Merge remote-tracking branch 'upstream/main' into 04212025/PauseIndexingES11516

refresh branch

Author: ankikuma

.buildkite/scripts/third-party-test-credentials.sh

@@ -7,6 +7,7 @@ set -euo pipefail
 # The second/lowercase export is what the tests expect/require
 
 if [[ "${USE_3RD_PARTY_AZURE_CREDENTIALS:-}" == "true" ]]; then
+  # These credentials expire periodically and must be manually renewed - the process is in the onboarding/process docs.
   json=$(vault read -format=json secret/ci/elastic-elasticsearch/migrated/azure_thirdparty_test_creds)
 
   AZURE_STORAGE_ACCOUNT_SECRET=$(echo "$json" | jq -r .data.account_id)
@@ -19,6 +20,7 @@ if [[ "${USE_3RD_PARTY_AZURE_CREDENTIALS:-}" == "true" ]]; then
 fi
 
 if [[ "${USE_3RD_PARTY_AZURE_SAS_CREDENTIALS:-}" == "true" ]]; then
+  # These credentials expire periodically and must be manually renewed - the process is in the onboarding/process docs.
   json=$(vault read -format=json secret/ci/elastic-elasticsearch/migrated/azure_thirdparty_sas_test_creds)
 
   AZURE_STORAGE_ACCOUNT_SECRET=$(echo "$json" | jq -r .data.account_id)

docs/changelog/127629.yaml

@@ -0,0 +1,5 @@
+pr: 127629
+summary: ES|QL SAMPLE aggregation function
+area: Machine Learning
+type: feature
+issues: []

docs/changelog/127752.yaml

@@ -0,0 +1,6 @@
+pr: 127752
+summary: Downsampling does not consider passthrough fields as dimensions
+area: Downsampling
+type: bug
+issues:
+ - 125156

docs/changelog/127817.yaml

@@ -0,0 +1,5 @@
+pr: 127817
+summary: Replace auto-read with proper flow-control in HTTP pipeline
+area: Network
+type: enhancement
+issues: []

docs/changelog/127824.yaml

@@ -0,0 +1,6 @@
+pr: 127824
+summary: Skip the validation when retrieving the index mode during reindexing a time
+  series data stream
+area: TSDB
+type: bug
+issues: []