一般我们都是把 Lucene 索引存放在文件系统中，大数据量时会考虑用分布式文件系统，如 Hadoop 及 MapReduce、GFS 的应用。也许你会想我们有数据库作为集中的数据存储地，是否可以把 Lucene 索引文件存储到关系型数据库中。可以这么做，不过好像性能上有些问题，本文就此也作这样一个尝试。
看 http://wiki.apache.org/lucene-java/LuceneFAQ
Can I store the Lucene index in a relational database?
Lucene does not support that functionality out of the box, but several people have implemented JdbcDirectory's. The reports we have seen so far indicate that performance with such implementations is not great, but it is doable. 阅读全文 >>