Add FailedCategoryCount to ModelSizeStats (#4813) (#4825)

Relates: elastic/elasticsearch#55716, #4803

This commit adds FailedCategoryCount to ModelSizeStats
and adds other missing fields to JobStats

Co-authored-by: Russ Cam <russ.cam@elastic.co>

Author: github-actions[bot]

src/Nest/XPack/MachineLearning/Job/Config/JobStats.cs

@@ -26,6 +26,13 @@ public class JobStats
 		[DataMember(Name = "data_counts")]
 		public DataCounts DataCounts { get; internal set; }
 
+		/// <summary>
+		/// Indicates that the process of deleting the job is in progress but not yet completed.
+		/// It is only reported when true.
+		/// </summary>
+		[DataMember(Name = "deleting")]
+		public bool? Deleting { get; internal set; }
+
 		/// <summary>
 		///  Contains job statistics if job contains a forecast.
 		/// </summary>
@@ -109,10 +116,23 @@ public class TimingStats
 		/// <remarks>Valid in Elasticsearch 7.4.0+</remarks>
 		[DataMember(Name = "exponential_average_bucket_processing_time_per_hour_ms")]
 		public double ExponentialAverageBucketProcessingTimePerHourMilliseconds { get; internal set; }
+
+		/// <summary>
+		/// Sum of all bucket processing times, in milliseconds.
+		/// </summary>
+		[DataMember(Name = "total_bucket_processing_time_ms")]
+		public double TotalBucketProcessingTimeMilliseconds { get; internal set; }
 	}
 
 	public class JobForecastStatistics
 	{
+		/// <summary>
+		/// A value of 0 indicates that forecasts do not exist for this job.
+		/// A value of 1 indicates that at least one forecast exists.
+		/// </summary>
+		[DataMember(Name = "forecasted_jobs")]
+		public long ForecastedJobs { get; internal set; }
+
 		/// <summary>
 		/// Statistics about the memory usage: minimum, maximum, average and total.
 		/// </summary>

src/Nest/XPack/MachineLearning/Job/Process/ModelSizeStats.cs

@@ -21,6 +21,42 @@ public class ModelSizeStats
 		[DataMember(Name = "bucket_allocation_failures_count")]
 		public long BucketAllocationFailuresCount { get; internal set; }
 
+		/// <summary>
+		/// The number of documents that have had a field categorized.
+		/// </summary>
+		[DataMember(Name = "categorized_doc_count")]
+		public long CategorizedDocCount { get; internal set; }
+
+		/// <summary>
+		/// The status of categorization for the job.
+		/// </summary>
+		[DataMember(Name = "categorization_status")]
+		public ModelCategorizationStatus CategorizationStatus { get; internal set; }
+
+		/// <summary>
+		/// The number of categories created by categorization that will never be assigned again because another
+		/// category's definition makes it a superset of the dead category.
+		/// (Dead categories are a side effect of the way categorization has no prior training.)
+		/// </summary>
+		[DataMember(Name = "dead_category_count")]
+		public long DeadCategoryCount { get; internal set; }
+
+		/// <summary>
+		/// The number of times that categorization wanted to create a new category but couldn't because the job had hit its model_memory_limit.
+		/// This count does not track which specific categories failed to be created. Therefore you cannot use this value to determine
+		/// the number of unique categories that were missed.
+		/// <para />
+		/// Available in Elasticsearch 7.8.0+
+		/// </summary>
+		[DataMember(Name = "failed_category_count")]
+		public long FailedCategoryCount { get; internal set; }
+
+		/// <summary>
+		/// The number of categories that match more than 1% of categorized documents.
+		/// </summary>
+		[DataMember(Name = "frequent_category_count")]
+		public long FrequentCategoryCount { get; internal set; }
+
 		/// <summary>
 		///  A unique identifier for the job.
 		/// </summary>
@@ -47,6 +83,24 @@ public class ModelSizeStats
 		[DataMember(Name = "model_bytes")]
 		public long ModelBytes { get; internal set; }
 
+		/// <summary>
+		/// The number of bytes over the high limit for memory usage at the last allocation failure.
+		/// </summary>
+		[DataMember(Name = "model_bytes_exceeded")]
+		public long ModelBytesExceeded { get; internal set; }
+
+		/// <summary>
+		/// The upper limit for model memory usage, checked on increasing values.
+		/// </summary>
+		[DataMember(Name = "model_bytes_memory_limit")]
+		public long ModelBytesMemoryLimit { get; internal set; }
+
+		/// <summary>
+		/// The number of categories that match just one categorized document.
+		/// </summary>
+		[DataMember(Name = "rare_category_count")]
+		public long RareCategoryCount { get; internal set; }
+
 		/// <summary>
 		/// For internal use. The type of result.
 		/// </summary>
@@ -66,6 +120,12 @@ public class ModelSizeStats
 		[DataMember(Name = "total_by_field_count")]
 		public long TotalByFieldCount { get; internal set; }
 
+		/// <summary>
+		/// The number of categories created by categorization.
+		/// </summary>
+		[DataMember(Name = "total_category_count")]
+		public long TotalCategoryCount { get; internal set; }
+
 		/// <summary>
 		/// The number of over field values that were analyzed by the models.
 		/// </summary>