| | 1 | |
| | 2 | = GPFS Performance Report (Uses gpfsperf Command) = |
| | 3 | |
| | 4 | rock, rock@nchc.org.tw |
| | 5 | |
| | 6 | [[BR]] |
| | 7 | [[BR]] |
| | 8 | == Machine Informance == |
| | 9 | Node |
| | 10 | 8 nodes (1 server , 7 client provide disks) |
| | 11 | CPU |
| | 12 | Intel(R) Core(TM)2 Quad CPU Q6600 @ 2.40GHz (each node) |
| | 13 | Memory |
| | 14 | 2GB DDR2 667 (each node) |
| | 15 | Disk |
| | 16 | 320G+160G (each node) |
| | 17 | All nodes: WD 320G * 7 + 160G * 7 = 3.36T |
| | 18 | NIC |
| | 19 | Intel Corporation 82566DM Gigabit Network Connection |
| | 20 | Switch |
| | 21 | D-link 24 port GE switch |
| | 22 | |
| | 23 | |
| | 24 | |
| | 25 | 1. 8 Nodes, Replicate, Adjust Parameters |
| | 26 | |
| | 27 | Context: Create 16G data (sequence) |
| | 28 | gpfs-server:/usr/lpp/mmfs/samples/perf# ./gpfsperf create seq /home/gpfs_mount/gpfsperf_16G -n 16g -r 1m |
| | 29 | ./gpfsperf create seq /home/gpfs_mount/gpfsperf_16G |
| | 30 | recSize 1M nBytes 16G fileSize 16G |
| | 31 | nProcesses 1 nThreadsPerProcess 1 |
| | 32 | file cache flushed before test |
| | 33 | not using data shipping |
| | 34 | not using direct I/O |
| | 35 | offsets accessed will cycle through the same file segment |
| | 36 | not using shared memory buffer |
| | 37 | not releasing byte-range token after open |
| | 38 | no fsync at end of test |
| | 39 | Data rate was 54649.55 Kbytes/sec, thread utilization 1.000 |
| | 40 | |
| | 41 | Context: Read 16G data (sequence) |
| | 42 | gpfs-server:/usr/lpp/mmfs/samples/perf# ./gpfsperf read seq /home/gpfs_mount/gpfsperf_16G -n 16g -r 1m |
| | 43 | ./gpfsperf read seq /home/gpfs_mount/gpfsperf_16G |
| | 44 | recSize 1M nBytes 16G fileSize 16G |
| | 45 | nProcesses 1 nThreadsPerProcess 1 |
| | 46 | file cache flushed before test |
| | 47 | not using data shipping |
| | 48 | not using direct I/O |
| | 49 | offsets accessed will cycle through the same file segment |
| | 50 | not using shared memory buffer |
| | 51 | not releasing byte-range token after open |
| | 52 | Data rate was 83583.30 Kbytes/sec, thread utilization 1.000 |
| | 53 | |
| | 54 | Context: Write 16G data (sequence) |
| | 55 | gpfs-server:/usr/lpp/mmfs/samples/perf# ./gpfsperf write seq /home/gpfs_mount/gpfsperf_16G -n 16g -r 1m |
| | 56 | ./gpfsperf write seq /home/gpfs_mount/gpfsperf_16G |
| | 57 | recSize 1M nBytes 16G fileSize 16G |
| | 58 | nProcesses 1 nThreadsPerProcess 1 |
| | 59 | file cache flushed before test |
| | 60 | not using data shipping |
| | 61 | not using direct I/O |
| | 62 | offsets accessed will cycle through the same file segment |
| | 63 | not using shared memory buffer |
| | 64 | not releasing byte-range token after open |
| | 65 | no fsync at end of test |
| | 66 | Data rate was 50898.76 Kbytes/sec, thread utilization 1.000 |
| | 67 | |
| | 68 | |
| | 69 | |
| | 70 | 2. 8 Nodes, No Replicate, Adjust Parameters |
| | 71 | |
