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| 308 | <ul> |
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| 309 | |
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| 310 | <li> |
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| 311 | |
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| 312 | <span class="codefrag">public FSDataOutputStream create(Path f, FsPermission permission, boolean overwrite, int bufferSize, short replication, long blockSize, Progressable progress) throws IOExceptionïŒ</span> |
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| 313 | |
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| 314 | </li> |
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| 315 | |
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| 316 | <li> |
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| 317 | |
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| 318 | <span class="codefrag">public boolean mkdirs(Path f, FsPermission permission) throws IOExceptionïŒ</span> |
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| 319 | |
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| 320 | </li> |
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| 321 | |
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| 322 | <li> |
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| 323 | |
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| 324 | <span class="codefrag">public void setPermission(Path p, FsPermission permission) throws IOExceptionïŒ</span> |
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| 325 | |
---|
| 326 | </li> |
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| 327 | |
---|
| 328 | <li> |
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| 329 | |
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| 330 | <span class="codefrag">public void setOwner(Path p, String username, String groupname) throws IOExceptionïŒ</span> |
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| 331 | |
---|
| 332 | </li> |
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| 333 | |
---|
| 334 | <li> |
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| 335 | |
---|
| 336 | <span class="codefrag">public FileStatus getFileStatus(Path f) throws IOExceptionïŒ</span> ä¹äŒè¿åè·¯åŸå
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| 337 | </li> |
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| 338 | |
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| 339 | |
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| 340 | </ul> |
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| 341 | <p> |
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| 342 | æ°å»ºæ件æç®åœçæš¡åŒåé
眮åæ°<span class="codefrag">umask</span>ç纊æãåœäœ¿çšä¹åç <span class="codefrag">create(path, …)</span> æ¹æ³ïŒ<em>没ææå®</em>æéåæ°ïŒæ¶ïŒæ°æ件çæš¡åŒæ¯<span class="codefrag">666 & ^umask</span>ãåœäœ¿çšæ°ç <span class="codefrag">create(path, </span><em>permission</em><span class="codefrag">, …)</span> æ¹æ³ïŒ<em>æå®äº</em>æéåæ°<em>P</em>ïŒæ¶ïŒæ°æ件çæš¡åŒæ¯<span class="codefrag">P & ^umask & 666</span>ãåœäœ¿çšå
åç <span class="codefrag">mkdirs(path)</span> æ¹æ³ïŒ<em>没ææå®</em> æéåæ°ïŒæ°å»ºäžäžªç®åœæ¶ïŒæ°ç®åœçæš¡åŒæ¯<span class="codefrag">777 & ^umask</span>ãåœäœ¿çšæ°ç <span class="codefrag">mkdirs(path, </span><em>permission</em> <span class="codefrag">)</span> æ¹æ³ïŒ<em>æå®äº</em>æéåæ°<em>P</em>ïŒæ°å»ºäžäžªç®åœæ¶ïŒæ°ç®åœçæš¡åŒæ¯<span class="codefrag">P & ^umask & 777</span>ã |
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| 343 | </p> |
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| 344 | </div> |
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| 345 | |
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| 346 | |
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| 347 | |
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| 348 | <a name="N10100"></a><a name="Shell%E5%91%BD%E4%BB%A4%E5%8F%98%E6%9B%B4"></a> |
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| 349 | <h2 class="h3">Shellåœä»€åæŽ</h2> |
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| 350 | <div class="section"> |
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| 351 | <p>æ°å¢æäœïŒ</p> |
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| 352 | <dl> |
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| 353 | |
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| 354 | <dt> |
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| 355 | <span class="codefrag">chmod [-R]</span> <em>mode file …</em> |
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| 356 | </dt> |
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| 357 | |
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| 358 | <dd> |
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| 359 | åªææ件çææè
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| 360 | </dd> |
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| 361 | |
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| 362 | <dt> |
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| 363 | <span class="codefrag">chgrp [-R]</span> <em>group file …</em> |
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| 364 | </dt> |
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| 365 | |
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| 367 | 䜿çš<span class="codefrag">chgrp</span>åœä»€ççšæ·å¿
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| 368 | </dd> |
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| 369 | |
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| 370 | <dt> |
