Merge remote-tracking branch 'origin/main' into add_cache_read_on_buffer

.buildkite/pipelines/intake.yml

@@ -56,7 +56,7 @@ steps:
         timeout_in_minutes: 300
         matrix:
           setup:
-            BWC_VERSION: ["7.17.21", "8.13.3", "8.14.0", "8.15.0"]
+            BWC_VERSION: ["7.17.22", "8.13.4", "8.14.0", "8.15.0"]
         agents:
           provider: gcp
           image: family/elasticsearch-ubuntu-2004

.buildkite/pipelines/periodic-packaging.yml

@@ -305,8 +305,8 @@ steps:
         env:
           BWC_VERSION: 7.16.3
 
-      - label: "{{matrix.image}} / 7.17.21 / packaging-tests-upgrade"
-        command: ./.ci/scripts/packaging-test.sh -Dbwc.checkout.align=true destructiveDistroUpgradeTest.v7.17.21
+      - label: "{{matrix.image}} / 7.17.22 / packaging-tests-upgrade"
+        command: ./.ci/scripts/packaging-test.sh -Dbwc.checkout.align=true destructiveDistroUpgradeTest.v7.17.22
         timeout_in_minutes: 300
         matrix:
           setup:
@@ -319,7 +319,7 @@ steps:
           machineType: custom-16-32768
           buildDirectory: /dev/shm/bk
         env:
-          BWC_VERSION: 7.17.21
+          BWC_VERSION: 7.17.22
 
       - label: "{{matrix.image}} / 8.0.1 / packaging-tests-upgrade"
         command: ./.ci/scripts/packaging-test.sh -Dbwc.checkout.align=true destructiveDistroUpgradeTest.v8.0.1
@@ -529,8 +529,8 @@ steps:
         env:
           BWC_VERSION: 8.12.2
 
-      - label: "{{matrix.image}} / 8.13.3 / packaging-tests-upgrade"
-        command: ./.ci/scripts/packaging-test.sh -Dbwc.checkout.align=true destructiveDistroUpgradeTest.v8.13.3
+      - label: "{{matrix.image}} / 8.13.4 / packaging-tests-upgrade"
+        command: ./.ci/scripts/packaging-test.sh -Dbwc.checkout.align=true destructiveDistroUpgradeTest.v8.13.4
         timeout_in_minutes: 300
         matrix:
           setup:
@@ -543,7 +543,7 @@ steps:
           machineType: custom-16-32768
           buildDirectory: /dev/shm/bk
         env:
-          BWC_VERSION: 8.13.3
+          BWC_VERSION: 8.13.4
 
       - label: "{{matrix.image}} / 8.14.0 / packaging-tests-upgrade"
         command: ./.ci/scripts/packaging-test.sh -Dbwc.checkout.align=true destructiveDistroUpgradeTest.v8.14.0

.buildkite/pipelines/periodic.yml

@@ -325,8 +325,8 @@ steps:
             - signal_reason: agent_stop
               limit: 3
 
-      - label: 7.17.21 / bwc
-        command: .ci/scripts/run-gradle.sh -Dbwc.checkout.align=true v7.17.21#bwcTest
+      - label: 7.17.22 / bwc
+        command: .ci/scripts/run-gradle.sh -Dbwc.checkout.align=true v7.17.22#bwcTest
         timeout_in_minutes: 300
         agents:
           provider: gcp
@@ -335,7 +335,7 @@ steps:
           buildDirectory: /dev/shm/bk
           preemptible: true
         env:
-          BWC_VERSION: 7.17.21
+          BWC_VERSION: 7.17.22
         retry:
           automatic:
             - exit_status: "-1"
@@ -591,8 +591,8 @@ steps:
             - signal_reason: agent_stop
               limit: 3
 