| | 72 | Context: Create 16G data (sequence) |
| | 73 | gpfs-server:/usr/lpp/mmfs/samples/perf# ./gpfsperf create seq /home/gpfs_mount/gpfsperf_16G_2 -n 16g -r 1m |
| | 74 | ./gpfsperf create seq /home/gpfs_mount/gpfsperf_16G_2 |
| | 75 | recSize 1M nBytes 16G fileSize 16G |
| | 76 | nProcesses 1 nThreadsPerProcess 1 |
| | 77 | file cache flushed before test |
| | 78 | not using data shipping |
| | 79 | not using direct I/O |
| | 80 | offsets accessed will cycle through the same file segment |
| | 81 | not using shared memory buffer |
| | 82 | not releasing byte-range token after open |
| | 83 | no fsync at end of test |
| | 84 | Data rate was 108330.24 Kbytes/sec, thread utilization 1.000 |
| | 85 | |
| | 86 | Context: Read 16G data (sequence) |
| | 87 | gpfs-server:/usr/lpp/mmfs/samples/perf# ./gpfsperf read seq /home/gpfs_mount/gpfsperf_16G_2 -n 16g -r 1m |
| | 88 | ./gpfsperf read seq /home/gpfs_mount/gpfsperf_16G_2 |
| | 89 | recSize 1M nBytes 16G fileSize 16G |
| | 90 | nProcesses 1 nThreadsPerProcess 1 |
| | 91 | file cache flushed before test |
| | 92 | not using data shipping |
| | 93 | not using direct I/O |
| | 94 | offsets accessed will cycle through the same file segment |
| | 95 | not using shared memory buffer |
| | 96 | not releasing byte-range token after open |
| | 97 | Data rate was 82420.96 Kbytes/sec, thread utilization 1.000 |
| | 98 | |
| | 99 | Context: Write 16G data (sequence) |
| | 100 | gpfs-server:/usr/lpp/mmfs/samples/perf# ./gpfsperf write seq /home/gpfs_mount/gpfsperf_16G_2 -n 16g -r 1m |
| | 101 | ./gpfsperf write seq /home/gpfs_mount/gpfsperf_16G_2 |
| | 102 | recSize 1M nBytes 16G fileSize 16G |
| | 103 | nProcesses 1 nThreadsPerProcess 1 |
| | 104 | file cache flushed before test |
| | 105 | not using data shipping |
| | 106 | not using direct I/O |
| | 107 | offsets accessed will cycle through the same file segment |
| | 108 | not using shared memory buffer |
| | 109 | not releasing byte-range token after open |
| | 110 | no fsync at end of test |
| | 111 | Data rate was 108820.45 Kbytes/sec, thread utilization 1.000 |
| | 112 | |
| | 113 | |
| | 114 | |
| | 115 | 3. Multi-thread |
| | 116 | 3.1 Create Operation |
| | 117 | |
| | 118 | Context: Create 16G data, 1 thread |
| | 119 | gpfs-server:/usr/lpp/mmfs/samples/perf# ./gpfsperf create seq /home/gpfs_mount/gpfsperf_16G_3 -n 16g -r 1m -th 1 |
| | 120 | ./gpfsperf create seq /home/gpfs_mount/gpfsperf_16G_3 |
| | 121 | recSize 1M nBytes 16G fileSize 16G |
| | 122 | nProcesses 1 nThreadsPerProcess 1 |
| | 123 | file cache flushed before test |
| | 124 | not using data shipping |
| | 125 | not using direct I/O |
| | 126 | offsets accessed will cycle through the same file segment |
| | 127 | not using shared memory buffer |
| | 128 | not releasing byte-range token after open |
| | 129 | no fsync at end of test |
| | 130 | Data rate was 50800.95 Kbytes/sec, thread utilization 1.000 |
