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StorageGRID 11.4 での Merkle ツリーメモリリークによる高い Java ヒープ使用量をチェックする方法

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環境

NetApp StorageGRID 11.4

説明

特定の状況では、StorageGRID 11.4コードライン(DSE 5.1.14)に含まれるCassandraのバージョンで、長時間の修復によるMerkleツリーのメモリリークが原因でJavaヒープが大量に使用されることがあります。 

 

StorageGRIDが報告する内容:

  • Javaヒープの上限アラーム/アラート
  • Cassandraによるログの修復エラー。例:
[ERROR] org.apache.cassandra.repair.Validator:268 - Failed creating a merkle tree for [repair #e9a52ab0-9329-11eb-83c1-8bc0b64bffdd on storagegrid

 

 

 

 

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