avg: 0.31ms
max: 1629.61ms
approx. 95 percentile: 0.04ms
Threads fairness:
events (avg/stddev): 148800.0000/1577.80
execution time (avg/stddev): 46.1379/6.03
--md: rndwr --thd:8
sysbench 0.5: multi-threaded system evaluation benchmark
Running the test with following options:
Number of threads: 8
Initializing random number generator from timer.
Random number generator seed is 0 and will be ignored
Extra file open flags: 0
8 files, 7.5Gb each
60Gb total file size
Block size 16Kb
Number of IO requests: 5000000
Read/Write ratio for combined random IO test: 1.50
Periodic FSYNC enabled, calling fsync() each 100 requests.
Calling fsync() at the end of test, Enabled.
Using synchronous I/O mode
Doing random write test
Threads started!
Operations performed: 0 reads, 587300 writes, 46981 Other = 634281 Total
Read 0b Written 8.9615Gb Total transferred 8.9615Gb (2.5483Mb/sec)
163.09 Requests/sec executed
General statistics:
total time: 3601.1070s
total number of events: 587300
total time taken by event execution: 3275.3518s
response time:
min: 0.01ms
avg: 5.58ms
max: 5039.74ms
approx. 95 percentile: 0.35ms
Threads fairness:
events (avg/stddev): 73412.5000/1752.43
execution time (avg/stddev): 409.4190/13.51
--md: rndwr --thd:16
sysbench 0.5: multi-threaded system evaluation benchmark
Running the test with following options:
Number of threads: 16
Initializing random number generator from timer.
Random number generator seed is 0 and will be ignored
Extra file open flags: 0
8 files, 7.5Gb each
60Gb total file size
Block size 16Kb
Number of IO requests: 5000000
Read/Write ratio for combined random IO test: 1.50
Periodic FSYNC enabled, calling fsync() each 100 requests.
Calling fsync() at the end of test, Enabled.
Using synchronous I/O mode
Doing random write test
Threads started!
Operations performed: 0 reads, 571209 writes, 45696 Other = 616905 Total
Read 0b Written 8.716Gb Total transferred 8.716Gb (2.4786Mb/sec)
158.63 Requests/sec executed
General statistics:
total time: 3600.8609s
total number of events: 571209
total time taken by event execution: 17485.1288s
response time:
min: 0.01ms
avg: 30.61ms
max: 7086.46ms
approx. 95 percentile: 181.27ms
Threads fairness:
events (avg/stddev): 35700.5625/852.14
execution time (avg/stddev): 1092.8205/19.13
--md: rndwr --thd:32
sysbench 0.5: multi-threaded system evaluation benchmark
Running the test with following options:
Number of threads: 32
Initializing random number generator from timer.
Random number generator seed is 0 and will be ignored
Extra file open flags: 0
8 files, 7.5Gb each
60Gb total file size
Block size 16Kb
Number of IO requests: 5000000
Read/Write ratio for combined random IO test: 1.50
Periodic FSYNC enabled, calling fsync() each 100 requests.
Calling fsync() at the end of test, Enabled.
Using synchronous I/O mode
Doing random write test
Threads started!
Operations performed: 0 reads, 571800 writes, 45738 Other = 617538 Total
Read 0b Written 8.725Gb Total transferred 8.725Gb (2.4809Mb/sec)
158.78 Requests/sec executed
General statistics:
total time: 3601.3184s
total number of events: 571800
total time taken by event execution: 40792.2659s
response time:
min: 0.01ms
avg: 71.34ms
max: 6926.83ms
approx. 95 percentile: 554.81ms
Threads fairness:
events (avg/stddev): 17868.7500/564.98
execution time (avg/stddev): 1274.7583/18.44
--md: rndwr --thd:64
sysbench 0.5: multi-threaded system evaluation benchmark
Running the test with following options:
Number of threads: 64
Initializing random number generator from timer.
Random number generator seed is 0 and will be ignored
Extra file open flags: 0
8 files, 7.5Gb each
60Gb total file size
Block size 16Kb
Number of IO requests: 5000000
Read/Write ratio for combined random IO test: 1.50
Periodic FSYNC enabled, calling fsync() each 100 requests.
Calling fsync() at the end of test, Enabled.
Using synchronous I/O mode
Doing random write test
Threads started!
