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| 196 | <li> |
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| 197 | <a href="#%E7%9B%AE%E7%9A%84">ç®ç</a> |
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| 198 | </li> |
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| 199 | <li> |
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å³æ¡ä»¶</a> |
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| 202 | <li> |
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| 203 | <a href="#%E6%94%AF%E6%8C%81%E5%B9%B3%E5%8F%B0">æ¯æå¹³å°</a> |
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| 204 | </li> |
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| 206 | <a href="#%E6%89%80%E9%9C%80%E8%BD%AF%E4%BB%B6">æé蜯件</a> |
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| 207 | </li> |
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| 208 | <li> |
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| 209 | <a href="#%E5%AE%89%E8%A3%85%E8%BD%AF%E4%BB%B6">å®è£
蜯件</a> |
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| 210 | </li> |
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| 211 | </ul> |
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| 212 | </li> |
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| 213 | <li> |
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| 214 | <a href="#%E4%B8%8B%E8%BD%BD">äžèœœ</a> |
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| 215 | </li> |
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| 216 | <li> |
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| 217 | <a href="#%E8%BF%90%E8%A1%8CHadoop%E9%9B%86%E7%BE%A4%E7%9A%84%E5%87%86%E5%A4%87%E5%B7%A5%E4%BD%9C">è¿è¡Hadoopé矀çåå€å·¥äœ</a> |
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| 218 | </li> |
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| 220 | <a href="#Local">åæºæš¡åŒçæäœæ¹æ³</a> |
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| 222 | <li> |
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| 223 | <a href="#PseudoDistributed">䌪ååžåŒæš¡åŒçæäœæ¹æ³</a> |
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| 224 | <ul class="minitoc"> |
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| 225 | <li> |
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| 226 | <a href="#%E9%85%8D%E7%BD%AE">é
眮</a> |
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| 227 | </li> |
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| 228 | <li> |
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| 229 | <a href="#%E5%85%8D%E5%AF%86%E7%A0%81">å
å¯ç ssh讟眮</a> |
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| 230 | </li> |
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| 231 | <li> |
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| 232 | <a href="#%E6%89%A7%E8%A1%8C">æ§è¡</a> |
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| 233 | </li> |
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| 234 | </ul> |
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| 235 | </li> |
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| 236 | <li> |
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| 237 | <a href="#FullyDistributed">å®å
šååžåŒæš¡åŒçæäœæ¹æ³</a> |
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| 238 | </li> |
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| 239 | </ul> |
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| 240 | </div> |
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| 241 | |
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| 242 | |
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| 243 | <a name="N1000D"></a><a name="%E7%9B%AE%E7%9A%84"></a> |
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| 244 | <h2 class="h3">ç®ç</h2> |
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| 245 | <div class="section"> |
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| 246 | <p>è¿ç¯ææ¡£çç®çæ¯åž®å©äœ å¿«éå®æåæºäžçHadoopå®è£
äžäœ¿çšä»¥äŸ¿äœ 对<a href="hdfs_design.html">HadoopååžåŒæ件系ç»(<acronym title="Hadoop Distributed File System">HDFS</acronym>)</a>åMap-Reduceæ¡æ¶ææäœäŒïŒæ¯åŠåšHDFSäžè¿è¡ç€ºäŸçšåºæç®åäœäžçã</p> |
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| 247 | </div> |
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| 248 | |
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| 249 | <a name="N1001F"></a><a name="PreReqs"></a> |
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| 250 | <h2 class="h3">å
å³æ¡ä»¶</h2> |
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| 251 | <div class="section"> |
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| 252 | <a name="N10025"></a><a name="%E6%94%AF%E6%8C%81%E5%B9%B3%E5%8F%B0"></a> |
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| 253 | <h3 class="h4">æ¯æå¹³å°</h3> |