| | 131 | |
| | 132 | Context: Create 16G data, 2 thread |
| | 133 | gpfs-server:/usr/lpp/mmfs/samples/perf# ./gpfsperf create seq /home/gpfs_mount/gpfsperf_16G_3 -n 16g -r 1m -th 2 |
| | 134 | ./gpfsperf create seq /home/gpfs_mount/gpfsperf_16G_3 |
| | 135 | recSize 1M nBytes 16G fileSize 16G |
| | 136 | nProcesses 1 nThreadsPerProcess 2 |
| | 137 | file cache flushed before test |
| | 138 | not using data shipping |
| | 139 | not using direct I/O |
| | 140 | offsets accessed will cycle through the same file segment |
| | 141 | not using shared memory buffer |
| | 142 | not releasing byte-range token after open |
| | 143 | no fsync at end of test |
| | 144 | Data rate was 50297.13 Kbytes/sec, thread utilization 0.999 |
| | 145 | |
| | 146 | Context: Create 16G data, 4 thread |
| | 147 | gpfs-server:/usr/lpp/mmfs/samples/perf# ./gpfsperf create seq /home/gpfs_mount/gpfsperf_16G_3 -n 16g -r 1m -th 4 |
| | 148 | ./gpfsperf create seq /home/gpfs_mount/gpfsperf_16G_3 |
| | 149 | recSize 1M nBytes 16G fileSize 16G |
| | 150 | nProcesses 1 nThreadsPerProcess 4 |
| | 151 | file cache flushed before test |
| | 152 | not using data shipping |
| | 153 | not using direct I/O |
| | 154 | offsets accessed will cycle through the same file segment |
| | 155 | not using shared memory buffer |
| | 156 | not releasing byte-range token after open |
| | 157 | no fsync at end of test |
| | 158 | Data rate was 50848.45 Kbytes/sec, thread utilization 0.998 |
| | 159 | |
| | 160 | Context: Create 16G data, 8 thread |
| | 161 | gpfs-server:/usr/lpp/mmfs/samples/perf# ./gpfsperf create seq /home/gpfs_mount/gpfsperf_16G_3 -n 16g -r 1m -th 8 |
| | 162 | ./gpfsperf create seq /home/gpfs_mount/gpfsperf_16G_3 |
| | 163 | recSize 1M nBytes 16G fileSize 16G |
| | 164 | nProcesses 1 nThreadsPerProcess 8 |
| | 165 | file cache flushed before test |
| | 166 | not using data shipping |
| | 167 | not using direct I/O |
| | 168 | offsets accessed will cycle through the same file segment |
| | 169 | not using shared memory buffer |
| | 170 | not releasing byte-range token after open |
| | 171 | no fsync at end of test |
| | 172 | Data rate was 50469.88 Kbytes/sec, thread utilization 0.963 |
| | 173 | |
| | 174 | Context: Create 16G data, 16 thread |
| | 175 | gpfs-server:/usr/lpp/mmfs/samples/perf# ./gpfsperf create seq /home/gpfs_mount/gpfsperf_16G_3 -n 16g -r 1m -th 16 |
| | 176 | ./gpfsperf create seq /home/gpfs_mount/gpfsperf_16G_3 |
| | 177 | recSize 1M nBytes 16G fileSize 16G |
| | 178 | nProcesses 1 nThreadsPerProcess 16 |
| | 179 | file cache flushed before test |
| | 180 | not using data shipping |
| | 181 | not using direct I/O |
| | 182 | offsets accessed will cycle through the same file segment |
| | 183 | not using shared memory buffer |
| | 184 | not releasing byte-range token after open |
| | 185 | no fsync at end of test |
