index.html 17 KB

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374
  1. <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
  2. <html>
  3. <head>
  4. <META http-equiv="Content-Type" content="text/html; charset=UTF-8">
  5. <meta content="Apache Forrest" name="Generator">
  6. <meta name="Forrest-version" content="0.7">
  7. <meta name="Forrest-skin-name" content="pelt">
  8. <title>Welcome to Hadoop!</title>
  9. <link type="text/css" href="skin/basic.css" rel="stylesheet">
  10. <link media="screen" type="text/css" href="skin/screen.css" rel="stylesheet">
  11. <link media="print" type="text/css" href="skin/print.css" rel="stylesheet">
  12. <link type="text/css" href="skin/profile.css" rel="stylesheet">
  13. <script src="skin/getBlank.js" language="javascript" type="text/javascript"></script><script src="skin/getMenu.js" language="javascript" type="text/javascript"></script><script src="skin/fontsize.js" language="javascript" type="text/javascript"></script>
  14. <link rel="shortcut icon" href="images/favicon.ico">
  15. </head>
  16. <body onload="init()">
  17. <script type="text/javascript">ndeSetTextSize();</script>
  18. <div id="top">
  19. <div class="breadtrail">
  20. <a href="http://www.apache.org/">Apache</a> &gt; <a href="http://lucene.apache.org/">Lucene</a> &gt; <a href="http://lucene.apache.org/hadoop/">Hadoop</a><script src="skin/breadcrumbs.js" language="JavaScript" type="text/javascript"></script>
  21. </div>
  22. <div class="header">
  23. <div class="grouplogo">
  24. <a href="http://lucene.apache.org/"><img class="logoImage" alt="Lucene" src="images/lucene_green_150.gif" title="Apache Lucene"></a>
  25. </div>
  26. <div class="projectlogo">
  27. <a href="http://lucene.apache.org/hadoop/"><img class="logoImage" alt="Hadoop" src="images/hadoop-logo.jpg" title="Scalable Computing Platform"></a>
  28. </div>
  29. <div class="searchbox">
  30. <form action="http://www.google.com/search" method="get" class="roundtopsmall">
  31. <input value="lucene.apache.org" name="sitesearch" type="hidden"><input onFocus="getBlank (this, 'Search the site with google');" size="25" name="q" id="query" type="text" value="Search the site with google">&nbsp;
  32. <input attr="value" name="Search" value="Search" type="submit">
  33. </form>
  34. </div>
  35. <ul id="tabs">
  36. <li class="current">
  37. <a class="base-selected" href="index.html">Main</a>
  38. </li>
  39. <li>
  40. <a class="base-not-selected" href="http://wiki.apache.org/lucene-hadoop">Wiki</a>
  41. </li>
  42. </ul>
  43. </div>
  44. </div>
  45. <div id="main">
  46. <div id="publishedStrip">
  47. <div id="level2tabs"></div>
  48. <script type="text/javascript"><!--
  49. document.write("<text>Last Published:</text> " + document.lastModified);
  50. // --></script>
  51. </div>
  52. <div class="breadtrail">
  53. &nbsp;
  54. </div>
  55. <div id="menu">
  56. <div onclick="SwitchMenu('menu_selected_1.1', 'skin/')" id="menu_selected_1.1Title" class="menutitle" style="background-image: url('skin/images/chapter_open.gif');">Project</div>
  57. <div id="menu_selected_1.1" class="selectedmenuitemgroup" style="display: block;">
  58. <div class="menupage">
