How to restrict duplicate files from getting ingested into the eMAM system?
The default behavior of eMAM while checking duplicate files is to compare the file name, size, and checksum of the file in a Category. If all three of these values are the same, the files are considered duplicates. By default, we can save the same file in multiple categories or a file with the same name in multiple categories.
For example, let's say there is a category called "Movies" and we have a file with the name "Nightingale.mp4" in that category. By default, we can ingest the same file into another category or can ingest a different file with the same name "Nightingale.mp4" to any other category, the ingest will not be restricted because the category is different/file properties are different.
We can enable a system-wide checking as eMAM provides an option to prevent the ingesting of files that already exist in the eMAM system. This can be useful for preventing duplicate files from being ingested, which can save space and improve performance.
The restrict duplication option in the Advanced Settings of the ingest profile in eMAM works at system level, allowing only one file with a file name to exist, irrespective of the category.
For example, there is a category called "Movies" and we have a file called "Nightingale.mp4" in that category. If you enable the restrict duplication option and try to ingest another file called "Nightingale.mp4" into another category, the ingest will be rejected because there exists file with the same name in the system.
To enable the restrict duplication option,
1. Open the ingest profile and go to the Advanced settings.
2. Select the profile settings option and enable option Restrict duplicate files in the system.
3. Click on Save.