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| 193 | <h1>Hadoopæ¬å°åº</h1> |
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| 194 | <div id="minitoc-area"> |
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| 195 | <ul class="minitoc"> |
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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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| 200 | <a href="#%E7%BB%84%E4%BB%B6">ç»ä»¶</a> |
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| 201 | </li> |
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| 202 | <li> |
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| 203 | <a href="#%E4%BD%BF%E7%94%A8%E6%96%B9%E6%B3%95">䜿çšæ¹æ³</a> |
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| 204 | </li> |
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| 205 | <li> |
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| 206 | <a href="#%E6%94%AF%E6%8C%81%E7%9A%84%E5%B9%B3%E5%8F%B0">æ¯æçå¹³å°</a> |
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| 207 | </li> |
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| 208 | <li> |
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| 209 | <a href="#%E6%9E%84%E5%BB%BAHadoop%E6%9C%AC%E5%9C%B0%E5%BA%93">æ建Hadoopæ¬å°åº</a> |
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| 210 | <ul class="minitoc"> |
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| 211 | <li> |
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| 212 | <a href="#%E6%B3%A8%E6%84%8F">泚æ</a> |
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| 213 | </li> |
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| 214 | </ul> |
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| 215 | </li> |
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| 216 | <li> |
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| 217 | <a href="#%E4%BD%BF%E7%94%A8DistributedCache+%E5%8A%A0%E8%BD%BD%E6%9C%AC%E5%9C%B0%E5%BA%93"> 䜿çšDistributedCache å 蜜æ¬å°åº</a> |
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| 218 | </li> |
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| 219 | </ul> |
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| 220 | </div> |
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| 221 | |
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| 222 | |
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| 223 | <a name="N1000D"></a><a name="%E7%9B%AE%E7%9A%84"></a> |
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| 224 | <h2 class="h3">ç®ç</h2> |
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| 225 | <div class="section"> |
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| 226 | <p> |
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| 227 | éŽäºæ§èœé®é¢ä»¥åæäºJavaç±»åºç猺倱ïŒå¯¹äºæäºç»ä»¶ïŒHadoopæäŸäºèªå·±çæ¬å°å®ç°ã |
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| 228 | è¿äºç»ä»¶ä¿ååšHadoopçäžäžªç¬ç«çåšæéŸæ¥çåºéãè¿äžªåºåš*nixå¹³å°äžå«<em>libhadoop.so</em>. æ¬æäž»èŠä»ç»æ¬å°åºç䜿çšæ¹æ³ä»¥ååŠäœæ建æ¬å°åºã |
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| 229 | </p> |
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| 230 | </div> |
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| 231 | |
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| 232 | |
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| 233 | <a name="N1001A"></a><a name="%E7%BB%84%E4%BB%B6"></a> |
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| 234 | <h2 class="h3">ç»ä»¶</h2> |
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| 235 | <div class="section"> |
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| 236 | <p>Hadoopç°åšå·²ç»æä»¥äž |
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| 237 | <a href="http://hadoop.apache.org/core/docs/r0.18.2/api/org/apache/hadoop/io/compress/CompressionCodec.html"> |
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| 238 | compression codecs</a>æ¬å°ç»ä»¶ïŒ</p> |
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| 239 | <ul> |
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| 240 | |
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| 241 | <li> |
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| 242 | <a href="http://www.zlib.net/">zlib</a> |
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| 243 | </li> |
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| 244 | |
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| 245 | <li> |
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| 246 | <a href="http://www.gzip.org/">gzip</a> |
---|
| 247 | </li> |
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| 248 | |
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| 249 | <li> |
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| 250 | <a href="http://www.oberhumer.com/opensource/lzo/">lzo</a> |
---|
| 251 | </li> |
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| 252 | |
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| 253 | </ul> |
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| 254 | <p>åšä»¥äžç»ä»¶äžïŒlzoågzipå猩çŒè§£ç åšå¿
须䜿çšhadoopæ¬å°åºæèœè¿è¡ã |
---|
| 255 | </p> |
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| 256 | </div> |
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| 257 | |
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| 258 | |
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| 259 | <a name="N1003D"></a><a name="%E4%BD%BF%E7%94%A8%E6%96%B9%E6%B3%95"></a> |
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| 260 | <h2 class="h3">䜿çšæ¹æ³</h2> |
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| 261 | <div class="section"> |
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| 262 | <p>hadoopæ¬å°åºççšæ³åŸç®åïŒ</p> |
---|
| 263 | <ul> |
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| 264 | |
