One way is to use separate crawls and indexes and store them in different
directories
e.g. /usr/home/idxdir1
/usr/home/idxdir2
you can then use 2 different nutch-site.xml files (e.g. nutch-site.xml ,
nutch-site2.xml)
For the first search you can use the default nutch-site.xml and point it to
first index directory and you can use the default search.jsp that was
provided.
For searching the second index use nutch-site2.xml and point it to second
index directory.
Then use search2.jsp which is a copy of search.jsp with following
modifications.
/*
Comment this original line of code and use code below.
Configuration nutchConf = NutchConfiguration.get(application);
*/
Configuration nutchConf = application.getAttribute("myconfig");
if (nutchConf == null) {
nutchConf = new Configuration();
nutchConf.addDefaultResource("nutch-default.xml");
nutchConf.addFinalResource("nutch-site2.xml");
application.setAttribute("myconfig",nutchConf);
}
You can extend this idea to as many different indexes as you want.Note I
have used this with 0.8 version.
If you look at the source code for NutchConfiguration.java you will get an
idea about the code above
and you can do something similar in other versions if it is different.
Maher wrote:
>
> Hello everybody,
>
> I'm building a little documents search engine using Nutch 0.7 and Tomcat
> 5.5.16 and I'm wondering if it can handle 3 different indexes (db), one
> for each of the three types of documents I'm going to crawl ? So that I
> can have three independant db and I can search in each of them from a
> single front end page.
>
> The main problem is the path to the index in nutch-site.xml
> (searcher.dir) how to use 3 different paths...etc.
>
> Thanks
>
>
> ---------------------------------
> Yahoo! Mail réinvente le mail ! Découvrez le nouveau Yahoo! Mail et son
> interface révolutionnaire.
>
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