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I had read article about how stackoverflow reduced its CPU usage by using lucene.
But my question is how ?
Is it due to caching of lucene ?
and if yes. If we implement a sqlserver fts with memcache. will it be same as lucene ?
or does Lucene uses different data structures for search ?
Lucene is using indexing and full text search – it’s more than caching.
SQL is a set-based relational language. It’s not built for ad hoc queries of documents. The technology is completely different.