Request to close index fails due to socket timeout

Elastic Stack Elasticsearch
7 
"index : {
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    },
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    },
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    "segments": {
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      "memory_in_bytes": 16087510648,
      "terms_memory_in_bytes": 16066293914,
      "stored_fields_memory_in_bytes": 1421048,
      "term_vectors_memory_in_bytes": 0,
      "norms_memory_in_bytes": 5009536,
      "points_memory_in_bytes": 0,
      "doc_values_memory_in_bytes": 14786150,
      "index_writer_memory_in_bytes": 275889624,
      "version_map_memory_in_bytes": 345014,
      "fixed_bit_set_memory_in_bytes": 0,
      "max_unsafe_auto_id_timestamp": -1,
      "file_sizes": {
        
      }
    },

Please check the details above for the other questions