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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 に含まDSE 5.1.14れる Cassandra のバージョンコードライン()によって、長時間の修復によって Merkle ツリーメモリリークが原因で Java ヒープ使用率が高くなることがあります。 

 

StorageGRID が報告する内容:

  • 高 Java ヒープアラーム / アラート
  • ログ内の Cassandra 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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