But what if you’re not a technical developer and do not know JSON?Īs you can see you need no developer/programming knowledge to immediately start querying your index. If you are developing a proof of concept being able to immediately pose queries can be a very useful facility. Also, under the index name, you can see we have a number of very useful menu items.Ĭlicking on Ping gives us the current network ping response time. The Stop key and port as well as other useful information to help you to manage and control your Lucene/Solr 4 configuration.īut what about your indexes? How do you administrate and manage those? Here we click on the “collection1” that is the default starting index. Also note the bottom of the screen – here you can easily access Lucene/Solr 4 documentation, track issues, jump to the IRC channel, go over to the Community forum, and see the syntax of a query.ĭigging a little deeper you can view the Java properties. Here we have the current status for each Core and the Index for collection1 in our Lucene/Solr 4 configuration.Īs you can see in the Index we have loaded in 113,864 documents. See here for more details on this menu item. To set a log level for a particular directory, select it and click the appropriate log level button. If there were we could select “Level and see a screen like the one below.ĭirectories are shown with their current logging levels and as you move your cursor the Log Level Menu floats over these. We’ve just started up this instance, no events so far. You can control the amount of logging output in Lucene/Solr by using the Admin Web interface This includes where the command and data directories reside, current version information and System and JVM current usage of memory and swap space. The Dashboard gives you an excellent overview of what’s happening with Lucene/Solr 4. To full show the benefits of the Lucene/Solr 4 User Interface I’ll load in some documents and do a quick index. In addition we start with a “collection1” already created and setup for you to immediately start trying out the index and search functions. You can see on the left of the screen we have Dashboard, Logging, Core Admin (new with Lucene/Solr 4), Java Properties, Thread Dump. This new UI makes it easy for both administrators and developers/programmers to view the configuration details, run queries and analyze document fields in order to fine-tune a Lucene/Solr 4 configuration and access online documentation and other help. The v4 release of Lucene/Solr features a brand new web interface. When you start up Lucene/Solr 4 for the first time you see the following User Interface. Want to grab the steering wheel of Lucene/Solr 4 and test it out? To not have to need specialist training can often be a big deal. | InvocationTargetException | in Lucene/Solr 4? Want to see how the User Interface stacks up? For many enterprise IT customers, while they do need specific/feature functions in a solution, they also greatly care about how fast can I get this search technology up and running, and also how hard is it to manage on a day-to-day basis. While (spans.nextDoc() != Spans.NO_MORE_DOCS) catch (IllegalAccessException | IllegalArgumentException SegmentReader r = (SegmentReader) lrc.reader() Spans spans = spanweight.getSpans(lrc, ) SpanWeight spanweight = ((MtasSpanQuery) q.rewrite(indexReader)) IndexSearcher searcher = new IndexSearcher(indexReader) ListIterator iterator = indexReader.leaves() MtasSpanQuery q = createQuery(CreateIndex.FIELD_CONTENT, cql, null, null) IndexReader indexReader = DirectoryReader.open(directory)
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