| | 186 | Data rate was 52578.33 Kbytes/sec, thread utilization 0.919 |
| | 187 | |
| | 188 | Context: Create 16G data, 32 thread |
| | 189 | gpfs-server:/usr/lpp/mmfs/samples/perf# ./gpfsperf create seq /home/gpfs_mount/gpfsperf_16G_3 -n 16g -r 1m -th 32 |
| | 190 | ./gpfsperf create seq /home/gpfs_mount/gpfsperf_16G_3 |
| | 191 | recSize 1M nBytes 16G fileSize 16G |
| | 192 | nProcesses 1 nThreadsPerProcess 32 |
| | 193 | file cache flushed before test |
| | 194 | not using data shipping |
| | 195 | not using direct I/O |
| | 196 | offsets accessed will cycle through the same file segment |
| | 197 | not using shared memory buffer |
| | 198 | not releasing byte-range token after open |
| | 199 | no fsync at end of test |
| | 200 | Data rate was 53107.28 Kbytes/sec, thread utilization 0.966 |
| | 201 | |
| | 202 | Context: Create 16G data, 64 thread |
| | 203 | gpfs-server:/usr/lpp/mmfs/samples/perf# ./gpfsperf create seq /home/gpfs_mount/gpfsperf_16G_3 -n 16g -r 1m -th 64 |
| | 204 | ./gpfsperf create seq /home/gpfs_mount/gpfsperf_16G_3 |
| | 205 | recSize 1M nBytes 16G fileSize 16G |
| | 206 | nProcesses 1 nThreadsPerProcess 64 |
| | 207 | file cache flushed before test |
| | 208 | not using data shipping |
| | 209 | not using direct I/O |
| | 210 | offsets accessed will cycle through the same file segment |
| | 211 | not using shared memory buffer |
| | 212 | not releasing byte-range token after open |
| | 213 | no fsync at end of test |
| | 214 | Data rate was 53019.53 Kbytes/sec, thread utilization 0.978 |
| | 215 | |
| | 216 | |
| | 217 | 3.2 Read Operation |
| | 218 | |
| | 219 | Context: Read 16G data, 1 thread |
| | 220 | gpfs-server:/usr/lpp/mmfs/samples/perf# ./gpfsperf read seq /home/gpfs_mount/gpfsperf_16G_3 -r 1m -n 16g -th 1 |
| | 221 | |
| | 222 | ./gpfsperf read seq /home/gpfs_mount/gpfsperf_16G_3 |
| | 223 | |
| | 224 | recSize 1M nBytes 16G fileSize 16G |
| | 225 | |
| | 226 | nProcesses 1 nThreadsPerProcess 1 |
| | 227 | |
| | 228 | file cache flushed before test |
| | 229 | |
| | 230 | not using data shipping |
| | 231 | |
| | 232 | not using direct I/O |
| | 233 | |
| | 234 | offsets accessed will cycle through the same file segment |
| | 235 | |
| | 236 | not using shared memory buffer |
| | 237 | |
| | 238 | not releasing byte-range token after open |
| | 239 | |
| | 240 | Data rate was 81685.18 Kbytes/sec, thread utilization 1.000 |
| | 241 | |
| | 242 | |
| | 243 | Context: Read 16G data, 2 thread |
| | 244 | gpfs-server:/usr/lpp/mmfs/samples/perf# ./gpfsperf read seq /home/gpfs_mount/gpfsperf_16G_3 -r 1m -n 16g -th 2 |
| | 245 | |
| | 246 | ./gpfsperf read seq /home/gpfs_mount/gpfsperf_16G_3 |
| | 247 | |
| | 248 | recSize 1M nBytes 16G fileSize 16G |
| | 249 | |
| | 250 | nProcesses 1 nThreadsPerProcess 2 |
| | 251 | |
| | 252 | file cache flushed before test |
| | 253 | |
| | 254 | not using data shipping |
| | 255 | |
