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  126. <h1>Welcome to Hadoop!</h1>
  127. <div id="minitoc-area">
  128. <ul class="minitoc">
  129. <li>
  130. <a href="#News">News</a>
  131. <ul class="minitoc">
  132. <li>
  133. <a href="#6+April%2C+2007%3A+release+0.12.3+available">6 April, 2007: release 0.12.3 available</a>
  134. </li>
  135. <li>
  136. <a href="#23+March%2C+2007%3A+release+0.12.2+available">23 March, 2007: release 0.12.2 available</a>
  137. </li>
  138. <li>
  139. <a href="#17+March%2C+2007%3A+release+0.12.1+available">17 March, 2007: release 0.12.1 available</a>
  140. </li>
  141. <li>
  142. <a href="#2+March%2C+2007%3A+release+0.12.0+available">2 March, 2007: release 0.12.0 available</a>
  143. </li>
  144. <li>
  145. <a href="#16+February%2C+2007%3A+release+0.11.2+available">16 February, 2007: release 0.11.2 available</a>
  146. </li>
  147. <li>
  148. <a href="#9+February%2C+2007%3A+release+0.11.1+available">9 February, 2007: release 0.11.1 available</a>
  149. </li>
  150. <li>
  151. <a href="#2+February%2C+2007%3A+release+0.11.0+available">2 February, 2007: release 0.11.0 available</a>
  152. </li>
  153. <li>
  154. <a href="#10+January%2C+2007%3A+release+0.10.1+available">10 January, 2007: release 0.10.1 available</a>
  155. </li>
  156. <li>
  157. <a href="#5+January%2C+2007%3A+release+0.10.0+available">5 January, 2007: release 0.10.0 available</a>
  158. </li>
  159. <li>
  160. <a href="#15+December%2C+2006%3A+release+0.9.2+available">15 December, 2006: release 0.9.2 available</a>
  161. </li>
  162. <li>
  163. <a href="#6+December%2C+2006%3A+release+0.9.1+available">6 December, 2006: release 0.9.1 available</a>
  164. </li>
  165. <li>
  166. <a href="#1+December%2C+2006%3A+release+0.9.0+available">1 December, 2006: release 0.9.0 available</a>
  167. </li>
  168. <li>
  169. <a href="#3+November%2C+2006%3A+release+0.8.0+available">3 November, 2006: release 0.8.0 available</a>
  170. </li>
  171. <li>
  172. <a href="#18+October%2C+2006%3A+release+0.7.2+available">18 October, 2006: release 0.7.2 available</a>
  173. </li>
  174. <li>
  175. <a href="#11+October%2C+2006%3A+release+0.7.1+available">11 October, 2006: release 0.7.1 available</a>
  176. </li>
  177. <li>
  178. <a href="#6+October%2C+2006%3A+release+0.7.0+available">6 October, 2006: release 0.7.0 available</a>
  179. </li>
  180. <li>
  181. <a href="#18+September%2C+2006%3A+release+0.6.2+available">18 September, 2006: release 0.6.2 available</a>
  182. </li>
  183. <li>
  184. <a href="#13+September%2C+2006%3A+release+0.6.1+available">13 September, 2006: release 0.6.1 available</a>
  185. </li>
  186. <li>
  187. <a href="#8+September%2C+2006%3A+release+0.6.0+available">8 September, 2006: release 0.6.0 available</a>
  188. </li>
  189. <li>
  190. <a href="#4+August%2C+2006%3A+release+0.5.0+available">4 August, 2006: release 0.5.0 available</a>
  191. </li>
  192. <li>
  193. <a href="#28+June%2C+2006%3A+release+0.4.0+available">28 June, 2006: release 0.4.0 available</a>
  194. </li>
  195. <li>
  196. <a href="#9+June%2C+2006%3A+release+0.3.2+available">9 June, 2006: release 0.3.2 available</a>
  197. </li>
  198. <li>
  199. <a href="#8+June%2C+2006%3A+FAQ+added+to+Wiki">8 June, 2006: FAQ added to Wiki</a>
  200. </li>
  201. <li>
  202. <a href="#5+June%2C+2006%3A+release+0.3.1+available">5 June, 2006: release 0.3.1 available</a>
  203. </li>
  204. <li>
  205. <a href="#2+June%2C+2006%3A+release+0.3.0+available">2 June, 2006: release 0.3.0 available</a>
  206. </li>
  207. <li>
  208. <a href="#12+May%2C+2006%3A+release+0.2.1+available">12 May, 2006: release 0.2.1 available</a>
  209. </li>
  210. <li>
  211. <a href="#5+May%2C+2006%3A+release+0.2.0+available">5 May, 2006: release 0.2.0 available</a>
  212. </li>
  213. <li>
  214. <a href="#2+April%2C+2006%3A+release+0.1.0+available">2 April, 2006: release 0.1.0 available</a>
