[libbeat] Mark disk queue as GA (#27515)

(cherry picked from commit 4039baa)

CHANGELOG.next.asciidoc

@@ -307,6 +307,7 @@ https://github.com/elastic/beats/compare/v7.0.0-alpha2...master[Check the HEAD d
 - Add new 'offline' docker image for Elastic Agent. {pull}27052[27052]
 - Add cgroups V2 support {pull}27242[27242]
 - update ECS field definitions to ECS 1.11.0. {pull}27107[27107]
+- The disk queue is now GA. {pull}27515[27515]
 
 *Auditbeat*
 

auditbeat/auditbeat.reference.yml

@@ -200,8 +200,8 @@ auditbeat.modules:
 
   # The spool queue will store events in a local spool file, before
   # forwarding the events to the outputs.
-  #
-  # Beta: spooling to disk is currently a beta feature. Use with care.
+  # Note: the spool queue is deprecated and will be removed in the future.
+  # Use the disk queue instead.
   #
   # The spool file is a circular buffer, which blocks once the file/buffer is full.
   # Events are put into a write buffer and flushed once the write buffer

filebeat/filebeat.reference.yml

@@ -1111,8 +1111,8 @@ filebeat.inputs:
 
   # The spool queue will store events in a local spool file, before
   # forwarding the events to the outputs.
-  #
-  # Beta: spooling to disk is currently a beta feature. Use with care.
+  # Note: the spool queue is deprecated and will be removed in the future.
+  # Use the disk queue instead.
   #
   # The spool file is a circular buffer, which blocks once the file/buffer is full.
   # Events are put into a write buffer and flushed once the write buffer

heartbeat/heartbeat.reference.yml

@@ -377,8 +377,8 @@ heartbeat.scheduler:
 
   # The spool queue will store events in a local spool file, before
   # forwarding the events to the outputs.
-  #
-  # Beta: spooling to disk is currently a beta feature. Use with care.
+  # Note: the spool queue is deprecated and will be removed in the future.
+  # Use the disk queue instead.
   #
   # The spool file is a circular buffer, which blocks once the file/buffer is full.
   # Events are put into a write buffer and flushed once the write buffer

journalbeat/journalbeat.reference.yml

@@ -142,8 +142,8 @@ setup.template.settings:
 
   # The spool queue will store events in a local spool file, before
   # forwarding the events to the outputs.
-  #
-  # Beta: spooling to disk is currently a beta feature. Use with care.
+  # Note: the spool queue is deprecated and will be removed in the future.
+  # Use the disk queue instead.
   #
   # The spool file is a circular buffer, which blocks once the file/buffer is full.
   # Events are put into a write buffer and flushed once the write buffer

libbeat/_meta/config/general.reference.yml.tmpl

@@ -79,8 +79,8 @@
 
   # The spool queue will store events in a local spool file, before
   # forwarding the events to the outputs.
-  #
-  # Beta: spooling to disk is currently a beta feature. Use with care.
+  # Note: the spool queue is deprecated and will be removed in the future.
+  # Use the disk queue instead.
   #
   # The spool file is a circular buffer, which blocks once the file/buffer is full.
   # Events are put into a write buffer and flushed once the write buffer

libbeat/docs/queueconfig.asciidoc

@@ -84,8 +84,6 @@ The default value is 1s.
 [[configuration-internal-queue-disk]]
 === Configure the disk queue
 
-beta[]
-
 The disk queue stores pending events on the disk rather than main memory.
 This allows Beats to queue a larger number of events than is possible with
 the memory queue, and to save events when a Beat or device is restarted.
@@ -95,8 +93,6 @@ for setups where the disk is not the main bottleneck, the disk queue gives
 a simple and relatively low-overhead way to add a layer of robustness to
 incoming event data.
 
-The disk queue is expected to replace the file spool in a future release.
-
 
 To enable the disk queue with default settings, specify a maximum size:
 
@@ -208,11 +204,7 @@ The default value is `30s` (thirty seconds).
 
 beta[]
 
-NOTE: The disk queue offers similar functionality to the file spool with a
-streamlined configuration and lower overhead. It is expected to replace the
-file spool in a future release. While the file spool is still included for
-backward compatibility, new configurations should use the disk queue
-when possible.
+NOTE: The file spool queue is a deprecated feature offered as-is for backwards compatibility. The supported way to queue events in persistent storage is the disk queue.
 
 The file spool queue stores all events in an on disk ring buffer. The spool
 has a write buffer, which new events are written to. Events written to the

libbeat/publisher/queue/diskqueue/queue.go

@@ -93,7 +93,7 @@ func init() {
 		feature.MakeDetails(
 			"Disk queue",
 			"Buffer events on disk before sending to the output.",
-			feature.Beta))
+			feature.Stable))
 }
 
 // queueFactory matches the queue.Factory interface, and is used to add the

metricbeat/metricbeat.reference.yml

@@ -1011,8 +1011,8 @@ metricbeat.modules:
 
