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mantonelli · 05-07-2026, 02:59 PM

Hi,

The index file is stored at <calibre-config-dir>/plugins/recommender_cache/metadata_index_<lib-hash>.json.

<lib-hash> is an 8-character MD5 of the library path, so each library has its own independent cache file.

05-07-2026, 02:59 PM	#3
mantonelli Junior Member Posts: 2 Karma: 10 Join Date: May 2026 Device: kindle paperwhite 3rd gen	Hi, The index file is stored at <calibre-config-dir>/plugins/recommender_cache/metadata_index_<lib-hash>.json. <lib-hash> is an 8-character MD5 of the library path, so each library has its own independent cache file.