Dense ords don’t know how to collect from many buckets – How to solve this Elasticsearch error

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Dense ords don’t know how to collect from many buckets – How to solve this Elasticsearch error

Opster Team

July-20, Version: 1.7-8.0

Before you begin reading this guide, we recommend you try running the Elasticsearch Check-Up which can resolve issues that cause many errors.

This guide will help you check for common problems that cause the log ” Dense ords don’t know how to collect from many buckets ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: search and aggregations.

Advanced users might want to skip right to the common problems section in each concept or try running the Check-Up to analyze Elasticsearch configuration and help resolve this error.

Log Context

Log “Dense ords don’t know how to collect from many buckets”classname  is GlobalOrdinalsStringTermsAggregator.java We extracted the following from Elasticsearch source code for those seeking an in-depth context :

this.acceptedGlobalOrdinals = includeExclude == null ? ALWAYS_TRUE : includeExclude.acceptedGlobalOrdinals(values)::get;
 if (remapGlobalOrds) {
 this.collectionStrategy = new RemapGlobalOrds(collectsFromSingleBucket);
 } else {
 if (false == collectsFromSingleBucket) {
 throw new AggregationExecutionException("Dense ords don't know how to collect from many buckets");
 }
 this.collectionStrategy = new DenseGlobalOrds();
 }
 }

 

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