Make ingest byte stat names more descriptive (#108786)

Current ingest byte stat fields could easily be confused.
Add more descriptive name to make it clear that they do not
count all docs processed by the pipeline.

docs/changelog/108786.yaml

@@ -0,0 +1,5 @@
+pr: 108786
+summary: Make ingest byte stat names more descriptive
+area: Ingest Node
+type: enhancement
+issues: []

docs/reference/cluster/cluster-info.asciidoc

@@ -207,14 +207,14 @@ pipeline.
 (integer)
 Total number of failed operations for the ingest pipeline.
 
-`ingested_in_bytes`::
+`ingested_as_first_pipeline_in_bytes`::
 (Optional, integer)
 Total number of bytes of all documents ingested by the pipeline.
 This field is only present on pipelines which are the first to process a document.
 Thus, it is not present on pipelines which only serve as a final pipeline after a default pipeline, a pipeline run after
 a reroute processor, or pipelines in pipeline processors.
 
-`produced_in_bytes`::
+`produced_as_first_pipeline_in_bytes`::
 (Optional, integer)
 Total number of bytes of all documents produced by the pipeline.
 This field is only present on pipelines which are the first to process a document.

docs/reference/cluster/nodes-stats.asciidoc

@@ -2643,14 +2643,14 @@ pipeline.
 (integer)
 Total number of failed operations for the ingest pipeline.
 
-`ingested_in_bytes`::
+`ingested_as_first_pipeline_in_bytes`::
 (Optional, integer)
 Total number of bytes of all documents ingested by the pipeline.
 This field is only present on pipelines which are the first to process a document.
 Thus, it is not present on pipelines which only serve as a final pipeline after a default pipeline, a pipeline run after
 a reroute processor, or pipelines in pipeline processors.
 
-`produced_in_bytes`::
+`produced_as_first_pipeline_in_bytes`::
 (Optional, integer)
 Total number of bytes of all documents produced by the pipeline.
 This field is only present on pipelines which are the first to process a document.

modules/ingest-common/src/yamlRestTest/resources/rest-api-spec/test/ingest/15_info_ingest.yml

@@ -90,8 +90,8 @@ teardown:
   - gte: { ingest.pipelines.ingest_info_pipeline.time_in_millis: 0 }
   - match: { ingest.pipelines.ingest_info_pipeline.current: 0 }
   - match: { ingest.pipelines.ingest_info_pipeline.failed: 0 }
-  - gt: { ingest.pipelines.ingest_info_pipeline.ingested_in_bytes: 0 }
-  - gt: { ingest.pipelines.ingest_info_pipeline.produced_in_bytes: 0 }
+  - gt: { ingest.pipelines.ingest_info_pipeline.ingested_as_first_pipeline_in_bytes: 0 }
+  - gt: { ingest.pipelines.ingest_info_pipeline.produced_as_first_pipeline_in_bytes: 0 }
 
   # Processors section
   - is_true: ingest.pipelines.ingest_info_pipeline.processors.0.set
@@ -129,8 +129,8 @@ teardown:
       cluster.info:
         target: [ ingest ]
   - match: { ingest.pipelines.pipeline-1.failed: 1 }
-  - gt: { ingest.pipelines.pipeline-1.ingested_in_bytes: 0 }
-  - match: { ingest.pipelines.pipeline-1.produced_in_bytes: 0 }
+  - gt: { ingest.pipelines.pipeline-1.ingested_as_first_pipeline_in_bytes: 0 }
+  - match: { ingest.pipelines.pipeline-1.produced_as_first_pipeline_in_bytes: 0 }
 
 ---
 "Test drop processor":
@@ -156,8 +156,8 @@ teardown:
   - do:
       cluster.info:
         target: [ ingest ]
-  - gt: { ingest.pipelines.pipeline-1.ingested_in_bytes: 0 }
-  - match: { ingest.pipelines.pipeline-1.produced_in_bytes: 0 }
+  - gt: { ingest.pipelines.pipeline-1.ingested_as_first_pipeline_in_bytes: 0 }
+  - match: { ingest.pipelines.pipeline-1.produced_as_first_pipeline_in_bytes: 0 }
 
