System

GNOME Tracker Cache (Legacy)

GNOME Tracker's legacy cache under ~/.cache/tracker stores temporary indexing data used by the desktop search stack, including extracted metadata blobs, thumbnail-related artifacts, parser intermediates, and SQLite journal or write-ahead log files created while crawling files. These caches speed up repeated metadata extraction and search indexing, but they can become stale after file moves, database corruption, interrupted indexing, or Tracker version changes. Kudu removes only the disposable cache contents so Tracker can rebuild them, without touching your actual documents, search-enabled files, accounts, or desktop settings.

Why clean GNOME Tracker Cache (Legacy)?

  • Stale extracted metadata after large file moves or renames can leave GNOME search showing old filenames, duplicate entries, or results that open the wrong path
  • Interrupted indexing often leaves behind SQLite journal or WAL files in the cache, which can cause repeated tracker-miner activity, constant disk churn, and a warm laptop even when idle
  • Corrupted parser intermediates from media or document extraction failures can make specific folders reindex over and over, with the user noticing high CPU usage and search results that never fully update
  • Legacy cache entries from an older Tracker build can mismatch the current indexer logic, leading to missing search hits until the cache is rebuilt from scratch
  • Oversized thumbnail-related and metadata cache blobs accumulate over time, consuming hundreds of megabytes in ~/.cache and reducing free space without adding any permanent value
  • SQLite page fragmentation inside Tracker's cache databases can waste space and slow lookups; rebuilding or VACUUM rewrites the database pages without deleting indexed rows from your actual files
  • Bad cached metadata for recently edited documents or media can leave GNOME Shell search showing outdated tags, durations, or previews until Tracker regenerates the cache
What gets cleaned

Cache paths Kudu targets

Linux

~/.cache/tracker
Frequently asked

Common questions about GNOME Tracker Cache (Legacy)

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.