Request to close index fails due to socket timeout

"index : {
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    },
    "docs": {
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      "deleted": 574568
    },
    "store": {
      "size_in_bytes": 200301943826,
      "reserved_in_bytes": 0
    },
    "fielddata": {
      "memory_size_in_bytes": 23387224,
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    },
    "query_cache": {
      "memory_size_in_bytes": 922891449,
      "total_count": 25291617563,
      "hit_count": 339591942,
      "miss_count": 24952025621,
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    "completion": {
      "size_in_bytes": 15990602714
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    "segments": {
      "count": 1233,
      "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