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Unforeseen circumstances might occur in any system and might lead to differences between database and Elasticsearch index. For example, a deleted object was correctly removed from the database, but for whatever reason not from the Elasticsearch index. As of yuuvis® Momentum version 2020 Winter, it is possible to check the consistency of the stored objects by means of the maintain compare command provided by the /wiki/spaces/YMY/pages/320050357Commander service.
While the command runs continuously, the comparison of DMS objects is performed step by step. The objects are grouped by the date of their last modification/creation. For each day between the start date and the end date, the corresponding objects are processed. Then again, each day is split in a variable number of time periods, such that the amount of objects to be compared in each period is approximately equal to the number of fetch-size.
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