Depending on what you are doing, there are some problems with MultiSearcher. See http://issues.apache.org/bugzilla/show_bug.cgi?id=31841 for a description of the issues and possible patch(es) to fix.
Chuck > -----Original Message----- > From: Erik Hatcher [mailto:[EMAIL PROTECTED] > Sent: Tuesday, December 21, 2004 3:09 AM > To: Lucene Users List > Subject: Re: Lucene index files from two different applications. > > > On Dec 21, 2004, at 5:51 AM, Gururaja H wrote: > > 1. Can two applications write index files, in the same directory, at > > the same time ? > > If you mean to the same Lucene index, the answer is no. Only a single > IndexWriter instance may be writing to an index at one time. > > > 2. If two applications cannot write index files, in the same > > directory, at the same time. > > How should we resolve this ? Would appriciate any solutions to > > this... > > You may consider writing a queuing system so that two applications > queue up a document to index, and a single indexer application reads > from the queue. Or the applications could wait until the index is > available for writing. Or... > > > 3. My thought is to write the index files in two different > > directories and read both the indexes > > (as though it forms a single index, search results should consider the > > documents in both the indexes) from the WebApplication. How to go > > about implementing this, using Lucene API ? Need inputs on which of > > the Lucene API's to use ? > > Lucene can easily search from multiple indexes using MultiSearcher. > This merges the results together as you'd expect. > > Erik > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [EMAIL PROTECTED] > For additional commands, e-mail: [EMAIL PROTECTED] --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