  59. <div class="menupagetitle">News</div>
  60. </div>
  61. <div class="menuitem">
  62. <a href="about.html">About</a>
  63. </div>
  64. <div class="menuitem">
  65. <a href="credits.html">Credits</a>
  66. </div>
  67. <div class="menuitem">
  68. <a href="http://www.cafepress.com/hadoop/">Buy Stuff</a>
  69. </div>
  70. </div>
  71. <div onclick="SwitchMenu('menu_1.2', 'skin/')" id="menu_1.2Title" class="menutitle">Documentation</div>
  72. <div id="menu_1.2" class="menuitemgroup">
  73. <div class="menuitem">
  74. <a href="http://wiki.apache.org/lucene-hadoop/FAQ">FAQ</a>
  75. </div>
  76. <div class="menuitem">
  77. <a href="http://wiki.apache.org/lucene-hadoop/">Wiki</a>
  78. </div>
  79. <div class="menuitem">
  80. <a href="hdfs_design.html">Hadoop File System</a>
  81. </div>
  82. <div class="menuitem">
  83. <a href="api/index.html">API Docs</a>
  84. </div>
  85. </div>
  86. <div onclick="SwitchMenu('menu_1.3', 'skin/')" id="menu_1.3Title" class="menutitle">Resources</div>
  87. <div id="menu_1.3" class="menuitemgroup">
  88. <div class="menuitem">
  89. <a href="http://www.apache.org/dyn/closer.cgi/lucene/hadoop/">Download</a>
  90. </div>
  91. <div class="menuitem">
  92. <a href="mailing_lists.html">Mailing Lists</a>
  93. </div>
  94. <div class="menuitem">
  95. <a href="issue_tracking.html">Issue Tracking</a>
  96. </div>
  97. <div class="menuitem">
  98. <a href="version_control.html">Version Control</a>
  99. </div>
  100. </div>
  101. <div onclick="SwitchMenu('menu_1.4', 'skin/')" id="menu_1.4Title" class="menutitle">Related Projects</div>
  102. <div id="menu_1.4" class="menuitemgroup">
  103. <div class="menuitem">
  104. <a href="http://lucene.apache.org/java/">Lucene</a>
  105. </div>
  106. <div class="menuitem">
  107. <a href="http://lucene.apache.org/nutch/">Nutch</a>
  108. </div>
  109. </div>
  110. <div id="credit">
  111. <hr>
  112. <a href="http://forrest.apache.org/"><img border="0" title="Built with Apache Forrest" alt="Built with Apache Forrest - logo" src="images/built-with-forrest-button.png" style="width: 88px;height: 31px;"></a>
  113. </div>
  114. <div id="roundbottom">
  115. <img style="display: none" class="corner" height="15" width="15" alt="" src="skin/images/rc-b-l-15-1body-2menu-3menu.png"></div>
  116. <div id="credit2"></div>
  117. </div>
  118. <div id="content">
  119. <div title="Portable Document Format" class="pdflink">
  120. <a class="dida" href="index.pdf"><img alt="PDF -icon" src="skin/images/pdfdoc.gif" class="skin"><br>
  121. PDF</a>
  122. </div>
  123. <h1>Welcome to Hadoop!</h1>
  124. <div id="minitoc-area">
  125. <ul class="minitoc">
  126. <li>
  127. <a href="#News">News</a>
  128. <ul class="minitoc">
  129. <li>
  130. <a href="#10+January%2C+2007%3A+release+0.10.1+available">10 January, 2007: release 0.10.1 available</a>
  131. </li>
  132. <li>
  133. <a href="#5+January%2C+2007%3A+release+0.10.0+available">5 January, 2007: release 0.10.0 available</a>
  134. </li>
  135. <li>
  136. <a href="#15+December%2C+2006%3A+release+0.9.2+available">15 December, 2006: release 0.9.2 available</a>
  137. </li>
  138. <li>
  139. <a href="#6+December%2C+2006%3A+release+0.9.1+available">6 December, 2006: release 0.9.1 available</a>
