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POFull text indexer with line level results, substring searches, and incremental update support?
 

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  1. POFull text indexer with line level results, substring searches, and incremental update support?
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    <p>I'm looking for a full text indexing package that is being maintained (i.e. not an end of life dead package) that can would ideally have support for:</p> <ul> <li>substring matches</li> <li>incremental updates</li> <li>line level results</li> </ul> <p>Also ideal would be support for</p> <ul> <li>boolean matches</li> <li>adjacency searches "stringX found near stringY"</li> </ul> <p>A little more detail about the situation - I currently have a 'grep on steroids' that searches through system log files stored in a central location, split by host and day, updated continuously.</p> <ul> <li>approximately 40-80 GB of mixed compressed and raw files</li> <li>raw uncompressed data size - 350 - 500 GB</li> <li>20,000+ files</li> </ul> <p>A solution like <a href="http://www.splunk.com" rel="nofollow noreferrer">Splunk</a> would be ideal, but pricing for our data change rate (2-4GB/day) - even with educational organization pricing - is outrageously high.</p> <p>I have used <a href="http://www.is.informatik.uni-duisburg.de/projects/freeWAIS-sf/" rel="nofollow noreferrer">freeWAIS-sf</a> in the past, and am currently using <a href="http://www.namazu.org" rel="nofollow noreferrer">namazu</a> for limited indexing of a small document set elsewhere.</p> <p>I don't <em>require</em> spidering support, I can feed it a list of files to index and they will all be on local disk.</p> <p>Problem is - freeWAIS-sf appears to essentially be abandoned, and namazu doesn't have any line-level results - only by-file.</p> <p>Any suggestions for products to use? One option I did consider was to use something like namazu, but to split the files before indexing into chunks and post-process search results to reassemble, but that seems very hackish.</p> <p><strong>EDIT</strong></p> <p>I'm open to building multiple indexes as well as a way of doing incremental updates - even though I'd have to aggregate the multiple search results. </p> <p>I can also live with a delay on indexing for 'Todays' results, indexing doesn't have to be real-time. </p> <p><strong>EDIT</strong></p> <p>Solr appears to be quite useful as a tool, however, it looks to have the same issue as using namazu or the others - if I want file level positions of the results - I basically have to do it myself externally - or pre-split the file into chunks as I generate the XML to load into the index server. While this does provide a very structured way of doing it, if I have to do all that myself, it's going back to the starting point.</p>
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