| | 256 | not using direct I/O |
| | 257 | |
| | 258 | offsets accessed will cycle through the same file segment |
| | 259 | |
| | 260 | not using shared memory buffer |
| | 261 | |
| | 262 | not releasing byte-range token after open |
| | 263 | |
| | 264 | Data rate was 90844.61 Kbytes/sec, thread utilization 0.999 |
| | 265 | |
| | 266 | |
| | 267 | Context: Read 16G data, 4 thread |
| | 268 | gpfs-server:/usr/lpp/mmfs/samples/perf# ./gpfsperf read seq /home/gpfs_mount/gpfsperf_16G_3 -r 1m -n 16g -th 4 |
| | 269 | |
| | 270 | ./gpfsperf read seq /home/gpfs_mount/gpfsperf_16G_3 |
| | 271 | |
| | 272 | recSize 1M nBytes 16G fileSize 16G |
| | 273 | |
| | 274 | nProcesses 1 nThreadsPerProcess 4 |
| | 275 | |
| | 276 | file cache flushed before test |
| | 277 | |
| | 278 | not using data shipping |
| | 279 | |
| | 280 | not using direct I/O |
| | 281 | |
| | 282 | offsets accessed will cycle through the same file segment |
| | 283 | |
| | 284 | not using shared memory buffer |
| | 285 | |
| | 286 | not releasing byte-range token after open |
| | 287 | |
| | 288 | Data rate was 89538.89 Kbytes/sec, thread utilization 0.997 |
| | 289 | |
| | 290 | |
| | 291 | Context: Read 16G data, 8 thread |
| | 292 | gpfs-server:/usr/lpp/mmfs/samples/perf# ./gpfsperf read seq /home/gpfs_mount/gpfsperf_16G_3 -r 1m -n 16g -th 8 |
| | 293 | |
| | 294 | ./gpfsperf read seq /home/gpfs_mount/gpfsperf_16G_3 |
| | 295 | |
| | 296 | recSize 1M nBytes 16G fileSize 16G |
| | 297 | |
| | 298 | nProcesses 1 nThreadsPerProcess 8 |
| | 299 | |
| | 300 | file cache flushed before test |
| | 301 | |
| | 302 | not using data shipping |
| | 303 | |
| | 304 | not using direct I/O |
| | 305 | |
| | 306 | offsets accessed will cycle through the same file segment |
| | 307 | |
| | 308 | not using shared memory buffer |
| | 309 | |
| | 310 | not releasing byte-range token after open |
| | 311 | |
| | 312 | Data rate was 87044.97 Kbytes/sec, thread utilization 0.994 |
| | 313 | |
| | 314 | |
| | 315 | Context: Read 16G data, 16 thread |
| | 316 | gpfs-server:/usr/lpp/mmfs/samples/perf# ./gpfsperf read seq /home/gpfs_mount/gpfsperf_16G_3 -r 1m -n 16g -th 16 |
| | 317 | |
| | 318 | ./gpfsperf read seq /home/gpfs_mount/gpfsperf_16G_3 |
| | 319 | |
| | 320 | recSize 1M nBytes 16G fileSize 16G |
| | 321 | |
| | 322 | nProcesses 1 nThreadsPerProcess 16 |
| | 323 | |
| | 324 | file cache flushed before test |
| | 325 | |
| | 326 | not using data shipping |
| | 327 | |
| | 328 | not using direct I/O |
| | 329 | |
| | 330 | offsets accessed will cycle through the same file segment |
| | 331 | |
| | 332 | not using shared memory buffer |
| | 333 | |
| | 334 | not releasing byte-range token after open |
| | 335 | |
| | 336 | Data rate was 94899.75 Kbytes/sec, thread utilization 0.990 |
| | 337 | |
| | 338 | Context: Read 16G data, 32 thread |
| | 339 | gpfs-server:/usr/lpp/mmfs/samples/perf# ./gpfsperf read seq /home/gpfs_mount/gpfsperf_16G_3 -r 1m -n 16g -th 32 |
