Will it be set as the search backend further on Wikimedia projects? Is there source code available for Elasticsearch on Gerrit? I couldn't find it. Stemming doesn't work for some languages at all, thus searching exact matches only.
On Wed, Aug 28, 2013 at 9:20 PM, Nikolas Everett <never...@wikimedia.org> wrote: > Today we threw the big lever and turned on our new search backend at > mediawiki.org. It isn't the default yet but it is just about ready for you > to try. Here is what is we think we've improved: > 1. Templates are now expanded during search so: > 1a. You can search for text included in templates > 1b. You can search for categories included in templates > 2. The search engine is updated very quickly after articles change. > 3. A few funky things around intitle and incategory: > 3a. You can combine them with a regular query (incategory:kings peaceful) > 3b. You can use prefix searches with them (incategory:norma*) > 3c. You can use them everywhere in the query (roger incategory:normans) > > What we think we've made worse and we're working on fixing: > 1. Because we're expanding templates some things that probably shouldn't > be searched are being searched. We've fixed a few of these issues but I > wouldn't be surprised if more come up. We opened Bug 53426 regarding audio > tags. > 2. The relative weighting of matches is going to be different. We're > still fine tuning this and we'd appreciate any anecdotes describing search > results that seem out of order. > 3. We don't currently index headings beyond the article title in any > special way. We'll be fixing that soon. (Bug 53481) > 4. Searching for file names or clusters of punctuation characters doesn't > work as well as it used to. It still works reasonably well if you surround > your query in quotes but it isn't as good as it was. (Bugs 53013 and 52948) > 5. "Did you mean" suggestions currently aren't highlighted at all and > sometimes we'll suggest things that aren't actually better. (Bugs 52286 and > 52860) > 6. incategory:"category with spaces" isn't working. (Bug 53415) > > What we've changed that you probably don't care about: > 1. Updating search in bulk is much more slow then before. This is the > cost of expanding templates. > 2. Search is now backed by a horizontally scalable search backend that is > being actively developed (Elasticsearch) so we're in a much better place to > expand on the new solution as time goes on. > > Neat stuff if you run your own MediaWiki: > CirrusSearch is much easier to install than our current search > infrastructure. > > So what will you notice? Nothing! That is because while the new search > backend (CirrusSearch) is indexing we've left the current search > infrastructure as the default while we work on our list of bugs. You can > see the results from CirrusSearch by performing your search as normal and > adding "&srbackend=CirrusSearch" to the url parameters. > > If you notice any problems with CirrusSearch please file bugs directly for > it: > https://bugzilla.wikimedia.org/enter_bug.cgi?product=MediaWiki%20extensions&component=CirrusSearch > > Nik Everett > _______________________________________________ > Wikitech-l mailing list > Wikitech-l@lists.wikimedia.org > https://lists.wikimedia.org/mailman/listinfo/wikitech-l -- З павагай, Павел Селіцкас/Pavel Selitskas Wizardist @ Wikimedia projects _______________________________________________ Wikitech-l mailing list Wikitech-l@lists.wikimedia.org https://lists.wikimedia.org/mailman/listinfo/wikitech-l