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| 371 | <span class="codefrag">chown [-R]</span> <em>[owner][:[group]] file …</em> |
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| 372 | </dt> |
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| 373 | |
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| 379 | <span class="codefrag">ls </span> <em>file …</em> |
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| 380 | </dt> |
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| 381 | <dd></dd> |
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| 382 | |
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| 383 | <dt> |
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| 384 | <span class="codefrag">lsr </span> <em>file …</em> |
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| 388 | èŸåºæ ŒåŒåäºè°æŽä»¥æŸç€ºææè
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| 408 | <a name="N10152"></a><a name="Web%E6%9C%8D%E5%8A%A1%E5%99%A8"></a> |
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| 409 | <h2 class="h3">Webæå¡åš</h2> |
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| 410 | <div class="section"> |
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| 415 | |
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| 417 | <a name="N1015F"></a><a name="%E5%9C%A8%E7%BA%BF%E5%8D%87%E7%BA%A7"></a> |
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| 419 | <div class="section"> |
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| 420 | <p> |
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| 421 | åŠæé矀åš0.15çæ¬çæ°æ®éïŒ<span class="codefrag">fsimage</span>ïŒäžå¯åšïŒææçæ件åç®åœéœæææè
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| 427 | <div class="section"> |
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| 428 | <dl> |
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| 429 | |
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| 430 | <dt> |
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| 431 | <span class="codefrag">dfs.permissions = true </span> |
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| 432 | </dt> |
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| 433 | |
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| 434 | <dd> |
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| 435 | åŠææ¯ <span class="codefrag">true</span>ïŒåæåŒåææè¿°çæéç³»ç»ãåŠææ¯ <span class="codefrag">false</span>ïŒæé<em>æ£æ¥</em> å°±æ¯å
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| 436 | <p> |
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| 439 | äžç®¡æéæš¡åŒæ¯åŒè¿æ¯å
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| 440 | </dd> |
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| 441 | |
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| 442 | <dt> |
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| 443 | <span class="codefrag">dfs.web.ugi = webuser,webgroup</span> |
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| 445 | |
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| 446 | <dd> |
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| 447 | Webæå¡åšäœ¿çšççšæ·åãåŠæå°è¿äžªåæ°è®Ÿçœ®äžºè¶
级çšæ·çå称ïŒåææWeb客æ·å°±å¯ä»¥çå°ææçä¿¡æ¯ãåŠæå°è¿äžªåæ°è®Ÿçœ®äžºäžäžªäžäœ¿çšççšæ·ïŒåWeb客æ·å°±åªèœè®¿é®å°“other”æéå¯è®¿é®çèµæºäºãé¢å€çç»å¯ä»¥å åšåé¢ïŒåœ¢æäžäžªçšéå·åéçåè¡šã |
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| 448 | </dd> |
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| 449 | |
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| 450 | <dt> |
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| 451 | <span class="codefrag">dfs.permissions.supergroup = supergroup</span> |
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| 452 | </dt> |
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| 453 | |
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| 454 | <dd> |
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| 455 | è¶
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| 456 | </dd> |
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| 457 | |
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| 458 | <dt> |
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| 459 | <span class="codefrag">dfs.upgrade.permission = 777</span> |
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| 461 | |
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| 462 | <dd> |
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| 463 | å级æ¶çåå§æš¡åŒãæ件<em>æ°žäžäŒ</em>被讟眮<em>x</em>æéãåšé
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| 465 | |
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| 467 | <span class="codefrag">dfs.umask = 022</span> |
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| 469 | |
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| 471 | |
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| 472 | <span class="codefrag">umask</span>åæ°åšå建æ件åç®åœæ¶äœ¿çšãåšé
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| 492 | document.write("Last Published: " + document.lastModified); |
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| 493 | // --></script> |
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| 494 | </div> |
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| 495 | <div class="copyright"> |
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| 496 | Copyright © |
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| 497 | 2007 <a href="http://www.apache.org/licenses/">The Apache Software Foundation.</a> |
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