mayya-sharipova commented on PR #13651:
URL: https://github.com/apache/lucene/pull/13651#issuecomment-2302685585

   > possibly switch to LongValues for storing vectorOrd -> centroidOrd mapping
   
   I was thinking about adding centroids mappings as LongValues at the end of 
meta file, but this could potentially make meta file quite large (for 100M 
docs, we would need extra 100Mb). We really try to keep meta files small, so I 
would prefer either:
   - to keep the current approach (add a byte at the end of each vector in the 
vectors file). Indeed, this will throw off paging size.
   - adding an extra file for centroids mapping
   
   What do you think?


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