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| 254 | <ul> |
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| 255 | |
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| 256 | <li> |
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| 257 | GNU/Linuxæ¯äº§ååŒååè¿è¡çå¹³å°ã |
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| 258 | Hadoopå·²åšæ2000䞪èç¹çGNU/Linuxäž»æºç»æçé矀系ç»äžåŸå°éªè¯ã |
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| 259 | </li> |
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| 260 | |
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| 261 | <li> |
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| 262 | Win32å¹³å°æ¯äœäžº<em>åŒåå¹³å°</em>æ¯æçãç±äºååžåŒæäœå°æªåšWin32å¹³å°äžå
åæµè¯ïŒæ以è¿äžäœäžºäžäžª<em>ç产平å°</em>被æ¯æã |
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| 263 | </li> |
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| 264 | |
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| 265 | </ul> |
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| 266 | <a name="N1003B"></a><a name="%E6%89%80%E9%9C%80%E8%BD%AF%E4%BB%B6"></a> |
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| 267 | <h3 class="h4">æé蜯件</h3> |
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| 268 | <p>LinuxåWindowsæé蜯件å
æ¬:</p> |
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| 269 | <ol> |
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| 270 | |
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| 271 | <li> |
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| 272 | Java<sup>TM</sup>1.5.xïŒå¿
é¡»å®è£
ïŒå»ºè®®éæ©Sunå
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| 273 | </li> |
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| 274 | |
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| 275 | <li> |
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| 276 | |
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| 277 | <strong>ssh</strong> å¿
é¡»å®è£
并äžä¿è¯ <strong>sshd</strong>äžçŽè¿è¡ïŒä»¥äŸ¿çšHadoop |
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| 278 | èæ¬ç®¡çè¿ç«¯Hadoopå®æ€è¿çšã |
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| 279 | </li> |
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| 280 | |
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| 281 | </ol> |
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| 282 | <p>Windowsäžçéå 蜯件éæ±</p> |
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| 283 | <ol> |
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| 284 | |
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| 285 | <li> |
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| 286 | |
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| 287 | <a href="http://www.cygwin.com/">Cygwin</a> - æäŸäžè¿°èœ¯ä»¶ä¹å€çshellæ¯æã |
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| 288 | </li> |
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| 289 | |
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| 290 | </ol> |
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| 291 | <a name="N10064"></a><a name="%E5%AE%89%E8%A3%85%E8%BD%AF%E4%BB%B6"></a> |
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| 292 | <h3 class="h4">å®è£
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| 293 | <p>åŠæäœ çé矀å°æªå®è£
æé蜯件ïŒäœ åŸéŠå
å®è£
å®ä»¬ã</p> |
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| 294 | <p>以Ubuntu Linux䞺äŸ:</p> |
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| 295 | <p> |
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| 296 | |
---|
| 297 | <span class="codefrag">$ sudo apt-get install ssh</span> |
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| 298 | <br> |
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| 299 | |
---|
| 300 | <span class="codefrag">$ sudo apt-get install rsync</span> |
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| 301 | |
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| 302 | </p> |
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| 303 | <p>åšWindowså¹³å°äžïŒåŠæå®è£
cygwinæ¶æªå®è£
å
šéšæé蜯件ïŒåéå¯åšcyqwinå®è£
管çåšå®è£
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ïŒ</p> |
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| 304 | <ul> |
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| 305 | |
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| 306 | <li>openssh - <em>Net</em> ç±»</li> |
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| 307 | |
---|
| 308 | </ul> |
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| 309 | </div> |
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| 310 | |
---|
| 311 | |
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| 312 | <a name="N10088"></a><a name="%E4%B8%8B%E8%BD%BD"></a> |