  140. </li>
  141. <li>
  142. <a href="#1+December%2C+2006%3A+release+0.9.0+available">1 December, 2006: release 0.9.0 available</a>
  143. </li>
  144. <li>
  145. <a href="#3+November%2C+2006%3A+release+0.8.0+available">3 November, 2006: release 0.8.0 available</a>
  146. </li>
  147. <li>
  148. <a href="#18+October%2C+2006%3A+release+0.7.2+available">18 October, 2006: release 0.7.2 available</a>
  149. </li>
  150. <li>
  151. <a href="#11+October%2C+2006%3A+release+0.7.1+available">11 October, 2006: release 0.7.1 available</a>
  152. </li>
  153. <li>
  154. <a href="#6+October%2C+2006%3A+release+0.7.0+available">6 October, 2006: release 0.7.0 available</a>
  155. </li>
  156. <li>
  157. <a href="#18+September%2C+2006%3A+release+0.6.2+available">18 September, 2006: release 0.6.2 available</a>
  158. </li>
  159. <li>
  160. <a href="#13+September%2C+2006%3A+release+0.6.1+available">13 September, 2006: release 0.6.1 available</a>
  161. </li>
  162. <li>
  163. <a href="#8+September%2C+2006%3A+release+0.6.0+available">8 September, 2006: release 0.6.0 available</a>
  164. </li>
  165. <li>
  166. <a href="#4+August%2C+2006%3A+release+0.5.0+available">4 August, 2006: release 0.5.0 available</a>
  167. </li>
  168. <li>
  169. <a href="#28+June%2C+2006%3A+release+0.4.0+available">28 June, 2006: release 0.4.0 available</a>
  170. </li>
  171. <li>
  172. <a href="#9+June%2C+2006%3A+release+0.3.2+available">9 June, 2006: release 0.3.2 available</a>
  173. </li>
  174. <li>
  175. <a href="#8+June%2C+2006%3A+FAQ+added+to+Wiki">8 June, 2006: FAQ added to Wiki</a>
  176. </li>
  177. <li>
  178. <a href="#5+June%2C+2006%3A+release+0.3.1+available">5 June, 2006: release 0.3.1 available</a>
  179. </li>
  180. <li>
  181. <a href="#2+June%2C+2006%3A+release+0.3.0+available">2 June, 2006: release 0.3.0 available</a>
  182. </li>
  183. <li>
  184. <a href="#12+May%2C+2006%3A+release+0.2.1+available">12 May, 2006: release 0.2.1 available</a>
  185. </li>
  186. <li>
  187. <a href="#5+May%2C+2006%3A+release+0.2.0+available">5 May, 2006: release 0.2.0 available</a>
  188. </li>
  189. <li>
  190. <a href="#2+April%2C+2006%3A+release+0.1.0+available">2 April, 2006: release 0.1.0 available</a>
  191. </li>
  192. <li>
  193. <a href="#6+February%2C+2006%3A+nightly+builds">6 February, 2006: nightly builds</a>
  194. </li>
  195. <li>
  196. <a href="#3+February%2C+2006%3A+Hadoop+code+moved+out+of+Nutch">3 February, 2006: Hadoop code moved out of Nutch</a>
  197. </li>
  198. <li>
  199. <a href="#30+March%2C+2006%3A+Hadoop+project+approved">30 March, 2006: Hadoop project approved</a>
  200. </li>
  201. </ul>
  202. </li>
  203. </ul>
  204. </div>
  205. <a name="N1000C"></a><a name="News"></a>
  206. <h2 class="h3">News</h2>
  207. <div class="section">
  208. <a name="N10012"></a><a name="10+January%2C+2007%3A+release+0.10.1+available"></a>
  209. <h3 class="h4">10 January, 2007: release 0.10.1 available</h3>
  210. <p>This fixes critical bugs in 0.10.0. For details see the <a href="http://tinyurl.com/ycpsms">release notes</a>. The release can
  211. be obtained from <a href="http://www.apache.org/dyn/closer.cgi/lucene/hadoop/"> a
  212. nearby mirror</a>.
