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2823614 - Solr Consumes Too Much Memory Due to Suggester Class

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"

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

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


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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, ccv2, hybris, high, garbage, out of memory, restart
, KBA , CEC-SCC-COM-SRC-SER , Search and Navigation , Problem

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