| | 340 | ./gpfsperf read seq /home/gpfs_mount/gpfsperf_16G_3 |
| | 341 | recSize 1M nBytes 16G fileSize 16G |
| | 342 | nProcesses 1 nThreadsPerProcess 32 |
| | 343 | file cache flushed before test |
| | 344 | not using data shipping |
| | 345 | not using direct I/O |
| | 346 | offsets accessed will cycle through the same file segment |
| | 347 | not using shared memory buffer |
| | 348 | not releasing byte-range token after open |
| | 349 | Data rate was 90657.18 Kbytes/sec, thread utilization 0.983 |
| | 350 | |
| | 351 | Context: Read 16G data, 64 thread |
| | 352 | gpfs-server:/usr/lpp/mmfs/samples/perf# ./gpfsperf read seq /home/gpfs_mount/gpfsperf_16G_3 -r 1m -n 16g -th 64 |
| | 353 | ./gpfsperf read seq /home/gpfs_mount/gpfsperf_16G_3 |
| | 354 | recSize 1M nBytes 16G fileSize 16G |
| | 355 | nProcesses 1 nThreadsPerProcess 64 |
| | 356 | file cache flushed before test |
| | 357 | not using data shipping |
| | 358 | not using direct I/O |
| | 359 | offsets accessed will cycle through the same file segment |
| | 360 | not using shared memory buffer |
| | 361 | not releasing byte-range token after open |
| | 362 | Data rate was 89751.67 Kbytes/sec, thread utilization 0.983 |
| | 363 | |
| | 364 | |
| | 365 | 3.3 Write Operation |
| | 366 | |
| | 367 | Context: Write 16G data, 1 thread |
| | 368 | gpfs-server:/usr/lpp/mmfs/samples/perf# ./gpfsperf write seq /home/gpfs_mount/gpfsperf_16G_3 -r 1m -n 16g -th 1 |
| | 369 | |
| | 370 | ./gpfsperf write seq /home/gpfs_mount/gpfsperf_16G_3 |
| | 371 | |
| | 372 | recSize 1M nBytes 16G fileSize 16G |
| | 373 | |
| | 374 | nProcesses 1 nThreadsPerProcess 1 |
| | 375 | |
| | 376 | file cache flushed before test |
| | 377 | |
| | 378 | not using data shipping |
| | 379 | |
| | 380 | not using direct I/O |
| | 381 | |
| | 382 | offsets accessed will cycle through the same file segment |
| | 383 | |
| | 384 | not using shared memory buffer |
| | 385 | |
| | 386 | not releasing byte-range token after open |
| | 387 | |
| | 388 | no fsync at end of test |
| | 389 | |
| | 390 | Data rate was 50819.17 Kbytes/sec, thread utilization 1.000 |
| | 391 | |
| | 392 | Context: Write 16G data, 2 thread |
| | 393 | gpfs-server:/usr/lpp/mmfs/samples/perf# ./gpfsperf write seq /home/gpfs_mount/gpfsperf_16G_3 -r 1m -n 16g -th 2 |
| | 394 | |
| | 395 | ./gpfsperf write seq /home/gpfs_mount/gpfsperf_16G_3 |
| | 396 | |
| | 397 | recSize 1M nBytes 16G fileSize 16G |
| | 398 | |
| | 399 | nProcesses 1 nThreadsPerProcess 2 |
| | 400 | |
| | 401 | file cache flushed before test |
| | 402 | |
| | 403 | not using data shipping |
| | 404 | |
| | 405 | not using direct I/O |
| | 406 | |
| | 407 | offsets accessed will cycle through the same file segment |
| | 408 | |
| | 409 | not using shared memory buffer |
| | 410 | |
| | 411 | not releasing byte-range token after open |
