Java heap space error - 99% after increase

Elastic Stack Logstash
1

Hi,

Over the weekend I saw a number of java.lang.OutOfMemoryError: Java heap space errors in the logstash logs. After reading the docs I've tuned the default settings up to 16G (32GB Server) however I'm are still seeing JVM Heap: 99.80% (16GB / 16GB) in the kibana monitoring screen.

Kibana monitoring screen attached showing cluster info, this is still very much a proof of concept at this stage so we will absolutely be looking at how we are indexing at replicating data before going live.

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Is this normal behaviour for logstash, or do I have a memory leak somewhere. If this is not normal behaviour, how would I go about trying to debug this.

Many thanks

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