Sphinx does not store data, so you have to get it from your database to display results, it doesn't have query auto-suggest, etc.
But most importantly, you don't have to deal with installing, configuring, managing and scaling a sphinx setup. IndexTank is cloud-based, you don't have to deal with servers, RT indexes, hadoop, and so on. We worry about all that.
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What advantages does your search system have over better search systems than Lucene/Solr, such as Sphinx?
Sphinx does not store data, so you have to get it from your database to display results, it doesn't have query auto-suggest, etc.
But most importantly, you don't have to deal with installing, configuring, managing and scaling a sphinx setup. IndexTank is cloud-based, you don't have to deal with servers, RT indexes, hadoop, and so on. We worry about all that.
Thanks for the reply.