| | 412 | |
| | 413 | no fsync at end of test |
| | 414 | |
| | 415 | Data rate was 50588.81 Kbytes/sec, thread utilization 1.000 |
| | 416 | |
| | 417 | Context: Write 16G data, 4 thread |
| | 418 | gpfs-server:/usr/lpp/mmfs/samples/perf# ./gpfsperf write seq /home/gpfs_mount/gpfsperf_16G_3 -r 1m -n 16g -th 4 |
| | 419 | |
| | 420 | ./gpfsperf write seq /home/gpfs_mount/gpfsperf_16G_3 |
| | 421 | |
| | 422 | recSize 1M nBytes 16G fileSize 16G |
| | 423 | |
| | 424 | nProcesses 1 nThreadsPerProcess 4 |
| | 425 | |
| | 426 | file cache flushed before test |
| | 427 | |
| | 428 | not using data shipping |
| | 429 | |
| | 430 | not using direct I/O |
| | 431 | |
| | 432 | offsets accessed will cycle through the same file segment |
| | 433 | |
| | 434 | not using shared memory buffer |
| | 435 | |
| | 436 | not releasing byte-range token after open |
| | 437 | |
| | 438 | no fsync at end of test |
| | 439 | |
| | 440 | Data rate was 50694.87 Kbytes/sec, thread utilization 0.999 |
| | 441 | |
| | 442 | |
| | 443 | Context: Write 16G data, 8 thread |
| | 444 | gpfs-server:/usr/lpp/mmfs/samples/perf# ./gpfsperf write seq /home/gpfs_mount/gpfsperf_16G_3 -r 1m -n 16g -th 8 |
| | 445 | |
| | 446 | ./gpfsperf write seq /home/gpfs_mount/gpfsperf_16G_3 |
| | 447 | |
| | 448 | recSize 1M nBytes 16G fileSize 16G |
| | 449 | |
| | 450 | nProcesses 1 nThreadsPerProcess 8 |
| | 451 | |
| | 452 | file cache flushed before test |
| | 453 | |
| | 454 | not using data shipping |
| | 455 | |
| | 456 | not using direct I/O |
| | 457 | |
| | 458 | offsets accessed will cycle through the same file segment |
| | 459 | |
| | 460 | not using shared memory buffer |
| | 461 | |
| | 462 | not releasing byte-range token after open |
| | 463 | |
| | 464 | no fsync at end of test |
| | 465 | |
| | 466 | Data rate was 51648.90 Kbytes/sec, thread utilization 0.985 |
| | 467 | |
| | 468 | |
| | 469 | Context: Write 16G data, 16 thread |
| | 470 | gpfs-server:/usr/lpp/mmfs/samples/perf# ./gpfsperf write seq /home/gpfs_mount/gpfsperf_16G_3 -r 1m -n 16g -th 16 |
| | 471 | |
| | 472 | ./gpfsperf write seq /home/gpfs_mount/gpfsperf_16G_3 |
| | 473 | |
| | 474 | recSize 1M nBytes 16G fileSize 16G |
| | 475 | |
| | 476 | nProcesses 1 nThreadsPerProcess 16 |
| | 477 | |
| | 478 | file cache flushed before test |
| | 479 | |
| | 480 | not using data shipping |
| | 481 | |
| | 482 | not using direct I/O |
| | 483 | |
| | 484 | offsets accessed will cycle through the same file segment |
| | 485 | |
| | 486 | not using shared memory buffer |
| | 487 | |
| | 488 | not releasing byte-range token after open |
| | 489 | |
| | 490 | no fsync at end of test |
| | 491 | |
| | 492 | Data rate was 53019.51 Kbytes/sec, thread utilization 0.924 |
| | 493 | |
| | 494 | Context: Write 16G data, 32 thread |
| | 495 | gpfs-server:/usr/lpp/mmfs/samples/perf# ./gpfsperf write seq /home/gpfs_mount/gpfsperf_16G_3 -r 1m -n 16g -th 32 |
