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    • How to check high java heap usage caused by merkle tree memory leak in StorageGRID 11.4
      https://kb.netapp.com/hybrid/StorageGRID/Services/How_to_check_high_java_heap_usage_caused_by_merkle_tree_memory_leak_in_StorageGRID_11.4
      Applies to 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 tr...Applies to 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
    • Upgrade precheck determines additional persistence configuration files
      https://kb.netapp.com/hybrid/StorageGRID/Maintenance/Upgrade_precheck_determines_additional_persistence_configuration_files
      Applies to StorageGRID Upgrades Issue When performing upgrade, precheck fails. "The following issues were identified by the Persistence list customizations precheck" "The list of persistence configura...Applies to StorageGRID Upgrades Issue When performing upgrade, precheck fails. "The following issues were identified by the Persistence list customizations precheck" "The list of persistence configuration files found on <node> did not match the expected list"