Operations performed: 0 reads, 561000 writes, 44879 Other = 605879 Total
Read 0b Written 8.5602Gb Total transferred 8.5602Gb (2.4337Mb/sec)
155.76 Requests/sec executed
General statistics:
total time: 3601.7830s
total number of events: 561000
total time taken by event execution: 64239.7691s
response time:
min: 0.01ms
avg: 114.51ms
max: 8741.60ms
approx. 95 percentile: 831.34ms
Threads fairness:
events (avg/stddev): 8765.6250/291.16
execution time (avg/stddev): 1003.7464/17.59
--md: rndrw --thd:1
sysbench 0.5: multi-threaded system evaluation benchmark
Running the test with following options:
Number of threads: 1
Initializing random number generator from timer.
Random number generator seed is 0 and will be ignored
Extra file open flags: 0
8 files, 7.5Gb each
60Gb total file size
Block size 16Kb
Number of IO requests: 5000000
Read/Write ratio for combined random IO test: 1.50
Periodic FSYNC enabled, calling fsync() each 100 requests.
Calling fsync() at the end of test, Enabled.
Using synchronous I/O mode
Doing random r/w test
Threads started!
Operations performed: 230412 reads, 153608 writes, 30720 Other = 414740 Total
Read 3.5158Gb Written 2.3439Gb Total transferred 5.8597Gb (1.6667Mb/sec)
106.67 Requests/sec executed
General statistics:
total time: 3600.0690s
total number of events: 384020
total time taken by event execution: 3415.1312s
response time:
min: 0.00ms
avg: 8.89ms
max: 2006.87ms
approx. 95 percentile: 25.72ms
Threads fairness:
events (avg/stddev): 384020.0000/0.00
execution time (avg/stddev): 3415.1312/0.00
--md: rndrw --thd:2
sysbench 0.5: multi-threaded system evaluation benchmark
Running the test with following options:
Number of threads: 2
Initializing random number generator from timer.
Random number generator seed is 0 and will be ignored
Extra file open flags: 0
8 files, 7.5Gb each
60Gb total file size
Block size 16Kb
Number of IO requests: 5000000
Read/Write ratio for combined random IO test: 1.50
Periodic FSYNC enabled, calling fsync() each 100 requests.
Calling fsync() at the end of test, Enabled.
Using synchronous I/O mode
Doing random r/w test
Threads started!
Operations performed: 302506 reads, 201670 writes, 40328 Other = 544504 Total
Read 4.6159Gb Written 3.0772Gb Total transferred 7.6931Gb (2.1882Mb/sec)
140.05 Requests/sec executed
General statistics:
total time: 3600.0978s
total number of events: 504176
total time taken by event execution: 6521.9616s
response time:
min: 0.00ms
avg: 12.94ms
max: 1942.90ms
approx. 95 percentile: 35.96ms
Threads fairness:
events (avg/stddev): 252088.0000/896.00
execution time (avg/stddev): 3260.9808/0.41
--md: rndrw --thd:4
sysbench 0.5: multi-threaded system evaluation benchmark
Running the test with following options:
Number of threads: 4
Initializing random number generator from timer.
Random number generator seed is 0 and will be ignored
Extra file open flags: 0
8 files, 7.5Gb each
60Gb total file size
Block size 16Kb
Number of IO requests: 5000000
Read/Write ratio for combined random IO test: 1.50
Periodic FSYNC enabled, calling fsync() each 100 requests.
Calling fsync() at the end of test, Enabled.
Using synchronous I/O mode
Doing random r/w test
Threads started!
Operations performed: 387646 reads, 258428 writes, 51680 Other = 697754 Total
Read 5.915Gb Written 3.9433Gb Total transferred 9.8583Gb (2.8039Mb/sec)
179.45 Requests/sec executed
General statistics:
total time: 3600.2561s
total number of events: 646074
total time taken by event execution: 11667.2414s
response time:
min: 0.01ms
avg: 18.06ms
max: 3667.02ms
approx. 95 percentile: 43.46ms
Threads fairness:
events (avg/stddev): 161518.5000/666.97
execution time (avg/stddev): 2916.8104/6.19
--md: rndrw --thd:8
sysbench 0.5: multi-threaded system evaluation benchmark
Running the test with following options:
Number of threads: 8
Initializing random number generator from timer.
Random number generator seed is 0 and will be ignored
Extra file open flags: 0
8 files, 7.5Gb each
60Gb total file size
Block size 16Kb
Number of IO requests: 5000000
Read/Write ratio for combined random IO test: 1.50
Periodic FSYNC enabled, calling fsync() each 100 requests.
