[root@lard-oss-2 bin]# ./xdd.linux -op read -targets 1 /dev/sdc -queuedepth 1 -blocksize 512 -reqsize 2048 -mbytes 131072 -passes 2 -verbose
IOIOIOIOIOIOIOIOIOIOI XDD version 6.5.013007.0001 IOIOIOIOIOIOIOIOIOIOIOI xdd - I/O Performance Inc. Copyright 1992-2007 Starting time for this run, Wed Mar 23 12:40:56 2016 ID for this run, 'No ID Specified' Maximum Process Priority, disabled Passes, 2 Pass Delay in seconds, 0 Maximum Error Threshold, 0 Target Offset, 0 I/O Synchronization, 0 Total run-time limit in seconds, 0 Output file name, stdout CSV output file name, Error output file name, stderr Pass seek randomization, disabled File write synchronization, disabled Pass synchronization barriers, enabled Number of Targets, 1 Number of I/O Threads, 1 Computer Name, lard-oss-2, User Name, root OS release and version, Linux 2.6.32-573.el6.x86_64 #1 SMP Wed Jul 1 18:23:37 EDT 2015 Machine hardware type, x86_64 Number of processors on this system, 1 Page size in bytes, 4096 Number of physical pages, 16466417 Megabytes of physical memory, 64321 Seconds before starting, 0 Target[0] Q[0], /dev/sdc Target directory, "./" Process ID, 62788 Thread ID, 1935042304 Processor, all/any Read/write ratio, 100.00, 0.00 Throttle in MB/sec, 0.00 Per-pass time limit in seconds, 0 Blocksize in bytes, 512 Request size, 2048, blocks, 1048576, bytes Number of Requests, 131072 Start offset, 0 Number of MegaBytes, 131072 Pass Offset in blocks, 0 I/O memory buffer is a normal memory buffer I/O memory buffer alignment in bytes, 4096 Data pattern in buffer, '0x00' Data buffer verification is disabled. Direct I/O, disabled Seek pattern, sequential Seek range, 1048576 Preallocation, 0 Queue Depth, 1 Timestamping, disabled Delete file, disabled
# # # READ # # # T Q Bytes Ops Time Rate IOPS Latency %CPU OP_Type ReqSize TARGET PASS0001 0 1 137438953472 131072 104.568 1314.347 1253.46 0.0008 0.01 read 1048576 TARGET PASS0002 0 1 137438953472 131072 106.236 1293.711 1233.78 0.0008 0.01 read 1048576 TARGET Average 0 1 274877906944 262144 210.804 1303.947 1243.54 0.0008 0.01 read 1048576 Combined 1 1 274877906944 262144 210.804 1303.947 1243.54 0.0008 0.01 read 1048576 Ending time for this run, Wed Mar 23 12:44:35 2016 # # # WRITE # # # T Q Bytes Ops Time Rate IOPS Latency %CPU OP_Type ReqSize TARGET PASS0001 0 1 137438953472 131072 107.135 1282.854 1223.42 0.0008 0.01 write 1048576 TARGET PASS0002 0 1 137438953472 131072 111.609 1231.435 1174.39 0.0009 0.01 write 1048576 TARGET Average 0 1 274877906944 262144 218.744 1256.618 1198.40 0.0008 0.01 write 1048576 Combined 1 1 274877906944 262144 218.744 1256.618 1198.40 0.0008 0.01 write 1048576 Ending time for this run, Wed Mar 23 12:56:52 2016
# # # READ # # # T Q Bytes Ops Time Rate IOPS Latency %CPU OP_Type ReqSize TARGET PASS0001 0 1 137438953472 131072 106.361 1292.194 1232.33 0.0008 0.01 read 1048576 TARGET PASS0002 0 1 137438953472 131072 107.954 1273.129 1214.15 0.0008 0.01 read 1048576 TARGET Average 0 1 274877906944 262144 214.315 1282.590 1223.17 0.0008 0.01 read 1048576 Combined 1 1 274877906944 262144 214.315 1282.590 1223.17 0.0008 0.01 read 1048576 Ending time for this run, Wed Mar 23 13:12:35 2016 # # # WRITE # # # T Q Bytes Ops Time Rate IOPS Latency %CPU OP_Type ReqSize TARGET PASS0001 0 1 137438953472 131072 106.162 1294.617 1234.64 0.0008 0.01 write 1048576 TARGET PASS0002 0 1 137438953472 131072 126.718 1084.607 1034.36 0.0010 0.01 write 1048576 TARGET Average 0 1 274877906944 262144 232.880 1180.343 1125.66 0.0009 0.01 write 1048576 Combined 1 1 274877906944 262144 232.880 1180.343 1125.66 0.0009 0.01 write 1048576 Ending time for this run, Wed Mar 23 13:17:36 2016
cd /mnt/sdX; /tmp/root/iozone3_434/src/current/iozone -ec -t 1 -r 1M -s 128g -+n -i 0 -i 1
