refactor: remove unused error channels and enhance job configuration; add max failed batches load parameter

cmd/go_migrate/process.go

@@ -114,7 +114,6 @@ func processMigrationJob(
 	}
 
 	chJobErrors := make(chan custom_errors.JobError, jobErrorsChannelSize)
-	chLoadersErrors := make(chan custom_errors.LoaderError, job.ExtractorQueueSize)
 	chPartitions := make(chan models.Partition, job.ExtractorQueueSize)
 	chBatchesRaw := make(chan models.Batch, job.ExtractorQueueSize)
 	chBatchesTransformed := make(chan models.Batch, job.TransformerQueueSize)
@@ -133,16 +132,6 @@ func processMigrationJob(
 		}
 	}()
 
-	go custom_errors.LoaderErrorHandler(
-		localCtx,
-		job.Retry,
-		job.MaxExtractorBatchErrors,
-		chLoadersErrors,
-		chBatchesTransformed,
-		chJobErrors,
-		&wgActiveBatches,
-	)
-
 	maxExtractors := min(job.MaxExtractors, len(partitions))
 	log.Infof("Starting %d extractor(s)...", maxExtractors)
 
@@ -223,8 +212,6 @@ func processMigrationJob(
 		log.Debugf("wgActiveBatches is empty (%v)", job.Name)
 		close(chBatchesTransformed)
 		log.Debugf("chBatchesTransformed is empty (%v)", job.Name)
-		close(chLoadersErrors)
-		log.Debugf("chLoadersErrors is empty (%v)", job.Name)
 
 		wgLoaders.Wait()
 		log.Debugf("wgLoaders is empty (%v)", job.Name)

config.yaml

@@ -12,10 +12,11 @@ defaults:
   transformer_queue_size: 8
   max_loaders: 4
   loader_batch_size: 25000
+  max_failed_partitions: 5
+  max_failed_batches_transform: 5
+  max_failed_batches_load: 5
   truncate_target: true
   truncate_method: TRUNCATE # TRUNCATE | DELETE
-  max_partition_errrors: 5
-  max_extractor_batch_errors: 5
   retry:
     attempts: 3
     base_delay_ms: 500
@@ -34,11 +35,11 @@ jobs:
       table: MANZANA
       pre_sql: 
         - 'SELECT 1'
-    range:
-      min: 1000000
-      max: 2000000
-      is_min_inclusive: false
-      is_max_inclusive: true
+    # range:
+    #   min: 1000000
+    #   max: 2000000
+    #   is_min_inclusive: false
+    #   is_max_inclusive: true
 
   - name: red_puerto
     enabled: true
@@ -57,25 +58,29 @@ jobs:
       post_sql: 
         - "SELECT 1"
 
-  - name: infraestructura_site_holder__attach
-    source:
-      schema: Infraestructura
-      table: SITE_HOLDER__ATTACH
-      primary_key: GDB_ARCHIVE_OID
-    target:
-      schema: Infraestructura
-      table: SITE_HOLDER__ATTACH
-    to_storage:
-      columns:
-        - source: DATA
-          target: FILE_URL
-          mode: REFERENCE_ONLY
-    max_extractors: 8
-    max_loaders: 4
-    queue_size: 32
-    batch_size: 1
-    retry:
-      attempts: 5
-      base_delay_ms: 1000
-      max_delay_ms: 15000
-      max_jitter_ms: 500
+  # - name: infraestructura_site_holder__attach
+  #   source:
+  #     schema: Infraestructura
+  #     table: SITE_HOLDER__ATTACH
+  #     primary_key: GDB_ARCHIVE_OID
+  #   target:
+  #     schema: Infraestructura
+  #     table: SITE_HOLDER__ATTACH
+  #   to_storage:
+  #     columns:
+  #       - source: DATA
+  #         target: FILE_URL
+  #         mode: REFERENCE_ONLY
+  #   batches_per_partition: 10000
+  #   max_extractors: 8
+  #   extractor_queue_size: 32
+  #   extractor_batch_size: 1
+  #   max_transformers: 16
+  #   transformer_batch_size: 20000
+  #   transformer_queue_size: 8
+  #   max_loaders: 4
+  #   retry:
+  #     attempts: 5
+  #     base_delay_ms: 1000
+  #     max_delay_ms: 15000
+  #     max_jitter_ms: 500

internal/app/config/migration.go

@@ -34,10 +34,11 @@ type JobConfig struct {
 	TransformerQueueSize      int         `yaml:"transformer_queue_size"`
 	MaxLoaders                int         `yaml:"max_loaders"`
 	LoaderBatchSize           int         `yaml:"loader_batch_size"`
+	MaxFailedPartitions       int         `yaml:"max_failed_partitions"`
+	MaxFailedBatchesTransform int         `yaml:"max_failed_batches_transform"`
+	MaxFailedBatchesLoad      int         `yaml:"max_failed_batches_load"`
 	TruncateTarget            bool        `yaml:"truncate_target"`
 	TruncateMethod            string      `yaml:"truncate_method"`
-	MaxPartitionErrrors     int         `yaml:"max_partition_errrors"`
-	MaxExtractorBatchErrors int         `yaml:"max_extractor_batch_errors"`
 	Retry                     RetryConfig `yaml:"retry"`
 	RowsPerPartition          int64
 	ToStorage                 ToStorageConfig `yaml:"to_storage"`

internal/app/etl/loaders/process-with-retries.go

@@ -18,6 +18,7 @@ func (gl *GenericLoader) ProcessBatchWithRetries(
 	retryConfig config.RetryConfig,
 	batch models.Batch,
 ) (int64, error) {
+	retries := 0
 	for {
 		rowsLoaded, err := gl.ProcessBatch(ctx, tableInfo, colNames, batch)
 		if err == nil {
@@ -25,7 +26,8 @@ func (gl *GenericLoader) ProcessBatchWithRetries(
 		}
 
 		if btError, ok := errors.AsType[*custom_errors.LoaderError](err); ok {
-			batch.RetryCounter++
+			retries++
+			batch.RetryCounter = retries
 
 			if batch.RetryCounter >= retryConfig.Attempts {
 				return rowsLoaded, &custom_errors.JobError{