Zheng, Usually, the number of records returned is more than what is shown in the > ngroup. For example, I may get a ngroup of 22, but there are 25 records > being returned.
Does the 25 records being returned have duplicates? Grouping is subjected to co-location of data of same group values in same shard. Can you share what is the architecture of the setup? Amrit Sarkar Search Engineer Lucidworks, Inc. 415-589-9269 www.lucidworks.com Twitter http://twitter.com/lucidworks LinkedIn: https://www.linkedin.com/in/sarkaramrit2 Medium: https://medium.com/@sarkaramrit2 On Tue, Nov 7, 2017 at 8:36 AM, Zheng Lin Edwin Yeo <edwinye...@gmail.com> wrote: > Hi, > > I'm using Solr 6.5.1, and I'm facing the issue of incorrect ngroup count > after I have group it by signature field. > > Usually, the number of records returned is more than what is shown in the > ngroup. For example, I may get a ngroup of 22, but there are 25 records > being returned. > > Below is the part of solrconfig.xml that does the grouping. > > <updateRequestProcessorChain name="dedupe"> <processor class= > "solr.processor.SignatureUpdateProcessorFactory"> <bool > name="enabled">true > </bool> <str name="signatureField">signature</str> <bool name= > "overwriteDupes">false</bool> <str name="fields">content</str> <str name= > "signatureClass">solr.processor.Lookup3Signature</str> </processor> < > processor class="solr.DistributedUpdateProcessorFactory" /> <processor > class > ="solr.LogUpdateProcessorFactory" /> <processor class= > "solr.RunUpdateProcessorFactory" /> </updateRequestProcessorChain> > > > This is where I set the grouping to true in the requestHandler > > <str name="group">true</str> <str name="group.field">signature</str> <str > name="group.main">true</str> <!--<str name="group.ngroups">true</str>--> < > str name="group.cache.percent">100</str> > > What could be the issue that causes this? > > Regards, > Edwin >