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| 313 | <h2 class="h3">äžèœœ</h2> |
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| 314 | <div class="section"> |
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| 315 | <p> |
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| 316 | 䞺äºè·åHadoopçåè¡çïŒä»Apacheçæ䞪éåæå¡åšäžäžèœœæè¿ç |
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| 317 | <a href="http://hadoop.apache.org/core/releases.html">çš³å®åè¡ç</a>ã</p> |
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| 318 | </div> |
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| 319 | |
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| 320 | |
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| 321 | <a name="N10096"></a><a name="%E8%BF%90%E8%A1%8CHadoop%E9%9B%86%E7%BE%A4%E7%9A%84%E5%87%86%E5%A4%87%E5%B7%A5%E4%BD%9C"></a> |
---|
| 322 | <h2 class="h3">è¿è¡Hadoopé矀çåå€å·¥äœ</h2> |
---|
| 323 | <div class="section"> |
---|
| 324 | <p> |
---|
| 325 | 解åæäžèœœçHadoopåè¡çãçŒèŸ |
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| 326 | <span class="codefrag">conf/hadoop-env.sh</span>æ件ïŒè³å°éèŠå°<span class="codefrag">JAVA_HOME</span>讟眮䞺Javaå®è£
æ ¹è·¯åŸã |
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| 327 | </p> |
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| 328 | <p> |
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| 329 | å°è¯åŠäžåœä»€ïŒ<br> |
---|
| 330 | |
---|
| 331 | <span class="codefrag">$ bin/hadoop</span> |
---|
| 332 | <br> |
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| 333 | å°äŒæŸç€º<strong>hadoop</strong> èæ¬ç䜿çšææ¡£ã |
---|
| 334 | </p> |
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| 335 | <p>ç°åšäœ å¯ä»¥çšä»¥äžäžç§æ¯æçæš¡åŒäžçäžç§å¯åšHadoopéçŸ€ïŒ |
---|
| 336 | </p> |
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| 337 | <ul> |
---|
| 338 | |
---|
| 339 | <li>åæºæš¡åŒ</li> |
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| 340 | |
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| 341 | <li>䌪ååžåŒæš¡åŒ</li> |
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| 342 | |
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| 343 | <li>å®å
šååžåŒæš¡åŒ</li> |
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| 344 | |
---|
| 345 | </ul> |
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| 346 | </div> |
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| 347 | |
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| 348 | |
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| 349 | <a name="N100C1"></a><a name="Local"></a> |
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| 350 | <h2 class="h3">åæºæš¡åŒçæäœæ¹æ³</h2> |
---|
| 351 | <div class="section"> |
---|
| 352 | <p>é»è®€æ
åµäžïŒHadoop被é
眮æ以éååžåŒæš¡åŒè¿è¡çäžäžªç¬ç«Javaè¿çšãè¿å¯¹è°è¯éåžžæåž®å©ã</p> |
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| 353 | <p> |
---|
| 354 | äžé¢çå®äŸå°å·²è§£åç <span class="codefrag">conf</span> ç®åœæ·èŽäœäžºèŸå
¥ïŒæ¥æŸå¹¶æŸç€ºå¹é
ç»å®æ£å衚蟟åŒçæ¡ç®ãèŸåºåå
¥å°æå®ç<span class="codefrag">output</span>ç®åœã |
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| 355 | <br> |
---|
| 356 | |
---|
| 357 | <span class="codefrag">$ mkdir input</span> |
---|
| 358 | <br> |
---|
| 359 | |
---|
| 360 | <span class="codefrag">$ cp conf/*.xml input</span> |
---|
| 361 | <br> |
---|
| 362 | |
---|
| 363 | <span class="codefrag"> |
---|
| 364 | $ bin/hadoop jar hadoop-*-examples.jar grep input output 'dfs[a-z.]+' |
---|
| 365 | </span> |
---|
| 366 | <br> |
---|
| 367 | |
---|
| 368 | <span class="codefrag">$ cat output/*</span> |
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| 369 | |
---|
| 370 | </p> |
---|
| 371 | </div> |
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| 372 | |
---|
| 373 | |
---|
| 374 | <a name="N100E5"></a><a name="PseudoDistributed"></a> |
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| 375 | <h2 class="h3">䌪ååžåŒæš¡åŒçæäœæ¹æ³</h2> |
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| 376 | <div class="section"> |
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| 377 | <p>Hadoopå¯ä»¥åšåèç¹äžä»¥æè°ç䌪ååžåŒæš¡åŒè¿è¡ïŒæ€æ¶æ¯äžäžªHadoopå®æ€è¿çšéœäœäžºäžäžªç¬ç«çJavaè¿çšè¿è¡ã</p> |
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| 378 | <a name="N100EE"></a><a name="%E9%85%8D%E7%BD%AE"></a> |
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| 379 | <h3 class="h4">é
眮</h3> |
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| 380 | <p>䜿çšåŠäžç <span class="codefrag">conf/hadoop-site.xml</span>:</p> |
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| 381 | <table class="ForrestTable" cellspacing="1" cellpadding="4"> |
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| 382 | |
