Difference between revisions of "Elastic search and OCR"
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The basic search service requires | The basic search service requires | ||
* TS file indeing service | * TS file indeing service (queue handler) | ||
* Elastic search server | * Elastic search server (search engine) | ||
If PDF OCR functionality is needed the following components needs installation too | If PDF OCR functionality is needed the following components needs installation too | ||
Revision as of 23:14, 28 November 2016
Understanding integrated search
The integrated fulltext serach using Elatic search is a internal/active approach to indexing the content. Content will be added to a indexing queue every time it is updated - ensuring allways updated content, but consuming CPU ressources on the indexing server.
Beacuase file indexing is very CPU intensive, the file indexing functionality i seperated into a service that can run on a server seperated from te main application server. Anyway the fileindexer will run from a database queue.
The basic search service requires
- TS file indeing service (queue handler)
- Elastic search server (search engine)
If PDF OCR functionality is needed the following components needs installation too
- Ghostscript (PDF to TIFF conversion)
- Tesseract (OCR library)
The above components for OCR must be installed on the file indexing server.