  213. </p>
  214. <a name="N10024"></a><a name="5+January%2C+2007%3A+release+0.10.0+available"></a>
  215. <h3 class="h4">5 January, 2007: release 0.10.0 available</h3>
  216. <p>For details see the <a href="http://tinyurl.com/yapkxs">release notes</a>. The release can
  217. be obtained from <a href="http://www.apache.org/dyn/closer.cgi/lucene/hadoop/"> a
  218. nearby mirror</a>.
  219. </p>
  220. <a name="N10036"></a><a name="15+December%2C+2006%3A+release+0.9.2+available"></a>
  221. <h3 class="h4">15 December, 2006: release 0.9.2 available</h3>
  222. <p>This fixes critical bugs in 0.9.1. For details see the <a href="http://tinyurl.com/ya8lfd">release notes</a>. The release can
  223. be obtained from <a href="http://www.apache.org/dyn/closer.cgi/lucene/hadoop/"> a
  224. nearby mirror</a>.
  225. </p>
  226. <a name="N10048"></a><a name="6+December%2C+2006%3A+release+0.9.1+available"></a>
  227. <h3 class="h4">6 December, 2006: release 0.9.1 available</h3>
  228. <p>This fixes critical bugs in 0.9.0. For details see the <a href="http://tinyurl.com/y55d7p">release notes</a>. The release can
  229. be obtained from <a href="http://www.apache.org/dyn/closer.cgi/lucene/hadoop/"> a
  230. nearby mirror</a>.
  231. </p>
  232. <a name="N1005A"></a><a name="1+December%2C+2006%3A+release+0.9.0+available"></a>
  233. <h3 class="h4">1 December, 2006: release 0.9.0 available</h3>
  234. <p>For details see the <a href="http://tinyurl.com/sdjhb">release notes</a>. The release can
  235. be obtained from <a href="http://www.apache.org/dyn/closer.cgi/lucene/hadoop/"> a
  236. nearby mirror</a>.
  237. </p>
  238. <a name="N1006C"></a><a name="3+November%2C+2006%3A+release+0.8.0+available"></a>
  239. <h3 class="h4">3 November, 2006: release 0.8.0 available</h3>
  240. <p>For details see the <a href="http://tinyurl.com/ykqv6s">release notes</a>. The release can
  241. be obtained from <a href="http://www.apache.org/dyn/closer.cgi/lucene/hadoop/"> a
  242. nearby mirror</a>.
  243. </p>
  244. <a name="N1007E"></a><a name="18+October%2C+2006%3A+release+0.7.2+available"></a>
  245. <h3 class="h4">18 October, 2006: release 0.7.2 available</h3>
  246. <p>This fixes critical bugs in 0.7.1. For details see the <a href="http://tinyurl.com/ygy6y7">release notes</a>. The release can
  247. be obtained from <a href="http://www.apache.org/dyn/closer.cgi/lucene/hadoop/"> a
  248. nearby mirror</a>.
  249. </p>
  250. <a name="N10090"></a><a name="11+October%2C+2006%3A+release+0.7.1+available"></a>
  251. <h3 class="h4">11 October, 2006: release 0.7.1 available</h3>
  252. <p>This fixes critical bugs in 0.7.0. For details see the <a href="http://tinyurl.com/p7qod">release notes</a>. The release can
  253. be obtained from <a href="http://www.apache.org/dyn/closer.cgi/lucene/hadoop/"> a
  254. nearby mirror</a>.
  255. </p>
  256. <a name="N100A2"></a><a name="6+October%2C+2006%3A+release+0.7.0+available"></a>
  257. <h3 class="h4">6 October, 2006: release 0.7.0 available</h3>
  258. <p>For details see the <a href="http://tinyurl.com/kvd9m">release notes</a>. The release can
  259. be obtained from <a href="http://www.apache.org/dyn/closer.cgi/lucene/hadoop/"> a
  260. nearby mirror</a>.
