Update documentation for new composite span fields in ES

apmpackage/apm/data_stream/traces/fields/fields.yml

@@ -113,6 +113,18 @@
   type: keyword
   description: |
     The specific kind of event within the sub-type represented by the span (e.g. query, connect)
+- name: span.composite.compression_strategy
+  type: keyword
+  description: |
+    The compression strategy that was used.
+- name: span.composite.count
+  type: long
+  description: |
+    Number of compressed spans the composite span represents.
+- name: span.composite.sum.us
+  type: long
+  description: |
+    Sum of the durations of the compression spans, in microseconds.
 - name: span.db.link
   type: keyword
   description: |

apmpackage/apm/docs/README.md

@@ -131,6 +131,9 @@ Traces are written to `traces-apm.*` indices.
 |source.ip|IP address of the source of a recorded event. This is typically obtained from a request's X-Forwarded-For or the X-Real-IP header or falls back to a given configuration for remote address.|ip|  ![](https://doc-icons.s3.us-east-2.amazonaws.com/icon-yes.png)  |
 |source.port|Port of the source.|long|  ![](https://doc-icons.s3.us-east-2.amazonaws.com/icon-yes.png)  |
 |span.action|The specific kind of event within the sub-type represented by the span (e.g. query, connect)|keyword|  ![](https://doc-icons.s3.us-east-2.amazonaws.com/icon-no.png)  |
+|span.composite.compression\_strategy|The compression strategy that was used.|keyword|  ![](https://doc-icons.s3.us-east-2.amazonaws.com/icon-no.png)  |
+|span.composite.count|Number of compressed spans the composite span represents.|long|  ![](https://doc-icons.s3.us-east-2.amazonaws.com/icon-no.png)  |
+|span.composite.sum.us|Sum of the durations of the compression spans, in microseconds.|long|  ![](https://doc-icons.s3.us-east-2.amazonaws.com/icon-no.png)  |
 |span.db.link|Database link.|keyword|  ![](https://doc-icons.s3.us-east-2.amazonaws.com/icon-no.png)  |
 |span.db.rows\_affected|Number of rows affected by the database statement.|long|  ![](https://doc-icons.s3.us-east-2.amazonaws.com/icon-no.png)  |
 |span.destination.service.name|Identifier for the destination service (e.g. 'http://elastic.co', 'elasticsearch', 'rabbitmq') DEPRECATED: this field will be removed in a future release|keyword|  ![](https://doc-icons.s3.us-east-2.amazonaws.com/icon-no.png)  |

docs/fields.asciidoc

@@ -3927,6 +3927,38 @@ type: long
 
 --
 
+
+*`span.composite.count`*::
++
+--
+Number of compressed spans the composite span represents.
+
+
+type: long
+
+--
+
+
+*`span.composite.sum.us`*::
++
+--
+Sum of the durations of the compression spans, in microseconds.
+
+
+type: long
+
+--
+
+*`span.composite.compression_strategy`*::
++
+--
+The compression strategy that was used.
+
+
+type: keyword
+
+--
+
 [[exported-fields-apm-span-metrics-xpack]]
 == APM Span Metrics fields
 

model/span/_meta/fields.yml

@@ -865,3 +865,28 @@
                 type: long
                 description: >
                   Age of a message in milliseconds.
+
+        - name: composite
+          type: group
+          dynamic: false
+          fields:
+
+            - name: count
+              type: long
+              description: >
+                Number of compressed spans the composite span represents.
+
+            - name: sum
+              type: group
+              fields:
+
+                - name: us
+                  type: long
+                  count: 1
+                  description: >
+                    Sum of the durations of the compression spans, in microseconds.
+
+            - name: compression_strategy
+              type: keyword
+              description: >
+                The compression strategy that was used.