BTW you can also take a look at this book (complete draft of all chapters available for download for free) http://www.umiacs.umd.edu/~jimmylin/book.html
Lukas On Fri, Feb 26, 2010 at 1:30 PM, Lukáš Vlček <lukas.vl...@gmail.com> wrote: > Hi, > > if you are serious about Hadoop then I can warmly recommend book by Tom > White: http://www.hadoopbook.com/ > (Disclaimer: I am not paid for this commercial, I do it just because I > found Tom's book valuable and worth buying.) > > Regards, > Lukas > > > On Fri, Feb 26, 2010 at 8:55 AM, Sujitha <gs...@tce.edu> wrote: > >> >> > No, Hadoop do not use Lucene. >> >> have studied like >> >> http://highscalability.com/how-rackspace-now-uses-mapreduce-and-hadoop-query-terabytes-data >> >> ---Given that..... >> >> The way the current Hadoop based system works is: >> Raw logs get streamed from hundreds of mail servers to the Hadoop >> Distributed File System (”HDFS”) in real time. >> MapReduce jobs are scheduled run to index the new data using Apache >> Lucene >> and Solr. >> Once the indexes have been built, they are compressed and stored away in >> HDFS. >> Each Hadoop datanode runs a Tomcat servlet container, which hosts a >> number >> of Solr instances that pull and merge the new indexes, and provide really >> fast search results to our support team. >> >> > And do you mean slor combine the Lucene and Hadoop ? >> >> No..Is that Solr (search server) uses Lucene (has library) that supports >> the search..Solr needs Lucene to perform full-text indexing and searching >> etc.,am i right?? >> >> >> > >> > >> > >> > On Fri, Feb 26, 2010 at 2:52 PM, <gs...@tce.edu> wrote: >> > >> >> hi all >> >> when studying how hadoop framework works i have noticed that >> >> map reduce in turn uses apache lucene for creating index for scheduled >> >> new data and solr for creating instances. Is that right??? >> >> thanks >> >> sujitha >> >> >> >> >> >> >> >> >> >> ----------------------------------------- >> >> This email was sent using TCEMail Service. >> >> Thiagarajar College of Engineering >> >> Madurai-625 015, India >> >> >> >> >> > >> > >> > -- >> > Best Regards >> > >> > Jeff Zhang >> > >> >> >> -- >> Suji >> >> >> ----------------------------------------- >> This email was sent using TCEMail Service. >> Thiagarajar College of Engineering >> Madurai-625 015, India >> >> >