Calling fsync() at the end of test, Enabled.
Using synchronous I/O mode
Doing random r/w test
Threads started!
Operations performed: 464340 reads, 309555 writes, 61904 Other = 835799 Total
Read 7.0853Gb Written 4.7234Gb Total transferred 11.809Gb (3.3588Mb/sec)
214.96 Requests/sec executed
General statistics:
total time: 3600.1324s
total number of events: 773895
total time taken by event execution: 22393.4208s
response time:
min: 0.00ms
avg: 28.94ms
max: 5324.60ms
approx. 95 percentile: 126.53ms
Threads fairness:
events (avg/stddev): 96736.8750/156.68
execution time (avg/stddev): 2799.1776/9.43
--md: rndrw --thd:16
sysbench 0.5: multi-threaded system evaluation benchmark
Running the test with following options:
Number of threads: 16
Initializing random number generator from timer.
Random number generator seed is 0 and will be ignored
Extra file open flags: 0
8 files, 7.5Gb each
60Gb total file size
Block size 16Kb
Number of IO requests: 5000000
Read/Write ratio for combined random IO test: 1.50
Periodic FSYNC enabled, calling fsync() each 100 requests.
Calling fsync() at the end of test, Enabled.
Using synchronous I/O mode
Doing random r/w test
Threads started!
Operations performed: 512961 reads, 341969 writes, 68392 Other = 923322 Total
Read 7.8272Gb Written 5.218Gb Total transferred 13.045Gb (3.7099Mb/sec)
237.44 Requests/sec executed
General statistics:
total time: 3600.6710s
total number of events: 854930
total time taken by event execution: 43805.5505s
response time:
min: 0.00ms
avg: 51.24ms
max: 7164.57ms
approx. 95 percentile: 296.34ms
Threads fairness:
events (avg/stddev): 53433.1250/566.27
execution time (avg/stddev): 2737.8469/13.75
--md: rndrw --thd:32
sysbench 0.5: multi-threaded system evaluation benchmark
Running the test with following options:
Number of threads: 32
Initializing random number generator from timer.
Random number generator seed is 0 and will be ignored
Extra file open flags: 0
8 files, 7.5Gb each
60Gb total file size
Block size 16Kb
Number of IO requests: 5000000
Read/Write ratio for combined random IO test: 1.50
Periodic FSYNC enabled, calling fsync() each 100 requests.
Calling fsync() at the end of test, Enabled.
Using synchronous I/O mode
Doing random r/w test
Threads started!
Operations performed: 566414 reads, 377594 writes, 75520 Other = 1019528 Total
Read 8.6428Gb Written 5.7616Gb Total transferred 14.404Gb (4.096Mb/sec)
262.15 Requests/sec executed
General statistics:
total time: 3601.0904s
total number of events: 944008
total time taken by event execution: 92944.8030s
response time:
min: 0.00ms
avg: 98.46ms
max: 8196.86ms
approx. 95 percentile: 622.21ms
Threads fairness:
events (avg/stddev): 29500.2500/399.85
execution time (avg/stddev): 2904.5251/23.33
--md: rndrw --thd:64
sysbench 0.5: multi-threaded system evaluation benchmark
Running the test with following options:
Number of threads: 64
Initializing random number generator from timer.
Random number generator seed is 0 and will be ignored
Extra file open flags: 0
8 files, 7.5Gb each
60Gb total file size
Block size 16Kb
Number of IO requests: 5000000
Read/Write ratio for combined random IO test: 1.50
Periodic FSYNC enabled, calling fsync() each 100 requests.
Calling fsync() at the end of test, Enabled.
Using synchronous I/O mode
Doing random r/w test
Threads started!
Operations performed: 621651 reads, 414427 writes, 82608 Other = 1118686 Total
Read 9.4856Gb Written 6.3237Gb Total transferred 15.809Gb (4.4957Mb/sec)
287.72 Requests/sec executed
General statistics:
total time: 3600.9542s
total number of events: 1036078
total time taken by event execution: 197519.5023s
response time:
min: 0.00ms
avg: 190.64ms
max: 6254.21ms
approx. 95 percentile: 1098.86ms
Threads fairness:
events (avg/stddev): 16188.7188/252.22
execution time (avg/stddev): 3086.2422/20.70
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