Updated Custom Storage Configuration (markdown)

rustmailer
2026-01-20 09:59:12 +08:00
parent 44569d0672
commit 6717b60523
+6
@@ -67,3 +67,9 @@ To perform a complete system backup, you must back up **all three** specified lo
1. **bichon-data-dir:** The most critical. It contains your entire collection of emails.
2. **bichon-root-dir:** Essential for maintaining your account access and app settings.
3. **bichon-index-dir:** Contains the metadata index. While this is largely extracted from the email data, it also includes specific information synchronized from the mail servers.
### FAQ: Storage Ratio
**Q: How much disk space will the Search Index (envelope) take compared to the Data store (eml)?**
**A:** There is no absolute ratio, but the index is typically much smaller than the data. For example, in one real-world case (see README), **145GB** of email data resulted in only **1.3GB** of index. The actual size depends on your email content: if your emails have many large attachments, the data store will grow much faster than the index.