  261. </p>
  262. <a name="N100B4"></a><a name="18+September%2C+2006%3A+release+0.6.2+available"></a>
  263. <h3 class="h4">18 September, 2006: release 0.6.2 available</h3>
  264. <p>This fixes critical bugs in 0.6.1. For details see the <a href="http://tinyurl.com/gyb56">release notes</a>. The release can
  265. be obtained from <a href="http://www.apache.org/dyn/closer.cgi/lucene/hadoop/"> a
  266. nearby mirror</a>.
  267. </p>
  268. <a name="N100C6"></a><a name="13+September%2C+2006%3A+release+0.6.1+available"></a>
  269. <h3 class="h4">13 September, 2006: release 0.6.1 available</h3>
  270. <p>This fixes critical bugs in 0.6.0. For details see the <a href="http://tinyurl.com/lykp4">release notes</a>. The release can
  271. be obtained from <a href="http://www.apache.org/dyn/closer.cgi/lucene/hadoop/"> a
  272. nearby mirror</a>.
  273. </p>
  274. <a name="N100D8"></a><a name="8+September%2C+2006%3A+release+0.6.0+available"></a>
  275. <h3 class="h4">8 September, 2006: release 0.6.0 available</h3>
  276. <p>For details see the <a href="http://tinyurl.com/r3zoj">release notes</a>. The release can
  277. be obtained from <a href="http://www.apache.org/dyn/closer.cgi/lucene/hadoop/"> a
  278. nearby mirror</a>.
  279. </p>
  280. <a name="N100EA"></a><a name="4+August%2C+2006%3A+release+0.5.0+available"></a>
  281. <h3 class="h4">4 August, 2006: release 0.5.0 available</h3>
  282. <p>For details see the <a href="http://tinyurl.com/pnml2">release notes</a>. The release can
  283. be obtained from <a href="http://www.apache.org/dyn/closer.cgi/lucene/hadoop/"> a
  284. nearby mirror</a>.
  285. </p>
  286. <a name="N100FC"></a><a name="28+June%2C+2006%3A+release+0.4.0+available"></a>
  287. <h3 class="h4">28 June, 2006: release 0.4.0 available</h3>
  288. <p>For details see the <a href="http://tinyurl.com/o35b6">change log</a>. The release can
  289. be obtained from <a href="http://www.apache.org/dyn/closer.cgi/lucene/hadoop/"> a
  290. nearby mirror</a>.
  291. </p>
  292. <a name="N1010E"></a><a name="9+June%2C+2006%3A+release+0.3.2+available"></a>
  293. <h3 class="h4">9 June, 2006: release 0.3.2 available</h3>
  294. <p>This is a bugfix release. For details see the <a href="http://tinyurl.com/k9g5c">change log</a>. The release can
  295. be obtained from <a href="http://www.apache.org/dyn/closer.cgi/lucene/hadoop/"> a
  296. nearby mirror</a>.
  297. </p>
  298. <a name="N10120"></a><a name="8+June%2C+2006%3A+FAQ+added+to+Wiki"></a>
  299. <h3 class="h4">8 June, 2006: FAQ added to Wiki</h3>
  300. <p>Hadoop now has a <a href="http://wiki.apache.org/lucene-hadoop/FAQ">FAQ</a>. Please
  301. help make this more complete!
  302. </p>
  303. <a name="N1012E"></a><a name="5+June%2C+2006%3A+release+0.3.1+available"></a>
  304. <h3 class="h4">5 June, 2006: release 0.3.1 available</h3>
  305. <p>This is a bugfix release. For details see the <a href="http://tinyurl.com/l6on4">change log</a>. The release can
  306. be obtained from <a href="http://www.apache.org/dyn/closer.cgi/lucene/hadoop/"> a
  307. nearby mirror</a>.