| | 496 | |
| | 497 | ./gpfsperf write seq /home/gpfs_mount/gpfsperf_16G_3 |
| | 498 | |
| | 499 | recSize 1M nBytes 16G fileSize 16G |
| | 500 | |
| | 501 | nProcesses 1 nThreadsPerProcess 32 |
| | 502 | |
| | 503 | file cache flushed before test |
| | 504 | |
| | 505 | not using data shipping |
| | 506 | |
| | 507 | not using direct I/O |
| | 508 | |
| | 509 | offsets accessed will cycle through the same file segment |
| | 510 | |
| | 511 | not using shared memory buffer |
| | 512 | |
| | 513 | not releasing byte-range token after open |
| | 514 | |
| | 515 | no fsync at end of test |
| | 516 | |
| | 517 | Data rate was 53003.69 Kbytes/sec, thread utilization 0.966 |
| | 518 | |
| | 519 | |
| | 520 | Context: Write 16G data, 64 thread |
| | 521 | gpfs-server:/usr/lpp/mmfs/samples/perf# ./gpfsperf write seq /home/gpfs_mount/gpfsperf_16G_3 -r 1m -n 16g -th 64 |
| | 522 | |
| | 523 | ./gpfsperf write seq /home/gpfs_mount/gpfsperf_16G_3 |
| | 524 | |
| | 525 | recSize 1M nBytes 16G fileSize 16G |
| | 526 | |
| | 527 | nProcesses 1 nThreadsPerProcess 64 |
| | 528 | |
| | 529 | file cache flushed before test |
| | 530 | |
| | 531 | not using data shipping |
| | 532 | |
| | 533 | not using direct I/O |
| | 534 | |
| | 535 | offsets accessed will cycle through the same file segment |
| | 536 | |
| | 537 | not using shared memory buffer |
| | 538 | |
| | 539 | not releasing byte-range token after open |
| | 540 | |
| | 541 | no fsync at end of test |
| | 542 | |
| | 543 | Data rate was 53590.98 Kbytes/sec, thread utilization 0.971 |
| | 544 | |
| | 545 | |
| | 546 | |
| | 547 | |
| | 548 | 4. Compare |
| | 549 | |
| | 550 | |
| | 551 | All kind Operation (sequence) |
| | 552 | |
| | 553 | Replicate & Adjust Parameters |
| | 554 | No Replicate & Adjust Parameters |
| | 555 | Create |
| | 556 | 54649.55 KB/s |
| | 557 | 108330.24 KB/s |
| | 558 | Read |
| | 559 | 83583.30 KB/s |
| | 560 | 82420.96 KB/s |
| | 561 | Write |
| | 562 | 50898.76 KB/s |
| | 563 | 108820.45 KB/s |
| | 564 | |
| | 565 | |
| | 566 | |
| | 567 | |
| | 568 | |
| | 569 | |
| | 570 | |
| | 571 | Multi-thread (sequence) |
| | 572 | |
| | 573 | |
| | 574 | 1 |
| | 575 | 2 |
| | 576 | 4 |
| | 577 | 8 |
| | 578 | 16 |
| | 579 | 32 |
| | 580 | 64 |
| | 581 | Create |
| | 582 | 50800.95 KB/s |
| | 583 | 50297.13 KB/s |
| | 584 | 50848.45 KB/s |
| | 585 | 50469.88 KB/s |
| | 586 | 52578.33 KB/s |
| | 587 | 53107.28 KB/s |
| | 588 | 53019.53 KB/s |
| | 589 | Read |
| | 590 | 81685.18 KB/s |
| | 591 | 90844.61 KB/s |
| | 592 | 89538.89 KB/s |
| | 593 | 87044.97 KB/s |
| | 594 | 94899.75 KB/s |
| | 595 | 90657.18 KB/s |
| | 596 | 89751.67 KB/s |
| | 597 | Write |
| | 598 | 50819.17 KB/s |
| | 599 | 50588.81 KB/s |
| | 600 | 50694.87 KB/s |
| | 601 | 51648.90 KB/s |
| | 602 | 53019.51 KB/s |
| | 603 | 53003.69 KB/s |
| | 604 | 53590.98 KB/s |
| | 605 | |
| | 606 | |