DocValuesTermsQuery should not perform differently from DocValuesTermsFilter. Maybe try to run things under a profiler and see what it says?
Le mar. 18 juil. 2017 à 22:48, Rilpa Jain <rilpa.j...@tradeweb.com> a écrit : > Hi, > > We plan to migrate from lucene 5.5 to 6.5. We have been using > DocValuesTermsFilter extensively which was deprecated in Lucene 5.5 and > removed in Lucene 6.0. > The Javadoc specifies to use DocValuesTermsQuery and > BoolenaClause.Occur.Filter instead. However, as per our local tests, the > time taken to search documents has increased with this change. > > Below is one of the scenarios in our application - > We do a search within a search. > > (Before migration to Lucene 5.5) > 1. The first search is on a text field with discrete values. (There > is no pattern to the value of this text field. Here the terms[] ranges from > 1 to 200k in size.) - We use DocValuesTermsFilter and pass it is as Filter > parameter to search method. > 2. The second search is on result of step 1- This could be either a > TermQuery or NumericRangeQuery, evaluated to query and added as query > parameter to search method. > > (After migration to Lucene 6.5) > 1. The first search is on a text field with discrete values. (There > is no pattern to the value of this text field. Here the terms[] ranges from > 1 to 200k in size.) - We use DocValuesTermsQuery and add it to > BooleanQuery with Occur.Filter. > 2. The second search is on result of step 1- This could be either a > TermQuery or NumericRangeQuery added to BooleanQuery with Occur.MUST. > 3. The booleanQuery is build and passed to search method. > > This query execution after migration takes 5x-10x times more as compared > to using DocValuesTermsFilter. > > Is there a better class to generate query in our scenario than the one > used above? Or is there anything that I am missing? > Any insights would help! Thanks. > > > ________________________________________________________________________ > > The information in this email is confidential and may be legally > privileged. It is intended solely for the addressee. Access to this email > by anyone else is unauthorized. If you are not the intended recipient, any > disclosure, copying, distribution or any action taken or omitted to be > taken in reliance on it, is prohibited and may be unlawful. > > Tradeweb reserves the right to monitor and review the content of all > messages sent to or from this e-mail address. Messages sent to or from this > e-mail address may be stored on the Tradeweb e-mail system. >
