Thanks Otis. The download link sent via email has file called cemail. There is no extn. I tried with html,pdf but it is not opening properly.
Regards Ganesh ----- Original Message ----- From: "Otis Gospodnetic" <otis_gospodne...@yahoo.com> To: <java-user@lucene.apache.org> Sent: Wednesday, January 20, 2010 11:54 AM Subject: Re: Lucene as a primary datastore > Have you seen the "Hot Backups with Lucene" paper available via > http://www.manning.com/hatcher3/ ? > > > Otis > -- > Sematext -- http://sematext.com/ -- Solr - Lucene - Nutch > > > > ----- Original Message ---- >> From: Ganesh <emailg...@yahoo.co.in> >> To: java-user@lucene.apache.org >> Sent: Wed, January 20, 2010 1:13:21 AM >> Subject: Re: Lucene as a primary datastore >> >> We have data in compound files and we use Lucene as primary database. Its >> working great and much faster with millions of records. The only issue, I >> face >> is with sorting. Lucene sorting consumes good amount of memory. I don't know >> much about the MySQL/PostgreSQL database, and how they behave with millions >> of >> records but i guess their sorting memory consumption would be less. >> >> It would be great, If Lucene has the ability to do backups / replication. I >> don't know how to modify/use the solr script. >> >> Regards >> Ganesh >> >> >> ----- Original Message ----- >> From: "Otis Gospodnetic" >> To: ; >> Sent: Wednesday, January 20, 2010 10:45 AM >> Subject: Re: Lucene as a primary datastore >> >> >> > You are not alone, Guido. It's a good question. In my experience, Lucene >> > is >> as stable as MySQL/PostgreSQL in terms of its ability to hold your data and >> not >> corrupt it. Of course, even with the most expensive databases, you'd want >> to >> make backups. The same goes with Lucene. Nowadays, one way people make >> "backups" is via replication. :) Solr users thus often get backups for >> free, as >> do people who put copies of their data on file systems like HDFS, which tend >> to >> have replication turned on. >> > >> > Otis >> > -- >> > Sematext -- http://sematext.com/ -- Solr - Lucene - Nutch >> > >> > >> > >> > ----- Original Message ---- >> >> From: Guido Bartolucci >> >> To: java-user@lucene.apache.org >> >> Sent: Tue, January 19, 2010 10:58:36 PM >> >> Subject: Lucene as a primary datastore >> >> >> >> I know that the primary use case for Lucene is as an index of data >> >> that can be reconstructed (e.g., from a relational database or from >> >> spidering your corporate intranet). >> >> >> >> But, I'm curious if anyone uses Lucene as their primary datastore for >> >> their gold data. Is it good enough? >> >> >> >> Would anyone consider (or do people already) store data in Lucene >> >> that, if it was lost, would destroy their business? And no, I'm not >> >> suggesting that you don't back up this data, I'm just curious if there >> >> are problems with using Lucene in this way. Are there subtle >> >> corruptions that might show up in Lucene that wouldn't show up in >> >> Oracle or MySQL? >> >> >> >> I'm considering using Lucene in this way but I haven't been able to >> >> find any documentation describing this use case. Are there any studies >> >> of Lucene vs MySQL running for N years comparing the corruptions and >> >> recovery times? >> >> >> >> Am I just ignorant and scared of Lucene and too trusting of Oracle and >> >> MySQL? >> >> >> >> Thanks. >> >> >> >> -guido. >> >> >> >> (BTW, I did find a similar question asked back in 2007 in the archives >> >> but it doesn't really answer my question) >> >> >> >> --------------------------------------------------------------------- >> >> To unsubscribe, e-mail: java-user-unsubscr...@lucene.apache.org >> >> For additional commands, e-mail: java-user-h...@lucene.apache.org >> > >> > >> > --------------------------------------------------------------------- >> > To unsubscribe, e-mail: java-user-unsubscr...@lucene.apache.org >> > For additional commands, e-mail: java-user-h...@lucene.apache.org >> > >> Send instant messages to your online friends http://in.messenger.yahoo.com >> >> --------------------------------------------------------------------- >> To unsubscribe, e-mail: java-user-unsubscr...@lucene.apache.org >> For additional commands, e-mail: java-user-h...@lucene.apache.org > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: java-user-unsubscr...@lucene.apache.org > For additional commands, e-mail: java-user-h...@lucene.apache.org > Send instant messages to your online friends http://in.messenger.yahoo.com --------------------------------------------------------------------- To unsubscribe, e-mail: java-user-unsubscr...@lucene.apache.org For additional commands, e-mail: java-user-h...@lucene.apache.org
