Robert Muir created LUCENE-5119:
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Summary: DiskDV SortedDocValues shouldnt hold doc-to-ord in heap
memory
Key: LUCENE-5119
URL: https://issues.apache.org/jira/browse/LUCENE-5119
Project: Lucene - Core
Issue Type: Bug
Reporter: Robert Muir
Attachments: LUCENE-5119.patch
These are accessed sequentially when e.g. faceting, and can be a fairly large
amount of data (based on # of docs and # of unique terms).
I think this was done so that conceptually "random" access to a specific docid
would be faster than eg. stored fields, but I think we should instead target
the DV datastructures towards real use cases (faceting,sorting,grouping,...)
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