NetApp StorageGRID 11.4
Under certain circumstances, the version of Cassandra contained within the StorageGRID 11.4 codeline (DSE 5.1.14) can exhibit high java heap usage due to a merkle tree memory leak caused by long-finished repairs.
StorageGRID will report:
- High Java Heap alarms/alerts
- Cassandra repair errors in logs, example:
[ERROR] org.apache.cassandra.repair.Validator:268 - Failed creating a merkle tree for [repair #e9a52ab0-9329-11eb-83c1-8bc0b64bffdd on storagegrid