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2823614 - Solr consumes too much memory due to Suggester class - SAP CO

Symptom

During the course of an investigation on High Memory Usage from Solr service perspective, it may be observed scenarios where it consumes more than 10Gi memory for a single Solr instance with regular data volume.

Whenever taking a closer look into a heap dump of that individual service pod, observed that the memory is mostly consumed by Suggester class, e.g.: "org.apache.solr.spelling.suggest.Suggester"

***"Image/data in this KBA is from SAP internal systems, sample data, or demo systems. Any resemblance to real data is purely coincidental."***

Screen Shot 2019-08-06 at 10.44.49 AM.png


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Environment

  • SAP Commerce
  • SAP Commerce Cloud

Product

SAP Commerce Cloud all versions ; SAP Commerce all versions

Keywords

solr, memory issue, OOM, TST, FST, lookup , KBA , CEC-SCC-COM-SRC-SER , Search and Navigation , Problem

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