diff --git a/.github/CODEOWNERS b/.github/CODEOWNERS
index 23f8b54880..9b085134ce 100644
--- a/.github/CODEOWNERS
+++ b/.github/CODEOWNERS
@@ -1 +1,2 @@
 *	@atymchuk @BupycHuk
+
diff --git a/api/managementpb/dbaas/dbaas.pb.go b/api/managementpb/dbaas/dbaas.pb.go
index eabcc499c6..cb0925183b 100644
--- a/api/managementpb/dbaas/dbaas.pb.go
+++ b/api/managementpb/dbaas/dbaas.pb.go
@@ -157,12 +157,12 @@ type Resources struct {
 	unknownFields protoimpl.UnknownFields
 
 	// Memory in bytes.
-	MemoryBytes int64 `protobuf:"varint,1,opt,name=memory_bytes,json=memoryBytes,proto3" json:"memory_bytes,omitempty"`
+	MemoryBytes uint64 `protobuf:"varint,1,opt,name=memory_bytes,json=memoryBytes,proto3" json:"memory_bytes,omitempty"`
 	// CPU in millicpus. For example 0.1 of CPU is equivalent to 100 millicpus.
 	// See https://kubernetes.io/docs/concepts/configuration/manage-resources-containers/#meaning-of-cpu.
-	CpuM int64 `protobuf:"varint,2,opt,name=cpu_m,json=cpuM,proto3" json:"cpu_m,omitempty"`
+	CpuM uint64 `protobuf:"varint,2,opt,name=cpu_m,json=cpuM,proto3" json:"cpu_m,omitempty"`
 	// Disk size in bytes.
-	DiskSize int64 `protobuf:"varint,3,opt,name=disk_size,json=diskSize,proto3" json:"disk_size,omitempty"`
+	DiskSize uint64 `protobuf:"varint,3,opt,name=disk_size,json=diskSize,proto3" json:"disk_size,omitempty"`
 }
 
 func (x *Resources) Reset() {
@@ -197,21 +197,21 @@ func (*Resources) Descriptor() ([]byte, []int) {
 	return file_managementpb_dbaas_dbaas_proto_rawDescGZIP(), []int{2}
 }
 
-func (x *Resources) GetMemoryBytes() int64 {
+func (x *Resources) GetMemoryBytes() uint64 {
 	if x != nil {
 		return x.MemoryBytes
 	}
 	return 0
 }
 
-func (x *Resources) GetCpuM() int64 {
+func (x *Resources) GetCpuM() uint64 {
 	if x != nil {
 		return x.CpuM
 	}
 	return 0
 }
 