   # The spool queue will store events in a local spool file, before
   # forwarding the events to the outputs.
-  #
-  # Beta: spooling to disk is currently a beta feature. Use with care.
+  # Note: the spool queue is deprecated and will be removed in the future.
+  # Use the disk queue instead.
   #
   # The spool file is a circular buffer, which blocks once the file/buffer is full.
   # Events are put into a write buffer and flushed once the write buffer

packetbeat/packetbeat.reference.yml

@@ -694,8 +694,8 @@ packetbeat.ignore_outgoing: false
 
   # The spool queue will store events in a local spool file, before
   # forwarding the events to the outputs.
-  #
-  # Beta: spooling to disk is currently a beta feature. Use with care.
+  # Note: the spool queue is deprecated and will be removed in the future.
+  # Use the disk queue instead.
   #
   # The spool file is a circular buffer, which blocks once the file/buffer is full.
   # Events are put into a write buffer and flushed once the write buffer

winlogbeat/winlogbeat.reference.yml

@@ -122,8 +122,8 @@ winlogbeat.event_logs:
 
   # The spool queue will store events in a local spool file, before
   # forwarding the events to the outputs.
-  #
-  # Beta: spooling to disk is currently a beta feature. Use with care.
+  # Note: the spool queue is deprecated and will be removed in the future.
+  # Use the disk queue instead.
   #
   # The spool file is a circular buffer, which blocks once the file/buffer is full.
   # Events are put into a write buffer and flushed once the write buffer

x-pack/auditbeat/auditbeat.reference.yml

@@ -256,8 +256,8 @@ auditbeat.modules:
 
   # The spool queue will store events in a local spool file, before
   # forwarding the events to the outputs.
-  #
-  # Beta: spooling to disk is currently a beta feature. Use with care.
+  # Note: the spool queue is deprecated and will be removed in the future.
+  # Use the disk queue instead.
   #
   # The spool file is a circular buffer, which blocks once the file/buffer is full.
   # Events are put into a write buffer and flushed once the write buffer

x-pack/filebeat/filebeat.reference.yml

@@ -3390,8 +3390,8 @@ filebeat.inputs:
 
   # The spool queue will store events in a local spool file, before
   # forwarding the events to the outputs.
-  #
-  # Beta: spooling to disk is currently a beta feature. Use with care.
+  # Note: the spool queue is deprecated and will be removed in the future.
+  # Use the disk queue instead.
   #
   # The spool file is a circular buffer, which blocks once the file/buffer is full.
   # Events are put into a write buffer and flushed once the write buffer

x-pack/functionbeat/functionbeat.reference.yml

@@ -485,8 +485,8 @@ functionbeat.provider.gcp.functions:
 
   # The spool queue will store events in a local spool file, before
   # forwarding the events to the outputs.
-  #
-  # Beta: spooling to disk is currently a beta feature. Use with care.
+  # Note: the spool queue is deprecated and will be removed in the future.
+  # Use the disk queue instead.
   #
   # The spool file is a circular buffer, which blocks once the file/buffer is full.
   # Events are put into a write buffer and flushed once the write buffer

x-pack/heartbeat/heartbeat.reference.yml

@@ -377,8 +377,8 @@ heartbeat.scheduler:
 
   # The spool queue will store events in a local spool file, before
   # forwarding the events to the outputs.
-  #
-  # Beta: spooling to disk is currently a beta feature. Use with care.
+  # Note: the spool queue is deprecated and will be removed in the future.
+  # Use the disk queue instead.
   #
   # The spool file is a circular buffer, which blocks once the file/buffer is full.
   # Events are put into a write buffer and flushed once the write buffer

x-pack/metricbeat/metricbeat.reference.yml

@@ -1533,8 +1533,8 @@ metricbeat.modules:
 
   # The spool queue will store events in a local spool file, before
   # forwarding the events to the outputs.
-  #
-  # Beta: spooling to disk is currently a beta feature. Use with care.
+  # Note: the spool queue is deprecated and will be removed in the future.
+  # Use the disk queue instead.
   #
   # The spool file is a circular buffer, which blocks once the file/buffer is full.
   # Events are put into a write buffer and flushed once the write buffer

x-pack/osquerybeat/osquerybeat.reference.yml

@@ -98,8 +98,8 @@ seccomp.enabled: false
 
   # The spool queue will store events in a local spool file, before
   # forwarding the events to the outputs.
-  #
-  # Beta: spooling to disk is currently a beta feature. Use with care.
+  # Note: the spool queue is deprecated and will be removed in the future.
+  # Use the disk queue instead.
   #
   # The spool file is a circular buffer, which blocks once the file/buffer is full.
   # Events are put into a write buffer and flushed once the write buffer

x-pack/packetbeat/packetbeat.reference.yml

@@ -694,8 +694,8 @@ packetbeat.ignore_outgoing: false
 
   # The spool queue will store events in a local spool file, before
   # forwarding the events to the outputs.
-  #
-  # Beta: spooling to disk is currently a beta feature. Use with care.
+  # Note: the spool queue is deprecated and will be removed in the future.
+  # Use the disk queue instead.
   #
   # The spool file is a circular buffer, which blocks once the file/buffer is full.
   # Events are put into a write buffer and flushed once the write buffer

x-pack/winlogbeat/winlogbeat.reference.yml

@@ -165,8 +165,8 @@ winlogbeat.event_logs:
 
   # The spool queue will store events in a local spool file, before
   # forwarding the events to the outputs.
-  #
-  # Beta: spooling to disk is currently a beta feature. Use with care.
+  # Note: the spool queue is deprecated and will be removed in the future.
+  # Use the disk queue instead.
   #
   # The spool file is a circular buffer, which blocks once the file/buffer is full.
   # Events are put into a write buffer and flushed once the write buffer