The HistoryBackend consists of a number of components:
Stores past 3 months of history
(this does not store visit segments as they expire after 3 months)
| Static Constant | Value | |
|---|---|---|
| Segment Data Retention | 90 days | How long Chrome keeps segment data for in days. Currently 3 months. |
| Commit Interval Seconds | 10 seconds | How long Chrome waits to do a commit, so that things are batched together. |
| Favicon Refetch Days | 7 days | The amount of time before Chrome re-fetches the favicon. |
| Archive Days Threshold | 90 days | The number of days old a history entry can be before it is considered "old" and is archived. |