  215. </li>
  216. <li>
  217. <a href="#6+February%2C+2006%3A+nightly+builds">6 February, 2006: nightly builds</a>
  218. </li>
  219. <li>
  220. <a href="#3+February%2C+2006%3A+Hadoop+code+moved+out+of+Nutch">3 February, 2006: Hadoop code moved out of Nutch</a>
  221. </li>
  222. <li>
  223. <a href="#30+March%2C+2006%3A+Hadoop+project+approved">30 March, 2006: Hadoop project approved</a>
  224. </li>
  225. </ul>
  226. </li>
  227. </ul>
  228. </div>
  229. <a name="N1000C"></a><a name="News"></a>
  230. <h2 class="h3">News</h2>
  231. <div class="section">
  232. <a name="N10012"></a><a name="6+April%2C+2007%3A+release+0.12.3+available"></a>
  233. <h3 class="h4">6 April, 2007: release 0.12.3 available</h3>
  234. <p>For details see the <a href="http://tinyurl.com/35qyhw">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="N10024"></a><a name="23+March%2C+2007%3A+release+0.12.2+available"></a>
  239. <h3 class="h4">23 March, 2007: release 0.12.2 available</h3>
  240. <p>For details see the <a href="http://tinyurl.com/2r7kcw">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="N10036"></a><a name="17+March%2C+2007%3A+release+0.12.1+available"></a>
  245. <h3 class="h4">17 March, 2007: release 0.12.1 available</h3>
  246. <p>For details see the <a href="http://tinyurl.com/2kynuc">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="N10048"></a><a name="2+March%2C+2007%3A+release+0.12.0+available"></a>
  251. <h3 class="h4">2 March, 2007: release 0.12.0 available</h3>
  252. <p>For details see the <a href="http://tinyurl.com/2vp248">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="N1005A"></a><a name="16+February%2C+2007%3A+release+0.11.2+available"></a>
  257. <h3 class="h4">16 February, 2007: release 0.11.2 available</h3>
  258. <p>This fixes critical bugs in 0.11.1. For details see the <a href="http://tinyurl.com/2ukkt3">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="N1006C"></a><a name="9+February%2C+2007%3A+release+0.11.1+available"></a>
  263. <h3 class="h4">9 February, 2007: release 0.11.1 available</h3>
  264. <p>This fixes bugs in 0.11.0. For details see the <a href="http://tinyurl.com/37c5a3">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="N1007E"></a><a name="2+February%2C+2007%3A+release+0.11.0+available"></a>
  269. <h3 class="h4">2 February, 2007: release 0.11.0 available</h3>
  270. <p>For details see the <a href="http://tinyurl.com/2yn8zs">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="N10090"></a><a name="10+January%2C+2007%3A+release+0.10.1+available"></a>
  275. <h3 class="h4">10 January, 2007: release 0.10.1 available</h3>
  276. <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
  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="N100A2"></a><a name="5+January%2C+2007%3A+release+0.10.0+available"></a>
  281. <h3 class="h4">5 January, 2007: release 0.10.0 available</h3>
  282. <p>For details see the <a href="http://tinyurl.com/yapkxs">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="N100B4"></a><a name="15+December%2C+2006%3A+release+0.9.2+available"></a>
  287. <h3 class="h4">15 December, 2006: release 0.9.2 available</h3>
  288. <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
  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="N100C6"></a><a name="6+December%2C+2006%3A+release+0.9.1+available"></a>
  293. <h3 class="h4">6 December, 2006: release 0.9.1 available</h3>
  294. <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
  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="N100D8"></a><a name="1+December%2C+2006%3A+release+0.9.0+available"></a>
  299. <h3 class="h4">1 December, 2006: release 0.9.0 available</h3>
  300. <p>For details see the <a href="http://tinyurl.com/sdjhb">release notes</a>. The release can
  301. be obtained from <a href="http://www.apache.org/dyn/closer.cgi/lucene/hadoop/"> a
  302. nearby mirror</a>.
