[[PageOutline]] = GPFS Performance Report (Uses bonnie++ command) = rock, wade, 阿碩 [[BR]] [[BR]] == Machine Informance == ||Node ||8 nodes (1 server , 7 client provide disks)|| ||CPU ||Intel(R) Core(TM)2 Quad CPU Q6600 @ 2.40GHz (each node)|| ||Memory ||2GB DDR2 667 (each node)|| ||Disk ||320G+160G (each node), All nodes: (320G+ 160G) * 7 = 3.36T|| ||NIC ||Intel Corporation 82566DM Gigabit Network Connection|| ||Switch ||D-link 24 port GE switch|| [[BR]] [[BR]] = Command Introduction = == Offical Web == http://www.iozone.org/ [[BR]] Documentation：[http://www.iozone.org/docs/IOzone_msword_98.pdf PDF]、[http://www.iozone.org/docs/Iozone_ps.gz Postscript gzip]、[http://www.iozone.org/docs/IOzone_msword_98.doc MS Word Doc] [[BR]] == Description == IOzone是一套檔案系統的 benchmark。 [[BR]] == Installation == {{{ sudo apt-get install iozone3 }}} [[BR]] == Synopsis == {{{ iozone [-s filesize_Kb] [-r record_size_Kb] [-f [path]filename] [-h] [-i test] [-E] [-p] [-a] [-A] [-z] [-Z] [-m] [-M] [-t children] [-l min_number_procs] [-u max_number_procs] [-v] [-R] [-x] [-o] [-d microseconds] [-F path1 path2...] [-V pattern] [-j stride] [-T] [-C] [-B] [-D] [-G] [-I] [-H depth] [-k depth] [-U mount_point] [-S cache_size] [-O] [-L cacheline_size] [-K] [-g maxfilesize_Kb] [-n minfilesize_Kb] [-N] [-Q] [-P start_cpu] [-e] [-c] [-b Excel.xls] [-J milliseconds] [-X write_telemetry_filename] [-w] [-W] [-Y read_telemetry_filename] [-y minrecsize_Kb] [-q maxrecsize_Kb] [-+u] [-+m cluster_filename] [-+d] [-+x multiplier] [-+p # ] [-+r] [-+t] [-+X] [-+Z] -a Auto mode -A Auto2 mode -b Filename Create Excel worksheet file -B Use mmap() files -c Include close in the timing calculations -C Show bytes transferred by each child in throughput testing -d # Microsecond delay out of barrier -D Use msync(MS_ASYNC) on mmap files -e Include flush (fsync,fflush) in the timing calculations -E Run extension tests -f filename to use -F filenames for each process/thread in throughput test -g # Set maximum file size (in Kbytes) for auto mode (or #m or #g) -G Use msync(MS_SYNC) on mmap files -h help -H # Use POSIX async I/O with # async operations -i # Test to run (0=write/rewrite, 1=read/re-read, 2=random-read/write 3=Read-backwards, 4=Re-write-record, 5=stride-read, 6=fwrite/re-fwrite 7=fread/Re-fread, 8=random_mix, 9=pwrite/Re-pwrite, 10=pread/Re-pread 11=pwritev/Re-pwritev, 12=preadv/Re-preadv) -I Use VxFS VX_DIRECT, O_DIRECT,or O_DIRECTIO for all file operations -j # Set stride of file accesses to (# * record size) -J # milliseconds of compute cycle before each I/O operation -k # Use POSIX async I/O (no bcopy) with # async operations -K Create jitter in the access pattern for readers -l # Lower limit on number of processes to run -L # Set processor cache line size to value (in bytes) -m Use multiple buffers -M Report uname -a output -n # Set minimum file size (in Kbytes) for auto mode (or #m or #g) -N Report results in microseconds per operation -o Writes are synch (O_SYNC) -O Give results in ops/sec. -p Purge on -P # Bind processes/threads to processors, starting with this cpu -q # Set maximum record size (in Kbytes) for auto mode (or #m or #g) -Q Create offset/latency files -r # record size in Kb or -r #k .. size in Kb or -r #m .. size in Mb or -r #g .. size in Gb -R Generate Excel report -s # file size in Kb or -s #k .. size in Kb or -s #m .. size in Mb or -s #g .. size in Gb -S # Set processor cache size to value (in Kbytes) -t # Number of threads or processes to use in throughput test -T Use POSIX pthreads for throughput tests -u # Upper limit on number of processes to run -U Mount point to remount between tests -v version information -V # Verify data pattern write/read -w Do not unlink temporary file -W Lock file when reading or writing -x Turn off stone-walling -X filename Write telemetry file. Contains lines with (offset reclen compute_time) in ascii -y # Set minimum record size (in Kbytes) for auto mode (or #m or #g) -Y filename Read telemetry file. Contains lines with (offset reclen compute_time) in ascii -z Used in conjunction with -a to test all possible record sizes -Z Enable mixing of mmap I/O and file I/O -+K Sony special. Manual control of test 8. -+m Cluster_filename Enable Cluster testing -+d File I/O diagnostic mode. (To troubleshoot a broken file I/O subsystem) -+u Enable CPU utilization output (Experimental) -+x # Multiplier to use for incrementing file and record sizes -+p # Percentage of mix to be reads -+r Enable O_RSYNC|O_SYNC for all testing. -+t Enable network performance test. Requires -+m -+n No retests selected. -+k Use constant aggregate data set size. -+q Delay in seconds between tests. -+l Enable record locking mode. -+L Enable record locking mode, with shared file. -+B Sequential mixed workload. -+D Enable O_DSYNC mode. -+A # Enable madvise. 0 = normal, 1=random, 2=sequential 3=dontneed, 4=willneed -+V Enable shared file. No locking. -+X Enable short circuit mode for filesystem testing ONLY ALL Results are NOT valid in this mode. -+Z Enable old data set compatibility mode. WARNING.. Published hacks may invalidate these results and generate bogus, high values for results. }}} [[BR]] [[BR]] = GPFS Performance = == Parameters Comments == * records sizes =4KB to 16MB * sizes = 4KB to 16GB == Compare == |||| 寫入-per char(K/sec) || 寫入-block(K/sec) || 覆寫(K/sec) || 讀取-per char(K/sec) || 讀取-block(K/sec) || 隨機讀取(K/sec) || || 8 Nodes, No Replicate, Adjust Parameters || 58779 || 105491 || 21720 || 50114 || 74658 || 55.4 || || 8 Nodes, Replicate, Adjust Parameters || 52540 || 52879 || 20592 || 53244 || 79776 || 51.4 || [[Image(GPFS_compare.png)]]