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| 265 | <li> |
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| 266 | çäžäž |
---|
| 267 | <a href="#%E6%94%AF%E6%8C%81%E7%9A%84%E5%B9%B3%E5%8F%B0">æ¯æçå¹³å°</a>. |
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| 268 | </li> |
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| 269 | |
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| 270 | <li> |
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| 271 | |
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| 272 | <a href="http://hadoop.apache.org/core/releases.html#Download">äžèœœ</a> é¢æ建ç32äœi386æ¶æçLinuxæ¬å°hadoopåºïŒå¯ä»¥åšhadoopåè¡çç<span class="codefrag">lib/native</span>ç®åœäžæŸå°ïŒæè
èªå·± |
---|
| 273 | <a href="#%E6%9E%84%E5%BB%BAHadoop%E6%9C%AC%E5%9C%B0%E5%BA%93">æ建</a> è¿äºåºã |
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| 274 | </li> |
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| 275 | |
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| 276 | <li> |
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| 277 | ç¡®ä¿äœ çå¹³å°å·²ç»å®è£
äº<strong>zlib-1.2</strong>以äžçæ¬æè
<strong>lzo2.0</strong>以äžçæ¬ç蜯件å
æè
䞀è
åå·²å®è£
ïŒæ ¹æ®äœ çéèŠïŒã |
---|
| 278 | </li> |
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| 279 | |
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| 280 | </ul> |
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| 281 | <p> |
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| 282 | <span class="codefrag">bin/hadoop</span> èæ¬éè¿ç³»ç»å±æ§ |
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| 283 | <em>-Djava.library.path=<path></em>æ¥ç¡®è®€hadoopæ¬å°åºæ¯åŠå
å«åšåºè·¯åŸéã</p> |
---|
| 284 | <p>æ£æ¥hadoopæ¥å¿æ件å¯ä»¥æ¥çhadoopåºæ¯åŠæ£åžžïŒæ£åžžæ
åµäžäŒçå°ïŒ</p> |
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| 285 | <p> |
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| 286 | |
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| 287 | <span class="codefrag"> |
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| 288 | DEBUG util.NativeCodeLoader - Trying to load the custom-built |
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| 289 | native-hadoop library... |
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| 290 | </span> |
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| 291 | <br> |
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| 292 | |
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| 293 | <span class="codefrag"> |
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| 294 | INFO util.NativeCodeLoader - Loaded the native-hadoop library |
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| 295 | </span> |
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| 296 | |
---|
| 297 | </p> |
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| 298 | <p>åŠæåºéïŒäŒçå°ïŒ</p> |
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| 299 | <p> |
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| 300 | |
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| 301 | <span class="codefrag"> |
---|
| 302 | INFO util.NativeCodeLoader - Unable to load native-hadoop library for |
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| 303 | your platform... using builtin-java classes where applicable |
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| 304 | </span> |
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| 305 | |
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| 306 | </p> |
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| 307 | </div> |
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| 308 | |
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| 309 | |
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| 310 | <a name="N10086"></a><a name="%E6%94%AF%E6%8C%81%E7%9A%84%E5%B9%B3%E5%8F%B0"></a> |
---|
| 311 | <h2 class="h3">æ¯æçå¹³å°</h2> |
---|
| 312 | <div class="section"> |
---|
| 313 | <p>Hadoopæ¬å°åºåªæ¯æ*nixå¹³å°ïŒå·²ç»å¹¿æ³äœ¿çšåšGNU/Linuxå¹³å°äžïŒäœæ¯äžæ¯æ |
---|
| 314 | <a href="http://www.cygwin.com/">Cygwin</a> |
---|
| 315 | å <a href="http://www.apple.com/macosx">Mac OS X</a>ã |
---|
| 316 | </p> |
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| 317 | <p>å·²ç»æµè¯è¿çGNU/Linuxåè¡çæ¬ïŒ</p> |
---|
| 318 | <ul> |
---|
| 319 | |
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| 320 | <li> |
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| 321 | |
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| 322 | <a href="http://www.redhat.com/rhel/">RHEL4</a>/<a href="http://fedora.redhat.com/">Fedora</a> |
---|
| 323 | |
---|
| 324 | </li> |
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| 325 | |
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| 326 | <li> |
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| 327 | <a href="http://www.ubuntu.com/">Ubuntu</a> |
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| 328 | </li> |
---|
| 329 | |
---|
| 330 | <li> |
---|
| 331 | <a href="http://www.gentoo.org/">Gentoo</a> |
---|
| 332 | </li> |
---|
| 333 | |
---|
| 334 | </ul> |
---|
| 335 | <p>åšäžè¿°å¹³å°äžïŒ32/64äœHadoopæ¬å°åºåå«èœå32/64äœçjvmäžèµ·æ£åžžè¿è¡ã |
---|
| 336 | </p> |
---|
| 337 | </div> |
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| 338 | |
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| 339 | |
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| 340 | <a name="N100B6"></a><a name="%E6%9E%84%E5%BB%BAHadoop%E6%9C%AC%E5%9C%B0%E5%BA%93"></a> |
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| 341 | <h2 class="h3">æ建Hadoopæ¬å°åº</h2> |
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| 342 | <div class="section"> |
---|
| 343 | <p>Hadoopæ¬å°åºäœ¿çš |
---|
| 344 | <a href="http://en.wikipedia.org/wiki/ANSI_C">ANSI C</a> çŒåïŒäœ¿çšGNU autotoolså·¥å
