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Introduction

In case new requirements, either in terms of load capacity or functionality (i.E. new supported languages), are introduced to a yuuvis® Momentum system during production, it may become necessary to overhaul the backend Elasticsearch cluster by performing a Reindex operation. The operation itself is slow and resource-intensive, as it essentially creates a copy of the original Elasticsearch Index within the same Elasticsearch cluster, so make sure enough storage space is available and optionally create more data nodes which can be shut down after the operation. 

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