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0001 .. meta::
0002    :description: digiKam Maintenance Tool to Synchronize Metadata
0003    :keywords: digiKam, documentation, user manual, photo management, open source, free, learn, easy, maintenance, metadata, synchronizer
0004 
0005 .. metadata-placeholder
0006 
0007    :authors: - digiKam Team
0008 
0009    :license: see Credits and License page for details (https://docs.digikam.org/en/credits_license.html)
0010 
0011 .. _maintenance_metadata:
0012 
0013 Metadata Synchronizer
0014 =====================
0015 
0016 .. contents::
0017 
0018 .. figure:: images/maintenance_metadata_synchronizer.webp
0019     :alt:
0020     :align: center
0021 
0022     The digiKam Maintenance Options to Synchronize Metadata
0023 
0024 This process synchronize items metadata with database contents. The operation **Direction** can be:
0025 
0026     - From the database to files.
0027 
0028     - From files to the database.
0029 
0030 .. note::
0031 
0032     As synchronization is a time consuming process, especially when metadata are written in files, it's a good idea to restrict the job to certain albums or tags. 
0033 
0034 The synchronization depends of the settings from :menuselection:`Settings --> Configure digiKam...` and **Metadata** page. All these settings is described in :ref:`the dedicated section <metadata_settings>` from **Setup Application**.
0035 
0036 While the metadata synchronizer process is under progress, as the process may take much time and digiKam cannot be used, a non modal dialog appear to make sure that no database corruption occurs.
0037 
0038 .. figure:: images/maintenance_metadata_process.webp
0039     :alt:
0040     :align: center
0041 
0042     The Metadata Synchronization Process Running in Background