k-NN Stats response with and without remote vector build enabled

Stats_Output.txt

❯ curl -XGET "/_plugins/_knn/stats?pretty"
{
  "_nodes" : {
    "total" : 1,
    "successful" : 1,
    "failed" : 0
  },
  "cluster_name" : "integTest",
  "circuit_breaker_triggered" : false,
  "model_index_status" : null,
  "nodes" : {
    "node1" : {
      "max_distance_query_with_filter_requests" : 0,
      "graph_memory_usage_percentage" : 0.0,
      "graph_query_requests" : 2,
      "graph_memory_usage" : 0,
      "cache_capacity_reached" : false,
      "load_success_count" : 0,
      "training_memory_usage" : 0,
      "indices_in_cache" : { },
      "script_query_errors" : 0,
      "hit_count" : 0,
      "knn_query_requests" : 1,
      "total_load_time" : 0,
      "miss_count" : 0,
      "min_score_query_requests" : 0,
      "knn_query_with_filter_requests" : 0,
      "training_memory_usage_percentage" : 0.0,
      "max_distance_query_requests" : 0,
      "lucene_initialized" : false,
      "graph_index_requests" : 0,
      "faiss_initialized" : true,
      "load_exception_count" : 0,
      "training_errors" : 0,
      "min_score_query_with_filter_requests" : 0,
      "eviction_count" : 0,
      "nmslib_initialized" : false,
      "script_compilations" : 0,
      "script_query_requests" : 0,
      "graph_stats" : {
        "merge" : {
          "current" : 0,
          "total" : 1,
          "total_time_in_millis" : 1,
          "current_docs" : 0,
          "total_docs" : 10,
          "total_size_in_bytes" : 8,
          "current_size_in_bytes" : 0
        },
        "refresh" : {
          "total" : 3,
          "total_time_in_millis" : 57
        }
      },
      "graph_query_errors" : 0,
      "indexing_from_model_degraded" : false,
      "graph_index_errors" : 0,
      "training_requests" : 0,
      "script_compilation_errors" : 0
    }
  }
}

❯ curl -k -X PUT "/_cluster/settings" -H 'Content-Type: application/json' -d '{"persistent": {"knn.feature.remote_index_build.enabled": true}}'

{"acknowledged":true,"persistent":{"knn":{"feature":{"remote_index_build":{"enabled":"true"}}}},"transient":{}}%

❯ curl -XGET "/_plugins/_knn/stats?pretty"
{
  "_nodes" : {
    "total" : 1,
    "successful" : 1,
    "failed" : 0
  },
  "cluster_name" : "integTest",
  "circuit_breaker_triggered" : false,
  "model_index_status" : null,
  "nodes" : {
    "node1" : {
      "remote_vector_index_build_stats" : {
        "repository_stats" : {
          "read_success_count" : 0,
          "read_failure_count" : 0,
          "successful_read_time_in_millis" : 0,
          "write_success_count" : 0,
          "write_failure_count" : 0,
          "successful_write_time_in_millis" : 0
        },
        "client_stats" : {
          "status_request_failure_count" : 0,
          "status_request_success_count" : 0,
          "index_build_success_count" : 0,
          "index_build_failure_count" : 1,
          "build_request_failure_count" : 0,
          "build_request_success_count" : 0,
          "waiting_time_in_ms" : 0
        },
        "build_stats" : {
          "remote_index_build_flush_time_in_millis" : 0,
          "remote_index_build_current_merge_operations" : 0,
          "remote_index_build_current_flush_operations" : 0,
          "remote_index_build_current_merge_size" : 0,
          "remote_index_build_current_flush_size" : 0,
          "remote_index_build_merge_time_in_millis" : 0
        }
      },
      "max_distance_query_with_filter_requests" : 0,
      "graph_memory_usage_percentage" : 0.0,
      "graph_query_requests" : 2,
      "graph_memory_usage" : 0,
      "cache_capacity_reached" : false,
      "load_success_count" : 0,
      "training_memory_usage" : 0,
      "indices_in_cache" : { },
      "script_query_errors" : 0,
      "hit_count" : 0,
      "knn_query_requests" : 1,
      "total_load_time" : 0,
      "miss_count" : 0,
      "min_score_query_requests" : 0,
      "knn_query_with_filter_requests" : 0,
      "training_memory_usage_percentage" : 0.0,
      "max_distance_query_requests" : 0,
      "lucene_initialized" : false,
      "graph_index_requests" : 0,
      "faiss_initialized" : true,
      "load_exception_count" : 0,
      "training_errors" : 0,
      "min_score_query_with_filter_requests" : 0,
      "eviction_count" : 0,
      "nmslib_initialized" : false,
      "script_compilations" : 0,
      "script_query_requests" : 0,
      "graph_stats" : {
        "merge" : {
          "current" : 0,
          "total" : 1,
          "total_time_in_millis" : 1,
          "current_docs" : 0,
          "total_docs" : 10,
          "total_size_in_bytes" : 8,
          "current_size_in_bytes" : 0
        },
        "refresh" : {
          "total" : 3,
          "total_time_in_millis" : 57
        }
      },
      "graph_query_errors" : 0,
      "indexing_from_model_degraded" : false,
      "graph_index_errors" : 0,
      "training_requests" : 0,
      "script_compilation_errors" : 0
    }
  }
}