-      - label: 8.13.3 / bwc
-        command: .ci/scripts/run-gradle.sh -Dbwc.checkout.align=true v8.13.3#bwcTest
+      - label: 8.13.4 / bwc
+        command: .ci/scripts/run-gradle.sh -Dbwc.checkout.align=true v8.13.4#bwcTest
         timeout_in_minutes: 300
         agents:
           provider: gcp
@@ -601,7 +601,7 @@ steps:
           buildDirectory: /dev/shm/bk
           preemptible: true
         env:
-          BWC_VERSION: 8.13.3
+          BWC_VERSION: 8.13.4
         retry:
           automatic:
             - exit_status: "-1"
@@ -714,7 +714,7 @@ steps:
           setup:
             ES_RUNTIME_JAVA:
               - openjdk17
-            BWC_VERSION: ["7.17.21", "8.13.3", "8.14.0", "8.15.0"]
+            BWC_VERSION: ["7.17.22", "8.13.4", "8.14.0", "8.15.0"]
         agents:
           provider: gcp
           image: family/elasticsearch-ubuntu-2004
@@ -760,7 +760,7 @@ steps:
               - openjdk17
               - openjdk21
               - openjdk22
-            BWC_VERSION: ["7.17.21", "8.13.3", "8.14.0", "8.15.0"]
+            BWC_VERSION: ["7.17.22", "8.13.4", "8.14.0", "8.15.0"]
         agents:
           provider: gcp
           image: family/elasticsearch-ubuntu-2004

.ci/bwcVersions

@@ -16,7 +16,7 @@ BWC_VERSION:
   - "7.14.2"
   - "7.15.2"
   - "7.16.3"
-  - "7.17.21"
+  - "7.17.22"
   - "8.0.1"
   - "8.1.3"
   - "8.2.3"
@@ -30,6 +30,6 @@ BWC_VERSION:
   - "8.10.4"
   - "8.11.4"
   - "8.12.2"
-  - "8.13.3"
+  - "8.13.4"
   - "8.14.0"
   - "8.15.0"

.ci/snapshotBwcVersions

@@ -1,5 +1,5 @@
 BWC_VERSION:
-  - "7.17.21"
-  - "8.13.3"
+  - "7.17.22"
+  - "8.13.4"
   - "8.14.0"
   - "8.15.0"

docs/changelog/107862.yaml

@@ -0,0 +1,6 @@
+pr: 107862
+summary: Fix serialization of put-shutdown request
+area: Infra/Node Lifecycle
+type: bug
+issues:
+ - 107857

docs/changelog/107865.yaml

@@ -0,0 +1,5 @@
+pr: 107865
+summary: Fix docs generation of signatures for variadic functions
+area: ES|QL
+type: bug
+issues: []

docs/changelog/107892.yaml

@@ -0,0 +1,5 @@
+pr: 107892
+summary: Optimise cardinality aggregations for single value fields
+area: Aggregations
+type: enhancement
+issues: []

docs/changelog/107978.yaml

@@ -0,0 +1,6 @@
+pr: 107978
+summary: Drop shards close timeout when stopping node.
+area: Engine
+type: enhancement
+issues:
+ - 107938

docs/changelog/108131.yaml

@@ -0,0 +1,5 @@
+pr: 108131
+summary: "Inference Processor: skip inference when all fields are missing"
+area: Machine Learning
+type: enhancement
+issues: []

docs/changelog/108145.yaml

@@ -0,0 +1,5 @@
+pr: 108145
+summary: Async close of `IndexShard`
+area: Engine
+type: bug
+issues: []

docs/changelog/108146.yaml

@@ -0,0 +1,5 @@
+pr: 108146
+summary: Allow deletion of the ELSER inference service when reference in ingest
+area: Machine Learning
+type: bug
+issues: []

docs/changelog/108227.yaml

@@ -0,0 +1,5 @@
+pr: 108227
+summary: "Apm-data: improve indexing resilience"
+area: Data streams
+type: enhancement
+issues: []

docs/reference/ccr/getting-started.asciidoc

@@ -90,6 +90,7 @@ image::images/ccr-tutorial-clusters.png[ClusterA contains the leader index and C
 
 To configure a remote cluster from Stack Management in {kib}:
 
+. Set up a <<add-remote-clusters,secure connection>> as needed.
 . Select *Remote Clusters* from the side navigation.
 . Specify the {es} endpoint URL, or the IP address or host name of the remote
 cluster (`ClusterA`) followed by the transport port (defaults to `9300`). For

docs/reference/cluster/remote-info.asciidoc

@@ -69,7 +69,6 @@ Refer to <<skip-unavailable-clusters>>.
     mode is configured.
 
