Google’s Gary Illyes reveals the search index uses a tiered system where the most popular content is indexed on faster, more expensive storage.
This topic is discussed in the latest episode of Google’s Search Off the Record podcast which deals with language complexities in search index selection.
In explaining how Google builds its search index, Illyes says content is indexed on three types of storage:
- RAM (Random Access Memory): Fastest and most expensive
- SSD (Solid State Drive): Very fast…
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