Hi Andrew, Difference in your repro; your cache entry is <Long, ArrayList<String>>, and you always add single entry to value ArrayList in our case <Long, ArrayList<MyPOJO>> MyPOJO is java bean that has ~30 attributes. and ArrayList might have sometimes 100s of objects. During my local tests, that I am using ~20GB of RAM, I couldn't reproduce either. Issue occurs with high number of records with production data on servers with larger amount of RAM. I am wondering if you can try to replicate that scenario on your end. Thanks
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