 `cluster_credentials`::
-beta:[]
 This field presents and has value of `::es_redacted::` only when the
 <<remote-clusters-api-key,remote cluster is configured with the API key based model>>.
 Otherwise, the field is not present.

docs/reference/esql/functions/types/bucket.asciidoc

@@ -5,7 +5,10 @@
 [%header.monospaced.styled,format=dsv,separator=|]
 |===
 field | buckets | from | to | result
+datetime | date_period | | | datetime
 datetime | integer | datetime | datetime | datetime
+datetime | time_duration | | | datetime
+double | double | | | double
 double | integer | double | double | double
 double | integer | double | integer | double
 double | integer | double | long | double
@@ -15,6 +18,7 @@ double | integer | integer | long | double
 double | integer | long | double | double
 double | integer | long | integer | double
 double | integer | long | long | double
+integer | double | | | double
 integer | integer | double | double | double
 integer | integer | double | integer | double
 integer | integer | double | long | double
@@ -24,6 +28,7 @@ integer | integer | integer | long | double
 integer | integer | long | double | double
 integer | integer | long | integer | double
 integer | integer | long | long | double
+long | double | | | double
 long | integer | double | double | double
 long | integer | double | integer | double
 long | integer | double | long | double

docs/reference/esql/functions/types/coalesce.asciidoc

@@ -6,8 +6,13 @@
 |===
 first | rest | result
 boolean | boolean | boolean
+boolean | | boolean
 integer | integer | integer
+integer | | integer
 keyword | keyword | keyword
+keyword | | keyword
 long | long | long
+long | | long
 text | text | text
+text | | text
 |===

docs/reference/esql/functions/types/greatest.asciidoc

@@ -6,11 +6,16 @@
 |===
 first | rest | result
 boolean | boolean | boolean
+boolean | | boolean
 double | double | double
 integer | integer | integer
+integer | | integer
 ip | ip | ip
 keyword | keyword | keyword
+keyword | | keyword
 long | long | long
+long | | long
 text | text | text
+text | | text
 version | version | version
 |===

docs/reference/esql/functions/types/least.asciidoc

@@ -6,11 +6,16 @@
 |===
 first | rest | result
 boolean | boolean | boolean
+boolean | | boolean
 double | double | double
 integer | integer | integer
+integer | | integer
 ip | ip | ip
 keyword | keyword | keyword
+keyword | | keyword
 long | long | long
+long | | long
 text | text | text
+text | | text
 version | version | version
 |===

docs/reference/esql/functions/types/locate.asciidoc

@@ -6,7 +6,11 @@
 |===
 string | substring | start | result
 keyword | keyword | integer | integer
+keyword | keyword | | integer
 keyword | text | integer | integer
+keyword | text | | integer
 text | keyword | integer | integer
+text | keyword | | integer
 text | text | integer | integer
+text | text | | integer
 |===

docs/reference/esql/functions/types/log.asciidoc

@@ -9,16 +9,20 @@ double | double | double
 double | integer | double
 double | long | double
 double | unsigned_long | double
+double | | double
 integer | double | double
 integer | integer | double
 integer | long | double
 integer | unsigned_long | double
+integer | | double
 long | double | double
 long | integer | double
 long | long | double
 long | unsigned_long | double
+long | | double
 unsigned_long | double | double
 unsigned_long | integer | double
 unsigned_long | long | double
 unsigned_long | unsigned_long | double
+unsigned_long | | double
 |===

docs/reference/esql/functions/types/round.asciidoc

@@ -6,6 +6,10 @@
 |===
 number | decimals | result
 double | integer | double
+double | | double
 integer | integer | integer
+integer | | integer
 long | integer | long
+long | | long
+unsigned_long | | unsigned_long
 |===