Please show the _exact_ query you're using. What is td-dt? A date-field? A field name? And if a field name is it literally "ds-dt"? If so, be aware that hyphens are not officially supported in field names. The recommendation is that your Solr fields have follow the recommendation here:
https://cwiki.apache.org/confluence/display/solr/Defining+Fields "Field names should consist of alphanumeric or underscore characters only and not start with a digit." Best, Erick On Fri, Oct 14, 2016 at 4:47 AM, <xiao...@zetta-tech.com> wrote: > Hi, > > We are trying to messages based on ts-dt value in solr 6.2.1. > > > > * One collection with only one shard, we are able to group ts-dt > without error, but performance is getting worse over time > > * Multiple collections with only one shard each, we are able to group > ts-dt without error for each collection shard, but performance is getting > worse over time > > * One collection with multiple shards, we can't group ts-dt. Example > error message" Error from server at > http://xx.xx.xx.xx:8983/solr/test4s2rf_shard4_replica2: Invalid Date > String:'Tue Sep 06 02:53:00 UTC 2016'" . In the error message, the Date > string is not in the format that we write into solr, enhance we can't find > it in solr. And every time we do grouping, the error message is different, > for instance we run grouping second time, error could be "Error from server > at http://xx.xx.xx.xx:8983/solr/test4s2rf_shard1_replica1: Invalid Date > String:'Tue Aug 02 03:42:03 UTC 2016'" > > > > Has anyone had similar problem? Where could be the place we did wrong? > > > > Br, > > Xiao > > >