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Cassandraの実行中にCassandra Communication Errorアラートが発生する

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環境

  • StorageGRID 11.6
  • StorageGRID 11.7

問題

  • 「Cassandra communication error」アラートが断続的に発生する。
  • 「Cassandra communication error」アラートには、「Unable to communicate with node.」（"unresponsiveServices":"jmx"）アラートが伴います
  • Cassandraはstoragegrid-statusで示されているように実行されています
  • 上記のアラートが発生したとき、Cassandraの再起動に関連するエントリはservermanager.logにありません

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