Iozone: Performance Test of File I/O Version $Revision: 1.5 $ Compiled for 64 bit mode. Build: linux Contributors:William Norcott, Don Capps, Isom Crawford, Kirby Collins Al Slater, Scott Rhine, Mike Wisner, Ken Goss Steve Landherr, Brad Smith, Mark Kelly, Dr. Alain CYR, Randy Dunlap, Mark Montague, Dan Million, Gavin Brebner, Jean-Marc Zucconi, Jeff Blomberg, Benny Halevy, Dave Boone, Erik Habbinga, Kris Strecker, Walter Wong, Joshua Root, Fabrice Bacchella, Zhenghua Xue, Qin Li, Darren Sawyer, Vangel Bojaxhi, Ben England, Vikentsi Lapa, Alexey Skidanov. Run began: Wed Mar 23 14:08:22 2016 Include fsync in write timing Include close in write timing Record Size 1024 kB File size set to 134217728 kB No retest option selected Command line used: /tmp/root/iozone3_434/src/current/iozone -ec -t 1 -r 1M -s 128g -+n -i 0 -i 1 Output is in kBytes/sec Time Resolution = 0.000001 seconds. Processor cache size set to 1024 kBytes. Processor cache line size set to 32 bytes. File stride size set to 17 * record size. Throughput test with 1 process Each process writes a 134217728 kByte file in 1024 kByte records
Children see throughput for 1 initial writers = 866563.56 kB/sec Parent sees throughput for 1 initial writers = 866562.16 kB/sec Min throughput per process = 866563.56 kB/sec Max throughput per process = 866563.56 kB/sec Avg throughput per process = 866563.56 kB/sec Min xfer = 134217728.00 kB Children see throughput for 1 readers = 451720.44 kB/sec Parent sees throughput for 1 readers = 451720.04 kB/sec Min throughput per process = 451720.44 kB/sec Max throughput per process = 451720.44 kB/sec Avg throughput per process = 451720.44 kB/sec Min xfer = 134217728.00 kB
mkfs.ext4 -j -m0 -E stride=16 -E stripe-width=112 /dev/sdd
Run began: Fri Apr 1 13:34:14 2016 Include fsync in write timing Include close in write timing Record Size 1024 kB File size set to 134217728 kB No retest option selected Command line used: /tmp/root/iozone3_434/src/current/iozone -ec -t 1 -r 1M -s 128g -+n -i 0 -i 1 Output is in kBytes/sec Time Resolution = 0.000001 seconds. Processor cache size set to 1024 kBytes. Processor cache line size set to 32 bytes. File stride size set to 17 * record size. Throughput test with 1 process Each process writes a 134217728 kByte file in 1024 kByte records Children see throughput for 1 initial writers = 887660.19 kB/sec Parent sees throughput for 1 initial writers = 887658.92 kB/sec Min throughput per process = 887660.19 kB/sec Max throughput per process = 887660.19 kB/sec Avg throughput per process = 887660.19 kB/sec Min xfer = 134217728.00 kB Children see throughput for 1 readers = 496098.31 kB/sec Parent sees throughput for 1 readers = 496097.82 kB/sec Min throughput per process = 496098.31 kB/sec Max throughput per process = 496098.31 kB/sec Avg throughput per process = 496098.31 kB/sec Min xfer = 134217728.00 kB