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el_sim
Known Participant
May 23, 2017
Question

How many CF collections are too many?

  • May 23, 2017
  • 1 reply
  • 447 views

We are using CF 11 on Windows server 2012 R2. Having the structure of our data we need to use either one really large or about 500 small Solr collections. What are the pros and cons for doing it either way? Is there any guide/reference for the best practices about the number of collections? Any advice is greatly appreciated!

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1 reply

WolfShade
WolfShade
Legend
May 23, 2017

I have worked briefly with Solr collections under CF9 and CF10.

IMHO, having 500 small collections is better than one large collection, from the user perspective.  The downside being keeping the collections updated/refreshed if the data changes.

One large collection might be prone to becoming corrupted.  I'm not sure.

I am not aware of any guide/reference for number of collections vs one large collection.  I am just speaking from experience.  We have seven Solr collections for PDFs.  They are all slow to refresh because CF has to parse each PDF in order to get the desired texts.  We have over one thousand PDFs, each ranging in size from 1MB to about 4MB (no graphics, it's all text.)

HTH,

^_^

E
el_simAuthor
Known Participant
May 23, 2017

Thank you! This IS helpful.

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