File cache

File Extension: .cache (RAM-Disk In-Memory Mirror)

Turkce Dokumantasyon | English Documentation

Category: File Formats & Storage
Location: dbstore/cache/${table_id}.db and *.inx
Format: In-Memory / tmpfs Berkeley DB and Binary Index

---

1. Definition and Overview

Files stored under dbstore/cache/ are in-memory mirrors of high-traffic database tables and primary .inx indexes residing on OS-level RAM-disks (tmpfs on Linux, ImDisk on Windows). They allow queries to be served in microseconds with zero disk spindle/NVMe controller latency.

---

2. See Also

• Concept: RAM-Disk Acceleration
• Method: cache_preload
• Method: cache_setup