·éŸ (autoconf, autoheader, automake, autoscan, libtool)æ建ãä¹å°±æ¯è¯Žæ建hadoopåºçå¹³å°éèŠææ åCççŒè¯åšåGNU autotoolså·¥å
·éŸã请åç |
---|
| 345 | <a href="#%E6%94%AF%E6%8C%81%E7%9A%84%E5%B9%B3%E5%8F%B0">æ¯æçå¹³å°</a>ã</p> |
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| 346 | <p>äœ çç®æ å¹³å°äžå¯èœäŒéèŠç蜯件å
ïŒ |
---|
| 347 | </p> |
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| 348 | <ul> |
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| 349 | |
---|
| 350 | <li> |
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| 351 | C çŒè¯åš (e.g. <a href="http://gcc.gnu.org/">GNU C Compiler</a>) |
---|
| 352 | </li> |
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| 353 | |
---|
| 354 | <li> |
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| 355 | GNU Autools å·¥å
·éŸ: |
---|
| 356 | <a href="http://www.gnu.org/software/autoconf/">autoconf</a>, |
---|
| 357 | <a href="http://www.gnu.org/software/automake/">automake</a>, |
---|
| 358 | <a href="http://www.gnu.org/software/libtool/">libtool</a> |
---|
| 359 | |
---|
| 360 | </li> |
---|
| 361 | |
---|
| 362 | <li> |
---|
| 363 | zlibåŒåå
(stable version >= 1.2.0) |
---|
| 364 | </li> |
---|
| 365 | |
---|
| 366 | <li> |
---|
| 367 | lzoåŒåå
(stable version >= 2.0) |
---|
| 368 | </li> |
---|
| 369 | |
---|
| 370 | </ul> |
---|
| 371 | <p>åŠæå·²ç»æ»¡è¶³äºäžè¿°å
å³æ¡ä»¶ïŒå¯ä»¥äœ¿çš<span class="codefrag">build.xml</span> |
---|
| 372 | æ件ïŒå¹¶æå
¶äžç<span class="codefrag">compile.native</span>眮䞺 |
---|
| 373 | <span class="codefrag">true</span>ïŒè¿æ ·å°±å¯ä»¥çæhadoopæ¬å°åºïŒ</p> |
---|
| 374 | <p> |
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| 375 | <span class="codefrag">$ ant -Dcompile.native=true <target></span> |
---|
| 376 | </p> |
---|
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| 386 | <a name="N10109"></a><a name="%E6%B3%A8%E6%84%8F"></a> |
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| 387 | <h3 class="h4">泚æ</h3> |
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| 388 | <ul> |
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| 397 | |
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| 399 | </div> |
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| 400 | <!--DCCOMMENT:diff begin--> |
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| 404 | <div class="section"> |
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| 415 | <span class="codefrag">bin/hadoop fs -copyFromLocal mylib.so.1 /libraries/mylib.so.1</span> |
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| 419 | <li>å¯åšäœäžæ¶å
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| 421 | <span class="codefrag"> DistributedCache.createSymlink(conf); </span> |
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| 422 | <br> |
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| 423 | |
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| 424 | <span class="codefrag"> DistributedCache.addCacheFile("hdfs://host:port/libraries/mylib.so.1#mylib.so", conf); |
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| 425 | </span> |
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| 426 | |
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| 427 | </li> |
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| 430 | |
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| 431 | <span class="codefrag"> System.loadLibrary("mylib.so"); </span> |
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| 432 | |
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| 433 | </li> |
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| 434 | |
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| 435 | </ol> |
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| 436 | </div> |
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| 437 | |
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| 438 | </div> |
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| 439 | <!--+ |
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| 440 | |end content |
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| 441 | +--> |
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| 442 | <div class="clearboth"> </div> |
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| 443 | </div> |
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| 444 | <div id="footer"> |
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| 445 | <!--+ |
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| 446 | |start bottomstrip |
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| 447 | +--> |
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| 448 | <div class="lastmodified"> |
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| 449 | <script type="text/javascript"><!-- |
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| 450 | document.write("Last Published: " + document.lastModified); |
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| 451 | // --></script> |
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| 452 | </div> |
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| 453 | <div class="copyright"> |
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| 454 | Copyright © |
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| 455 | 2007 <a href="http://www.apache.org/licenses/">The Apache Software Foundation.</a> |
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| 456 | </div> |
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| 457 | <!--+ |
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| 458 | |end bottomstrip |
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| 459 | +--> |
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| 460 | </div> |
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| 461 | </body> |
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| 462 | </html> |
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