---|
| 383 | <tr> |
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| 384 | <td colspan="1" rowspan="1"><configuration></td> |
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| 385 | </tr> |
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| 386 | |
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| 387 | |
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| 388 | <tr> |
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| 389 | <td colspan="1" rowspan="1"> <property></td> |
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| 390 | </tr> |
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| 391 | |
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| 392 | <tr> |
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| 393 | <td colspan="1" rowspan="1"> <name>fs.default.name</name></td> |
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| 394 | </tr> |
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| 395 | |
---|
| 396 | <tr> |
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| 397 | <td colspan="1" rowspan="1"> <value>localhost:9000</value></td> |
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| 398 | </tr> |
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| 399 | |
---|
| 400 | <tr> |
---|
| 401 | <td colspan="1" rowspan="1"> </property></td> |
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| 402 | </tr> |
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| 403 | |
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| 404 | |
---|
| 405 | <tr> |
---|
| 406 | <td colspan="1" rowspan="1"> <property></td> |
---|
| 407 | </tr> |
---|
| 408 | |
---|
| 409 | <tr> |
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| 410 | <td colspan="1" rowspan="1"> <name>mapred.job.tracker</name></td> |
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| 411 | </tr> |
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| 412 | |
---|
| 413 | <tr> |
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| 414 | <td colspan="1" rowspan="1"> <value>localhost:9001</value></td> |
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| 415 | </tr> |
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| 416 | |
---|
| 417 | <tr> |
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| 418 | <td colspan="1" rowspan="1"> </property></td> |
---|
| 419 | </tr> |
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| 420 | |
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| 421 | |
---|
| 422 | <tr> |
---|
| 423 | <td colspan="1" rowspan="1"> <property></td> |
---|
| 424 | </tr> |
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| 425 | |
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| 426 | <tr> |
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| 427 | <td colspan="1" rowspan="1"> <name>dfs.replication</name></td> |
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| 428 | </tr> |
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| 429 | |
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| 430 | <tr> |
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| 431 | <td colspan="1" rowspan="1"> <value>1</value></td> |
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| 432 | </tr> |
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| 433 | |
---|
| 434 | <tr> |
---|
| 435 | <td colspan="1" rowspan="1"> </property></td> |
---|
| 436 | </tr> |
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| 437 | |
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| 438 | |
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| 439 | <tr> |
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| 440 | <td colspan="1" rowspan="1"></configuration></td> |
---|
| 441 | </tr> |
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| 442 | |
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| 443 | </table> |
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| 444 | <a name="N10152"></a><a name="%E5%85%8D%E5%AF%86%E7%A0%81"></a> |
---|
| 445 | <h3 class="h4">å
å¯ç ssh讟眮</h3> |
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| 446 | <p> |
---|
| 447 | ç°åšç¡®è®€èœåŠäžèŸå
¥å£ä»€å°±çšsshç»åœlocalhost:<br> |
---|
| 448 | |
---|
| 449 | <span class="codefrag">$ ssh localhost</span> |
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| 450 | |
---|
| 451 | </p> |
---|
| 452 | <p> |
---|
| 453 | åŠæäžèŸå
¥å£ä»€å°±æ æ³çšsshç»élocalhostïŒæ§è¡äžé¢çåœä»€ïŒ<br> |
---|
| 454 | |
---|
| 455 | <span class="codefrag">$ ssh-keygen -t dsa -P '' -f ~/.ssh/id_dsa</span> |
---|
| 456 | <br> |
---|
| 457 | |
---|
| 458 | <span class="codefrag">$ cat ~/.ssh/id_dsa.pub >> ~/.ssh/authorized_keys</span> |
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| 459 | |
---|
| 460 | </p> |
---|
