System

GNOME Tracker Cache

GNOME Tracker maintains a per-user metadata and search index cache for the GNOME desktop, storing extracted file metadata, full-text search fragments, thumbnails references, and SQLite-backed index data under ~/.cache/tracker3 so files can appear quickly in Files search, Recent items, and other desktop integrations. That cache is built by Tracker miners that watch the filesystem and queue changes, but interrupted indexing, schema changes, or stale journal and temporary files can leave the cache inconsistent or oversized. Kudu clears Tracker's cached index data, temporary indexing artifacts, and related SQLite cache files without touching your documents, settings, accounts, or passwords.

Why clean GNOME Tracker Cache?

  • An interrupted Tracker miner run can leave stale SQLite journal or temporary index data behind, which shows up as missing or duplicated search results in GNOME Files and Shell search.
  • Corrupted metadata fragments in the cache can make renamed or moved files keep appearing under old names, so desktop search opens the wrong path or returns dead results.
  • A bloated Tracker index under ~/.cache/tracker3 can consume hundreds of megabytes or more, and users usually notice disk usage growing even though their personal files have not changed much.
  • After package upgrades or Tracker schema changes, old cached index data can force a long reindex or repeated miner activity, which appears as sustained CPU usage and constant disk reads after login.
  • Stale cached content extraction results can delay newly added documents from appearing in search, so PDFs, notes, or media files seem invisible until Tracker rebuilds its index.
  • SQLite page fragmentation inside Tracker's database files wastes space and slows lookups over time; VACUUM rewrites the database into a compact file without deleting indexed rows, but clearing the cache forces a fresh rebuild when the index is already unhealthy.
  • Broken miner state in the cache can cause search providers and Recent-file integration to lag or return incomplete results, with users noticing GNOME overview search pausing before showing local files.
What gets cleaned

Cache paths Kudu targets

Linux

~/.cache/tracker3
Frequently asked

Common questions about GNOME Tracker Cache

Free & open source

Download Kudu and reclaim your disk space.

Available on Windows, macOS, and Linux. No account required, no feature gates, no telemetry without consent. All cleaning targets are open source and community-auditable.