[RONDB-885] Allow setting TotalMemoryConfig (#48)

Author: maismail

Diff for: Chart.yaml

@@ -5,7 +5,7 @@ name: rondb
 
 # This is the chart version. This version number should be incremented each time you make changes
 # to the chart and its templates, including the app version.
-version: 0.6.7
+version: 0.6.8
 
 # This is the version number of the application being deployed. This version number should be
 # incremented each time you make changes to the application.

Diff for: files/configs/config.ini

@@ -69,6 +69,13 @@ AutomaticMemoryConfig=true
 NumCPUs={{ printf "%.0f" (mulf .Values.resources.limits.cpus.ndbmtds 0.9) }}
 {{- end }}
 
+{{- if .Values.rondbConfig.TotalMemoryConfig }}
+{{- /*
+    the automatic memory configuration relay of cgroup v2
+    so if older version of cgroup is used the use has to inform RonDB how much memory to use
+*/}}
+TotalMemoryConfig={{ .Values.rondbConfig.TotalMemoryConfig }}
+{{- else }}
 {{- if le (.Values.resources.limits.memory.ndbmtdsMiB | int) 5000 }}
 {{- /*
     When the container memory is less than 5GiB, the automatic memory configuration
@@ -79,6 +86,7 @@ NumCPUs={{ printf "%.0f" (mulf .Values.resources.limits.cpus.ndbmtds 0.9) }}
 {{- $intermediateResult := mul .Values.resources.limits.memory.ndbmtdsMiB 75 }}
 TotalMemoryConfig={{ div $intermediateResult 100 }}M
 {{- end }}
+{{- end }}
 
 {{ if .Values.rondbConfig.DiskPageBufferMemory -}}
 DiskPageBufferMemory={{ .Values.rondbConfig.DiskPageBufferMemory }}

Diff for: values.schema.json

@@ -1289,6 +1289,14 @@
                     "type": "integer",
                     "description": "One of the primary methods of discovering failed nodes is by the use of heartbeats. This parameter states how often heartbeat signals are sent and how often to expect to receive them. Heartbeats cannot be disabled. After missing four heartbeat intervals in a row, the node is declared dead. Thus, the maximum time for discovering a failure through the heartbeat mechanism is five times the heartbeat interval.",
                     "default": 5000
+                },
+                "TotalMemoryConfig": {
+                    "type": [
+                        "string",
+                        "null"
+                    ],
+                    "description": "The total memory configured by RonDB datanode. By default it is not defined and memory is calculated automatically.",
+                    "default": null
                 }
             },
             "required": [

Diff for: values.yaml

@@ -313,6 +313,7 @@ rondbConfig:
   ReservedConcurrentOperations: null
   SchemaMemory: null
   SharedGlobalMemory: null
+  TotalMemoryConfig: null
   TransactionDeadlockDetectionTimeout: 1500
   TransactionInactiveTimeout: 15000
   TransactionMemory: null