| 461 | <a name="N10170"></a><a name="%E6%89%A7%E8%A1%8C"></a> |
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| 462 | <h3 class="h4">æ§è¡</h3> |
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| 463 | <p> |
---|
| 464 | æ ŒåŒåäžäžªæ°çååžåŒæ件系ç»ïŒ<br> |
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| 465 | |
---|
| 466 | <span class="codefrag">$ bin/hadoop namenode -format</span> |
---|
| 467 | |
---|
| 468 | </p> |
---|
| 469 | <p> |
---|
| 470 | å¯åšHadoopå®æ€è¿çšïŒ<br> |
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| 471 | |
---|
| 472 | <span class="codefrag">$ bin/start-all.sh</span> |
---|
| 473 | |
---|
| 474 | </p> |
---|
| 475 | <p>Hadoopå®æ€è¿çšçæ¥å¿åå
¥å° |
---|
| 476 | <span class="codefrag">${HADOOP_LOG_DIR}</span> ç®åœ (é»è®€æ¯ |
---|
| 477 | <span class="codefrag">${HADOOP_HOME}/logs</span>).</p> |
---|
| 478 | <p>æµè§NameNodeåJobTrackerççœç»æ¥å£ïŒå®ä»¬çå°åé»è®€äžºïŒ</p> |
---|
| 479 | <ul> |
---|
| 480 | |
---|
| 481 | <li> |
---|
| 482 | |
---|
| 483 | <span class="codefrag">NameNode</span> - |
---|
| 484 | <a href="http://localhost:50070/">http://localhost:50070/</a> |
---|
| 485 | |
---|
| 486 | </li> |
---|
| 487 | |
---|
| 488 | <li> |
---|
| 489 | |
---|
| 490 | <span class="codefrag">JobTracker</span> - |
---|
| 491 | <a href="http://localhost:50030/">http://localhost:50030/</a> |
---|
| 492 | |
---|
| 493 | </li> |
---|
| 494 | |
---|
| 495 | </ul> |
---|
| 496 | <p> |
---|
| 497 | å°èŸå
¥æ件æ·èŽå°ååžåŒæ件系ç»ïŒ<br> |
---|
| 498 | |
---|
| 499 | <span class="codefrag">$ bin/hadoop fs -put conf input</span> |
---|
| 500 | |
---|
| 501 | </p> |
---|
| 502 | <p> |
---|
| 503 | è¿è¡åè¡çæäŸç瀺äŸçšåºïŒ<br> |
---|
| 504 | |
---|
| 505 | <span class="codefrag"> |
---|
| 506 | $ bin/hadoop jar hadoop-*-examples.jar grep input output 'dfs[a-z.]+' |
---|
| 507 | </span> |
---|
| 508 | |
---|
| 509 | </p> |
---|
| 510 | <p>æ¥çèŸåºæ件ïŒ</p> |
---|
| 511 | <p> |
---|
| 512 | å°èŸåºæ件ä»ååžåŒæ件系ç»æ·èŽå°æ¬å°æ件系ç»æ¥çïŒ<br> |
---|
| 513 | |
---|
| 514 | <span class="codefrag">$ bin/hadoop fs -get output output</span> |
---|
| 515 | <br> |
---|
| 516 | |
---|
| 517 | <span class="codefrag">$ cat output/*</span> |
---|
| 518 | |
---|
| 519 | </p> |
---|
| 520 | <p> æè
</p> |
---|
| 521 | <p> |
---|
| 522 | åšååžåŒæ件系ç»äžæ¥çèŸåºæ件ïŒ<br> |
---|
| 523 | |
---|
| 524 | <span class="codefrag">$ bin/hadoop fs -cat output/*</span> |
---|
| 525 | |
---|
| 526 | </p> |
---|
| 527 | <p> |
---|
| 528 | å®æå
šéšæäœåïŒåæ¢å®æ€è¿çšïŒ<br> |
---|
| 529 | |
---|
| 530 | <span class="codefrag">$ bin/stop-all.sh</span> |
---|
| 531 | |
---|
| 532 | </p> |
---|
| 533 | </div> |
---|
| 534 | |
---|
| 535 | |
---|
| 536 | <a name="N101DD"></a><a name="FullyDistributed"></a> |
---|
| 537 | <h2 class="h3">å®å
šååžåŒæš¡åŒçæäœæ¹æ³</h2> |
---|
| 538 | <div class="section"> |
---|
| 539 | <p>å
³äºæ建å®å
šååžåŒæš¡åŒçïŒæå®é
æä¹çé矀çèµæå¯ä»¥åš<a href="cluster_setup.html">è¿é</a>æŸå°ã</p> |
---|
| 540 | </div> |
---|
| 541 | |
---|
| 542 | |
---|
| 543 | <p> |
---|
| 544 | |
---|
| 545 | <em>JavaäžJNIæ¯Sun Microsystems, Inc.åšçŸåœä»¥åå
¶ä»åœå®¶å°åºçåæ æ泚ååæ ã</em> |
---|
| 546 | |
---|
| 547 | </p> |
---|
| 548 | |
---|
| 549 | |
---|
| 550 | </div> |
---|
| 551 | <!--+ |
---|
| 552 | |end content |
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| 553 | +--> |
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| 554 | <div class="clearboth"> </div> |
---|
| 555 | </div> |
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| 556 | <div id="footer"> |
---|
| 557 | <!--+ |
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| 558 | |start bottomstrip |
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| 559 | +--> |
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| 560 | <div class="lastmodified"> |
---|
| 561 | <script type="text/javascript"><!-- |
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| 562 | document.write("Last Published: " + document.lastModified); |
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| 563 | // --></script> |
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| 564 | </div> |
---|
| 565 | <div class="copyright"> |
---|
| 566 | Copyright © |
---|
| 567 | 2007 <a href="http://www.apache.org/licenses/">The Apache Software Foundation.</a> |
---|
| 568 | </div> |
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| 569 | <!--+ |
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| 570 | |end bottomstrip |
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| 571 | +--> |
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| 572 | </div> |
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| 573 | </body> |
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| 574 | </html> |
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