3280448 - SAP Commerce high resource usage with Solr Highlighter

Symptom

The sample data provided with SAP Commerce Cloud has highlighting enabled by default for Solr. This may lead to more time spent on garbage collection and more CPU time spent executing Solr queries than necessary.

When checking the system performance of the Solr process in Dynatrace you will observe high CPU usage. In the following graphs, Solr Highlighting was disabled after 10:37.

You will also observe a lot of time spent performing garbage collection in the Eden Space

When analysing the Method Hotspots of Solr, you will see a large percentage of the CPU time spent executing the method HighlightComponent.process(...)

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

Environment

SAP Commerce Cloud

Product

SAP Commerce Cloud 1808 ; SAP Commerce Cloud 1811 ; SAP Commerce Cloud 1905 ; SAP Commerce Cloud 2005 ; SAP Commerce Cloud 2011 ; SAP Commerce Cloud 2105 ; SAP Commerce Cloud 2205 ; SAP Commerce Cloud 2211

Keywords

Solr, Highlight, Highlighter, CPU, GC, Garbage Collection. , KBA , CEC-SCC-COM-SRC-SER , Search and Navigation , Problem

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