 ---
 "Test that pipeline processor has byte stats recorded in first pipeline":
@@ -211,11 +211,11 @@ teardown:
   - do:
       cluster.info:
         target: [ ingest ]
-  - gt: { ingest.pipelines.pipeline-1.ingested_in_bytes: 0 }
-  - set: { ingest.pipelines.pipeline-1.ingested_in_bytes: ingest_bytes }
-  - gt: { ingest.pipelines.pipeline-1.produced_in_bytes: $ingest_bytes }
-  - match: { ingest.pipelines.pipeline-2.ingested_in_bytes: null }
-  - match: { ingest.pipelines.pipeline-2.produced_in_bytes: null }
+  - gt: { ingest.pipelines.pipeline-1.ingested_as_first_pipeline_in_bytes: 0 }
+  - set: { ingest.pipelines.pipeline-1.ingested_as_first_pipeline_in_bytes: ingest_bytes }
+  - gt: { ingest.pipelines.pipeline-1.produced_as_first_pipeline_in_bytes: $ingest_bytes }
+  - match: { ingest.pipelines.pipeline-2.ingested_as_first_pipeline_in_bytes: null }
+  - match: { ingest.pipelines.pipeline-2.produced_as_first_pipeline_in_bytes: null }
 
 ---
 "Test that final pipeline has byte stats recorded in first pipeline":
@@ -264,11 +264,11 @@ teardown:
   - do:
       cluster.info:
         target: [ ingest ]
-  - gt: { ingest.pipelines.pipeline-1.ingested_in_bytes: 0 }
-  - set: { ingest.pipelines.pipeline-1.ingested_in_bytes: ingest_bytes }
-  - gt: { ingest.pipelines.pipeline-1.produced_in_bytes: $ingest_bytes }
-  - match: { ingest.pipelines.pipeline-2.ingested_in_bytes: null }
-  - match: { ingest.pipelines.pipeline-2.produced_in_bytes: null }
+  - gt: { ingest.pipelines.pipeline-1.ingested_as_first_pipeline_in_bytes: 0 }
+  - set: { ingest.pipelines.pipeline-1.ingested_as_first_pipeline_in_bytes: ingest_bytes }
+  - gt: { ingest.pipelines.pipeline-1.produced_as_first_pipeline_in_bytes: $ingest_bytes }
+  - match: { ingest.pipelines.pipeline-2.ingested_as_first_pipeline_in_bytes: null }
+  - match: { ingest.pipelines.pipeline-2.produced_as_first_pipeline_in_bytes: null }
 
 
 ---
@@ -330,8 +330,8 @@ teardown:
   - do:
       cluster.info:
         target: [ ingest ]
-  - gt: { ingest.pipelines.pipeline-1.ingested_in_bytes: 0 }
-  - set: { ingest.pipelines.pipeline-1.ingested_in_bytes: ingest_bytes }
-  - gt: { ingest.pipelines.pipeline-1.produced_in_bytes: $ingest_bytes }
-  - match: { ingest.pipelines.pipeline-2.ingested_in_bytes: null }
-  - match: { ingest.pipelines.pipeline-2.produced_in_bytes: null }
+  - gt: { ingest.pipelines.pipeline-1.ingested_as_first_pipeline_in_bytes: 0 }
+  - set: { ingest.pipelines.pipeline-1.ingested_as_first_pipeline_in_bytes: ingest_bytes }
+  - gt: { ingest.pipelines.pipeline-1.produced_as_first_pipeline_in_bytes: $ingest_bytes }
+  - match: { ingest.pipelines.pipeline-2.ingested_as_first_pipeline_in_bytes: null }
+  - match: { ingest.pipelines.pipeline-2.produced_as_first_pipeline_in_bytes: null }

server/src/main/java/org/elasticsearch/ingest/IngestStats.java

@@ -286,8 +286,8 @@ public record IngestStats(Stats totalStats, List<PipelineStat> pipelineStats, Ma
         @Override
         public XContentBuilder toXContent(XContentBuilder builder, Params params) throws IOException {
             if (bytesIngested > 0 || bytesProduced > 0) {
-                builder.field("ingested_in_bytes", bytesIngested);
-                builder.field("produced_in_bytes", bytesProduced);
+                builder.field("ingested_as_first_pipeline_in_bytes", bytesIngested);
+                builder.field("produced_as_first_pipeline_in_bytes", bytesProduced);
             }
             return builder;
         }