-func (x *Resources) GetDiskSize() int64 {
+func (x *Resources) GetDiskSize() uint64 {
 	if x != nil {
 		return x.DiskSize
 	}
@@ -238,10 +238,10 @@ var file_managementpb_dbaas_dbaas_proto_rawDesc = []byte{
 	0x20, 0x01, 0x28, 0x03, 0x52, 0x0b, 0x6d, 0x65, 0x6d, 0x6f, 0x72, 0x79, 0x42, 0x79, 0x74, 0x65,
 	0x73, 0x22, 0x60, 0x0a, 0x09, 0x52, 0x65, 0x73, 0x6f, 0x75, 0x72, 0x63, 0x65, 0x73, 0x12, 0x21,
 	0x0a, 0x0c, 0x6d, 0x65, 0x6d, 0x6f, 0x72, 0x79, 0x5f, 0x62, 0x79, 0x74, 0x65, 0x73, 0x18, 0x01,
-	0x20, 0x01, 0x28, 0x03, 0x52, 0x0b, 0x6d, 0x65, 0x6d, 0x6f, 0x72, 0x79, 0x42, 0x79, 0x74, 0x65,
-	0x73, 0x12, 0x13, 0x0a, 0x05, 0x63, 0x70, 0x75, 0x5f, 0x6d, 0x18, 0x02, 0x20, 0x01, 0x28, 0x03,
+	0x20, 0x01, 0x28, 0x04, 0x52, 0x0b, 0x6d, 0x65, 0x6d, 0x6f, 0x72, 0x79, 0x42, 0x79, 0x74, 0x65,
+	0x73, 0x12, 0x13, 0x0a, 0x05, 0x63, 0x70, 0x75, 0x5f, 0x6d, 0x18, 0x02, 0x20, 0x01, 0x28, 0x04,
 	0x52, 0x04, 0x63, 0x70, 0x75, 0x4d, 0x12, 0x1b, 0x0a, 0x09, 0x64, 0x69, 0x73, 0x6b, 0x5f, 0x73,
-	0x69, 0x7a, 0x65, 0x18, 0x03, 0x20, 0x01, 0x28, 0x03, 0x52, 0x08, 0x64, 0x69, 0x73, 0x6b, 0x53,
+	0x69, 0x7a, 0x65, 0x18, 0x03, 0x20, 0x01, 0x28, 0x04, 0x52, 0x08, 0x64, 0x69, 0x73, 0x6b, 0x53,
 	0x69, 0x7a, 0x65, 0x42, 0x25, 0x5a, 0x23, 0x61, 0x70, 0x69, 0x2f, 0x6d, 0x61, 0x6e, 0x61, 0x67,
 	0x65, 0x6d, 0x65, 0x6e, 0x74, 0x70, 0x62, 0x2f, 0x64, 0x62, 0x61, 0x61, 0x73, 0x3b, 0x64, 0x62,
 	0x61, 0x61, 0x73, 0x76, 0x31, 0x62, 0x65, 0x74, 0x61, 0x31, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74,
diff --git a/api/managementpb/dbaas/dbaas.proto b/api/managementpb/dbaas/dbaas.proto
index a9d107990a..a00165c0e1 100644
--- a/api/managementpb/dbaas/dbaas.proto
+++ b/api/managementpb/dbaas/dbaas.proto
@@ -27,10 +27,10 @@ message ComputeResources {
 // Resources contains Kubernetes cluster resources.
 message Resources {
   // Memory in bytes.
-  int64 memory_bytes = 1;
+  uint64 memory_bytes = 1;
   // CPU in millicpus. For example 0.1 of CPU is equivalent to 100 millicpus.
   // See https://kubernetes.io/docs/concepts/configuration/manage-resources-containers/#meaning-of-cpu.
-  int64 cpu_m = 2;
+  uint64 cpu_m = 2;
   // Disk size in bytes.
-  int64 disk_size = 3;
+  uint64 disk_size = 3;
 }
diff --git a/api/managementpb/dbaas/json/dbaas.json b/api/managementpb/dbaas/json/dbaas.json
index a881aa4378..2d09bc2442 100644
--- a/api/managementpb/dbaas/json/dbaas.json
+++ b/api/managementpb/dbaas/json/dbaas.json
@@ -1163,19 +1163,19 @@
                     "cpu_m": {
                       "description": "CPU in millicpus. For example 0.1 of CPU is equivalent to 100 millicpus.\nSee https://kubernetes.io/docs/concepts/configuration/manage-resources-containers/#meaning-of-cpu.",
                       "type": "string",
-                      "format": "int64",
+                      "format": "uint64",
                       "x-order": 1
                     },
                     "disk_size": {
                       "description": "Disk size in bytes.",
                       "type": "string",
-                      "format": "int64",
+                      "format": "uint64",
                       "x-order": 2
                     },
                     "memory_bytes": {
                       "description": "Memory in bytes.",
                       "type": "string",
-                      "format": "int64",
+                      "format": "uint64",
                       "x-order": 0
                     }
                   },
@@ -1188,19 +1188,19 @@
                     "cpu_m": {
                       "description": "CPU in millicpus. For example 0.1 of CPU is equivalent to 100 millicpus.\nSee https://kubernetes.io/docs/concepts/configuration/manage-resources-containers/#meaning-of-cpu.",
                       "type": "string",
-                      "format": "int64",
+                      "format": "uint64",
                       "x-order": 1
                     },
                     "disk_size": {
                       "description": "Disk size in bytes.",
                       "type": "string",
-                      "format": "int64",
+                      "format": "uint64",
                       "x-order": 2
                     },
                     "memory_bytes": {
                       "description": "Memory in bytes.",
                       "type": "string",
-                      "format": "int64",
+                      "format": "uint64",
                       "x-order": 0
                     }
                   },
@@ -1617,19 +1617,19 @@
                     "cpu_m": {
                       "description": "CPU in millicpus. For example 0.1 of CPU is equivalent to 100 millicpus.\nSee https://kubernetes.io/docs/concepts/configuration/manage-resources-containers/#meaning-of-cpu.",
                       "type": "string",
-                      "format": "int64",
+                      "format": "uint64",
                       "x-order": 1
                     },
                     "disk_size": {
                       "description": "Disk size in bytes.",
                       "type": "string",
-                      "format": "int64",
+                      "format": "uint64",
                       "x-order": 2
                     },
                     "memory_bytes": {
                       "description": "Memory in bytes.",
                       "type": "string",
-                      "format": "int64",
+                      "format": "uint64",
