Looking at the code of the FieldValueFeature in the LTR integration it seems to be fully compatible with "DocValues" only fields : org/apache/solr/ltr/feature/FieldValueFeature.java:128
It would require some additional investigation to understand why you get only zeroes (have you tried with a different fieldType for example?) -------------------------- Alessandro Benedetti Apache Lucene/Solr Committer Director, R&D Software Engineer, Search Consultant www.sease.io On Tue, 10 Aug 2021 at 16:25, Nishanth Nayakanti <nishant...@tadigital.com.invalid> wrote: > Hi Dave, > > Thanks for responding > > I think that config setting is a pre-requisite for inplace updates as > defined here > https://solr.apache.org/guide/6_6/updating-parts-of-documents.html#UpdatingPartsofDocuments-Example.1 > > Here is from Solr documentation. > > An atomic update operation is performed using this approach only when the > fields to be updated meet these three conditions: > > are non-indexed (indexed="false"), non-stored (stored="false"), single > valued (multiValued="false") numeric docValues (docValues="true") fields; > > the _version_ field is also a non-indexed, non-stored single valued > docValues field; and, > > copy targets of updated fields, if any, are also non-indexed, non-stored > single valued numeric docValues fields. > > Thanks > Nishanth > > -----Original Message----- > From: Dave <hastings.recurs...@gmail.com> > Sent: Tuesday, August 10, 2021 6:47 PM > To: users@solr.apache.org > Cc: Madhuluck Kumar <madhuluck.ku...@tadigital.com> > Subject: Re: Field value feature returning only 0s - LTR feature > engineering > > ***Caution: External Email*** > > This email originated from an external sender. Do not click on links or > open attachments unless you were expecting this message from this sender. > > I’m confused. You don’t store it, nor index it? > > > On Aug 10, 2021, at 9:06 AM, Nishanth Nayakanti < > nishant...@tadigital.com.invalid> wrote: > > > > Hello everyone, > > > > We are using Solr 8.5 and facing the following issue. > > > > We want to use number of clicks of a documents/page as a feature in LTR > model. We are using in-place updates to set/upload the number of clicks for > each document. When I try to extract features from Solr, all the > documents/rows have values as 0 for clicks feature. > > > > Sample feature > > { > > "name":"pmetrics_its_nid-ga_metric1-sum", > > "class":"org.apache.solr.ltr.feature.FieldValueFeature", > > "params":{"field":"pmetrics_its_nid-ga_metric1-sum"}, > > "store":"_DEFAULT_" > > } > > > > Solr Config > > > > <dynamicField name="pmetrics_*" type="pfloat" indexed="false" > stored="false" docValues="true"/> > > > > > > Am I missing something here ? > > > > Thanks for your answers > > Nishanth. > > Disclaimer: This message and any attachments are solely intended for the > addressee(s). It may also be TA DIGITAL confidential, privileged and / or > subject to copyright. 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. If you have received this in error, > please notify the sender immediately by return e-mail and delete it from > your computer. While all care has been taken, TA DIGITAL management > disclaims all liabilities for loss or damages to person(s) or properties > arising from misuse of any information provided or the message being > infected by computer virus or other contamination. > Disclaimer: This message and any attachments are solely intended for the > addressee(s). It may also be TA DIGITAL confidential, privileged and / or > subject to copyright. 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. If you have received this in error, > please notify the sender immediately by return e-mail and delete it from > your computer. While all care has been taken, TA DIGITAL management > disclaims all liabilities for loss or damages to person(s) or properties > arising from misuse of any information provided or the message being > infected by computer virus or other contamination. >