  308. </p>
  309. <a name="N10140"></a><a name="2+June%2C+2006%3A+release+0.3.0+available"></a>
  310. <h3 class="h4">2 June, 2006: release 0.3.0 available</h3>
  311. <p>This includes many fixes, improving performance, scalability
  312. and reliability and adding new features. For details see the <a href="http://tinyurl.com/rq3f7">change log</a>. The release can
  313. be obtained from <a href="http://www.apache.org/dyn/closer.cgi/lucene/hadoop/"> a
  314. nearby mirror</a>.
  315. </p>
  316. <a name="N10152"></a><a name="12+May%2C+2006%3A+release+0.2.1+available"></a>
  317. <h3 class="h4">12 May, 2006: release 0.2.1 available</h3>
  318. <p>This fixes a few bugs in release 0.2.0, listed in the <a href="http://tinyurl.com/rnnvz">change log</a>. The
  319. release can be obtained from <a href="http://www.apache.org/dyn/closer.cgi/lucene/hadoop/"> a
  320. nearby mirror</a>.
  321. </p>
  322. <a name="N10164"></a><a name="5+May%2C+2006%3A+release+0.2.0+available"></a>
  323. <h3 class="h4">5 May, 2006: release 0.2.0 available</h3>
  324. <p>We are now aiming for monthly releases. There have been many
  325. bug fixes and improvements in the past month. MapReduce and DFS
  326. are now fairly reliable on clusters with up to 200 nodes. See
  327. the <a href="http://tinyurl.com/qkgsg">change log</a> for
  328. details. The release can be obtained from <a href="http://www.apache.org/dyn/closer.cgi/lucene/hadoop/"> a
  329. nearby mirror</a>.
  330. </p>
  331. <a name="N10176"></a><a name="2+April%2C+2006%3A+release+0.1.0+available"></a>
  332. <h3 class="h4">2 April, 2006: release 0.1.0 available</h3>
  333. <p>This is the first Hadoop release. The release is available
  334. <a href="http://www.apache.org/dyn/closer.cgi/lucene/hadoop/">
  335. here</a>.</p>
  336. <a name="N10184"></a><a name="6+February%2C+2006%3A+nightly+builds"></a>
  337. <h3 class="h4">6 February, 2006: nightly builds</h3>
  338. <p>Hadoop now has nightly builds. This automatically creates a
  339. <a href="http://cvs.apache.org/dist/lucene/hadoop/nightly/">downloadable version of Hadoop every
  340. night</a>. All unit tests must pass, or a message is sent to
  341. the developers mailing list and no new version is created. This
  342. also updates the <a href="api/index.html">javadoc</a>.</p>
  343. <a name="N10196"></a><a name="3+February%2C+2006%3A+Hadoop+code+moved+out+of+Nutch"></a>
  344. <h3 class="h4">3 February, 2006: Hadoop code moved out of Nutch</h3>
  345. <p>The Hadoop code has now been moved into its own Subversion
  346. tree, renamed into packages under <span class="codefrag">org.apache.hadoop</span>.
  347. All unit tests pass, but little else has yet been tested.</p>
  348. <a name="N101A3"></a><a name="30+March%2C+2006%3A+Hadoop+project+approved"></a>
  349. <h3 class="h4">30 March, 2006: Hadoop project approved</h3>
  350. <p>The Lucene PMC has elected to split the Nutch MapReduce and
  351. distributed filesytem code into a new project named Hadoop.</p>
  352. </div>
  353. </div>
  354. <div class="clearboth">&nbsp;</div>
  355. </div>
  356. <div id="footer">
  357. <div class="lastmodified">
  358. <script type="text/javascript"><!--
  359. document.write("<text>Last Published:</text> " + document.lastModified);
  360. // --></script>
  361. </div>
  362. <div class="copyright">
  363. Copyright &copy;
  364. 2005 <a href="http://www.apache.org/licenses/">The Apache Software Foundation.</a>
  365. </div>
  366. <div id="logos"></div>
  367. </div>
  368. </body>
  369. </html>