Enable aio-max-nr as default

charts/redpanda/Chart.yaml

@@ -23,7 +23,7 @@ type: application
 # The chart version and the app version are not the same and will not track
 # together. The chart version is a semver representation of changes to this
 # chart.
-version: 2.10.7
+version: 2.10.8
 
 # The app version is the default version of Redpanda to install.
 appVersion: v22.3.13

charts/redpanda/templates/statefulset.yaml

@@ -53,6 +53,25 @@ spec:
       securityContext: {{ include "pod-security-context" . | nindent 8 }}
       serviceAccountName: {{ include "redpanda.serviceAccountName" . }}
       initContainers:
+{{- if and (hasKey $values.tuning "tune_aio_events") $values.tuning.tune_aio_events }}
+        - name: tuning
+          image: {{ .Values.image.repository}}:{{ template "redpanda.tag" . }}
+          command:
+            - bash
+            - -c
+          args:
+            - |
+              rpk redpanda tune all
+          securityContext:
+            capabilities:
+              add: ["CAP_SYS_RESOURCE"]
+            privileged: true
+            runAsUser: 0
+            runAsGroup: 0
+          volumeMounts:
+            - name: {{ template "redpanda.fullname" . }}
+              mountPath: /etc/redpanda
+{{- end }}
 {{- if not .Values.statefulset.skipChown }}
         - name: set-datadir-ownership
           image: {{ .Values.statefulset.initContainerImage.repository }}:{{ .Values.statefulset.initContainerImage.tag }}

charts/redpanda/values.yaml

@@ -549,13 +549,18 @@ rbac:
   # annotations to add to the rbac resources
   annotations: {}
 
-tuning: {}
+tuning:
   # This section contains Redpanda tuning parameters.
   # Each parameter below is set to their default values.
   # Remove the curly brackets above if you uncomment any parameters below.
   #
-  # Increases the number of allowed asynchronous IO events.
-  # tune_aio_events: false
+  # Increases the maximum number of outstanding asynchronous IO operations if the
+  # current value is below a certain threshold. This allows redpanda to make as many
+  # simultaneous IO requests as possible, increasing throughput.
+  #
+  # Enabling this option will create a privileged container. If your security profile does not allow this,
+  # see https://docs.redpanda.com/docs/deploy/deployment-option/self-hosted/kubernetes/kubernetes-tune-workers/ for tuning requirements.
+  tune_aio_events: true
   #
   # Syncs NTP
   # tune_clocksource: false