                       "x-order": 0
                     }
                   },
@@ -2539,19 +2539,19 @@
                     "cpu_m": {
                       "description": "CPU in millicpus. For example 0.1 of CPU is equivalent to 100 millicpus.\nSee https://kubernetes.io/docs/concepts/configuration/manage-resources-containers/#meaning-of-cpu.",
                       "type": "string",
-                      "format": "int64",
+                      "format": "uint64",
                       "x-order": 1
                     },
                     "disk_size": {
                       "description": "Disk size in bytes.",
                       "type": "string",
-                      "format": "int64",
+                      "format": "uint64",
                       "x-order": 2
                     },
                     "memory_bytes": {
                       "description": "Memory in bytes.",
                       "type": "string",
-                      "format": "int64",
+                      "format": "uint64",
                       "x-order": 0
                     }
                   },
diff --git a/api/swagger/swagger-dev.json b/api/swagger/swagger-dev.json
index 22e02b855f..1ab0324d6b 100644
--- a/api/swagger/swagger-dev.json
+++ b/api/swagger/swagger-dev.json
@@ -15866,19 +15866,19 @@
                     "memory_bytes": {
                       "description": "Memory in bytes.",
                       "type": "string",
-                      "format": "int64",
+                      "format": "uint64",
                       "x-order": 0
                     },
                     "cpu_m": {
                       "description": "CPU in millicpus. For example 0.1 of CPU is equivalent to 100 millicpus.\nSee https://kubernetes.io/docs/concepts/configuration/manage-resources-containers/#meaning-of-cpu.",
                       "type": "string",
-                      "format": "int64",
+                      "format": "uint64",
                       "x-order": 1
                     },
                     "disk_size": {
                       "description": "Disk size in bytes.",
                       "type": "string",
-                      "format": "int64",
+                      "format": "uint64",
                       "x-order": 2
                     }
                   },
@@ -15891,19 +15891,19 @@
                     "memory_bytes": {
                       "description": "Memory in bytes.",
                       "type": "string",
-                      "format": "int64",
+                      "format": "uint64",
                       "x-order": 0
                     },
                     "cpu_m": {
                       "description": "CPU in millicpus. For example 0.1 of CPU is equivalent to 100 millicpus.\nSee https://kubernetes.io/docs/concepts/configuration/manage-resources-containers/#meaning-of-cpu.",
                       "type": "string",
-                      "format": "int64",
+                      "format": "uint64",
                       "x-order": 1
                     },
                     "disk_size": {
                       "description": "Disk size in bytes.",
                       "type": "string",
-                      "format": "int64",
+                      "format": "uint64",
                       "x-order": 2
                     }
                   },
@@ -16320,19 +16320,19 @@
                     "memory_bytes": {
                       "description": "Memory in bytes.",
                       "type": "string",
-                      "format": "int64",
+                      "format": "uint64",
                       "x-order": 0
                     },
                     "cpu_m": {
                       "description": "CPU in millicpus. For example 0.1 of CPU is equivalent to 100 millicpus.\nSee https://kubernetes.io/docs/concepts/configuration/manage-resources-containers/#meaning-of-cpu.",
                       "type": "string",
-                      "format": "int64",
+                      "format": "uint64",
                       "x-order": 1
                     },
                     "disk_size": {
                       "description": "Disk size in bytes.",
                       "type": "string",
-                      "format": "int64",
+                      "format": "uint64",
                       "x-order": 2
                     }
                   },
@@ -17242,19 +17242,19 @@
                     "memory_bytes": {
                       "description": "Memory in bytes.",
                       "type": "string",
-                      "format": "int64",
+                      "format": "uint64",
                       "x-order": 0
                     },
                     "cpu_m": {
                       "description": "CPU in millicpus. For example 0.1 of CPU is equivalent to 100 millicpus.\nSee https://kubernetes.io/docs/concepts/configuration/manage-resources-containers/#meaning-of-cpu.",
                       "type": "string",
-                      "format": "int64",
+                      "format": "uint64",
                       "x-order": 1
                     },
                     "disk_size": {
                       "description": "Disk size in bytes.",
                       "type": "string",
-                      "format": "int64",
+                      "format": "uint64",
                       "x-order": 2
                     }
                   },