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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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201 | <ul class="minitoc"> |
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202 | <li> |
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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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219 | <li> |
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220 | <a href="#Local">åæºæš¡åŒçæäœæ¹æ³</a> |
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221 | </li> |
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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
¬åžåè¡çJavaçæ¬ã |
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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 | |
---|
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£
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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 | |
---|
302 | </p> |
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303 | <p>åšWindowså¹³å°äžïŒåŠæå®è£
cygwinæ¶æªå®è£
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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> |
---|
309 | </div> |
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310 | |
---|
311 | |
---|
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> |
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322 | <h2 class="h3">è¿è¡Hadoopé矀çåå€å·¥äœ</h2> |
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323 | <div class="section"> |
---|
324 | <p> |
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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> |
---|
328 | <p> |
---|
329 | å°è¯åŠäžåœä»€ïŒ<br> |
---|
330 | |
---|
331 | <span class="codefrag">$ bin/hadoop</span> |
---|
332 | <br> |
---|
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> |
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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 | |
---|
343 | <li>å®å
šååžåŒæš¡åŒ</li> |
---|
344 | |
---|
345 | </ul> |
---|
346 | </div> |
---|
347 | |
---|
348 | |
---|
349 | <a name="N100C1"></a><a name="Local"></a> |
---|
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> |
---|
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> |
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358 | <br> |
---|
359 | |
---|
360 | <span class="codefrag">$ cp conf/*.xml input</span> |
---|
361 | <br> |
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362 | |
---|
363 | <span class="codefrag"> |
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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> |
---|
375 | <h2 class="h3">䌪ååžåŒæš¡åŒçæäœæ¹æ³</h2> |
---|
376 | <div class="section"> |
---|
377 | <p>Hadoopå¯ä»¥åšåèç¹äžä»¥æè°ç䌪ååžåŒæš¡åŒè¿è¡ïŒæ€æ¶æ¯äžäžªHadoopå®æ€è¿çšéœäœäžºäžäžªç¬ç«çJavaè¿çšè¿è¡ã</p> |
---|
378 | <a name="N100EE"></a><a name="%E9%85%8D%E7%BD%AE"></a> |
---|
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 | |
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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> |
---|
391 | |
---|
392 | <tr> |
---|
393 | <td colspan="1" rowspan="1"> <name>fs.default.name</name></td> |
---|
394 | </tr> |
---|
395 | |
---|
396 | <tr> |
---|
397 | <td colspan="1" rowspan="1"> <value>localhost:9000</value></td> |
---|
398 | </tr> |
---|
399 | |
---|
400 | <tr> |
---|
401 | <td colspan="1" rowspan="1"> </property></td> |
---|
402 | </tr> |
---|
403 | |
---|
404 | |
---|
405 | <tr> |
---|
406 | <td colspan="1" rowspan="1"> <property></td> |
---|
407 | </tr> |
---|
408 | |
---|
409 | <tr> |
---|
410 | <td colspan="1" rowspan="1"> <name>mapred.job.tracker</name></td> |
---|
411 | </tr> |
---|
412 | |
---|
413 | <tr> |
---|
414 | <td colspan="1" rowspan="1"> <value>localhost:9001</value></td> |
---|
415 | </tr> |
---|
416 | |
---|
417 | <tr> |
---|
418 | <td colspan="1" rowspan="1"> </property></td> |
---|
419 | </tr> |
---|
420 | |
---|
421 | |
---|
422 | <tr> |
---|
423 | <td colspan="1" rowspan="1"> <property></td> |
---|
424 | </tr> |
---|
425 | |
---|
426 | <tr> |
---|
427 | <td colspan="1" rowspan="1"> <name>dfs.replication</name></td> |
---|
428 | </tr> |
---|
429 | |
---|
430 | <tr> |
---|
431 | <td colspan="1" rowspan="1"> <value>1</value></td> |
---|
432 | </tr> |
---|
433 | |
---|
434 | <tr> |
---|
435 | <td colspan="1" rowspan="1"> </property></td> |
---|
436 | </tr> |
---|
437 | |
---|
438 | |
---|
439 | <tr> |
---|
440 | <td colspan="1" rowspan="1"></configuration></td> |
---|
441 | </tr> |
---|
442 | |
---|
443 | </table> |
---|
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> |
---|
446 | <p> |
---|
447 | ç°åšç¡®è®€èœåŠäžèŸå
¥å£ä»€å°±çšsshç»åœlocalhost:<br> |
---|
448 | |
---|
449 | <span class="codefrag">$ ssh localhost</span> |
---|
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> |
---|
459 | |
---|
460 | </p> |
---|
461 | <a name="N10170"></a><a name="%E6%89%A7%E8%A1%8C"></a> |
---|
462 | <h3 class="h4">æ§è¡</h3> |
---|
463 | <p> |
---|
464 | æ ŒåŒåäžäžªæ°çååžåŒæ件系ç»ïŒ<br> |
---|
465 | |
---|
466 | <span class="codefrag">$ bin/hadoop namenode -format</span> |
---|
467 | |
---|
468 | </p> |
---|
469 | <p> |
---|
470 | å¯åšHadoopå®æ€è¿çšïŒ<br> |
---|
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 |
---|
553 | +--> |
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554 | <div class="clearboth"> </div> |
---|
555 | </div> |
---|
556 | <div id="footer"> |
---|
557 | <!--+ |
---|
558 | |start bottomstrip |
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559 | +--> |
---|
560 | <div class="lastmodified"> |
---|
561 | <script type="text/javascript"><!-- |
---|
562 | document.write("Last Published: " + document.lastModified); |
---|
563 | // --></script> |
---|
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 | <!--+ |
---|
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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