问HN：谷歌搜索的索引是否缩小了？
我注意到，当我终于能够突破其背后AI查询的限制时，它能够返回的页面数量是有限的。这种情况比几年前更为明显。难道可以想象，谷歌不仅减少了其前向索引，还清除了部分历史索引（尤其是一些不太受欢迎的页面）吗？我怀疑的原因是：他们可能只是存储空间不足。从外行的角度来看，网页缓存的丢失、云存储情况的各种方面（用户使用量增加、定价上涨、意外丢失许多用户位置历史等事件）、他们的AI项目数据密集特性以及数据中心建设的速度，都在某种程度上指向存储问题。但我对这些问题没有直接的见解或经验。因此，我想知道是否还有其他人得出了类似的结论，或者至少有类似的怀疑。
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I've noticed that when I'm finally able to force my way past its behind-the-scenes AI query butchering, the number of pages that it's able to return is limited. Much more so than even a few years ago. Is it conceivable that Google has not only curtailed its forward indexing, but also purged some of its historical index (particularly of less popular pages)? I'll give my suspected reason: they're simply running out of cheap storage. From a layman's perspective, the loss of webpage caches, various aspects of their cloud storage situation (increased usage by users, increased pricing, incidents like the accidental loss of many users' location history), the data-heavy nature of their AI ventures, and the pace of data center buildout, all point (circumstantially) to data storage woes. But I don't have any direct insight or experience with these matters. So I'm wondering if anyone else is coming to similar conclusions, or at least has similar suspicions.