The search index sat on a small number of disk drives enclosed within Lego-like blocks.
那时候搜索索引就运行在象乐高玩具一样的方块围住的磁盘驱动器里面。
Another benefit of this technology is that there is a savings in disk space, due to one less index structure.
该技术的另一个好处是节省磁盘空间，因为其索引结构更小。
When you need to index a large number of documents, you'll notice that the bottleneck of the indexing is the process of writing the documents into the index files on the disk.
当你需要索引大量的文件时，你会注意到索引过程的瓶颈是在往磁盘上写索引文件的过程中。
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