  303. </p>
  304. <a name="N100EA"></a><a name="3+November%2C+2006%3A+release+0.8.0+available"></a>
  305. <h3 class="h4">3 November, 2006: release 0.8.0 available</h3>
  306. <p>For details see the <a href="http://tinyurl.com/ykqv6s">release notes</a>. The release can
  307. be obtained from <a href="http://www.apache.org/dyn/closer.cgi/lucene/hadoop/"> a
  308. nearby mirror</a>.
  309. </p>
  310. <a name="N100FC"></a><a name="18+October%2C+2006%3A+release+0.7.2+available"></a>
  311. <h3 class="h4">18 October, 2006: release 0.7.2 available</h3>
  312. <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
  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="N1010E"></a><a name="11+October%2C+2006%3A+release+0.7.1+available"></a>
  317. <h3 class="h4">11 October, 2006: release 0.7.1 available</h3>
  318. <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
  319. be obtained from <a href="http://www.apache.org/dyn/closer.cgi/lucene/hadoop/"> a
  320. nearby mirror</a>.
  321. </p>
  322. <a name="N10120"></a><a name="6+October%2C+2006%3A+release+0.7.0+available"></a>
  323. <h3 class="h4">6 October, 2006: release 0.7.0 available</h3>
  324. <p>For details see the <a href="http://tinyurl.com/kvd9m">release notes</a>. The release can
  325. be obtained from <a href="http://www.apache.org/dyn/closer.cgi/lucene/hadoop/"> a
  326. nearby mirror</a>.
  327. </p>
  328. <a name="N10132"></a><a name="18+September%2C+2006%3A+release+0.6.2+available"></a>
  329. <h3 class="h4">18 September, 2006: release 0.6.2 available</h3>
  330. <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
  331. be obtained from <a href="http://www.apache.org/dyn/closer.cgi/lucene/hadoop/"> a
  332. nearby mirror</a>.
  333. </p>
  334. <a name="N10144"></a><a name="13+September%2C+2006%3A+release+0.6.1+available"></a>
  335. <h3 class="h4">13 September, 2006: release 0.6.1 available</h3>
  336. <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
  337. be obtained from <a href="http://www.apache.org/dyn/closer.cgi/lucene/hadoop/"> a
  338. nearby mirror</a>.
  339. </p>
  340. <a name="N10156"></a><a name="8+September%2C+2006%3A+release+0.6.0+available"></a>
  341. <h3 class="h4">8 September, 2006: release 0.6.0 available</h3>
  342. <p>For details see the <a href="http://tinyurl.com/r3zoj">release notes</a>. The release can
  343. be obtained from <a href="http://www.apache.org/dyn/closer.cgi/lucene/hadoop/"> a
  344. nearby mirror</a>.
  345. </p>
  346. <a name="N10168"></a><a name="4+August%2C+2006%3A+release+0.5.0+available"></a>
  347. <h3 class="h4">4 August, 2006: release 0.5.0 available</h3>
  348. <p>For details see the <a href="http://tinyurl.com/pnml2">release notes</a>. The release can
  349. be obtained from <a href="http://www.apache.org/dyn/closer.cgi/lucene/hadoop/"> a
  350. nearby mirror</a>.
  351. </p>
  352. <a name="N1017A"></a><a name="28+June%2C+2006%3A+release+0.4.0+available"></a>
  353. <h3 class="h4">28 June, 2006: release 0.4.0 available</h3>
  354. <p>For details see the <a href="http://tinyurl.com/o35b6">change log</a>. The release can
  355. be obtained from <a href="http://www.apache.org/dyn/closer.cgi/lucene/hadoop/"> a
  356. nearby mirror</a>.
  357. </p>
  358. <a name="N1018C"></a><a name="9+June%2C+2006%3A+release+0.3.2+available"></a>
  359. <h3 class="h4">9 June, 2006: release 0.3.2 available</h3>
  360. <p>This is a bugfix release. For details see the <a href="http://tinyurl.com/k9g5c">change log</a>. The release can
  361. be obtained from <a href="http://www.apache.org/dyn/closer.cgi/lucene/hadoop/"> a
  362. nearby mirror</a>.
