在Apache的更新日志上看到这样一句话
25 September 2009 - Lucene Java 2.9.0 available
This release has many improvements since release 2.4.1, including:
- Near real-time search capabilities added to IndexWriter
Oops……这倒是个好消息，用上次备份的4G+的索引测试了一下，基本上可以称为“实时更新”了。不过还是那个疑问：索引碎片过多，会不会造成搜索效率的降低？
to be continue……