Thank you for your suggestions. I did read the reference guide and tried everything that I thought might help. I am using hl.method=unified and I do not have wildcards in my query, BUT I did not try storeOffsetsWithPositions=true.
I will try this and see how it goes Thank you again, Maria On Thu, Mar 14, 2024 at 5:54 PM David Smiley <dsmi...@apache.org> wrote: > Hi Maria, > > Did you read the reference guide?: > > https://solr.apache.org/guide/8_11/highlighting.html#schema-options-and-performance-considerations > In particular, you're going to get the best performance with > hl.method=unified and storeOffsetsWithPositions=true. I wouldn't > bother with termPositions or termOffsets options but termVectors is > great if you have wildcards in your queries; otherwise remove this too > as it'll be needless bloat. > > Try setting hl.fragsize=0 which can short-circuit some expensive > sentence fragmentation that I suspect might not be useful if your > values are only 200 characters. > > 2-3M values -- wow that's something. Solr has to pull all that data > back per doc that's matched. > > Good luck, > ~ David Smiley > > On Mon, Mar 11, 2024 at 5:53 PM Maria Muslea <maria.mus...@gmail.com> > wrote: > > > > Hi, > > > > I am having trouble with highlighting being very slow. I tried all > > suggestions that I could find online, but it is still much slower than I > > would like it to be. > > > > This happens on multi-valued fields that can sometimes have ~2-3M values > of > > ~200 characters each value. > > > > I am using hl.method=unified with SOLR 8.11.3, and the highlighting can > > take 10-20 seconds. > > > > I tried indexing all the fields that I highlight with: termVectors="true" > > termPositions="true" termOffsets="true", but this didn't seem to help > with > > hl.method.unified or hl.method=fastVector. > > > > I tried hl.fragAlignRation=0.0 and also hl.snippets=1. > > > > Can you suggest anything else that I could try? > > > > I appreciate your help. > > > > Thank you, > > Maria >