  363. </p>
  364. <a name="N1019E"></a><a name="8+June%2C+2006%3A+FAQ+added+to+Wiki"></a>
  365. <h3 class="h4">8 June, 2006: FAQ added to Wiki</h3>
  366. <p>Hadoop now has a <a href="http://wiki.apache.org/lucene-hadoop/FAQ">FAQ</a>. Please
  367. help make this more complete!
  368. </p>
  369. <a name="N101AC"></a><a name="5+June%2C+2006%3A+release+0.3.1+available"></a>
  370. <h3 class="h4">5 June, 2006: release 0.3.1 available</h3>
  371. <p>This is a bugfix release. For details see the <a href="http://tinyurl.com/l6on4">change log</a>. The release can
  372. be obtained from <a href="http://www.apache.org/dyn/closer.cgi/lucene/hadoop/"> a
  373. nearby mirror</a>.
  374. </p>
  375. <a name="N101BE"></a><a name="2+June%2C+2006%3A+release+0.3.0+available"></a>
  376. <h3 class="h4">2 June, 2006: release 0.3.0 available</h3>
  377. <p>This includes many fixes, improving performance, scalability
  378. and reliability and adding new features. For details see the <a href="http://tinyurl.com/rq3f7">change log</a>. The release can
  379. be obtained from <a href="http://www.apache.org/dyn/closer.cgi/lucene/hadoop/"> a
  380. nearby mirror</a>.
  381. </p>
  382. <a name="N101D0"></a><a name="12+May%2C+2006%3A+release+0.2.1+available"></a>
  383. <h3 class="h4">12 May, 2006: release 0.2.1 available</h3>
  384. <p>This fixes a few bugs in release 0.2.0, listed in the <a href="http://tinyurl.com/rnnvz">change log</a>. The
  385. release can be obtained from <a href="http://www.apache.org/dyn/closer.cgi/lucene/hadoop/"> a
  386. nearby mirror</a>.
  387. </p>
  388. <a name="N101E2"></a><a name="5+May%2C+2006%3A+release+0.2.0+available"></a>
  389. <h3 class="h4">5 May, 2006: release 0.2.0 available</h3>
  390. <p>We are now aiming for monthly releases. There have been many
  391. bug fixes and improvements in the past month. MapReduce and DFS
  392. are now fairly reliable on clusters with up to 200 nodes. See
  393. the <a href="http://tinyurl.com/qkgsg">change log</a> for
  394. details. The release can be obtained from <a href="http://www.apache.org/dyn/closer.cgi/lucene/hadoop/"> a
  395. nearby mirror</a>.
  396. </p>
  397. <a name="N101F4"></a><a name="2+April%2C+2006%3A+release+0.1.0+available"></a>
  398. <h3 class="h4">2 April, 2006: release 0.1.0 available</h3>
  399. <p>This is the first Hadoop release. The release is available
  400. <a href="http://www.apache.org/dyn/closer.cgi/lucene/hadoop/">
  401. here</a>.</p>
  402. <a name="N10202"></a><a name="6+February%2C+2006%3A+nightly+builds"></a>
  403. <h3 class="h4">6 February, 2006: nightly builds</h3>
  404. <p>Hadoop now has nightly builds. This automatically creates a
  405. <a href="http://lucene.zones.apache.org:8080/hudson/job/Hadoop-Nightly/">downloadable version of Hadoop every
  406. night</a>. All unit tests must pass, or a message is sent to
  407. the developers mailing list and no new version is created. This
  408. also updates the <a href="api/index.html">javadoc</a>.</p>
  409. <a name="N10214"></a><a name="3+February%2C+2006%3A+Hadoop+code+moved+out+of+Nutch"></a>
  410. <h3 class="h4">3 February, 2006: Hadoop code moved out of Nutch</h3>
  411. <p>The Hadoop code has now been moved into its own Subversion
  412. tree, renamed into packages under <span class="codefrag">org.apache.hadoop</span>.
  413. All unit tests pass, but little else has yet been tested.</p>
  414. <a name="N10221"></a><a name="30+March%2C+2006%3A+Hadoop+project+approved"></a>
  415. <h3 class="h4">30 March, 2006: Hadoop project approved</h3>
  416. <p>The Lucene PMC has elected to split the Nutch MapReduce and
  417. distributed filesytem code into a new project named Hadoop.</p>
  418. </div>
  419. </div>
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