lucene-solr-user mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From Andrea Gazzarini <a.gazzar...@gmail.com>
Subject Re: Highlighting large documents
Date Fri, 04 Dec 2015 15:54:59 GMT
Hi Zheng,
just curiousity, because shortly I will have to deal with a similar
scenario (Solr 5.3.1 + large documents + highlighting).
Which highlighter are you using?

Andrea

2015-12-04 16:51 GMT+01:00 Zheng Lin Edwin Yeo <edwinyeozl@gmail.com>:

> Hi,
>
> I'm using Solr 5.3.0
>
> I found that in large documents, sometimes I face situation that when I do
> a highlight query, the resultset that is returned does not contain the
> highlighted query. There are actually matches in the documents, but just
> that they located further back in the documents.
>
> I have tried to increase the value of the hl.maxAnalyzedChars, as the
> default value is 51200, and I have documents that are much larger than
> 51200 characters. Although this method works, but, when I increase this
> value, the performance of the search and highlight drops. It can drop from
> less than 0.5 seconds to more than 10 seconds.
>
> Would like to check, is this method of increasing the value of the
> hl.maxAnalyzedChars the best method to use, or is there other ways which
> can solve the same purpose, but without affecting the performance much?
>
> Regards,
> Edwin
>

Mime
  • Unnamed multipart/alternative (inline, None, 0 bytes)
View raw message